/* Generated by Cython 0.29.22 */

#define PY_SSIZE_T_CLEAN
#include "Python.h"
#ifndef Py_PYTHON_H
    #error Python headers needed to compile C extensions, please install development version of Python.
#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
    #error Cython requires Python 2.6+ or Python 3.3+.
#else
#define CYTHON_ABI "0_29_22"
#define CYTHON_HEX_VERSION 0x001D16F0
#define CYTHON_FUTURE_DIVISION 1
#include <stddef.h>
#ifndef offsetof
  #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
#endif
#if !defined(WIN32) && !defined(MS_WINDOWS)
  #ifndef __stdcall
    #define __stdcall
  #endif
  #ifndef __cdecl
    #define __cdecl
  #endif
  #ifndef __fastcall
    #define __fastcall
  #endif
#endif
#ifndef DL_IMPORT
  #define DL_IMPORT(t) t
#endif
#ifndef DL_EXPORT
  #define DL_EXPORT(t) t
#endif
#define __PYX_COMMA ,
#ifndef HAVE_LONG_LONG
  #if PY_VERSION_HEX >= 0x02070000
    #define HAVE_LONG_LONG
  #endif
#endif
#ifndef PY_LONG_LONG
  #define PY_LONG_LONG LONG_LONG
#endif
#ifndef Py_HUGE_VAL
  #define Py_HUGE_VAL HUGE_VAL
#endif
#ifdef PYPY_VERSION
  #define CYTHON_COMPILING_IN_PYPY 1
  #define CYTHON_COMPILING_IN_PYSTON 0
  #define CYTHON_COMPILING_IN_CPYTHON 0
  #undef CYTHON_USE_TYPE_SLOTS
  #define CYTHON_USE_TYPE_SLOTS 0
  #undef CYTHON_USE_PYTYPE_LOOKUP
  #define CYTHON_USE_PYTYPE_LOOKUP 0
  #if PY_VERSION_HEX < 0x03050000
    #undef CYTHON_USE_ASYNC_SLOTS
    #define CYTHON_USE_ASYNC_SLOTS 0
  #elif !defined(CYTHON_USE_ASYNC_SLOTS)
    #define CYTHON_USE_ASYNC_SLOTS 1
  #endif
  #undef CYTHON_USE_PYLIST_INTERNALS
  #define CYTHON_USE_PYLIST_INTERNALS 0
  #undef CYTHON_USE_UNICODE_INTERNALS
  #define CYTHON_USE_UNICODE_INTERNALS 0
  #undef CYTHON_USE_UNICODE_WRITER
  #define CYTHON_USE_UNICODE_WRITER 0
  #undef CYTHON_USE_PYLONG_INTERNALS
  #define CYTHON_USE_PYLONG_INTERNALS 0
  #undef CYTHON_AVOID_BORROWED_REFS
  #define CYTHON_AVOID_BORROWED_REFS 1
  #undef CYTHON_ASSUME_SAFE_MACROS
  #define CYTHON_ASSUME_SAFE_MACROS 0
  #undef CYTHON_UNPACK_METHODS
  #define CYTHON_UNPACK_METHODS 0
  #undef CYTHON_FAST_THREAD_STATE
  #define CYTHON_FAST_THREAD_STATE 0
  #undef CYTHON_FAST_PYCALL
  #define CYTHON_FAST_PYCALL 0
  #undef CYTHON_PEP489_MULTI_PHASE_INIT
  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
  #undef CYTHON_USE_TP_FINALIZE
  #define CYTHON_USE_TP_FINALIZE 0
  #undef CYTHON_USE_DICT_VERSIONS
  #define CYTHON_USE_DICT_VERSIONS 0
  #undef CYTHON_USE_EXC_INFO_STACK
  #define CYTHON_USE_EXC_INFO_STACK 0
#elif defined(PYSTON_VERSION)
  #define CYTHON_COMPILING_IN_PYPY 0
  #define CYTHON_COMPILING_IN_PYSTON 1
  #define CYTHON_COMPILING_IN_CPYTHON 0
  #ifndef CYTHON_USE_TYPE_SLOTS
    #define CYTHON_USE_TYPE_SLOTS 1
  #endif
  #undef CYTHON_USE_PYTYPE_LOOKUP
  #define CYTHON_USE_PYTYPE_LOOKUP 0
  #undef CYTHON_USE_ASYNC_SLOTS
  #define CYTHON_USE_ASYNC_SLOTS 0
  #undef CYTHON_USE_PYLIST_INTERNALS
  #define CYTHON_USE_PYLIST_INTERNALS 0
  #ifndef CYTHON_USE_UNICODE_INTERNALS
    #define CYTHON_USE_UNICODE_INTERNALS 1
  #endif
  #undef CYTHON_USE_UNICODE_WRITER
  #define CYTHON_USE_UNICODE_WRITER 0
  #undef CYTHON_USE_PYLONG_INTERNALS
  #define CYTHON_USE_PYLONG_INTERNALS 0
  #ifndef CYTHON_AVOID_BORROWED_REFS
    #define CYTHON_AVOID_BORROWED_REFS 0
  #endif
  #ifndef CYTHON_ASSUME_SAFE_MACROS
    #define CYTHON_ASSUME_SAFE_MACROS 1
  #endif
  #ifndef CYTHON_UNPACK_METHODS
    #define CYTHON_UNPACK_METHODS 1
  #endif
  #undef CYTHON_FAST_THREAD_STATE
  #define CYTHON_FAST_THREAD_STATE 0
  #undef CYTHON_FAST_PYCALL
  #define CYTHON_FAST_PYCALL 0
  #undef CYTHON_PEP489_MULTI_PHASE_INIT
  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
  #undef CYTHON_USE_TP_FINALIZE
  #define CYTHON_USE_TP_FINALIZE 0
  #undef CYTHON_USE_DICT_VERSIONS
  #define CYTHON_USE_DICT_VERSIONS 0
  #undef CYTHON_USE_EXC_INFO_STACK
  #define CYTHON_USE_EXC_INFO_STACK 0
#else
  #define CYTHON_COMPILING_IN_PYPY 0
  #define CYTHON_COMPILING_IN_PYSTON 0
  #define CYTHON_COMPILING_IN_CPYTHON 1
  #ifndef CYTHON_USE_TYPE_SLOTS
    #define CYTHON_USE_TYPE_SLOTS 1
  #endif
  #if PY_VERSION_HEX < 0x02070000
    #undef CYTHON_USE_PYTYPE_LOOKUP
    #define CYTHON_USE_PYTYPE_LOOKUP 0
  #elif !defined(CYTHON_USE_PYTYPE_LOOKUP)
    #define CYTHON_USE_PYTYPE_LOOKUP 1
  #endif
  #if PY_MAJOR_VERSION < 3
    #undef CYTHON_USE_ASYNC_SLOTS
    #define CYTHON_USE_ASYNC_SLOTS 0
  #elif !defined(CYTHON_USE_ASYNC_SLOTS)
    #define CYTHON_USE_ASYNC_SLOTS 1
  #endif
  #if PY_VERSION_HEX < 0x02070000
    #undef CYTHON_USE_PYLONG_INTERNALS
    #define CYTHON_USE_PYLONG_INTERNALS 0
  #elif !defined(CYTHON_USE_PYLONG_INTERNALS)
    #define CYTHON_USE_PYLONG_INTERNALS 1
  #endif
  #ifndef CYTHON_USE_PYLIST_INTERNALS
    #define CYTHON_USE_PYLIST_INTERNALS 1
  #endif
  #ifndef CYTHON_USE_UNICODE_INTERNALS
    #define CYTHON_USE_UNICODE_INTERNALS 1
  #endif
  #if PY_VERSION_HEX < 0x030300F0
    #undef CYTHON_USE_UNICODE_WRITER
    #define CYTHON_USE_UNICODE_WRITER 0
  #elif !defined(CYTHON_USE_UNICODE_WRITER)
    #define CYTHON_USE_UNICODE_WRITER 1
  #endif
  #ifndef CYTHON_AVOID_BORROWED_REFS
    #define CYTHON_AVOID_BORROWED_REFS 0
  #endif
  #ifndef CYTHON_ASSUME_SAFE_MACROS
    #define CYTHON_ASSUME_SAFE_MACROS 1
  #endif
  #ifndef CYTHON_UNPACK_METHODS
    #define CYTHON_UNPACK_METHODS 1
  #endif
  #ifndef CYTHON_FAST_THREAD_STATE
    #define CYTHON_FAST_THREAD_STATE 1
  #endif
  #ifndef CYTHON_FAST_PYCALL
    #define CYTHON_FAST_PYCALL 1
  #endif
  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
    #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000)
  #endif
  #ifndef CYTHON_USE_TP_FINALIZE
    #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1)
  #endif
  #ifndef CYTHON_USE_DICT_VERSIONS
    #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1)
  #endif
  #ifndef CYTHON_USE_EXC_INFO_STACK
    #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3)
  #endif
#endif
#if !defined(CYTHON_FAST_PYCCALL)
#define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
#endif
#if CYTHON_USE_PYLONG_INTERNALS
  #include "longintrepr.h"
  #undef SHIFT
  #undef BASE
  #undef MASK
  #ifdef SIZEOF_VOID_P
    enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) };
  #endif
#endif
#ifndef __has_attribute
  #define __has_attribute(x) 0
#endif
#ifndef __has_cpp_attribute
  #define __has_cpp_attribute(x) 0
#endif
#ifndef CYTHON_RESTRICT
  #if defined(__GNUC__)
    #define CYTHON_RESTRICT __restrict__
  #elif defined(_MSC_VER) && _MSC_VER >= 1400
    #define CYTHON_RESTRICT __restrict
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define CYTHON_RESTRICT restrict
  #else
    #define CYTHON_RESTRICT
  #endif
#endif
#ifndef CYTHON_UNUSED
# if defined(__GNUC__)
#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
#     define CYTHON_UNUSED __attribute__ ((__unused__))
#   else
#     define CYTHON_UNUSED
#   endif
# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
#   define CYTHON_UNUSED __attribute__ ((__unused__))
# else
#   define CYTHON_UNUSED
# endif
#endif
#ifndef CYTHON_MAYBE_UNUSED_VAR
#  if defined(__cplusplus)
     template<class T> void CYTHON_MAYBE_UNUSED_VAR( const T& ) { }
#  else
#    define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x)
#  endif
#endif
#ifndef CYTHON_NCP_UNUSED
# if CYTHON_COMPILING_IN_CPYTHON
#  define CYTHON_NCP_UNUSED
# else
#  define CYTHON_NCP_UNUSED CYTHON_UNUSED
# endif
#endif
#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)
#ifdef _MSC_VER
    #ifndef _MSC_STDINT_H_
        #if _MSC_VER < 1300
           typedef unsigned char     uint8_t;
           typedef unsigned int      uint32_t;
        #else
           typedef unsigned __int8   uint8_t;
           typedef unsigned __int32  uint32_t;
        #endif
    #endif
#else
   #include <stdint.h>
#endif
#ifndef CYTHON_FALLTHROUGH
  #if defined(__cplusplus) && __cplusplus >= 201103L
    #if __has_cpp_attribute(fallthrough)
      #define CYTHON_FALLTHROUGH [[fallthrough]]
    #elif __has_cpp_attribute(clang::fallthrough)
      #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
    #elif __has_cpp_attribute(gnu::fallthrough)
      #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
    #endif
  #endif
  #ifndef CYTHON_FALLTHROUGH
    #if __has_attribute(fallthrough)
      #define CYTHON_FALLTHROUGH __attribute__((fallthrough))
    #else
      #define CYTHON_FALLTHROUGH
    #endif
  #endif
  #if defined(__clang__ ) && defined(__apple_build_version__)
    #if __apple_build_version__ < 7000000
      #undef  CYTHON_FALLTHROUGH
      #define CYTHON_FALLTHROUGH
    #endif
  #endif
#endif

#ifndef CYTHON_INLINE
  #if defined(__clang__)
    #define CYTHON_INLINE __inline__ __attribute__ ((__unused__))
  #elif defined(__GNUC__)
    #define CYTHON_INLINE __inline__
  #elif defined(_MSC_VER)
    #define CYTHON_INLINE __inline
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define CYTHON_INLINE inline
  #else
    #define CYTHON_INLINE
  #endif
#endif

#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
  #define Py_OptimizeFlag 0
#endif
#define __PYX_BUILD_PY_SSIZE_T "n"
#define CYTHON_FORMAT_SSIZE_T "z"
#if PY_MAJOR_VERSION < 3
  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
  #define __Pyx_DefaultClassType PyClass_Type
#else
  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
          PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
#else
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
#endif
  #define __Pyx_DefaultClassType PyType_Type
#endif
#ifndef Py_TPFLAGS_CHECKTYPES
  #define Py_TPFLAGS_CHECKTYPES 0
#endif
#ifndef Py_TPFLAGS_HAVE_INDEX
  #define Py_TPFLAGS_HAVE_INDEX 0
#endif
#ifndef Py_TPFLAGS_HAVE_NEWBUFFER
  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
#endif
#ifndef Py_TPFLAGS_HAVE_FINALIZE
  #define Py_TPFLAGS_HAVE_FINALIZE 0
#endif
#ifndef METH_STACKLESS
  #define METH_STACKLESS 0
#endif
#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL)
  #ifndef METH_FASTCALL
     #define METH_FASTCALL 0x80
  #endif
  typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs);
  typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args,
                                                          Py_ssize_t nargs, PyObject *kwnames);
#else
  #define __Pyx_PyCFunctionFast _PyCFunctionFast
  #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
#endif
#if CYTHON_FAST_PYCCALL
#define __Pyx_PyFastCFunction_Check(func)\
    ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)))))
#else
#define __Pyx_PyFastCFunction_Check(func) 0
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
  #define PyObject_Malloc(s)   PyMem_Malloc(s)
  #define PyObject_Free(p)     PyMem_Free(p)
  #define PyObject_Realloc(p)  PyMem_Realloc(p)
#endif
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1
  #define PyMem_RawMalloc(n)           PyMem_Malloc(n)
  #define PyMem_RawRealloc(p, n)       PyMem_Realloc(p, n)
  #define PyMem_RawFree(p)             PyMem_Free(p)
#endif
#if CYTHON_COMPILING_IN_PYSTON
  #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
#else
  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
#endif
#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000
  #define __Pyx_PyThreadState_Current PyThreadState_GET()
#elif PY_VERSION_HEX >= 0x03060000
  #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet()
#elif PY_VERSION_HEX >= 0x03000000
  #define __Pyx_PyThreadState_Current PyThreadState_GET()
#else
  #define __Pyx_PyThreadState_Current _PyThreadState_Current
#endif
#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT)
#include "pythread.h"
#define Py_tss_NEEDS_INIT 0
typedef int Py_tss_t;
static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) {
  *key = PyThread_create_key();
  return 0;
}
static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) {
  Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t));
  *key = Py_tss_NEEDS_INIT;
  return key;
}
static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) {
  PyObject_Free(key);
}
static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) {
  return *key != Py_tss_NEEDS_INIT;
}
static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) {
  PyThread_delete_key(*key);
  *key = Py_tss_NEEDS_INIT;
}
static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) {
  return PyThread_set_key_value(*key, value);
}
static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
  return PyThread_get_key_value(*key);
}
#endif
#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized)
#define __Pyx_PyDict_NewPresized(n)  ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n))
#else
#define __Pyx_PyDict_NewPresized(n)  PyDict_New()
#endif
#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION
  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
#else
  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
#endif
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS
#define __Pyx_PyDict_GetItemStr(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
#else
#define __Pyx_PyDict_GetItemStr(dict, name)  PyDict_GetItem(dict, name)
#endif
#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
  #define CYTHON_PEP393_ENABLED 1
  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
                                              0 : _PyUnicode_Ready((PyObject *)(op)))
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
  #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE)
  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
  #else
  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
  #endif
#else
  #define CYTHON_PEP393_ENABLED 0
  #define PyUnicode_1BYTE_KIND  1
  #define PyUnicode_2BYTE_KIND  2
  #define PyUnicode_4BYTE_KIND  4
  #define __Pyx_PyUnicode_READY(op)       (0)
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111)
  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = ch)
  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
#endif
#if CYTHON_COMPILING_IN_PYPY
  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
#else
  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
  #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check)
  #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format)
  #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
#endif
#define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
#else
  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
#endif
#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII)
  #define PyObject_ASCII(o)            PyObject_Repr(o)
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyBaseString_Type            PyUnicode_Type
  #define PyStringObject               PyUnicodeObject
  #define PyString_Type                PyUnicode_Type
  #define PyString_Check               PyUnicode_Check
  #define PyString_CheckExact          PyUnicode_CheckExact
#ifndef PyObject_Unicode
  #define PyObject_Unicode             PyObject_Str
#endif
#endif
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
#else
  #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
#endif
#ifndef PySet_CheckExact
  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
#endif
#if PY_VERSION_HEX >= 0x030900A4
  #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt)
  #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size)
#else
  #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt)
  #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size)
#endif
#if CYTHON_ASSUME_SAFE_MACROS
  #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
#else
  #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyIntObject                  PyLongObject
  #define PyInt_Type                   PyLong_Type
  #define PyInt_Check(op)              PyLong_Check(op)
  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
  #define PyInt_FromString             PyLong_FromString
  #define PyInt_FromUnicode            PyLong_FromUnicode
  #define PyInt_FromLong               PyLong_FromLong
  #define PyInt_FromSize_t             PyLong_FromSize_t
  #define PyInt_FromSsize_t            PyLong_FromSsize_t
  #define PyInt_AsLong                 PyLong_AsLong
  #define PyInt_AS_LONG                PyLong_AS_LONG
  #define PyInt_AsSsize_t              PyLong_AsSsize_t
  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
  #define PyNumber_Int                 PyNumber_Long
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyBoolObject                 PyLongObject
#endif
#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY
  #ifndef PyUnicode_InternFromString
    #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
  #endif
#endif
#if PY_VERSION_HEX < 0x030200A4
  typedef long Py_hash_t;
  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
#else
  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
#endif
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func))
#else
  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
#endif
#if CYTHON_USE_ASYNC_SLOTS
  #if PY_VERSION_HEX >= 0x030500B1
    #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
    #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
  #else
    #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
  #endif
#else
  #define __Pyx_PyType_AsAsync(obj) NULL
#endif
#ifndef __Pyx_PyAsyncMethodsStruct
    typedef struct {
        unaryfunc am_await;
        unaryfunc am_aiter;
        unaryfunc am_anext;
    } __Pyx_PyAsyncMethodsStruct;
#endif

#if defined(WIN32) || defined(MS_WINDOWS)
  #define _USE_MATH_DEFINES
#endif
#include <math.h>
#ifdef NAN
#define __PYX_NAN() ((float) NAN)
#else
static CYTHON_INLINE float __PYX_NAN() {
  float value;
  memset(&value, 0xFF, sizeof(value));
  return value;
}
#endif
#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL)
#define __Pyx_truncl trunc
#else
#define __Pyx_truncl truncl
#endif

#define __PYX_MARK_ERR_POS(f_index, lineno) \
    { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; }
#define __PYX_ERR(f_index, lineno, Ln_error) \
    { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; }

#ifndef __PYX_EXTERN_C
  #ifdef __cplusplus
    #define __PYX_EXTERN_C extern "C"
  #else
    #define __PYX_EXTERN_C extern
  #endif
#endif

#define __PYX_HAVE__mathics__core__pattern
#define __PYX_HAVE_API__mathics__core__pattern
/* Early includes */
#ifdef _OPENMP
#include <omp.h>
#endif /* _OPENMP */

#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS)
#define CYTHON_WITHOUT_ASSERTIONS
#endif

typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding;
                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;

#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0
#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8)
#define __PYX_DEFAULT_STRING_ENCODING ""
#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#define __Pyx_uchar_cast(c) ((unsigned char)c)
#define __Pyx_long_cast(x) ((long)x)
#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (\
    (sizeof(type) < sizeof(Py_ssize_t))  ||\
    (sizeof(type) > sizeof(Py_ssize_t) &&\
          likely(v < (type)PY_SSIZE_T_MAX ||\
                 v == (type)PY_SSIZE_T_MAX)  &&\
          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\
                                v == (type)PY_SSIZE_T_MIN)))  ||\
    (sizeof(type) == sizeof(Py_ssize_t) &&\
          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\
                               v == (type)PY_SSIZE_T_MAX)))  )
static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) {
    return (size_t) i < (size_t) limit;
}
#if defined (__cplusplus) && __cplusplus >= 201103L
    #include <cstdlib>
    #define __Pyx_sst_abs(value) std::abs(value)
#elif SIZEOF_INT >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) abs(value)
#elif SIZEOF_LONG >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) labs(value)
#elif defined (_MSC_VER)
    #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value))
#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define __Pyx_sst_abs(value) llabs(value)
#elif defined (__GNUC__)
    #define __Pyx_sst_abs(value) __builtin_llabs(value)
#else
    #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
#endif
static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*);
static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
#define __Pyx_PyBytes_FromString        PyBytes_FromString
#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
#if PY_MAJOR_VERSION < 3
    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#else
    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
#endif
#define __Pyx_PyBytes_AsWritableString(s)     ((char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsWritableSString(s)    ((signed char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsWritableUString(s)    ((unsigned char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AS_STRING(s))
#define __Pyx_PyObject_AsWritableString(s)    ((char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsSString(s)    ((const signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsUString(s)    ((const unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
#define __Pyx_PyBytes_FromCString(s)   __Pyx_PyBytes_FromString((const char*)s)
#define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
#define __Pyx_PyStr_FromCString(s)     __Pyx_PyStr_FromString((const char*)s)
#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) {
    const Py_UNICODE *u_end = u;
    while (*u_end++) ;
    return (size_t)(u_end - u - 1);
}
#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b);
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*);
static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
#define __Pyx_PySequence_Tuple(obj)\
    (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj))
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
#if CYTHON_ASSUME_SAFE_MACROS
#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
#else
#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
#endif
#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
#if PY_MAJOR_VERSION >= 3
#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x))
#else
#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x))
#endif
#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x))
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
static int __Pyx_sys_getdefaultencoding_not_ascii;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    PyObject* ascii_chars_u = NULL;
    PyObject* ascii_chars_b = NULL;
    const char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    if (strcmp(default_encoding_c, "ascii") == 0) {
        __Pyx_sys_getdefaultencoding_not_ascii = 0;
    } else {
        char ascii_chars[128];
        int c;
        for (c = 0; c < 128; c++) {
            ascii_chars[c] = c;
        }
        __Pyx_sys_getdefaultencoding_not_ascii = 1;
        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
        if (!ascii_chars_u) goto bad;
        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
        if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
            PyErr_Format(
                PyExc_ValueError,
                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
                default_encoding_c);
            goto bad;
        }
        Py_DECREF(ascii_chars_u);
        Py_DECREF(ascii_chars_b);
    }
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    Py_XDECREF(ascii_chars_u);
    Py_XDECREF(ascii_chars_b);
    return -1;
}
#endif
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
#else
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
static char* __PYX_DEFAULT_STRING_ENCODING;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1);
    if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    return -1;
}
#endif
#endif


/* Test for GCC > 2.95 */
#if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
  #define likely(x)   __builtin_expect(!!(x), 1)
  #define unlikely(x) __builtin_expect(!!(x), 0)
#else /* !__GNUC__ or GCC < 2.95 */
  #define likely(x)   (x)
  #define unlikely(x) (x)
#endif /* __GNUC__ */
static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; }

static PyObject *__pyx_m = NULL;
static PyObject *__pyx_d;
static PyObject *__pyx_b;
static PyObject *__pyx_cython_runtime = NULL;
static PyObject *__pyx_empty_tuple;
static PyObject *__pyx_empty_bytes;
static PyObject *__pyx_empty_unicode;
static int __pyx_lineno;
static int __pyx_clineno = 0;
static const char * __pyx_cfilenm= __FILE__;
static const char *__pyx_filename;


static const char *__pyx_f[] = {
  "mathics/core/pattern.py",
};

/*--- Type declarations ---*/
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match;
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices;
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name;
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr;
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr;
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf;
struct __pyx_defaults;
typedef struct __pyx_defaults __pyx_defaults;
struct __pyx_defaults1;
typedef struct __pyx_defaults1 __pyx_defaults1;
struct __pyx_defaults2;
typedef struct __pyx_defaults2 __pyx_defaults2;
struct __pyx_defaults3;
typedef struct __pyx_defaults3 __pyx_defaults3;
struct __pyx_defaults4;
typedef struct __pyx_defaults4 __pyx_defaults4;
struct __pyx_defaults5;
typedef struct __pyx_defaults5 __pyx_defaults5;
struct __pyx_defaults6;
typedef struct __pyx_defaults6 __pyx_defaults6;
struct __pyx_defaults {
  PyObject *__pyx_arg_vars;
};
struct __pyx_defaults1 {
  PyObject *__pyx_arg_vars;
};
struct __pyx_defaults2 {
  PyObject *__pyx_arg_vars;
};
struct __pyx_defaults3 {
  PyObject *__pyx_arg_vars;
};
struct __pyx_defaults4 {
  PyObject *__pyx_arg_vars;
};
struct __pyx_defaults5 {
  PyObject *__pyx_arg_vars;
};
struct __pyx_defaults6 {
  PyObject *__pyx_arg_vars;
};

/* "mathics/core/pattern.py":176
 *     # match = pattern_nocython.match
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match {
  PyObject_HEAD
  PyObject *__pyx_v_attributes;
  PyObject *__pyx_v_evaluation;
  PyObject *__pyx_v_expression;
  PyObject *__pyx_v_fully;
  PyObject *__pyx_v_self;
  PyObject *__pyx_v_yield_choice;
  PyObject *__pyx_v_yield_func;
};


/* "mathics/core/pattern.py":335
 *             )
 * 
 *     def get_pre_choices(self, yield_func, expression, attributes, vars):             # <<<<<<<<<<<<<<
 *         if "System`Orderless" in attributes:
 *             self.sort()
 */
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices {
  PyObject_HEAD
  PyObject *__pyx_v_attributes;
  PyObject *__pyx_v_expr_groups;
  PyObject *__pyx_v_expression;
  PyObject *__pyx_v_per_name;
  PyObject *__pyx_v_self;
};


/* "mathics/core/pattern.py":361
 *                 expr_groups[leaf] = expr_groups.get(leaf, 0) + 1
 * 
 *             def per_name(yield_name, groups, vars):             # <<<<<<<<<<<<<<
 *                 """
 *                 Yields possible variable settings (dictionaries) for the
 */
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name {
  PyObject_HEAD
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *__pyx_outer_scope;
  PyObject *__pyx_v_groups;
  PyObject *__pyx_v_match_count;
  PyObject *__pyx_v_name;
  PyObject *__pyx_v_patterns;
  PyObject *__pyx_v_per_expr;
  PyObject *__pyx_v_vars;
  PyObject *__pyx_v_yield_name;
};


/* "mathics/core/pattern.py":383
 *                     # sum = 0
 * 
 *                     def per_expr(yield_expr, expr_groups, sum=0):             # <<<<<<<<<<<<<<
 *                         """
 *                         Yields possible values (sequence lists) for the current
 */
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr {
  PyObject_HEAD
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *__pyx_outer_scope;
  PyObject *__pyx_v_count;
  PyObject *__pyx_v_expr;
  PyObject *__pyx_v_expr_groups;
  PyObject *__pyx_v_max_per_pattern;
  PyObject *__pyx_v_next;
  PyObject *__pyx_v_per_pattern;
  PyObject *__pyx_v_sum;
  PyObject *__pyx_v_yield_expr;
};


/* "mathics/core/pattern.py":405
 * 
 *                     # for sequence in per_expr(expr_groups.items()):
 *                     def yield_expr(sequence):             # <<<<<<<<<<<<<<
 *                         # FIXME: this call is wrong and needs a
 *                         # wrapper_function as the 1st parameter.
 */
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr {
  PyObject_HEAD
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *__pyx_outer_scope;
  PyObject *__pyx_v_wrapping;
};


/* "mathics/core/pattern.py":471
 *                 yield_func(Expression(expression.get_head(), *items))
 * 
 *     def match_leaf(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf {
  PyObject_HEAD
  PyObject *__pyx_v_attributes;
  PyObject *__pyx_v_evaluation;
  PyObject *__pyx_v_expression;
  PyObject *__pyx_v_fully;
  PyObject *__pyx_v_items_rest;
  PyObject *__pyx_v_leaf;
  PyObject *__pyx_v_leaf_count;
  PyObject *__pyx_v_leaf_index;
  PyObject *__pyx_v_leaf_yield;
  PyObject *__pyx_v_match_yield;
  PyObject *__pyx_v_next_depth;
  PyObject *__pyx_v_next_index;
  PyObject *__pyx_v_next_leaf;
  PyObject *__pyx_v_next_rest_leaves;
  PyObject *__pyx_v_rest_expression;
  PyObject *__pyx_v_rest_leaves;
  PyObject *__pyx_v_self;
  PyObject *__pyx_v_vars;
  PyObject *__pyx_v_wrap_oneid;
  PyObject *__pyx_v_yield_func;
};


/* --- Runtime support code (head) --- */
/* Refnanny.proto */
#ifndef CYTHON_REFNANNY
  #define CYTHON_REFNANNY 0
#endif
#if CYTHON_REFNANNY
  typedef struct {
    void (*INCREF)(void*, PyObject*, int);
    void (*DECREF)(void*, PyObject*, int);
    void (*GOTREF)(void*, PyObject*, int);
    void (*GIVEREF)(void*, PyObject*, int);
    void* (*SetupContext)(const char*, int, const char*);
    void (*FinishContext)(void**);
  } __Pyx_RefNannyAPIStruct;
  static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
  static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname);
  #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL;
#ifdef WITH_THREAD
  #define __Pyx_RefNannySetupContext(name, acquire_gil)\
          if (acquire_gil) {\
              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\
              PyGILState_Release(__pyx_gilstate_save);\
          } else {\
              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\
          }
#else
  #define __Pyx_RefNannySetupContext(name, acquire_gil)\
          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
#endif
  #define __Pyx_RefNannyFinishContext()\
          __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
#else
  #define __Pyx_RefNannyDeclarations
  #define __Pyx_RefNannySetupContext(name, acquire_gil)
  #define __Pyx_RefNannyFinishContext()
  #define __Pyx_INCREF(r) Py_INCREF(r)
  #define __Pyx_DECREF(r) Py_DECREF(r)
  #define __Pyx_GOTREF(r)
  #define __Pyx_GIVEREF(r)
  #define __Pyx_XINCREF(r) Py_XINCREF(r)
  #define __Pyx_XDECREF(r) Py_XDECREF(r)
  #define __Pyx_XGOTREF(r)
  #define __Pyx_XGIVEREF(r)
#endif
#define __Pyx_XDECREF_SET(r, v) do {\
        PyObject *tmp = (PyObject *) r;\
        r = v; __Pyx_XDECREF(tmp);\
    } while (0)
#define __Pyx_DECREF_SET(r, v) do {\
        PyObject *tmp = (PyObject *) r;\
        r = v; __Pyx_DECREF(tmp);\
    } while (0)
#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)

/* PyObjectGetAttrStr.proto */
#if CYTHON_USE_TYPE_SLOTS
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name);
#else
#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
#endif

/* GetBuiltinName.proto */
static PyObject *__Pyx_GetBuiltinName(PyObject *name);

/* Import.proto */
static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);

/* ImportFrom.proto */
static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);

/* PyFunctionFastCall.proto */
#if CYTHON_FAST_PYCALL
#define __Pyx_PyFunction_FastCall(func, args, nargs)\
    __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL)
#if 1 || PY_VERSION_HEX < 0x030600B1
static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs);
#else
#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs)
#endif
#define __Pyx_BUILD_ASSERT_EXPR(cond)\
    (sizeof(char [1 - 2*!(cond)]) - 1)
#ifndef Py_MEMBER_SIZE
#define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member)
#endif
  static size_t __pyx_pyframe_localsplus_offset = 0;
  #include "frameobject.h"
  #define __Pxy_PyFrame_Initialize_Offsets()\
    ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\
     (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus)))
  #define __Pyx_PyFrame_GetLocalsplus(frame)\
    (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset))
#endif

/* PyObjectCall.proto */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
#else
#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
#endif

/* PyObjectCallMethO.proto */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
#endif

/* PyObjectCallNoArg.proto */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
#else
#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL)
#endif

/* PyCFunctionFastCall.proto */
#if CYTHON_FAST_PYCCALL
static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs);
#else
#define __Pyx_PyCFunction_FastCall(func, args, nargs)  (assert(0), NULL)
#endif

/* PyObjectCallOneArg.proto */
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);

/* PyObjectCall2Args.proto */
static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2);

/* PyDictVersioning.proto */
#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
#define __PYX_DICT_VERSION_INIT  ((PY_UINT64_T) -1)
#define __PYX_GET_DICT_VERSION(dict)  (((PyDictObject*)(dict))->ma_version_tag)
#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\
    (version_var) = __PYX_GET_DICT_VERSION(dict);\
    (cache_var) = (value);
#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\
    static PY_UINT64_T __pyx_dict_version = 0;\
    static PyObject *__pyx_dict_cached_value = NULL;\
    if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\
        (VAR) = __pyx_dict_cached_value;\
    } else {\
        (VAR) = __pyx_dict_cached_value = (LOOKUP);\
        __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\
    }\
}
static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj);
static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj);
static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version);
#else
#define __PYX_GET_DICT_VERSION(dict)  (0)
#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)
#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP)  (VAR) = (LOOKUP);
#endif

/* GetModuleGlobalName.proto */
#if CYTHON_USE_DICT_VERSIONS
#define __Pyx_GetModuleGlobalName(var, name)  {\
    static PY_UINT64_T __pyx_dict_version = 0;\
    static PyObject *__pyx_dict_cached_value = NULL;\
    (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\
        (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\
        __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
}
#define __Pyx_GetModuleGlobalNameUncached(var, name)  {\
    PY_UINT64_T __pyx_dict_version;\
    PyObject *__pyx_dict_cached_value;\
    (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\
}
static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value);
#else
#define __Pyx_GetModuleGlobalName(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
#define __Pyx_GetModuleGlobalNameUncached(var, name)  (var) = __Pyx__GetModuleGlobalName(name)
static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name);
#endif

/* RaiseDoubleKeywords.proto */
static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);

/* ParseKeywords.proto */
static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\
    const char* function_name);

/* RaiseArgTupleInvalid.proto */
static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);

/* PyObjectSetAttrStr.proto */
#if CYTHON_USE_TYPE_SLOTS
#define __Pyx_PyObject_DelAttrStr(o,n) __Pyx_PyObject_SetAttrStr(o, n, NULL)
static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value);
#else
#define __Pyx_PyObject_DelAttrStr(o,n)   PyObject_DelAttr(o,n)
#define __Pyx_PyObject_SetAttrStr(o,n,v) PyObject_SetAttr(o,n,v)
#endif

/* PyThreadStateGet.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
#define __Pyx_PyThreadState_assign  __pyx_tstate = __Pyx_PyThreadState_Current;
#define __Pyx_PyErr_Occurred()  __pyx_tstate->curexc_type
#else
#define __Pyx_PyThreadState_declare
#define __Pyx_PyThreadState_assign
#define __Pyx_PyErr_Occurred()  PyErr_Occurred()
#endif

/* PyErrFetchRestore.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL)
#define __Pyx_ErrRestoreWithState(type, value, tb)  __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb)
#define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
#define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
#define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
#if CYTHON_COMPILING_IN_CPYTHON
#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
#else
#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
#endif
#else
#define __Pyx_PyErr_Clear() PyErr_Clear()
#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
#define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
#define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
#define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
#define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
#define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
#define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
#endif

/* RaiseException.proto */
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);

/* FetchCommonType.proto */
static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type);

/* CythonFunctionShared.proto */
#define __Pyx_CyFunction_USED 1
#define __Pyx_CYFUNCTION_STATICMETHOD  0x01
#define __Pyx_CYFUNCTION_CLASSMETHOD   0x02
#define __Pyx_CYFUNCTION_CCLASS        0x04
#define __Pyx_CyFunction_GetClosure(f)\
    (((__pyx_CyFunctionObject *) (f))->func_closure)
#define __Pyx_CyFunction_GetClassObj(f)\
    (((__pyx_CyFunctionObject *) (f))->func_classobj)
#define __Pyx_CyFunction_Defaults(type, f)\
    ((type *)(((__pyx_CyFunctionObject *) (f))->defaults))
#define __Pyx_CyFunction_SetDefaultsGetter(f, g)\
    ((__pyx_CyFunctionObject *) (f))->defaults_getter = (g)
typedef struct {
    PyCFunctionObject func;
#if PY_VERSION_HEX < 0x030500A0
    PyObject *func_weakreflist;
#endif
    PyObject *func_dict;
    PyObject *func_name;
    PyObject *func_qualname;
    PyObject *func_doc;
    PyObject *func_globals;
    PyObject *func_code;
    PyObject *func_closure;
    PyObject *func_classobj;
    void *defaults;
    int defaults_pyobjects;
    size_t defaults_size;  // used by FusedFunction for copying defaults
    int flags;
    PyObject *defaults_tuple;
    PyObject *defaults_kwdict;
    PyObject *(*defaults_getter)(PyObject *);
    PyObject *func_annotations;
} __pyx_CyFunctionObject;
static PyTypeObject *__pyx_CyFunctionType = 0;
#define __Pyx_CyFunction_Check(obj)  (__Pyx_TypeCheck(obj, __pyx_CyFunctionType))
static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject* op, PyMethodDef *ml,
                                      int flags, PyObject* qualname,
                                      PyObject *self,
                                      PyObject *module, PyObject *globals,
                                      PyObject* code);
static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *m,
                                                         size_t size,
                                                         int pyobjects);
static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *m,
                                                            PyObject *tuple);
static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *m,
                                                             PyObject *dict);
static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *m,
                                                              PyObject *dict);
static int __pyx_CyFunction_init(void);

/* CythonFunction.proto */
static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml,
                                      int flags, PyObject* qualname,
                                      PyObject *closure,
                                      PyObject *module, PyObject *globals,
                                      PyObject* code);

/* GetTopmostException.proto */
#if CYTHON_USE_EXC_INFO_STACK
static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate);
#endif

/* SaveResetException.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_ExceptionSave(type, value, tb)  __Pyx__ExceptionSave(__pyx_tstate, type, value, tb)
static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
#define __Pyx_ExceptionReset(type, value, tb)  __Pyx__ExceptionReset(__pyx_tstate, type, value, tb)
static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
#else
#define __Pyx_ExceptionSave(type, value, tb)   PyErr_GetExcInfo(type, value, tb)
#define __Pyx_ExceptionReset(type, value, tb)  PyErr_SetExcInfo(type, value, tb)
#endif

/* FastTypeChecks.proto */
#if CYTHON_COMPILING_IN_CPYTHON
#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type)
static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b);
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type);
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2);
#else
#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type)
#define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2))
#endif
#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)

/* GetException.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_GetException(type, value, tb)  __Pyx__GetException(__pyx_tstate, type, value, tb)
static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
#else
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb);
#endif

/* SwapException.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_ExceptionSwap(type, value, tb)  __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb)
static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
#else
static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb);
#endif

/* ListCompAppend.proto */
#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) {
    PyListObject* L = (PyListObject*) list;
    Py_ssize_t len = Py_SIZE(list);
    if (likely(L->allocated > len)) {
        Py_INCREF(x);
        PyList_SET_ITEM(list, len, x);
        __Pyx_SET_SIZE(list, len + 1);
        return 0;
    }
    return PyList_Append(list, x);
}
#else
#define __Pyx_ListComp_Append(L,x) PyList_Append(L,x)
#endif

/* None.proto */
static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname);

/* GetItemInt.proto */
#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
    __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\
    (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\
               __Pyx_GetItemInt_Generic(o, to_py_func(i))))
#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
    __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
    (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL))
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
                                                              int wraparound, int boundscheck);
#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
    __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\
    (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL))
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                              int wraparound, int boundscheck);
static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
                                                     int is_list, int wraparound, int boundscheck);

/* SliceObject.proto */
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(
        PyObject* obj, Py_ssize_t cstart, Py_ssize_t cstop,
        PyObject** py_start, PyObject** py_stop, PyObject** py_slice,
        int has_cstart, int has_cstop, int wraparound);

/* PySequenceContains.proto */
static CYTHON_INLINE int __Pyx_PySequence_ContainsTF(PyObject* item, PyObject* seq, int eq) {
    int result = PySequence_Contains(seq, item);
    return unlikely(result < 0) ? result : (result == (eq == Py_EQ));
}

/* RaiseTooManyValuesToUnpack.proto */
static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);

/* RaiseNeedMoreValuesToUnpack.proto */
static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);

/* IterFinish.proto */
static CYTHON_INLINE int __Pyx_IterFinish(void);

/* UnpackItemEndCheck.proto */
static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected);

/* SetItemInt.proto */
#define __Pyx_SetItemInt(o, i, v, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\
    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\
    __Pyx_SetItemInt_Fast(o, (Py_ssize_t)i, v, is_list, wraparound, boundscheck) :\
    (is_list ? (PyErr_SetString(PyExc_IndexError, "list assignment index out of range"), -1) :\
               __Pyx_SetItemInt_Generic(o, to_py_func(i), v)))
static int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v);
static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v,
                                               int is_list, int wraparound, int boundscheck);

/* PyDictContains.proto */
static CYTHON_INLINE int __Pyx_PyDict_ContainsTF(PyObject* item, PyObject* dict, int eq) {
    int result = PyDict_Contains(dict, item);
    return unlikely(result < 0) ? result : (result == (eq == Py_EQ));
}

/* ListAppend.proto */
#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
    PyListObject* L = (PyListObject*) list;
    Py_ssize_t len = Py_SIZE(list);
    if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) {
        Py_INCREF(x);
        PyList_SET_ITEM(list, len, x);
        __Pyx_SET_SIZE(list, len + 1);
        return 0;
    }
    return PyList_Append(list, x);
}
#else
#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
#endif

/* PyObjectGetMethod.proto */
static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method);

/* PyObjectCallMethod1.proto */
static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg);

/* append.proto */
static CYTHON_INLINE int __Pyx_PyObject_Append(PyObject* L, PyObject* x);

/* DictGetItem.proto */
#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key);
#define __Pyx_PyObject_Dict_GetItem(obj, name)\
    (likely(PyDict_CheckExact(obj)) ?\
     __Pyx_PyDict_GetItem(obj, name) : PyObject_GetItem(obj, name))
#else
#define __Pyx_PyDict_GetItem(d, key) PyObject_GetItem(d, key)
#define __Pyx_PyObject_Dict_GetItem(obj, name)  PyObject_GetItem(obj, name)
#endif

/* PyIntBinop.proto */
#if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, long intval, int inplace, int zerodivision_check);
#else
#define __Pyx_PyInt_AddObjC(op1, op2, intval, inplace, zerodivision_check)\
    (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2))
#endif

/* dict_getitem_default.proto */
static PyObject* __Pyx_PyDict_GetItemDefault(PyObject* d, PyObject* key, PyObject* default_value);

/* UnpackUnboundCMethod.proto */
typedef struct {
    PyObject *type;
    PyObject **method_name;
    PyCFunction func;
    PyObject *method;
    int flag;
} __Pyx_CachedCFunction;

/* CallUnboundCMethod1.proto */
static PyObject* __Pyx__CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg);
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg);
#else
#define __Pyx_CallUnboundCMethod1(cfunc, self, arg)  __Pyx__CallUnboundCMethod1(cfunc, self, arg)
#endif

/* CallUnboundCMethod2.proto */
static PyObject* __Pyx__CallUnboundCMethod2(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg1, PyObject* arg2);
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030600B1
static CYTHON_INLINE PyObject *__Pyx_CallUnboundCMethod2(__Pyx_CachedCFunction *cfunc, PyObject *self, PyObject *arg1, PyObject *arg2);
#else
#define __Pyx_CallUnboundCMethod2(cfunc, self, arg1, arg2)  __Pyx__CallUnboundCMethod2(cfunc, self, arg1, arg2)
#endif

/* py_dict_items.proto */
static CYTHON_INLINE PyObject* __Pyx_PyDict_Items(PyObject* d);

/* CallUnboundCMethod0.proto */
static PyObject* __Pyx__CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self);
#if CYTHON_COMPILING_IN_CPYTHON
#define __Pyx_CallUnboundCMethod0(cfunc, self)\
    (likely((cfunc)->func) ?\
        (likely((cfunc)->flag == METH_NOARGS) ?  (*((cfunc)->func))(self, NULL) :\
         (PY_VERSION_HEX >= 0x030600B1 && likely((cfunc)->flag == METH_FASTCALL) ?\
            (PY_VERSION_HEX >= 0x030700A0 ?\
                (*(__Pyx_PyCFunctionFast)(void*)(PyCFunction)(cfunc)->func)(self, &__pyx_empty_tuple, 0) :\
                (*(__Pyx_PyCFunctionFastWithKeywords)(void*)(PyCFunction)(cfunc)->func)(self, &__pyx_empty_tuple, 0, NULL)) :\
          (PY_VERSION_HEX >= 0x030700A0 && (cfunc)->flag == (METH_FASTCALL | METH_KEYWORDS) ?\
            (*(__Pyx_PyCFunctionFastWithKeywords)(void*)(PyCFunction)(cfunc)->func)(self, &__pyx_empty_tuple, 0, NULL) :\
            (likely((cfunc)->flag == (METH_VARARGS | METH_KEYWORDS)) ?  ((*(PyCFunctionWithKeywords)(void*)(PyCFunction)(cfunc)->func)(self, __pyx_empty_tuple, NULL)) :\
               ((cfunc)->flag == METH_VARARGS ?  (*((cfunc)->func))(self, __pyx_empty_tuple) :\
               __Pyx__CallUnboundCMethod0(cfunc, self)))))) :\
        __Pyx__CallUnboundCMethod0(cfunc, self))
#else
#define __Pyx_CallUnboundCMethod0(cfunc, self)  __Pyx__CallUnboundCMethod0(cfunc, self)
#endif

/* IncludeStringH.proto */
#include <string.h>

/* BytesEquals.proto */
static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals);

/* UnicodeEquals.proto */
static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals);

/* PyObject_GenericGetAttrNoDict.proto */
#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name);
#else
#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr
#endif

/* CalculateMetaclass.proto */
static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases);

/* SetNameInClass.proto */
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
#define __Pyx_SetNameInClass(ns, name, value)\
    (likely(PyDict_CheckExact(ns)) ? _PyDict_SetItem_KnownHash(ns, name, value, ((PyASCIIObject *) name)->hash) : PyObject_SetItem(ns, name, value))
#elif CYTHON_COMPILING_IN_CPYTHON
#define __Pyx_SetNameInClass(ns, name, value)\
    (likely(PyDict_CheckExact(ns)) ? PyDict_SetItem(ns, name, value) : PyObject_SetItem(ns, name, value))
#else
#define __Pyx_SetNameInClass(ns, name, value)  PyObject_SetItem(ns, name, value)
#endif

/* Py3ClassCreate.proto */
static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name, PyObject *qualname,
                                           PyObject *mkw, PyObject *modname, PyObject *doc);
static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases, PyObject *dict,
                                      PyObject *mkw, int calculate_metaclass, int allow_py2_metaclass);

/* CLineInTraceback.proto */
#ifdef CYTHON_CLINE_IN_TRACEBACK
#define __Pyx_CLineForTraceback(tstate, c_line)  (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0)
#else
static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line);
#endif

/* CodeObjectCache.proto */
typedef struct {
    PyCodeObject* code_object;
    int code_line;
} __Pyx_CodeObjectCacheEntry;
struct __Pyx_CodeObjectCache {
    int count;
    int max_count;
    __Pyx_CodeObjectCacheEntry* entries;
};
static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
static PyCodeObject *__pyx_find_code_object(int code_line);
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);

/* AddTraceback.proto */
static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename);

/* GCCDiagnostics.proto */
#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
#define __Pyx_HAS_GCC_DIAGNOSTIC
#endif

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);

/* CIntFromPy.proto */
static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);

/* CIntFromPy.proto */
static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);

/* CoroutineBase.proto */
typedef PyObject *(*__pyx_coroutine_body_t)(PyObject *, PyThreadState *, PyObject *);
#if CYTHON_USE_EXC_INFO_STACK
#define __Pyx_ExcInfoStruct  _PyErr_StackItem
#else
typedef struct {
    PyObject *exc_type;
    PyObject *exc_value;
    PyObject *exc_traceback;
} __Pyx_ExcInfoStruct;
#endif
typedef struct {
    PyObject_HEAD
    __pyx_coroutine_body_t body;
    PyObject *closure;
    __Pyx_ExcInfoStruct gi_exc_state;
    PyObject *gi_weakreflist;
    PyObject *classobj;
    PyObject *yieldfrom;
    PyObject *gi_name;
    PyObject *gi_qualname;
    PyObject *gi_modulename;
    PyObject *gi_code;
    int resume_label;
    char is_running;
} __pyx_CoroutineObject;
static __pyx_CoroutineObject *__Pyx__Coroutine_New(
    PyTypeObject *type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
    PyObject *name, PyObject *qualname, PyObject *module_name);
static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit(
            __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
            PyObject *name, PyObject *qualname, PyObject *module_name);
static CYTHON_INLINE void __Pyx_Coroutine_ExceptionClear(__Pyx_ExcInfoStruct *self);
static int __Pyx_Coroutine_clear(PyObject *self);
static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value);
static PyObject *__Pyx_Coroutine_Close(PyObject *self);
static PyObject *__Pyx_Coroutine_Throw(PyObject *gen, PyObject *args);
#if CYTHON_USE_EXC_INFO_STACK
#define __Pyx_Coroutine_SwapException(self)
#define __Pyx_Coroutine_ResetAndClearException(self)  __Pyx_Coroutine_ExceptionClear(&(self)->gi_exc_state)
#else
#define __Pyx_Coroutine_SwapException(self) {\
    __Pyx_ExceptionSwap(&(self)->gi_exc_state.exc_type, &(self)->gi_exc_state.exc_value, &(self)->gi_exc_state.exc_traceback);\
    __Pyx_Coroutine_ResetFrameBackpointer(&(self)->gi_exc_state);\
    }
#define __Pyx_Coroutine_ResetAndClearException(self) {\
    __Pyx_ExceptionReset((self)->gi_exc_state.exc_type, (self)->gi_exc_state.exc_value, (self)->gi_exc_state.exc_traceback);\
    (self)->gi_exc_state.exc_type = (self)->gi_exc_state.exc_value = (self)->gi_exc_state.exc_traceback = NULL;\
    }
#endif
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_PyGen_FetchStopIterationValue(pvalue)\
    __Pyx_PyGen__FetchStopIterationValue(__pyx_tstate, pvalue)
#else
#define __Pyx_PyGen_FetchStopIterationValue(pvalue)\
    __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, pvalue)
#endif
static int __Pyx_PyGen__FetchStopIterationValue(PyThreadState *tstate, PyObject **pvalue);
static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__Pyx_ExcInfoStruct *exc_state);

/* PatchModuleWithCoroutine.proto */
static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code);

/* PatchGeneratorABC.proto */
static int __Pyx_patch_abc(void);

/* Generator.proto */
#define __Pyx_Generator_USED
static PyTypeObject *__pyx_GeneratorType = 0;
#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
#define __Pyx_Generator_New(body, code, closure, name, qualname, module_name)\
    __Pyx__Coroutine_New(__pyx_GeneratorType, body, code, closure, name, qualname, module_name)
static PyObject *__Pyx_Generator_Next(PyObject *self);
static int __pyx_Generator_init(void);

/* CheckBinaryVersion.proto */
static int __Pyx_check_binary_version(void);

/* InitStrings.proto */
static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);


/* Module declarations from 'mathics.core.pattern' */
static PyTypeObject *__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct__match = 0;
static PyTypeObject *__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices = 0;
static PyTypeObject *__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_2_per_name = 0;
static PyTypeObject *__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr = 0;
static PyTypeObject *__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr = 0;
static PyTypeObject *__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf = 0;
#define __Pyx_MODULE_NAME "mathics.core.pattern"
extern int __pyx_module_is_main_mathics__core__pattern;
int __pyx_module_is_main_mathics__core__pattern = 0;

/* Implementation of 'mathics.core.pattern' */
static PyObject *__pyx_builtin_object;
static PyObject *__pyx_builtin_staticmethod;
static PyObject *__pyx_builtin_NotImplementedError;
static PyObject *__pyx_builtin_range;
static const char __pyx_k__5[] = "_";
static const char __pyx_k_doc[] = "__doc__";
static const char __pyx_k_exc[] = "exc";
static const char __pyx_k_get[] = "get";
static const char __pyx_k_key[] = "key";
static const char __pyx_k_sum[] = "sum";
static const char __pyx_k_args[] = "args";
static const char __pyx_k_atom[] = "atom";
static const char __pyx_k_copy[] = "copy";
static const char __pyx_k_expr[] = "expr";
static const char __pyx_k_head[] = "head";
static const char __pyx_k_init[] = "__init__";
static const char __pyx_k_item[] = "item";
static const char __pyx_k_leaf[] = "leaf";
static const char __pyx_k_main[] = "__main__";
static const char __pyx_k_name[] = "name";
static const char __pyx_k_next[] = "next";
static const char __pyx_k_perm[] = "perm";
static const char __pyx_k_repr[] = "__repr__";
static const char __pyx_k_rest[] = "rest";
static const char __pyx_k_self[] = "self";
static const char __pyx_k_send[] = "send";
static const char __pyx_k_sets[] = "sets";
static const char __pyx_k_sort[] = "sort";
static const char __pyx_k_test[] = "__test__";
static const char __pyx_k_vars[] = "vars";
static const char __pyx_k_Blank[] = "Blank";
static const char __pyx_k_chain[] = "chain";
static const char __pyx_k_close[] = "close";
static const char __pyx_k_count[] = "count";
static const char __pyx_k_depth[] = "depth";
static const char __pyx_k_first[] = "first";
static const char __pyx_k_fully[] = "fully";
static const char __pyx_k_items[] = "items";
static const char __pyx_k_match[] = "match";
static const char __pyx_k_other[] = "other";
static const char __pyx_k_range[] = "range";
static const char __pyx_k_sameQ[] = "sameQ";
static const char __pyx_k_throw[] = "throw";
static const char __pyx_k_value[] = "value";
static const char __pyx_k_append[] = "append";
static const char __pyx_k_create[] = "create";
static const char __pyx_k_groups[] = "groups";
static const char __pyx_k_import[] = "__import__";
static const char __pyx_k_leaves[] = "leaves";
static const char __pyx_k_module[] = "__module__";
static const char __pyx_k_name_2[] = "__name__";
static const char __pyx_k_needed[] = "needed";
static const char __pyx_k_object[] = "object";
static const char __pyx_k_remove[] = "remove";
static const char __pyx_k_return[] = "return";
static const char __pyx_k_Pattern[] = "Pattern";
static const char __pyx_k_is_atom[] = "is_atom";
static const char __pyx_k_pattern[] = "pattern";
static const char __pyx_k_popitem[] = "popitem";
static const char __pyx_k_prepare[] = "__prepare__";
static const char __pyx_k_setting[] = "setting";
static const char __pyx_k_subsets[] = "subsets";
static const char __pyx_k_varname[] = "varname";
static const char __pyx_k_Optional[] = "Optional";
static const char __pyx_k_Repeated[] = "Repeated";
static const char __pyx_k_Sequence[] = "Sequence";
static const char __pyx_k_existing[] = "existing";
static const char __pyx_k_get_head[] = "get_head";
static const char __pyx_k_get_name[] = "get_name";
static const char __pyx_k_has_form[] = "has_form";
static const char __pyx_k_included[] = "included";
static const char __pyx_k_new_vars[] = "new_vars";
static const char __pyx_k_patterns[] = "patterns";
static const char __pyx_k_per_expr[] = "per_expr";
static const char __pyx_k_per_name[] = "per_name";
static const char __pyx_k_pre_vars[] = "pre_vars";
static const char __pyx_k_qualname[] = "__qualname__";
static const char __pyx_k_sequence[] = "sequence";
static const char __pyx_k_sub_vars[] = "sub_vars";
static const char __pyx_k_wrapping[] = "wrapping";
static const char __pyx_k_Condition[] = "Condition";
static const char __pyx_k_available[] = "available";
static const char __pyx_k_head_name[] = "head_name";
static const char __pyx_k_head_vars[] = "head_vars";
static const char __pyx_k_itertools[] = "itertools";
static const char __pyx_k_max_count[] = "max_count";
static const char __pyx_k_metaclass[] = "__metaclass__";
static const char __pyx_k_next_leaf[] = "next_leaf";
static const char __pyx_k_next_rest[] = "next_rest";
static const char __pyx_k_next_vars[] = "next_vars";
static const char __pyx_k_prev_name[] = "prev_name";
static const char __pyx_k_subranges[] = "subranges";
static const char __pyx_k_wrappings[] = "wrappings";
static const char __pyx_k_Expression[] = "Expression";
static const char __pyx_k_attributes[] = "attributes";
static const char __pyx_k_candidates[] = "candidates";
static const char __pyx_k_does_match[] = "does_match";
static const char __pyx_k_evaluation[] = "evaluation";
static const char __pyx_k_expression[] = "expression";
static const char __pyx_k_get_leaves[] = "get_leaves";
static const char __pyx_k_items_rest[] = "items_rest";
static const char __pyx_k_leaf_count[] = "leaf_count";
static const char __pyx_k_leaf_index[] = "leaf_index";
static const char __pyx_k_leaf_yield[] = "leaf_yield";
static const char __pyx_k_less_first[] = "less_first";
static const char __pyx_k_match_leaf[] = "match_leaf";
static const char __pyx_k_next_depth[] = "next_depth";
static const char __pyx_k_next_index[] = "next_index";
static const char __pyx_k_wrap_oneid[] = "wrap_oneid";
static const char __pyx_k_yield_expr[] = "yield_expr";
static const char __pyx_k_yield_func[] = "yield_func";
static const char __pyx_k_yield_head[] = "yield_head";
static const char __pyx_k_yield_name[] = "yield_name";
static const char __pyx_k_yield_next[] = "yield_next";
static const char __pyx_k_AtomPattern[] = "AtomPattern";
static const char __pyx_k_PatternTest[] = "PatternTest";
static const char __pyx_k_System_Flat[] = "System`Flat";
static const char __pyx_k_definitions[] = "definitions";
static const char __pyx_k_expr_groups[] = "expr_groups";
static const char __pyx_k_match_count[] = "match_count";
static const char __pyx_k_match_yield[] = "match_yield";
static const char __pyx_k_needed_leaf[] = "needed_leaf";
static const char __pyx_k_next_leaves[] = "next_leaves";
static const char __pyx_k_per_pattern[] = "per_pattern";
static const char __pyx_k_rest_leaves[] = "rest_leaves";
static const char __pyx_k_set_lengths[] = "set_lengths";
static const char __pyx_k_yield_match[] = "yield_match";
static const char __pyx_k_Alternatives[] = "Alternatives";
static const char __pyx_k_RepeatedNull[] = "RepeatedNull";
static const char __pyx_k_get_sequence[] = "get_sequence";
static const char __pyx_k_get_sort_key[] = "get_sort_key";
static const char __pyx_k_pattern_sort[] = "pattern_sort";
static const char __pyx_k_permutations[] = "permutations";
static const char __pyx_k_prev_pattern[] = "prev_pattern";
static const char __pyx_k_staticmethod[] = "staticmethod";
static const char __pyx_k_yield_choice[] = "yield_choice";
static const char __pyx_k_AtomPattern_s[] = "<AtomPattern: %s>";
static const char __pyx_k_BlankSequence[] = "BlankSequence";
static const char __pyx_k_Pattern_match[] = "Pattern.match";
static const char __pyx_k_Pattern_sameQ[] = "Pattern.sameQ";
static const char __pyx_k_StopGenerator[] = "StopGenerator";
static const char __pyx_k_check_stopped[] = "check_stopped";
static const char __pyx_k_filter_leaves[] = "filter_leaves";
static const char __pyx_k_get_head_name[] = "get_head_name";
static const char __pyx_k_get_wrappings[] = "get_wrappings";
static const char __pyx_k_try_flattened[] = "try_flattened";
static const char __pyx_k_OptionsPattern[] = "OptionsPattern";
static const char __pyx_k_Pattern_create[] = "Pattern_create";
static const char __pyx_k_System_Pattern[] = "System`Pattern";
static const char __pyx_k_ensure_context[] = "ensure_context";
static const char __pyx_k_flexible_start[] = "flexible_start";
static const char __pyx_k_get_attributes[] = "get_attributes";
static const char __pyx_k_leading_blanks[] = "leading_blanks";
static const char __pyx_k_new_expression[] = "new_expression";
static const char __pyx_k_pattern_object[] = "pattern_object";
static const char __pyx_k_system_symbols[] = "system_symbols";
static const char __pyx_k_yield_wrapping[] = "yield_wrapping";
static const char __pyx_k_Pattern_is_atom[] = "Pattern.is_atom";
static const char __pyx_k_System_Sequence[] = "System`Sequence";
static const char __pyx_k_get_lookup_name[] = "get_lookup_name";
static const char __pyx_k_get_match_count[] = "get_match_count";
static const char __pyx_k_get_pre_choices[] = "get_pre_choices";
static const char __pyx_k_leaf_candidates[] = "leaf_candidates";
static const char __pyx_k_mathics_builtin[] = "mathics.builtin";
static const char __pyx_k_max_per_pattern[] = "max_per_pattern";
static const char __pyx_k_pattern_objects[] = "pattern_objects";
static const char __pyx_k_rest_expression[] = "rest_expression";
static const char __pyx_k_sub_match_count[] = "sub_match_count";
static const char __pyx_k_Pattern_get_head[] = "Pattern.get_head";
static const char __pyx_k_Pattern_get_name[] = "Pattern.get_name";
static const char __pyx_k_Pattern_has_form[] = "Pattern.has_form";
static const char __pyx_k_System_MakeBoxes[] = "System`MakeBoxes";
static const char __pyx_k_System_Orderless[] = "System`Orderless";
static const char __pyx_k_next_rest_leaves[] = "next_rest_leaves";
static const char __pyx_k_pattern_sequence[] = "pattern_sequence";
static const char __pyx_k_unmatched_leaves[] = "unmatched_leaves";
static const char __pyx_k_AtomPattern_match[] = "AtomPattern.match";
static const char __pyx_k_BlankNullSequence[] = "BlankNullSequence";
static const char __pyx_k_ExpressionPattern[] = "ExpressionPattern";
static const char __pyx_k_get_option_values[] = "get_option_values";
static const char __pyx_k_include_flattened[] = "include_flattened";
static const char __pyx_k_mathics_core_util[] = "mathics.core.util";
static const char __pyx_k_AtomPattern___init[] = "AtomPattern.__init__";
static const char __pyx_k_AtomPattern___repr[] = "AtomPattern.__repr__";
static const char __pyx_k_Pattern_does_match[] = "Pattern.does_match";
static const char __pyx_k_Pattern_get_leaves[] = "Pattern.get_leaves";
static const char __pyx_k_System_OneIdentity[] = "System`OneIdentity";
static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
static const char __pyx_k_ignore_oneidentity[] = "ignore_oneidentity";
static const char __pyx_k_ExpressionPattern_s[] = "<ExpressionPattern: %s>";
static const char __pyx_k_NotImplementedError[] = "NotImplementedError";
static const char __pyx_k_Pattern_get_sequence[] = "Pattern.get_sequence";
static const char __pyx_k_Pattern_get_sort_key[] = "Pattern.get_sort_key";
static const char __pyx_k_StopGenerator___init[] = "StopGenerator.__init__";
static const char __pyx_k_get_match_candidates[] = "get_match_candidates";
static const char __pyx_k_mathics_core_pattern[] = "mathics.core.pattern";
static const char __pyx_k_Pattern_get_head_name[] = "Pattern.get_head_name";
static const char __pyx_k_StopGenerator_Pattern[] = "StopGenerator_Pattern";
static const char __pyx_k_ExpressionPattern_sort[] = "ExpressionPattern.sort";
static const char __pyx_k_Pattern_get_attributes[] = "Pattern.get_attributes";
static const char __pyx_k_ExpressionPattern_match[] = "ExpressionPattern.match";
static const char __pyx_k_Pattern_get_lookup_name[] = "Pattern.get_lookup_name";
static const char __pyx_k_mathics_core_expression[] = "mathics.core.expression";
static const char __pyx_k_mathics_core_pattern_py[] = "mathics/core/pattern.py";
static const char __pyx_k_ExpressionPattern___init[] = "ExpressionPattern.__init__";
static const char __pyx_k_ExpressionPattern___repr[] = "ExpressionPattern.__repr__";
static const char __pyx_k_Pattern_get_option_values[] = "Pattern.get_option_values";
static const char __pyx_k_get_match_candidates_count[] = "get_match_candidates_count";
static const char __pyx_k_AtomPattern_get_match_count[] = "AtomPattern.get_match_count";
static const char __pyx_k_ExpressionPattern_match_leaf[] = "ExpressionPattern.match_leaf";
static const char __pyx_k_Pattern_get_match_candidates[] = "Pattern.get_match_candidates";
static const char __pyx_k_ExpressionPattern_filter_leaves[] = "ExpressionPattern.filter_leaves";
static const char __pyx_k_ExpressionPattern_get_wrappings[] = "ExpressionPattern.get_wrappings";
static const char __pyx_k_Pattern_does_match_locals_yield[] = "Pattern.does_match.<locals>.yield_match";
static const char __pyx_k_StopGenerator_ExpressionPattern[] = "StopGenerator_ExpressionPattern_match";
static const char __pyx_k_AtomPattern_get_match_candidates[] = "AtomPattern.get_match_candidates";
static const char __pyx_k_ExpressionPattern_get_match_cand[] = "ExpressionPattern.get_match_candidates";
static const char __pyx_k_ExpressionPattern_get_match_coun[] = "ExpressionPattern.get_match_count";
static const char __pyx_k_ExpressionPattern_get_pre_choice[] = "ExpressionPattern.get_pre_choices.<locals>.per_name.<locals>.per_expr";
static const char __pyx_k_ExpressionPattern_match_leaf_loc[] = "ExpressionPattern.match_leaf.<locals>.leaf_yield";
static const char __pyx_k_ExpressionPattern_match_locals_y[] = "ExpressionPattern.match.<locals>.yield_choice";
static const char __pyx_k_ExpressionPattern_sort_locals_la[] = "ExpressionPattern.sort.<locals>.<lambda>";
static const char __pyx_k_Pattern_get_match_candidates_cou[] = "Pattern.get_match_candidates_count";
static const char __pyx_k_ExpressionPattern_get_match_cand_2[] = "ExpressionPattern.get_match_candidates_count";
static const char __pyx_k_ExpressionPattern_get_pre_choice_2[] = "ExpressionPattern.get_pre_choices.<locals>.per_name.<locals>.yield_expr.<locals>.yield_next";
static const char __pyx_k_ExpressionPattern_get_pre_choice_3[] = "ExpressionPattern.get_pre_choices.<locals>.per_name.<locals>.yield_expr";
static const char __pyx_k_ExpressionPattern_get_pre_choice_4[] = "ExpressionPattern.get_pre_choices.<locals>.per_name";
static const char __pyx_k_ExpressionPattern_get_pre_choice_5[] = "ExpressionPattern.get_pre_choices";
static const char __pyx_k_ExpressionPattern_match_leaf_loc_2[] = "ExpressionPattern.match_leaf.<locals>.match_yield";
static const char __pyx_k_ExpressionPattern_match_leaf_loc_3[] = "ExpressionPattern.match_leaf.<locals>.yield_wrapping";
static const char __pyx_k_ExpressionPattern_match_locals_y_2[] = "ExpressionPattern.match.<locals>.yield_head";
static PyObject *__pyx_n_u_Alternatives;
static PyObject *__pyx_n_s_AtomPattern;
static PyObject *__pyx_n_s_AtomPattern___init;
static PyObject *__pyx_n_s_AtomPattern___repr;
static PyObject *__pyx_n_s_AtomPattern_get_match_candidates;
static PyObject *__pyx_n_s_AtomPattern_get_match_count;
static PyObject *__pyx_n_s_AtomPattern_match;
static PyObject *__pyx_kp_u_AtomPattern_s;
static PyObject *__pyx_n_u_Blank;
static PyObject *__pyx_n_u_BlankNullSequence;
static PyObject *__pyx_n_u_BlankSequence;
static PyObject *__pyx_n_u_Condition;
static PyObject *__pyx_n_s_Expression;
static PyObject *__pyx_n_s_ExpressionPattern;
static PyObject *__pyx_n_s_ExpressionPattern___init;
static PyObject *__pyx_n_s_ExpressionPattern___repr;
static PyObject *__pyx_n_s_ExpressionPattern_filter_leaves;
static PyObject *__pyx_n_s_ExpressionPattern_get_match_cand;
static PyObject *__pyx_n_s_ExpressionPattern_get_match_cand_2;
static PyObject *__pyx_n_s_ExpressionPattern_get_match_coun;
static PyObject *__pyx_n_s_ExpressionPattern_get_pre_choice;
static PyObject *__pyx_n_s_ExpressionPattern_get_pre_choice_2;
static PyObject *__pyx_n_s_ExpressionPattern_get_pre_choice_3;
static PyObject *__pyx_n_s_ExpressionPattern_get_pre_choice_4;
static PyObject *__pyx_n_s_ExpressionPattern_get_pre_choice_5;
static PyObject *__pyx_n_s_ExpressionPattern_get_wrappings;
static PyObject *__pyx_n_s_ExpressionPattern_match;
static PyObject *__pyx_n_s_ExpressionPattern_match_leaf;
static PyObject *__pyx_n_s_ExpressionPattern_match_leaf_loc;
static PyObject *__pyx_n_s_ExpressionPattern_match_leaf_loc_2;
static PyObject *__pyx_n_s_ExpressionPattern_match_leaf_loc_3;
static PyObject *__pyx_n_s_ExpressionPattern_match_locals_y;
static PyObject *__pyx_n_s_ExpressionPattern_match_locals_y_2;
static PyObject *__pyx_kp_u_ExpressionPattern_s;
static PyObject *__pyx_n_s_ExpressionPattern_sort;
static PyObject *__pyx_n_s_ExpressionPattern_sort_locals_la;
static PyObject *__pyx_n_s_NotImplementedError;
static PyObject *__pyx_n_u_Optional;
static PyObject *__pyx_n_u_OptionsPattern;
static PyObject *__pyx_n_s_Pattern;
static PyObject *__pyx_n_u_Pattern;
static PyObject *__pyx_n_u_PatternTest;
static PyObject *__pyx_n_s_Pattern_create;
static PyObject *__pyx_n_s_Pattern_does_match;
static PyObject *__pyx_n_s_Pattern_does_match_locals_yield;
static PyObject *__pyx_n_s_Pattern_get_attributes;
static PyObject *__pyx_n_s_Pattern_get_head;
static PyObject *__pyx_n_s_Pattern_get_head_name;
static PyObject *__pyx_n_s_Pattern_get_leaves;
static PyObject *__pyx_n_s_Pattern_get_lookup_name;
static PyObject *__pyx_n_s_Pattern_get_match_candidates;
static PyObject *__pyx_n_s_Pattern_get_match_candidates_cou;
static PyObject *__pyx_n_s_Pattern_get_name;
static PyObject *__pyx_n_s_Pattern_get_option_values;
static PyObject *__pyx_n_s_Pattern_get_sequence;
static PyObject *__pyx_n_s_Pattern_get_sort_key;
static PyObject *__pyx_n_s_Pattern_has_form;
static PyObject *__pyx_n_s_Pattern_is_atom;
static PyObject *__pyx_n_s_Pattern_match;
static PyObject *__pyx_n_s_Pattern_sameQ;
static PyObject *__pyx_n_u_Repeated;
static PyObject *__pyx_n_u_RepeatedNull;
static PyObject *__pyx_n_u_Sequence;
static PyObject *__pyx_n_s_StopGenerator;
static PyObject *__pyx_n_s_StopGenerator_ExpressionPattern;
static PyObject *__pyx_n_s_StopGenerator_Pattern;
static PyObject *__pyx_n_s_StopGenerator___init;
static PyObject *__pyx_kp_u_System_Flat;
static PyObject *__pyx_kp_u_System_MakeBoxes;
static PyObject *__pyx_kp_u_System_OneIdentity;
static PyObject *__pyx_kp_u_System_Orderless;
static PyObject *__pyx_kp_u_System_Pattern;
static PyObject *__pyx_kp_u_System_Sequence;
static PyObject *__pyx_n_s__5;
static PyObject *__pyx_n_s_append;
static PyObject *__pyx_n_s_args;
static PyObject *__pyx_n_s_atom;
static PyObject *__pyx_n_s_attributes;
static PyObject *__pyx_n_s_available;
static PyObject *__pyx_n_s_candidates;
static PyObject *__pyx_n_s_chain;
static PyObject *__pyx_n_s_check_stopped;
static PyObject *__pyx_n_s_cline_in_traceback;
static PyObject *__pyx_n_s_close;
static PyObject *__pyx_n_s_copy;
static PyObject *__pyx_n_s_count;
static PyObject *__pyx_n_s_create;
static PyObject *__pyx_n_s_definitions;
static PyObject *__pyx_n_s_depth;
static PyObject *__pyx_n_s_doc;
static PyObject *__pyx_n_s_does_match;
static PyObject *__pyx_n_s_ensure_context;
static PyObject *__pyx_n_s_evaluation;
static PyObject *__pyx_n_s_exc;
static PyObject *__pyx_n_s_existing;
static PyObject *__pyx_n_s_expr;
static PyObject *__pyx_n_s_expr_groups;
static PyObject *__pyx_n_s_expression;
static PyObject *__pyx_n_s_filter_leaves;
static PyObject *__pyx_n_s_first;
static PyObject *__pyx_n_s_flexible_start;
static PyObject *__pyx_n_s_fully;
static PyObject *__pyx_n_s_get;
static PyObject *__pyx_n_s_get_attributes;
static PyObject *__pyx_n_s_get_head;
static PyObject *__pyx_n_s_get_head_name;
static PyObject *__pyx_n_s_get_leaves;
static PyObject *__pyx_n_s_get_lookup_name;
static PyObject *__pyx_n_s_get_match_candidates;
static PyObject *__pyx_n_s_get_match_candidates_count;
static PyObject *__pyx_n_s_get_match_count;
static PyObject *__pyx_n_s_get_name;
static PyObject *__pyx_n_s_get_option_values;
static PyObject *__pyx_n_s_get_pre_choices;
static PyObject *__pyx_n_s_get_sequence;
static PyObject *__pyx_n_s_get_sort_key;
static PyObject *__pyx_n_s_get_wrappings;
static PyObject *__pyx_n_s_groups;
static PyObject *__pyx_n_s_has_form;
static PyObject *__pyx_n_s_head;
static PyObject *__pyx_n_s_head_name;
static PyObject *__pyx_n_s_head_vars;
static PyObject *__pyx_n_s_ignore_oneidentity;
static PyObject *__pyx_n_s_import;
static PyObject *__pyx_n_s_include_flattened;
static PyObject *__pyx_n_s_included;
static PyObject *__pyx_n_s_init;
static PyObject *__pyx_n_s_is_atom;
static PyObject *__pyx_n_s_item;
static PyObject *__pyx_n_s_items;
static PyObject *__pyx_n_s_items_rest;
static PyObject *__pyx_n_s_itertools;
static PyObject *__pyx_n_s_key;
static PyObject *__pyx_n_s_leading_blanks;
static PyObject *__pyx_n_s_leaf;
static PyObject *__pyx_n_s_leaf_candidates;
static PyObject *__pyx_n_s_leaf_count;
static PyObject *__pyx_n_s_leaf_index;
static PyObject *__pyx_n_s_leaf_yield;
static PyObject *__pyx_n_s_leaves;
static PyObject *__pyx_n_s_less_first;
static PyObject *__pyx_n_s_main;
static PyObject *__pyx_n_s_match;
static PyObject *__pyx_n_s_match_count;
static PyObject *__pyx_n_s_match_leaf;
static PyObject *__pyx_n_s_match_yield;
static PyObject *__pyx_n_s_mathics_builtin;
static PyObject *__pyx_n_s_mathics_core_expression;
static PyObject *__pyx_n_s_mathics_core_pattern;
static PyObject *__pyx_kp_s_mathics_core_pattern_py;
static PyObject *__pyx_n_s_mathics_core_util;
static PyObject *__pyx_n_s_max_count;
static PyObject *__pyx_n_s_max_per_pattern;
static PyObject *__pyx_n_s_metaclass;
static PyObject *__pyx_n_s_module;
static PyObject *__pyx_n_s_name;
static PyObject *__pyx_n_s_name_2;
static PyObject *__pyx_n_s_needed;
static PyObject *__pyx_n_s_needed_leaf;
static PyObject *__pyx_n_s_new_expression;
static PyObject *__pyx_n_s_new_vars;
static PyObject *__pyx_n_s_next;
static PyObject *__pyx_n_s_next_depth;
static PyObject *__pyx_n_s_next_index;
static PyObject *__pyx_n_s_next_leaf;
static PyObject *__pyx_n_s_next_leaves;
static PyObject *__pyx_n_s_next_rest;
static PyObject *__pyx_n_s_next_rest_leaves;
static PyObject *__pyx_n_s_next_vars;
static PyObject *__pyx_n_s_object;
static PyObject *__pyx_n_s_other;
static PyObject *__pyx_n_s_pattern;
static PyObject *__pyx_n_s_pattern_object;
static PyObject *__pyx_n_s_pattern_objects;
static PyObject *__pyx_n_s_pattern_sequence;
static PyObject *__pyx_n_s_pattern_sort;
static PyObject *__pyx_n_s_patterns;
static PyObject *__pyx_n_s_per_expr;
static PyObject *__pyx_n_s_per_name;
static PyObject *__pyx_n_s_per_pattern;
static PyObject *__pyx_n_s_perm;
static PyObject *__pyx_n_s_permutations;
static PyObject *__pyx_n_s_popitem;
static PyObject *__pyx_n_s_pre_vars;
static PyObject *__pyx_n_s_prepare;
static PyObject *__pyx_n_s_prev_name;
static PyObject *__pyx_n_s_prev_pattern;
static PyObject *__pyx_n_s_qualname;
static PyObject *__pyx_n_s_range;
static PyObject *__pyx_n_s_remove;
static PyObject *__pyx_n_s_repr;
static PyObject *__pyx_n_s_rest;
static PyObject *__pyx_n_s_rest_expression;
static PyObject *__pyx_n_s_rest_leaves;
static PyObject *__pyx_n_s_return;
static PyObject *__pyx_n_s_sameQ;
static PyObject *__pyx_n_s_self;
static PyObject *__pyx_n_s_send;
static PyObject *__pyx_n_s_sequence;
static PyObject *__pyx_n_s_set_lengths;
static PyObject *__pyx_n_s_sets;
static PyObject *__pyx_n_s_setting;
static PyObject *__pyx_n_s_sort;
static PyObject *__pyx_n_s_staticmethod;
static PyObject *__pyx_n_s_sub_match_count;
static PyObject *__pyx_n_s_sub_vars;
static PyObject *__pyx_n_s_subranges;
static PyObject *__pyx_n_s_subsets;
static PyObject *__pyx_n_s_sum;
static PyObject *__pyx_n_s_system_symbols;
static PyObject *__pyx_n_s_test;
static PyObject *__pyx_n_s_throw;
static PyObject *__pyx_n_s_try_flattened;
static PyObject *__pyx_n_s_unmatched_leaves;
static PyObject *__pyx_n_s_value;
static PyObject *__pyx_n_s_varname;
static PyObject *__pyx_n_s_vars;
static PyObject *__pyx_n_s_wrap_oneid;
static PyObject *__pyx_n_s_wrapping;
static PyObject *__pyx_n_s_wrappings;
static PyObject *__pyx_n_s_yield_choice;
static PyObject *__pyx_n_s_yield_expr;
static PyObject *__pyx_n_s_yield_func;
static PyObject *__pyx_n_s_yield_head;
static PyObject *__pyx_n_s_yield_match;
static PyObject *__pyx_n_s_yield_name;
static PyObject *__pyx_n_s_yield_next;
static PyObject *__pyx_n_s_yield_wrapping;
static PyObject *__pyx_pf_7mathics_4core_7pattern_Pattern_create(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_expr); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_13StopGenerator___init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_match(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_yield_func, CYTHON_UNUSED PyObject *__pyx_v_expression, CYTHON_UNUSED PyObject *__pyx_v_vars, CYTHON_UNUSED PyObject *__pyx_v_evaluation, CYTHON_UNUSED PyObject *__pyx_v_head, CYTHON_UNUSED PyObject *__pyx_v_leaf_index, CYTHON_UNUSED PyObject *__pyx_v_leaf_count, CYTHON_UNUSED PyObject *__pyx_v_fully, CYTHON_UNUSED PyObject *__pyx_v_wrap_oneid); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_10does_match_yield_match(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_sub_vars, CYTHON_UNUSED PyObject *__pyx_v_rest); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_2does_match(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_expression, PyObject *__pyx_v_evaluation, PyObject *__pyx_v_vars, PyObject *__pyx_v_fully); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_4get_name(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_6is_atom(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_8get_head_name(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_10sameQ(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_12get_head(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_14get_leaves(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_16get_sort_key(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_pattern_sort); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_18get_lookup_name(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_20get_attributes(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_definitions); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_22get_sequence(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_24get_option_values(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_26has_form(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_args); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_2__defaults__(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_28get_match_candidates(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_leaves, CYTHON_UNUSED PyObject *__pyx_v_expression, CYTHON_UNUSED PyObject *__pyx_v_attributes, CYTHON_UNUSED PyObject *__pyx_v_evaluation, CYTHON_UNUSED PyObject *__pyx_v_vars); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_4__defaults__(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_30get_match_candidates_count(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_leaves, PyObject *__pyx_v_expression, PyObject *__pyx_v_attributes, PyObject *__pyx_v_evaluation, PyObject *__pyx_v_vars); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_11AtomPattern___init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_expr); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_11AtomPattern_2__repr__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_11AtomPattern_4match(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_yield_func, PyObject *__pyx_v_expression, PyObject *__pyx_v_vars, CYTHON_UNUSED PyObject *__pyx_v_evaluation, CYTHON_UNUSED PyObject *__pyx_v_head, CYTHON_UNUSED PyObject *__pyx_v_leaf_index, CYTHON_UNUSED PyObject *__pyx_v_leaf_count, CYTHON_UNUSED PyObject *__pyx_v_fully, CYTHON_UNUSED PyObject *__pyx_v_wrap_oneid); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_6__defaults__(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_11AtomPattern_6get_match_candidates(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_leaves, CYTHON_UNUSED PyObject *__pyx_v_expression, CYTHON_UNUSED PyObject *__pyx_v_attributes, CYTHON_UNUSED PyObject *__pyx_v_evaluation, CYTHON_UNUSED PyObject *__pyx_v_vars); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_8__defaults__(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_11AtomPattern_8get_match_count(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_vars); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_5match_yield_choice(PyObject *__pyx_self, PyObject *__pyx_v_pre_vars); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_5match_2yield_head(PyObject *__pyx_self, PyObject *__pyx_v_head_vars, CYTHON_UNUSED PyObject *__pyx_v__); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_match(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_yield_func, PyObject *__pyx_v_expression, PyObject *__pyx_v_vars, PyObject *__pyx_v_evaluation, CYTHON_UNUSED PyObject *__pyx_v_head, CYTHON_UNUSED PyObject *__pyx_v_leaf_index, CYTHON_UNUSED PyObject *__pyx_v_leaf_count, PyObject *__pyx_v_fully, PyObject *__pyx_v_wrap_oneid); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_per_expr(PyObject *__pyx_self, PyObject *__pyx_v_yield_expr, PyObject *__pyx_v_expr_groups, PyObject *__pyx_v_sum); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_10yield_expr_yield_next(PyObject *__pyx_self, PyObject *__pyx_v_next); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_3yield_expr(PyObject *__pyx_self, PyObject *__pyx_v_sequence); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_per_name(PyObject *__pyx_self, PyObject *__pyx_v_yield_name, PyObject *__pyx_v_groups, PyObject *__pyx_v_vars); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_2get_pre_choices(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_yield_func, PyObject *__pyx_v_expression, PyObject *__pyx_v_attributes, PyObject *__pyx_v_vars); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_4__init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_expr); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_6filter_leaves(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_head_name); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_8__repr__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_10__defaults__(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10get_match_count(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_vars); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_12get_wrappings(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, PyObject *__pyx_v_yield_func, PyObject *__pyx_v_items, PyObject *__pyx_v_max_count, PyObject *__pyx_v_expression, PyObject *__pyx_v_attributes, PyObject *__pyx_v_include_flattened); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_leaf_yield(PyObject *__pyx_self, PyObject *__pyx_v_next_vars, PyObject *__pyx_v_next_rest); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_2match_yield(PyObject *__pyx_self, PyObject *__pyx_v_new_vars, CYTHON_UNUSED PyObject *__pyx_v__); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_4yield_wrapping(PyObject *__pyx_self, PyObject *__pyx_v_item); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_14match_leaf(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_yield_func, PyObject *__pyx_v_leaf, PyObject *__pyx_v_rest_leaves, PyObject *__pyx_v_rest_expression, PyObject *__pyx_v_vars, PyObject *__pyx_v_expression, PyObject *__pyx_v_attributes, PyObject *__pyx_v_evaluation, PyObject *__pyx_v_leaf_index, PyObject *__pyx_v_leaf_count, PyObject *__pyx_v_first, PyObject *__pyx_v_fully, PyObject *__pyx_v_depth, PyObject *__pyx_v_wrap_oneid); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_12__defaults__(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_16get_match_candidates(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_leaves, CYTHON_UNUSED PyObject *__pyx_v_expression, CYTHON_UNUSED PyObject *__pyx_v_attributes, PyObject *__pyx_v_evaluation, PyObject *__pyx_v_vars); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_14__defaults__(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_18get_match_candidates_count(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_leaves, CYTHON_UNUSED PyObject *__pyx_v_expression, CYTHON_UNUSED PyObject *__pyx_v_attributes, PyObject *__pyx_v_evaluation, PyObject *__pyx_v_vars); /* proto */
static PyObject *__pyx_lambda_funcdef_lambda(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_e); /* proto */
static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_20sort(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct__match(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_2_per_name(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static __Pyx_CachedCFunction __pyx_umethod_PyDict_Type_get = {0, &__pyx_n_s_get, 0, 0, 0};
static __Pyx_CachedCFunction __pyx_umethod_PyDict_Type_items = {0, &__pyx_n_s_items, 0, 0, 0};
static PyObject *__pyx_int_0;
static PyObject *__pyx_int_1;
static PyObject *__pyx_int_neg_1;
static PyObject *__pyx_tuple_;
static PyObject *__pyx_slice__4;
static PyObject *__pyx_tuple__3;
static PyObject *__pyx_tuple__6;
static PyObject *__pyx_tuple__8;
static PyObject *__pyx_slice__21;
static PyObject *__pyx_tuple__10;
static PyObject *__pyx_tuple__12;
static PyObject *__pyx_tuple__14;
static PyObject *__pyx_tuple__15;
static PyObject *__pyx_tuple__17;
static PyObject *__pyx_tuple__19;
static PyObject *__pyx_tuple__20;
static PyObject *__pyx_tuple__22;
static PyObject *__pyx_tuple__24;
static PyObject *__pyx_tuple__26;
static PyObject *__pyx_tuple__28;
static PyObject *__pyx_tuple__30;
static PyObject *__pyx_tuple__32;
static PyObject *__pyx_tuple__33;
static PyObject *__pyx_tuple__34;
static PyObject *__pyx_tuple__36;
static PyObject *__pyx_tuple__37;
static PyObject *__pyx_tuple__39;
static PyObject *__pyx_tuple__40;
static PyObject *__pyx_tuple__42;
static PyObject *__pyx_tuple__44;
static PyObject *__pyx_tuple__46;
static PyObject *__pyx_tuple__48;
static PyObject *__pyx_tuple__50;
static PyObject *__pyx_tuple__52;
static PyObject *__pyx_tuple__54;
static PyObject *__pyx_tuple__55;
static PyObject *__pyx_tuple__57;
static PyObject *__pyx_tuple__59;
static PyObject *__pyx_tuple__61;
static PyObject *__pyx_tuple__63;
static PyObject *__pyx_tuple__65;
static PyObject *__pyx_tuple__67;
static PyObject *__pyx_tuple__69;
static PyObject *__pyx_tuple__71;
static PyObject *__pyx_tuple__73;
static PyObject *__pyx_tuple__75;
static PyObject *__pyx_tuple__76;
static PyObject *__pyx_tuple__78;
static PyObject *__pyx_tuple__80;
static PyObject *__pyx_tuple__82;
static PyObject *__pyx_tuple__83;
static PyObject *__pyx_tuple__85;
static PyObject *__pyx_tuple__87;
static PyObject *__pyx_tuple__89;
static PyObject *__pyx_tuple__91;
static PyObject *__pyx_tuple__93;
static PyObject *__pyx_tuple__95;
static PyObject *__pyx_tuple__96;
static PyObject *__pyx_tuple__98;
static PyObject *__pyx_tuple__99;
static PyObject *__pyx_codeobj__2;
static PyObject *__pyx_codeobj__7;
static PyObject *__pyx_codeobj__9;
static PyObject *__pyx_tuple__101;
static PyObject *__pyx_tuple__103;
static PyObject *__pyx_codeobj__11;
static PyObject *__pyx_codeobj__13;
static PyObject *__pyx_codeobj__16;
static PyObject *__pyx_codeobj__18;
static PyObject *__pyx_codeobj__23;
static PyObject *__pyx_codeobj__25;
static PyObject *__pyx_codeobj__27;
static PyObject *__pyx_codeobj__29;
static PyObject *__pyx_codeobj__31;
static PyObject *__pyx_codeobj__35;
static PyObject *__pyx_codeobj__38;
static PyObject *__pyx_codeobj__41;
static PyObject *__pyx_codeobj__43;
static PyObject *__pyx_codeobj__45;
static PyObject *__pyx_codeobj__47;
static PyObject *__pyx_codeobj__49;
static PyObject *__pyx_codeobj__51;
static PyObject *__pyx_codeobj__53;
static PyObject *__pyx_codeobj__56;
static PyObject *__pyx_codeobj__58;
static PyObject *__pyx_codeobj__60;
static PyObject *__pyx_codeobj__62;
static PyObject *__pyx_codeobj__64;
static PyObject *__pyx_codeobj__66;
static PyObject *__pyx_codeobj__68;
static PyObject *__pyx_codeobj__70;
static PyObject *__pyx_codeobj__72;
static PyObject *__pyx_codeobj__74;
static PyObject *__pyx_codeobj__77;
static PyObject *__pyx_codeobj__79;
static PyObject *__pyx_codeobj__81;
static PyObject *__pyx_codeobj__84;
static PyObject *__pyx_codeobj__86;
static PyObject *__pyx_codeobj__88;
static PyObject *__pyx_codeobj__90;
static PyObject *__pyx_codeobj__92;
static PyObject *__pyx_codeobj__94;
static PyObject *__pyx_codeobj__97;
static PyObject *__pyx_codeobj__100;
static PyObject *__pyx_codeobj__102;
static PyObject *__pyx_codeobj__104;
/* Late includes */

/* "mathics/core/pattern.py":16
 * 
 * 
 * def Pattern_create(expr):             # <<<<<<<<<<<<<<
 *     from mathics.builtin import pattern_objects
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_1Pattern_create(PyObject *__pyx_self, PyObject *__pyx_v_expr); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_1Pattern_create = {"Pattern_create", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_1Pattern_create, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_1Pattern_create(PyObject *__pyx_self, PyObject *__pyx_v_expr) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("Pattern_create (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_Pattern_create(__pyx_self, ((PyObject *)__pyx_v_expr));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_Pattern_create(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_expr) {
  PyObject *__pyx_v_pattern_objects = NULL;
  PyObject *__pyx_v_name = NULL;
  PyObject *__pyx_v_pattern_object = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_t_4;
  int __pyx_t_5;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("Pattern_create", 0);

  /* "mathics/core/pattern.py":17
 * 
 * def Pattern_create(expr):
 *     from mathics.builtin import pattern_objects             # <<<<<<<<<<<<<<
 * 
 *     # from mathics.core.pattern import AtomPattern, ExpressionPattern
 */
  __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 17, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__pyx_n_s_pattern_objects);
  __Pyx_GIVEREF(__pyx_n_s_pattern_objects);
  PyList_SET_ITEM(__pyx_t_1, 0, __pyx_n_s_pattern_objects);
  __pyx_t_2 = __Pyx_Import(__pyx_n_s_mathics_builtin, __pyx_t_1, 0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 17, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_ImportFrom(__pyx_t_2, __pyx_n_s_pattern_objects); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 17, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__pyx_t_1);
  __pyx_v_pattern_objects = __pyx_t_1;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":21
 *     # from mathics.core.pattern import AtomPattern, ExpressionPattern
 * 
 *     name = expr.get_head_name()             # <<<<<<<<<<<<<<
 *     pattern_object = pattern_objects.get(name)
 *     if pattern_object is not None:
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_expr, __pyx_n_s_get_head_name); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 21, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_1))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_1);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_1, function);
    }
  }
  __pyx_t_2 = (__pyx_t_3) ? __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_t_3) : __Pyx_PyObject_CallNoArg(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 21, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_v_name = __pyx_t_2;
  __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":22
 * 
 *     name = expr.get_head_name()
 *     pattern_object = pattern_objects.get(name)             # <<<<<<<<<<<<<<
 *     if pattern_object is not None:
 *         return pattern_object(expr)
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_pattern_objects, __pyx_n_s_get); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 22, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_1))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_1);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_1, function);
    }
  }
  __pyx_t_2 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_1, __pyx_t_3, __pyx_v_name) : __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_v_name);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 22, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_v_pattern_object = __pyx_t_2;
  __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":23
 *     name = expr.get_head_name()
 *     pattern_object = pattern_objects.get(name)
 *     if pattern_object is not None:             # <<<<<<<<<<<<<<
 *         return pattern_object(expr)
 *     if expr.is_atom():
 */
  __pyx_t_4 = (__pyx_v_pattern_object != Py_None);
  __pyx_t_5 = (__pyx_t_4 != 0);
  if (__pyx_t_5) {

    /* "mathics/core/pattern.py":24
 *     pattern_object = pattern_objects.get(name)
 *     if pattern_object is not None:
 *         return pattern_object(expr)             # <<<<<<<<<<<<<<
 *     if expr.is_atom():
 *         return AtomPattern(expr)
 */
    __Pyx_XDECREF(__pyx_r);
    __Pyx_INCREF(__pyx_v_pattern_object);
    __pyx_t_1 = __pyx_v_pattern_object; __pyx_t_3 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_1))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_1);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_1, function);
      }
    }
    __pyx_t_2 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_1, __pyx_t_3, __pyx_v_expr) : __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_v_expr);
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 24, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_r = __pyx_t_2;
    __pyx_t_2 = 0;
    goto __pyx_L0;

    /* "mathics/core/pattern.py":23
 *     name = expr.get_head_name()
 *     pattern_object = pattern_objects.get(name)
 *     if pattern_object is not None:             # <<<<<<<<<<<<<<
 *         return pattern_object(expr)
 *     if expr.is_atom():
 */
  }

  /* "mathics/core/pattern.py":25
 *     if pattern_object is not None:
 *         return pattern_object(expr)
 *     if expr.is_atom():             # <<<<<<<<<<<<<<
 *         return AtomPattern(expr)
 *     else:
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_expr, __pyx_n_s_is_atom); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 25, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_1))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_1);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_1, function);
    }
  }
  __pyx_t_2 = (__pyx_t_3) ? __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_t_3) : __Pyx_PyObject_CallNoArg(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 25, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_5 < 0)) __PYX_ERR(0, 25, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (__pyx_t_5) {

    /* "mathics/core/pattern.py":26
 *         return pattern_object(expr)
 *     if expr.is_atom():
 *         return AtomPattern(expr)             # <<<<<<<<<<<<<<
 *     else:
 *         return ExpressionPattern(expr)
 */
    __Pyx_XDECREF(__pyx_r);
    __Pyx_GetModuleGlobalName(__pyx_t_1, __pyx_n_s_AtomPattern); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 26, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_3 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_1))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_1);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_1, function);
      }
    }
    __pyx_t_2 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_1, __pyx_t_3, __pyx_v_expr) : __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_v_expr);
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 26, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_r = __pyx_t_2;
    __pyx_t_2 = 0;
    goto __pyx_L0;

    /* "mathics/core/pattern.py":25
 *     if pattern_object is not None:
 *         return pattern_object(expr)
 *     if expr.is_atom():             # <<<<<<<<<<<<<<
 *         return AtomPattern(expr)
 *     else:
 */
  }

  /* "mathics/core/pattern.py":28
 *         return AtomPattern(expr)
 *     else:
 *         return ExpressionPattern(expr)             # <<<<<<<<<<<<<<
 * 
 * 
 */
  /*else*/ {
    __Pyx_XDECREF(__pyx_r);
    __Pyx_GetModuleGlobalName(__pyx_t_1, __pyx_n_s_ExpressionPattern); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 28, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_3 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_1))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_1);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_1, function);
      }
    }
    __pyx_t_2 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_1, __pyx_t_3, __pyx_v_expr) : __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_v_expr);
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 28, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_r = __pyx_t_2;
    __pyx_t_2 = 0;
    goto __pyx_L0;
  }

  /* "mathics/core/pattern.py":16
 * 
 * 
 * def Pattern_create(expr):             # <<<<<<<<<<<<<<
 *     from mathics.builtin import pattern_objects
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern_create", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_pattern_objects);
  __Pyx_XDECREF(__pyx_v_name);
  __Pyx_XDECREF(__pyx_v_pattern_object);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":32
 * 
 * class StopGenerator(Exception):
 *     def __init__(self, value=None):             # <<<<<<<<<<<<<<
 *         self.value = value
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_13StopGenerator_1__init__(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_13StopGenerator_1__init__ = {"__init__", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_13StopGenerator_1__init__, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_13StopGenerator_1__init__(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_value = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__init__ (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_value,0};
    PyObject* values[2] = {0,0};
    values[1] = ((PyObject *)((PyObject *)Py_None));
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_value);
          if (value) { values[1] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__init__") < 0)) __PYX_ERR(0, 32, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_value = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("__init__", 0, 1, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 32, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.StopGenerator.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_13StopGenerator___init__(__pyx_self, __pyx_v_self, __pyx_v_value);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_13StopGenerator___init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__init__", 0);

  /* "mathics/core/pattern.py":33
 * class StopGenerator(Exception):
 *     def __init__(self, value=None):
 *         self.value = value             # <<<<<<<<<<<<<<
 * 
 * 
 */
  if (__Pyx_PyObject_SetAttrStr(__pyx_v_self, __pyx_n_s_value, __pyx_v_value) < 0) __PYX_ERR(0, 33, __pyx_L1_error)

  /* "mathics/core/pattern.py":32
 * 
 * class StopGenerator(Exception):
 *     def __init__(self, value=None):             # <<<<<<<<<<<<<<
 *         self.value = value
 * 
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_AddTraceback("mathics.core.pattern.StopGenerator.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":47
 *     create = staticmethod(Pattern_create)
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_1match(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_1match = {"match", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_7Pattern_1match, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_1match(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  CYTHON_UNUSED PyObject *__pyx_v_self = 0;
  CYTHON_UNUSED PyObject *__pyx_v_yield_func = 0;
  CYTHON_UNUSED PyObject *__pyx_v_expression = 0;
  CYTHON_UNUSED PyObject *__pyx_v_vars = 0;
  CYTHON_UNUSED PyObject *__pyx_v_evaluation = 0;
  CYTHON_UNUSED PyObject *__pyx_v_head = 0;
  CYTHON_UNUSED PyObject *__pyx_v_leaf_index = 0;
  CYTHON_UNUSED PyObject *__pyx_v_leaf_count = 0;
  CYTHON_UNUSED PyObject *__pyx_v_fully = 0;
  CYTHON_UNUSED PyObject *__pyx_v_wrap_oneid = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("match (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_yield_func,&__pyx_n_s_expression,&__pyx_n_s_vars,&__pyx_n_s_evaluation,&__pyx_n_s_head,&__pyx_n_s_leaf_index,&__pyx_n_s_leaf_count,&__pyx_n_s_fully,&__pyx_n_s_wrap_oneid,0};
    PyObject* values[10] = {0,0,0,0,0,0,0,0,0,0};

    /* "mathics/core/pattern.py":53
 *         vars,
 *         evaluation,
 *         head=None,             # <<<<<<<<<<<<<<
 *         leaf_index=None,
 *         leaf_count=None,
 */
    values[5] = ((PyObject *)((PyObject *)Py_None));

    /* "mathics/core/pattern.py":54
 *         evaluation,
 *         head=None,
 *         leaf_index=None,             # <<<<<<<<<<<<<<
 *         leaf_count=None,
 *         fully=True,
 */
    values[6] = ((PyObject *)((PyObject *)Py_None));

    /* "mathics/core/pattern.py":55
 *         head=None,
 *         leaf_index=None,
 *         leaf_count=None,             # <<<<<<<<<<<<<<
 *         fully=True,
 *         wrap_oneid=True,
 */
    values[7] = ((PyObject *)((PyObject *)Py_None));

    /* "mathics/core/pattern.py":56
 *         leaf_index=None,
 *         leaf_count=None,
 *         fully=True,             # <<<<<<<<<<<<<<
 *         wrap_oneid=True,
 *     ):
 */
    values[8] = ((PyObject *)((PyObject *)Py_True));

    /* "mathics/core/pattern.py":57
 *         leaf_count=None,
 *         fully=True,
 *         wrap_oneid=True,             # <<<<<<<<<<<<<<
 *     ):
 *         raise NotImplementedError
 */
    values[9] = ((PyObject *)((PyObject *)Py_True));
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case 10: values[9] = PyTuple_GET_ITEM(__pyx_args, 9);
        CYTHON_FALLTHROUGH;
        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
        CYTHON_FALLTHROUGH;
        case  8: values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
        CYTHON_FALLTHROUGH;
        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
        CYTHON_FALLTHROUGH;
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_yield_func)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 1); __PYX_ERR(0, 47, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 2); __PYX_ERR(0, 47, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 3); __PYX_ERR(0, 47, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_evaluation)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 4); __PYX_ERR(0, 47, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  5:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_head);
          if (value) { values[5] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  6:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaf_index);
          if (value) { values[6] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  7:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaf_count);
          if (value) { values[7] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  8:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_fully);
          if (value) { values[8] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  9:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_wrap_oneid);
          if (value) { values[9] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "match") < 0)) __PYX_ERR(0, 47, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case 10: values[9] = PyTuple_GET_ITEM(__pyx_args, 9);
        CYTHON_FALLTHROUGH;
        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
        CYTHON_FALLTHROUGH;
        case  8: values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
        CYTHON_FALLTHROUGH;
        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
        CYTHON_FALLTHROUGH;
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_yield_func = values[1];
    __pyx_v_expression = values[2];
    __pyx_v_vars = values[3];
    __pyx_v_evaluation = values[4];
    __pyx_v_head = values[5];
    __pyx_v_leaf_index = values[6];
    __pyx_v_leaf_count = values[7];
    __pyx_v_fully = values[8];
    __pyx_v_wrap_oneid = values[9];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 47, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.match", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_match(__pyx_self, __pyx_v_self, __pyx_v_yield_func, __pyx_v_expression, __pyx_v_vars, __pyx_v_evaluation, __pyx_v_head, __pyx_v_leaf_index, __pyx_v_leaf_count, __pyx_v_fully, __pyx_v_wrap_oneid);

  /* "mathics/core/pattern.py":47
 *     create = staticmethod(Pattern_create)
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_match(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_yield_func, CYTHON_UNUSED PyObject *__pyx_v_expression, CYTHON_UNUSED PyObject *__pyx_v_vars, CYTHON_UNUSED PyObject *__pyx_v_evaluation, CYTHON_UNUSED PyObject *__pyx_v_head, CYTHON_UNUSED PyObject *__pyx_v_leaf_index, CYTHON_UNUSED PyObject *__pyx_v_leaf_count, CYTHON_UNUSED PyObject *__pyx_v_fully, CYTHON_UNUSED PyObject *__pyx_v_wrap_oneid) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("match", 0);

  /* "mathics/core/pattern.py":59
 *         wrap_oneid=True,
 *     ):
 *         raise NotImplementedError             # <<<<<<<<<<<<<<
 * 
 *     """def match(self, expression, vars, evaluation,
 */
  __Pyx_Raise(__pyx_builtin_NotImplementedError, 0, 0, 0);
  __PYX_ERR(0, 59, __pyx_L1_error)

  /* "mathics/core/pattern.py":47
 *     create = staticmethod(Pattern_create)
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.match", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":72
 *         return result"""
 * 
 *     def does_match(self, expression, evaluation, vars=None, fully=True):             # <<<<<<<<<<<<<<
 * 
 *         if vars is None:
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_3does_match(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_3does_match = {"does_match", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_7Pattern_3does_match, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_3does_match(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_expression = 0;
  PyObject *__pyx_v_evaluation = 0;
  PyObject *__pyx_v_vars = 0;
  PyObject *__pyx_v_fully = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("does_match (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_expression,&__pyx_n_s_evaluation,&__pyx_n_s_vars,&__pyx_n_s_fully,0};
    PyObject* values[5] = {0,0,0,0,0};
    values[3] = ((PyObject *)((PyObject *)Py_None));
    values[4] = ((PyObject *)((PyObject *)Py_True));
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("does_match", 0, 3, 5, 1); __PYX_ERR(0, 72, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_evaluation)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("does_match", 0, 3, 5, 2); __PYX_ERR(0, 72, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars);
          if (value) { values[3] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_fully);
          if (value) { values[4] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "does_match") < 0)) __PYX_ERR(0, 72, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_expression = values[1];
    __pyx_v_evaluation = values[2];
    __pyx_v_vars = values[3];
    __pyx_v_fully = values[4];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("does_match", 0, 3, 5, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 72, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.does_match", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_2does_match(__pyx_self, __pyx_v_self, __pyx_v_expression, __pyx_v_evaluation, __pyx_v_vars, __pyx_v_fully);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":80
 *         #    return True
 * 
 *         def yield_match(sub_vars, rest):             # <<<<<<<<<<<<<<
 *             raise StopGenerator_Pattern(True)
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_10does_match_1yield_match(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_10does_match_1yield_match = {"yield_match", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_7Pattern_10does_match_1yield_match, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_10does_match_1yield_match(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  CYTHON_UNUSED PyObject *__pyx_v_sub_vars = 0;
  CYTHON_UNUSED PyObject *__pyx_v_rest = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("yield_match (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_sub_vars,&__pyx_n_s_rest,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_sub_vars)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_rest)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("yield_match", 1, 2, 2, 1); __PYX_ERR(0, 80, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "yield_match") < 0)) __PYX_ERR(0, 80, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_sub_vars = values[0];
    __pyx_v_rest = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("yield_match", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 80, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.does_match.yield_match", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_10does_match_yield_match(__pyx_self, __pyx_v_sub_vars, __pyx_v_rest);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_10does_match_yield_match(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_sub_vars, CYTHON_UNUSED PyObject *__pyx_v_rest) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("yield_match", 0);

  /* "mathics/core/pattern.py":81
 * 
 *         def yield_match(sub_vars, rest):
 *             raise StopGenerator_Pattern(True)             # <<<<<<<<<<<<<<
 * 
 *         try:
 */
  __Pyx_GetModuleGlobalName(__pyx_t_2, __pyx_n_s_StopGenerator_Pattern); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 81, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
    }
  }
  __pyx_t_1 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_2, __pyx_t_3, Py_True) : __Pyx_PyObject_CallOneArg(__pyx_t_2, Py_True);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 81, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_Raise(__pyx_t_1, 0, 0, 0);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __PYX_ERR(0, 81, __pyx_L1_error)

  /* "mathics/core/pattern.py":80
 *         #    return True
 * 
 *         def yield_match(sub_vars, rest):             # <<<<<<<<<<<<<<
 *             raise StopGenerator_Pattern(True)
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.does_match.yield_match", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":72
 *         return result"""
 * 
 *     def does_match(self, expression, evaluation, vars=None, fully=True):             # <<<<<<<<<<<<<<
 * 
 *         if vars is None:
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_2does_match(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_expression, PyObject *__pyx_v_evaluation, PyObject *__pyx_v_vars, PyObject *__pyx_v_fully) {
  PyObject *__pyx_v_yield_match = 0;
  PyObject *__pyx_v_exc = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  int __pyx_t_10;
  int __pyx_t_11;
  char const *__pyx_t_12;
  PyObject *__pyx_t_13 = NULL;
  PyObject *__pyx_t_14 = NULL;
  PyObject *__pyx_t_15 = NULL;
  PyObject *__pyx_t_16 = NULL;
  PyObject *__pyx_t_17 = NULL;
  PyObject *__pyx_t_18 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("does_match", 0);
  __Pyx_INCREF(__pyx_v_vars);

  /* "mathics/core/pattern.py":74
 *     def does_match(self, expression, evaluation, vars=None, fully=True):
 * 
 *         if vars is None:             # <<<<<<<<<<<<<<
 *             vars = {}
 *         # for sub_vars, rest in self.match(  # nopep8
 */
  __pyx_t_1 = (__pyx_v_vars == Py_None);
  __pyx_t_2 = (__pyx_t_1 != 0);
  if (__pyx_t_2) {

    /* "mathics/core/pattern.py":75
 * 
 *         if vars is None:
 *             vars = {}             # <<<<<<<<<<<<<<
 *         # for sub_vars, rest in self.match(  # nopep8
 *         #    expression, vars, evaluation, fully=fully):
 */
    __pyx_t_3 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 75, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF_SET(__pyx_v_vars, __pyx_t_3);
    __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":74
 *     def does_match(self, expression, evaluation, vars=None, fully=True):
 * 
 *         if vars is None:             # <<<<<<<<<<<<<<
 *             vars = {}
 *         # for sub_vars, rest in self.match(  # nopep8
 */
  }

  /* "mathics/core/pattern.py":80
 *         #    return True
 * 
 *         def yield_match(sub_vars, rest):             # <<<<<<<<<<<<<<
 *             raise StopGenerator_Pattern(True)
 * 
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_10does_match_1yield_match, 0, __pyx_n_s_Pattern_does_match_locals_yield, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__2)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 80, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_v_yield_match = __pyx_t_3;
  __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":83
 *             raise StopGenerator_Pattern(True)
 * 
 *         try:             # <<<<<<<<<<<<<<
 *             self.match(yield_match, expression, vars, evaluation, fully=fully)
 *         except StopGenerator_Pattern as exc:
 */
  {
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    __Pyx_ExceptionSave(&__pyx_t_4, &__pyx_t_5, &__pyx_t_6);
    __Pyx_XGOTREF(__pyx_t_4);
    __Pyx_XGOTREF(__pyx_t_5);
    __Pyx_XGOTREF(__pyx_t_6);
    /*try:*/ {

      /* "mathics/core/pattern.py":84
 * 
 *         try:
 *             self.match(yield_match, expression, vars, evaluation, fully=fully)             # <<<<<<<<<<<<<<
 *         except StopGenerator_Pattern as exc:
 *             return exc.value
 */
      __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_match); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 84, __pyx_L4_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_7 = PyTuple_New(4); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 84, __pyx_L4_error)
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_INCREF(__pyx_v_yield_match);
      __Pyx_GIVEREF(__pyx_v_yield_match);
      PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_v_yield_match);
      __Pyx_INCREF(__pyx_v_expression);
      __Pyx_GIVEREF(__pyx_v_expression);
      PyTuple_SET_ITEM(__pyx_t_7, 1, __pyx_v_expression);
      __Pyx_INCREF(__pyx_v_vars);
      __Pyx_GIVEREF(__pyx_v_vars);
      PyTuple_SET_ITEM(__pyx_t_7, 2, __pyx_v_vars);
      __Pyx_INCREF(__pyx_v_evaluation);
      __Pyx_GIVEREF(__pyx_v_evaluation);
      PyTuple_SET_ITEM(__pyx_t_7, 3, __pyx_v_evaluation);
      __pyx_t_8 = __Pyx_PyDict_NewPresized(1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 84, __pyx_L4_error)
      __Pyx_GOTREF(__pyx_t_8);
      if (PyDict_SetItem(__pyx_t_8, __pyx_n_s_fully, __pyx_v_fully) < 0) __PYX_ERR(0, 84, __pyx_L4_error)
      __pyx_t_9 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_7, __pyx_t_8); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 84, __pyx_L4_error)
      __Pyx_GOTREF(__pyx_t_9);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;

      /* "mathics/core/pattern.py":83
 *             raise StopGenerator_Pattern(True)
 * 
 *         try:             # <<<<<<<<<<<<<<
 *             self.match(yield_match, expression, vars, evaluation, fully=fully)
 *         except StopGenerator_Pattern as exc:
 */
    }
    __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
    goto __pyx_L9_try_end;
    __pyx_L4_error:;
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
    __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
    __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;

    /* "mathics/core/pattern.py":85
 *         try:
 *             self.match(yield_match, expression, vars, evaluation, fully=fully)
 *         except StopGenerator_Pattern as exc:             # <<<<<<<<<<<<<<
 *             return exc.value
 *         return False
 */
    __Pyx_ErrFetch(&__pyx_t_9, &__pyx_t_8, &__pyx_t_7);
    __Pyx_GetModuleGlobalName(__pyx_t_3, __pyx_n_s_StopGenerator_Pattern); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 85, __pyx_L6_except_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_10 = __Pyx_PyErr_GivenExceptionMatches(__pyx_t_9, __pyx_t_3);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_ErrRestore(__pyx_t_9, __pyx_t_8, __pyx_t_7);
    __pyx_t_9 = 0; __pyx_t_8 = 0; __pyx_t_7 = 0;
    if (__pyx_t_10) {
      __Pyx_AddTraceback("mathics.core.pattern.Pattern.does_match", __pyx_clineno, __pyx_lineno, __pyx_filename);
      if (__Pyx_GetException(&__pyx_t_7, &__pyx_t_8, &__pyx_t_9) < 0) __PYX_ERR(0, 85, __pyx_L6_except_error)
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_GOTREF(__pyx_t_8);
      __Pyx_GOTREF(__pyx_t_9);
      __Pyx_INCREF(__pyx_t_8);
      __pyx_v_exc = __pyx_t_8;
      /*try:*/ {

        /* "mathics/core/pattern.py":86
 *             self.match(yield_match, expression, vars, evaluation, fully=fully)
 *         except StopGenerator_Pattern as exc:
 *             return exc.value             # <<<<<<<<<<<<<<
 *         return False
 * 
 */
        __Pyx_XDECREF(__pyx_r);
        __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_v_exc, __pyx_n_s_value); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 86, __pyx_L15_error)
        __Pyx_GOTREF(__pyx_t_3);
        __pyx_r = __pyx_t_3;
        __pyx_t_3 = 0;
        __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
        goto __pyx_L14_return;
      }

      /* "mathics/core/pattern.py":85
 *         try:
 *             self.match(yield_match, expression, vars, evaluation, fully=fully)
 *         except StopGenerator_Pattern as exc:             # <<<<<<<<<<<<<<
 *             return exc.value
 *         return False
 */
      /*finally:*/ {
        __pyx_L15_error:;
        /*exception exit:*/{
          __Pyx_PyThreadState_declare
          __Pyx_PyThreadState_assign
          __pyx_t_13 = 0; __pyx_t_14 = 0; __pyx_t_15 = 0; __pyx_t_16 = 0; __pyx_t_17 = 0; __pyx_t_18 = 0;
          __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
          if (PY_MAJOR_VERSION >= 3) __Pyx_ExceptionSwap(&__pyx_t_16, &__pyx_t_17, &__pyx_t_18);
          if ((PY_MAJOR_VERSION < 3) || unlikely(__Pyx_GetException(&__pyx_t_13, &__pyx_t_14, &__pyx_t_15) < 0)) __Pyx_ErrFetch(&__pyx_t_13, &__pyx_t_14, &__pyx_t_15);
          __Pyx_XGOTREF(__pyx_t_13);
          __Pyx_XGOTREF(__pyx_t_14);
          __Pyx_XGOTREF(__pyx_t_15);
          __Pyx_XGOTREF(__pyx_t_16);
          __Pyx_XGOTREF(__pyx_t_17);
          __Pyx_XGOTREF(__pyx_t_18);
          __pyx_t_10 = __pyx_lineno; __pyx_t_11 = __pyx_clineno; __pyx_t_12 = __pyx_filename;
          {
            __Pyx_DECREF(__pyx_v_exc);
            __pyx_v_exc = NULL;
          }
          if (PY_MAJOR_VERSION >= 3) {
            __Pyx_XGIVEREF(__pyx_t_16);
            __Pyx_XGIVEREF(__pyx_t_17);
            __Pyx_XGIVEREF(__pyx_t_18);
            __Pyx_ExceptionReset(__pyx_t_16, __pyx_t_17, __pyx_t_18);
          }
          __Pyx_XGIVEREF(__pyx_t_13);
          __Pyx_XGIVEREF(__pyx_t_14);
          __Pyx_XGIVEREF(__pyx_t_15);
          __Pyx_ErrRestore(__pyx_t_13, __pyx_t_14, __pyx_t_15);
          __pyx_t_13 = 0; __pyx_t_14 = 0; __pyx_t_15 = 0; __pyx_t_16 = 0; __pyx_t_17 = 0; __pyx_t_18 = 0;
          __pyx_lineno = __pyx_t_10; __pyx_clineno = __pyx_t_11; __pyx_filename = __pyx_t_12;
          goto __pyx_L6_except_error;
        }
        __pyx_L14_return: {
          __pyx_t_18 = __pyx_r;
          __pyx_r = 0;
          __Pyx_DECREF(__pyx_v_exc);
          __pyx_v_exc = NULL;
          __pyx_r = __pyx_t_18;
          __pyx_t_18 = 0;
          goto __pyx_L7_except_return;
        }
      }
    }
    goto __pyx_L6_except_error;
    __pyx_L6_except_error:;

    /* "mathics/core/pattern.py":83
 *             raise StopGenerator_Pattern(True)
 * 
 *         try:             # <<<<<<<<<<<<<<
 *             self.match(yield_match, expression, vars, evaluation, fully=fully)
 *         except StopGenerator_Pattern as exc:
 */
    __Pyx_XGIVEREF(__pyx_t_4);
    __Pyx_XGIVEREF(__pyx_t_5);
    __Pyx_XGIVEREF(__pyx_t_6);
    __Pyx_ExceptionReset(__pyx_t_4, __pyx_t_5, __pyx_t_6);
    goto __pyx_L1_error;
    __pyx_L7_except_return:;
    __Pyx_XGIVEREF(__pyx_t_4);
    __Pyx_XGIVEREF(__pyx_t_5);
    __Pyx_XGIVEREF(__pyx_t_6);
    __Pyx_ExceptionReset(__pyx_t_4, __pyx_t_5, __pyx_t_6);
    goto __pyx_L0;
    __pyx_L9_try_end:;
  }

  /* "mathics/core/pattern.py":87
 *         except StopGenerator_Pattern as exc:
 *             return exc.value
 *         return False             # <<<<<<<<<<<<<<
 * 
 *     def get_name(self):
 */
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(Py_False);
  __pyx_r = Py_False;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":72
 *         return result"""
 * 
 *     def does_match(self, expression, evaluation, vars=None, fully=True):             # <<<<<<<<<<<<<<
 * 
 *         if vars is None:
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.does_match", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_yield_match);
  __Pyx_XDECREF(__pyx_v_exc);
  __Pyx_XDECREF(__pyx_v_vars);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":89
 *         return False
 * 
 *     def get_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_name()
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_5get_name(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_5get_name = {"get_name", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_7Pattern_5get_name, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_5get_name(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_name (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_4get_name(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_4get_name(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_name", 0);

  /* "mathics/core/pattern.py":90
 * 
 *     def get_name(self):
 *         return self.expr.get_name()             # <<<<<<<<<<<<<<
 * 
 *     def is_atom(self):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 90, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_get_name); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 90, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_2) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 90, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":89
 *         return False
 * 
 *     def get_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_name()
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_name", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":92
 *         return self.expr.get_name()
 * 
 *     def is_atom(self):             # <<<<<<<<<<<<<<
 *         return self.expr.is_atom()
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_7is_atom(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_7is_atom = {"is_atom", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_7Pattern_7is_atom, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_7is_atom(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("is_atom (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_6is_atom(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_6is_atom(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("is_atom", 0);

  /* "mathics/core/pattern.py":93
 * 
 *     def is_atom(self):
 *         return self.expr.is_atom()             # <<<<<<<<<<<<<<
 * 
 *     def get_head_name(self):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 93, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_is_atom); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 93, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_2) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 93, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":92
 *         return self.expr.get_name()
 * 
 *     def is_atom(self):             # <<<<<<<<<<<<<<
 *         return self.expr.is_atom()
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.is_atom", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":95
 *         return self.expr.is_atom()
 * 
 *     def get_head_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_head_name()
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_9get_head_name(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_9get_head_name = {"get_head_name", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_7Pattern_9get_head_name, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_9get_head_name(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_head_name (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_8get_head_name(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_8get_head_name(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_head_name", 0);

  /* "mathics/core/pattern.py":96
 * 
 *     def get_head_name(self):
 *         return self.expr.get_head_name()             # <<<<<<<<<<<<<<
 * 
 *     def sameQ(self, other) -> bool:
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 96, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_get_head_name); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 96, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_2) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 96, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":95
 *         return self.expr.is_atom()
 * 
 *     def get_head_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_head_name()
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_head_name", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":98
 *         return self.expr.get_head_name()
 * 
 *     def sameQ(self, other) -> bool:             # <<<<<<<<<<<<<<
 *         """Mathics SameQ"""
 *         return self.expr.sameQ(other.expr)
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_11sameQ(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_7mathics_4core_7pattern_7Pattern_10sameQ[] = "Mathics SameQ";
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_11sameQ = {"sameQ", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_7Pattern_11sameQ, METH_VARARGS|METH_KEYWORDS, __pyx_doc_7mathics_4core_7pattern_7Pattern_10sameQ};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_11sameQ(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_other = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("sameQ (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_other,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_other)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("sameQ", 1, 2, 2, 1); __PYX_ERR(0, 98, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "sameQ") < 0)) __PYX_ERR(0, 98, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_self = values[0];
    __pyx_v_other = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("sameQ", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 98, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.sameQ", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_10sameQ(__pyx_self, __pyx_v_self, __pyx_v_other);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_10sameQ(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_other) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("sameQ", 0);

  /* "mathics/core/pattern.py":100
 *     def sameQ(self, other) -> bool:
 *         """Mathics SameQ"""
 *         return self.expr.sameQ(other.expr)             # <<<<<<<<<<<<<<
 * 
 *     def get_head(self):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 100, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_sameQ); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 100, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_other, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 100, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_4) ? __Pyx_PyObject_Call2Args(__pyx_t_3, __pyx_t_4, __pyx_t_2) : __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2);
  __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 100, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":98
 *         return self.expr.get_head_name()
 * 
 *     def sameQ(self, other) -> bool:             # <<<<<<<<<<<<<<
 *         """Mathics SameQ"""
 *         return self.expr.sameQ(other.expr)
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.sameQ", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":102
 *         return self.expr.sameQ(other.expr)
 * 
 *     def get_head(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_head()
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_13get_head(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_13get_head = {"get_head", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_7Pattern_13get_head, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_13get_head(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_head (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_12get_head(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_12get_head(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_head", 0);

  /* "mathics/core/pattern.py":103
 * 
 *     def get_head(self):
 *         return self.expr.get_head()             # <<<<<<<<<<<<<<
 * 
 *     def get_leaves(self):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 103, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_get_head); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 103, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_2) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 103, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":102
 *         return self.expr.sameQ(other.expr)
 * 
 *     def get_head(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_head()
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_head", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":105
 *         return self.expr.get_head()
 * 
 *     def get_leaves(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_leaves()
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_15get_leaves(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_15get_leaves = {"get_leaves", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_7Pattern_15get_leaves, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_15get_leaves(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_leaves (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_14get_leaves(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_14get_leaves(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_leaves", 0);

  /* "mathics/core/pattern.py":106
 * 
 *     def get_leaves(self):
 *         return self.expr.get_leaves()             # <<<<<<<<<<<<<<
 * 
 *     def get_sort_key(self, pattern_sort=False):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 106, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_get_leaves); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 106, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_2) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 106, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":105
 *         return self.expr.get_head()
 * 
 *     def get_leaves(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_leaves()
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_leaves", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":108
 *         return self.expr.get_leaves()
 * 
 *     def get_sort_key(self, pattern_sort=False):             # <<<<<<<<<<<<<<
 *         return self.expr.get_sort_key(pattern_sort=pattern_sort)
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_17get_sort_key(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_17get_sort_key = {"get_sort_key", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_7Pattern_17get_sort_key, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_17get_sort_key(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_pattern_sort = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_sort_key (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_pattern_sort,0};
    PyObject* values[2] = {0,0};
    values[1] = ((PyObject *)((PyObject *)Py_False));
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_pattern_sort);
          if (value) { values[1] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_sort_key") < 0)) __PYX_ERR(0, 108, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_pattern_sort = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_sort_key", 0, 1, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 108, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_sort_key", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_16get_sort_key(__pyx_self, __pyx_v_self, __pyx_v_pattern_sort);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_16get_sort_key(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_pattern_sort) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_sort_key", 0);

  /* "mathics/core/pattern.py":109
 * 
 *     def get_sort_key(self, pattern_sort=False):
 *         return self.expr.get_sort_key(pattern_sort=pattern_sort)             # <<<<<<<<<<<<<<
 * 
 *     def get_lookup_name(self):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 109, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_get_sort_key); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 109, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_PyDict_NewPresized(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 109, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_t_1, __pyx_n_s_pattern_sort, __pyx_v_pattern_sort) < 0) __PYX_ERR(0, 109, __pyx_L1_error)
  __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_empty_tuple, __pyx_t_1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 109, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_r = __pyx_t_3;
  __pyx_t_3 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":108
 *         return self.expr.get_leaves()
 * 
 *     def get_sort_key(self, pattern_sort=False):             # <<<<<<<<<<<<<<
 *         return self.expr.get_sort_key(pattern_sort=pattern_sort)
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_sort_key", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":111
 *         return self.expr.get_sort_key(pattern_sort=pattern_sort)
 * 
 *     def get_lookup_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_lookup_name()
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_19get_lookup_name(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_19get_lookup_name = {"get_lookup_name", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_7Pattern_19get_lookup_name, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_19get_lookup_name(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_lookup_name (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_18get_lookup_name(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_18get_lookup_name(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_lookup_name", 0);

  /* "mathics/core/pattern.py":112
 * 
 *     def get_lookup_name(self):
 *         return self.expr.get_lookup_name()             # <<<<<<<<<<<<<<
 * 
 *     def get_attributes(self, definitions):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 112, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_get_lookup_name); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 112, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_2) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 112, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":111
 *         return self.expr.get_sort_key(pattern_sort=pattern_sort)
 * 
 *     def get_lookup_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_lookup_name()
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_lookup_name", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":114
 *         return self.expr.get_lookup_name()
 * 
 *     def get_attributes(self, definitions):             # <<<<<<<<<<<<<<
 *         return self.expr.get_attributes(definitions)
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_21get_attributes(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_21get_attributes = {"get_attributes", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_7Pattern_21get_attributes, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_21get_attributes(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_definitions = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_attributes (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_definitions,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_definitions)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_attributes", 1, 2, 2, 1); __PYX_ERR(0, 114, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_attributes") < 0)) __PYX_ERR(0, 114, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_self = values[0];
    __pyx_v_definitions = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_attributes", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 114, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_attributes", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_20get_attributes(__pyx_self, __pyx_v_self, __pyx_v_definitions);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_20get_attributes(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_definitions) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_attributes", 0);

  /* "mathics/core/pattern.py":115
 * 
 *     def get_attributes(self, definitions):
 *         return self.expr.get_attributes(definitions)             # <<<<<<<<<<<<<<
 * 
 *     def get_sequence(self):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 115, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_get_attributes); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 115, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_2) ? __Pyx_PyObject_Call2Args(__pyx_t_3, __pyx_t_2, __pyx_v_definitions) : __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_v_definitions);
  __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 115, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":114
 *         return self.expr.get_lookup_name()
 * 
 *     def get_attributes(self, definitions):             # <<<<<<<<<<<<<<
 *         return self.expr.get_attributes(definitions)
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_attributes", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":117
 *         return self.expr.get_attributes(definitions)
 * 
 *     def get_sequence(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_sequence()
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_23get_sequence(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_23get_sequence = {"get_sequence", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_7Pattern_23get_sequence, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_23get_sequence(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_sequence (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_22get_sequence(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_22get_sequence(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_sequence", 0);

  /* "mathics/core/pattern.py":118
 * 
 *     def get_sequence(self):
 *         return self.expr.get_sequence()             # <<<<<<<<<<<<<<
 * 
 *     def get_option_values(self):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 118, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_get_sequence); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 118, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_2) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 118, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":117
 *         return self.expr.get_attributes(definitions)
 * 
 *     def get_sequence(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_sequence()
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_sequence", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":120
 *         return self.expr.get_sequence()
 * 
 *     def get_option_values(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_option_values()
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_25get_option_values(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_25get_option_values = {"get_option_values", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_7Pattern_25get_option_values, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_25get_option_values(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_option_values (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_24get_option_values(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_24get_option_values(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_option_values", 0);

  /* "mathics/core/pattern.py":121
 * 
 *     def get_option_values(self):
 *         return self.expr.get_option_values()             # <<<<<<<<<<<<<<
 * 
 *     def has_form(self, *args):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 121, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_get_option_values); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 121, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_2) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 121, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":120
 *         return self.expr.get_sequence()
 * 
 *     def get_option_values(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_option_values()
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_option_values", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":123
 *         return self.expr.get_option_values()
 * 
 *     def has_form(self, *args):             # <<<<<<<<<<<<<<
 *         return self.expr.has_form(*args)
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_27has_form(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_27has_form = {"has_form", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_7Pattern_27has_form, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_27has_form(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_args = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("has_form (wrapper)", 0);
  if (PyTuple_GET_SIZE(__pyx_args) > 1) {
    __pyx_v_args = PyTuple_GetSlice(__pyx_args, 1, PyTuple_GET_SIZE(__pyx_args));
    if (unlikely(!__pyx_v_args)) {
      __Pyx_RefNannyFinishContext();
      return NULL;
    }
    __Pyx_GOTREF(__pyx_v_args);
  } else {
    __pyx_v_args = __pyx_empty_tuple; __Pyx_INCREF(__pyx_empty_tuple);
  }
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,0};
    PyObject* values[1] = {0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        default:
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
      }
      if (unlikely(kw_args > 0)) {
        const Py_ssize_t used_pos_args = (pos_args < 1) ? pos_args : 1;
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, used_pos_args, "has_form") < 0)) __PYX_ERR(0, 123, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) < 1) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
    }
    __pyx_v_self = values[0];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("has_form", 0, 1, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 123, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_DECREF(__pyx_v_args); __pyx_v_args = 0;
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.has_form", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_26has_form(__pyx_self, __pyx_v_self, __pyx_v_args);

  /* function exit code */
  __Pyx_XDECREF(__pyx_v_args);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_26has_form(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_args) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("has_form", 0);

  /* "mathics/core/pattern.py":124
 * 
 *     def has_form(self, *args):
 *         return self.expr.has_form(*args)             # <<<<<<<<<<<<<<
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 124, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_has_form); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 124, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_v_args, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 124, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":123
 *         return self.expr.get_option_values()
 * 
 *     def has_form(self, *args):             # <<<<<<<<<<<<<<
 *         return self.expr.has_form(*args)
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.has_form", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":126
 *         return self.expr.has_form(*args)
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         return []
 * 
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_2__defaults__(CYTHON_UNUSED PyObject *__pyx_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__defaults__", 0);
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 126, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__Pyx_CyFunction_Defaults(__pyx_defaults, __pyx_self)->__pyx_arg_vars);
  __Pyx_GIVEREF(__Pyx_CyFunction_Defaults(__pyx_defaults, __pyx_self)->__pyx_arg_vars);
  PyTuple_SET_ITEM(__pyx_t_1, 0, __Pyx_CyFunction_Defaults(__pyx_defaults, __pyx_self)->__pyx_arg_vars);
  __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 126, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
  __Pyx_INCREF(Py_None);
  __Pyx_GIVEREF(Py_None);
  PyTuple_SET_ITEM(__pyx_t_2, 1, Py_None);
  __pyx_t_1 = 0;
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("mathics.core.pattern.__defaults__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_29get_match_candidates(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_29get_match_candidates = {"get_match_candidates", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_7Pattern_29get_match_candidates, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_29get_match_candidates(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  CYTHON_UNUSED PyObject *__pyx_v_self = 0;
  CYTHON_UNUSED PyObject *__pyx_v_leaves = 0;
  CYTHON_UNUSED PyObject *__pyx_v_expression = 0;
  CYTHON_UNUSED PyObject *__pyx_v_attributes = 0;
  CYTHON_UNUSED PyObject *__pyx_v_evaluation = 0;
  CYTHON_UNUSED PyObject *__pyx_v_vars = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_match_candidates (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_leaves,&__pyx_n_s_expression,&__pyx_n_s_attributes,&__pyx_n_s_evaluation,&__pyx_n_s_vars,0};
    PyObject* values[6] = {0,0,0,0,0,0};
    __pyx_defaults *__pyx_dynamic_args = __Pyx_CyFunction_Defaults(__pyx_defaults, __pyx_self);
    values[5] = __pyx_dynamic_args->__pyx_arg_vars;
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaves)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 1); __PYX_ERR(0, 126, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 2); __PYX_ERR(0, 126, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_attributes)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 3); __PYX_ERR(0, 126, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_evaluation)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 4); __PYX_ERR(0, 126, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  5:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars);
          if (value) { values[5] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_match_candidates") < 0)) __PYX_ERR(0, 126, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_leaves = values[1];
    __pyx_v_expression = values[2];
    __pyx_v_attributes = values[3];
    __pyx_v_evaluation = values[4];
    __pyx_v_vars = values[5];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 126, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_match_candidates", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_28get_match_candidates(__pyx_self, __pyx_v_self, __pyx_v_leaves, __pyx_v_expression, __pyx_v_attributes, __pyx_v_evaluation, __pyx_v_vars);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_28get_match_candidates(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_leaves, CYTHON_UNUSED PyObject *__pyx_v_expression, CYTHON_UNUSED PyObject *__pyx_v_attributes, CYTHON_UNUSED PyObject *__pyx_v_evaluation, CYTHON_UNUSED PyObject *__pyx_v_vars) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_match_candidates", 0);

  /* "mathics/core/pattern.py":127
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):
 *         return []             # <<<<<<<<<<<<<<
 * 
 *     def get_match_candidates_count(
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 127, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":126
 *         return self.expr.has_form(*args)
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         return []
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_match_candidates", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":129
 *         return []
 * 
 *     def get_match_candidates_count(             # <<<<<<<<<<<<<<
 *         self, leaves, expression, attributes, evaluation, vars={}
 *     ):
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_4__defaults__(CYTHON_UNUSED PyObject *__pyx_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__defaults__", 0);
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 129, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__Pyx_CyFunction_Defaults(__pyx_defaults1, __pyx_self)->__pyx_arg_vars);
  __Pyx_GIVEREF(__Pyx_CyFunction_Defaults(__pyx_defaults1, __pyx_self)->__pyx_arg_vars);
  PyTuple_SET_ITEM(__pyx_t_1, 0, __Pyx_CyFunction_Defaults(__pyx_defaults1, __pyx_self)->__pyx_arg_vars);
  __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 129, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
  __Pyx_INCREF(Py_None);
  __Pyx_GIVEREF(Py_None);
  PyTuple_SET_ITEM(__pyx_t_2, 1, Py_None);
  __pyx_t_1 = 0;
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("mathics.core.pattern.__defaults__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_31get_match_candidates_count(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_7Pattern_31get_match_candidates_count = {"get_match_candidates_count", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_7Pattern_31get_match_candidates_count, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_7Pattern_31get_match_candidates_count(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_leaves = 0;
  PyObject *__pyx_v_expression = 0;
  PyObject *__pyx_v_attributes = 0;
  PyObject *__pyx_v_evaluation = 0;
  PyObject *__pyx_v_vars = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_match_candidates_count (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_leaves,&__pyx_n_s_expression,&__pyx_n_s_attributes,&__pyx_n_s_evaluation,&__pyx_n_s_vars,0};
    PyObject* values[6] = {0,0,0,0,0,0};
    __pyx_defaults1 *__pyx_dynamic_args = __Pyx_CyFunction_Defaults(__pyx_defaults1, __pyx_self);
    values[5] = __pyx_dynamic_args->__pyx_arg_vars;
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaves)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates_count", 0, 5, 6, 1); __PYX_ERR(0, 129, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates_count", 0, 5, 6, 2); __PYX_ERR(0, 129, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_attributes)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates_count", 0, 5, 6, 3); __PYX_ERR(0, 129, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_evaluation)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates_count", 0, 5, 6, 4); __PYX_ERR(0, 129, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  5:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars);
          if (value) { values[5] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_match_candidates_count") < 0)) __PYX_ERR(0, 129, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_leaves = values[1];
    __pyx_v_expression = values[2];
    __pyx_v_attributes = values[3];
    __pyx_v_evaluation = values[4];
    __pyx_v_vars = values[5];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_match_candidates_count", 0, 5, 6, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 129, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_match_candidates_count", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_7Pattern_30get_match_candidates_count(__pyx_self, __pyx_v_self, __pyx_v_leaves, __pyx_v_expression, __pyx_v_attributes, __pyx_v_evaluation, __pyx_v_vars);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_7Pattern_30get_match_candidates_count(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_leaves, PyObject *__pyx_v_expression, PyObject *__pyx_v_attributes, PyObject *__pyx_v_evaluation, PyObject *__pyx_v_vars) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_t_4;
  PyObject *__pyx_t_5 = NULL;
  Py_ssize_t __pyx_t_6;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_match_candidates_count", 0);

  /* "mathics/core/pattern.py":132
 *         self, leaves, expression, attributes, evaluation, vars={}
 *     ):
 *         return len(             # <<<<<<<<<<<<<<
 *             self.get_match_candidates(leaves, expression, attributes, evaluation, vars)
 *         )
 */
  __Pyx_XDECREF(__pyx_r);

  /* "mathics/core/pattern.py":133
 *     ):
 *         return len(
 *             self.get_match_candidates(leaves, expression, attributes, evaluation, vars)             # <<<<<<<<<<<<<<
 *         )
 * 
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_get_match_candidates); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 133, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = NULL;
  __pyx_t_4 = 0;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
      __pyx_t_4 = 1;
    }
  }
  #if CYTHON_FAST_PYCALL
  if (PyFunction_Check(__pyx_t_2)) {
    PyObject *__pyx_temp[6] = {__pyx_t_3, __pyx_v_leaves, __pyx_v_expression, __pyx_v_attributes, __pyx_v_evaluation, __pyx_v_vars};
    __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_2, __pyx_temp+1-__pyx_t_4, 5+__pyx_t_4); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 133, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_GOTREF(__pyx_t_1);
  } else
  #endif
  #if CYTHON_FAST_PYCCALL
  if (__Pyx_PyFastCFunction_Check(__pyx_t_2)) {
    PyObject *__pyx_temp[6] = {__pyx_t_3, __pyx_v_leaves, __pyx_v_expression, __pyx_v_attributes, __pyx_v_evaluation, __pyx_v_vars};
    __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_2, __pyx_temp+1-__pyx_t_4, 5+__pyx_t_4); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 133, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_GOTREF(__pyx_t_1);
  } else
  #endif
  {
    __pyx_t_5 = PyTuple_New(5+__pyx_t_4); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 133, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    if (__pyx_t_3) {
      __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_3); __pyx_t_3 = NULL;
    }
    __Pyx_INCREF(__pyx_v_leaves);
    __Pyx_GIVEREF(__pyx_v_leaves);
    PyTuple_SET_ITEM(__pyx_t_5, 0+__pyx_t_4, __pyx_v_leaves);
    __Pyx_INCREF(__pyx_v_expression);
    __Pyx_GIVEREF(__pyx_v_expression);
    PyTuple_SET_ITEM(__pyx_t_5, 1+__pyx_t_4, __pyx_v_expression);
    __Pyx_INCREF(__pyx_v_attributes);
    __Pyx_GIVEREF(__pyx_v_attributes);
    PyTuple_SET_ITEM(__pyx_t_5, 2+__pyx_t_4, __pyx_v_attributes);
    __Pyx_INCREF(__pyx_v_evaluation);
    __Pyx_GIVEREF(__pyx_v_evaluation);
    PyTuple_SET_ITEM(__pyx_t_5, 3+__pyx_t_4, __pyx_v_evaluation);
    __Pyx_INCREF(__pyx_v_vars);
    __Pyx_GIVEREF(__pyx_v_vars);
    PyTuple_SET_ITEM(__pyx_t_5, 4+__pyx_t_4, __pyx_v_vars);
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_5, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 133, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  }
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":132
 *         self, leaves, expression, attributes, evaluation, vars={}
 *     ):
 *         return len(             # <<<<<<<<<<<<<<
 *             self.get_match_candidates(leaves, expression, attributes, evaluation, vars)
 *         )
 */
  __pyx_t_6 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_6 == ((Py_ssize_t)-1))) __PYX_ERR(0, 132, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_6); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 132, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":129
 *         return []
 * 
 *     def get_match_candidates_count(             # <<<<<<<<<<<<<<
 *         self, leaves, expression, attributes, evaluation, vars={}
 *     ):
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_AddTraceback("mathics.core.pattern.Pattern.get_match_candidates_count", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":138
 * 
 * class AtomPattern(Pattern):
 *     def __init__(self, expr):             # <<<<<<<<<<<<<<
 *         self.atom = expr
 *         self.expr = expr
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_11AtomPattern_1__init__(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_11AtomPattern_1__init__ = {"__init__", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_11AtomPattern_1__init__, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_11AtomPattern_1__init__(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_expr = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__init__ (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_expr,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expr)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("__init__", 1, 2, 2, 1); __PYX_ERR(0, 138, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__init__") < 0)) __PYX_ERR(0, 138, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_self = values[0];
    __pyx_v_expr = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("__init__", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 138, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.AtomPattern.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_11AtomPattern___init__(__pyx_self, __pyx_v_self, __pyx_v_expr);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_11AtomPattern___init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_expr) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__init__", 0);

  /* "mathics/core/pattern.py":139
 * class AtomPattern(Pattern):
 *     def __init__(self, expr):
 *         self.atom = expr             # <<<<<<<<<<<<<<
 *         self.expr = expr
 * 
 */
  if (__Pyx_PyObject_SetAttrStr(__pyx_v_self, __pyx_n_s_atom, __pyx_v_expr) < 0) __PYX_ERR(0, 139, __pyx_L1_error)

  /* "mathics/core/pattern.py":140
 *     def __init__(self, expr):
 *         self.atom = expr
 *         self.expr = expr             # <<<<<<<<<<<<<<
 * 
 *     def __repr__(self):
 */
  if (__Pyx_PyObject_SetAttrStr(__pyx_v_self, __pyx_n_s_expr, __pyx_v_expr) < 0) __PYX_ERR(0, 140, __pyx_L1_error)

  /* "mathics/core/pattern.py":138
 * 
 * class AtomPattern(Pattern):
 *     def __init__(self, expr):             # <<<<<<<<<<<<<<
 *         self.atom = expr
 *         self.expr = expr
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_AddTraceback("mathics.core.pattern.AtomPattern.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":142
 *         self.expr = expr
 * 
 *     def __repr__(self):             # <<<<<<<<<<<<<<
 *         return "<AtomPattern: %s>" % self.atom
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_11AtomPattern_3__repr__(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_11AtomPattern_3__repr__ = {"__repr__", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_11AtomPattern_3__repr__, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_11AtomPattern_3__repr__(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__repr__ (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_11AtomPattern_2__repr__(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_11AtomPattern_2__repr__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__repr__", 0);

  /* "mathics/core/pattern.py":143
 * 
 *     def __repr__(self):
 *         return "<AtomPattern: %s>" % self.atom             # <<<<<<<<<<<<<<
 * 
 *     def match(
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_atom); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 143, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyUnicode_FormatSafe(__pyx_kp_u_AtomPattern_s, __pyx_t_1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 143, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":142
 *         self.expr = expr
 * 
 *     def __repr__(self):             # <<<<<<<<<<<<<<
 *         return "<AtomPattern: %s>" % self.atom
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("mathics.core.pattern.AtomPattern.__repr__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":145
 *         return "<AtomPattern: %s>" % self.atom
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_11AtomPattern_5match(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_11AtomPattern_5match = {"match", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_11AtomPattern_5match, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_11AtomPattern_5match(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_yield_func = 0;
  PyObject *__pyx_v_expression = 0;
  PyObject *__pyx_v_vars = 0;
  CYTHON_UNUSED PyObject *__pyx_v_evaluation = 0;
  CYTHON_UNUSED PyObject *__pyx_v_head = 0;
  CYTHON_UNUSED PyObject *__pyx_v_leaf_index = 0;
  CYTHON_UNUSED PyObject *__pyx_v_leaf_count = 0;
  CYTHON_UNUSED PyObject *__pyx_v_fully = 0;
  CYTHON_UNUSED PyObject *__pyx_v_wrap_oneid = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("match (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_yield_func,&__pyx_n_s_expression,&__pyx_n_s_vars,&__pyx_n_s_evaluation,&__pyx_n_s_head,&__pyx_n_s_leaf_index,&__pyx_n_s_leaf_count,&__pyx_n_s_fully,&__pyx_n_s_wrap_oneid,0};
    PyObject* values[10] = {0,0,0,0,0,0,0,0,0,0};

    /* "mathics/core/pattern.py":151
 *         vars,
 *         evaluation,
 *         head=None,             # <<<<<<<<<<<<<<
 *         leaf_index=None,
 *         leaf_count=None,
 */
    values[5] = ((PyObject *)((PyObject *)Py_None));

    /* "mathics/core/pattern.py":152
 *         evaluation,
 *         head=None,
 *         leaf_index=None,             # <<<<<<<<<<<<<<
 *         leaf_count=None,
 *         fully=True,
 */
    values[6] = ((PyObject *)((PyObject *)Py_None));

    /* "mathics/core/pattern.py":153
 *         head=None,
 *         leaf_index=None,
 *         leaf_count=None,             # <<<<<<<<<<<<<<
 *         fully=True,
 *         wrap_oneid=True,
 */
    values[7] = ((PyObject *)((PyObject *)Py_None));

    /* "mathics/core/pattern.py":154
 *         leaf_index=None,
 *         leaf_count=None,
 *         fully=True,             # <<<<<<<<<<<<<<
 *         wrap_oneid=True,
 *     ):
 */
    values[8] = ((PyObject *)((PyObject *)Py_True));

    /* "mathics/core/pattern.py":155
 *         leaf_count=None,
 *         fully=True,
 *         wrap_oneid=True,             # <<<<<<<<<<<<<<
 *     ):
 *         if expression.sameQ(self.atom):
 */
    values[9] = ((PyObject *)((PyObject *)Py_True));
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case 10: values[9] = PyTuple_GET_ITEM(__pyx_args, 9);
        CYTHON_FALLTHROUGH;
        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
        CYTHON_FALLTHROUGH;
        case  8: values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
        CYTHON_FALLTHROUGH;
        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
        CYTHON_FALLTHROUGH;
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_yield_func)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 1); __PYX_ERR(0, 145, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 2); __PYX_ERR(0, 145, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 3); __PYX_ERR(0, 145, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_evaluation)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 4); __PYX_ERR(0, 145, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  5:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_head);
          if (value) { values[5] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  6:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaf_index);
          if (value) { values[6] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  7:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaf_count);
          if (value) { values[7] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  8:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_fully);
          if (value) { values[8] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  9:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_wrap_oneid);
          if (value) { values[9] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "match") < 0)) __PYX_ERR(0, 145, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case 10: values[9] = PyTuple_GET_ITEM(__pyx_args, 9);
        CYTHON_FALLTHROUGH;
        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
        CYTHON_FALLTHROUGH;
        case  8: values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
        CYTHON_FALLTHROUGH;
        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
        CYTHON_FALLTHROUGH;
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_yield_func = values[1];
    __pyx_v_expression = values[2];
    __pyx_v_vars = values[3];
    __pyx_v_evaluation = values[4];
    __pyx_v_head = values[5];
    __pyx_v_leaf_index = values[6];
    __pyx_v_leaf_count = values[7];
    __pyx_v_fully = values[8];
    __pyx_v_wrap_oneid = values[9];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 145, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.AtomPattern.match", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_11AtomPattern_4match(__pyx_self, __pyx_v_self, __pyx_v_yield_func, __pyx_v_expression, __pyx_v_vars, __pyx_v_evaluation, __pyx_v_head, __pyx_v_leaf_index, __pyx_v_leaf_count, __pyx_v_fully, __pyx_v_wrap_oneid);

  /* "mathics/core/pattern.py":145
 *         return "<AtomPattern: %s>" % self.atom
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_11AtomPattern_4match(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_yield_func, PyObject *__pyx_v_expression, PyObject *__pyx_v_vars, CYTHON_UNUSED PyObject *__pyx_v_evaluation, CYTHON_UNUSED PyObject *__pyx_v_head, CYTHON_UNUSED PyObject *__pyx_v_leaf_index, CYTHON_UNUSED PyObject *__pyx_v_leaf_count, CYTHON_UNUSED PyObject *__pyx_v_fully, CYTHON_UNUSED PyObject *__pyx_v_wrap_oneid) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  int __pyx_t_5;
  int __pyx_t_6;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("match", 0);

  /* "mathics/core/pattern.py":157
 *         wrap_oneid=True,
 *     ):
 *         if expression.sameQ(self.atom):             # <<<<<<<<<<<<<<
 *             # yield vars, None
 *             yield_func(vars, None)
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_expression, __pyx_n_s_sameQ); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 157, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_atom); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 157, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_4 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
    }
  }
  __pyx_t_1 = (__pyx_t_4) ? __Pyx_PyObject_Call2Args(__pyx_t_2, __pyx_t_4, __pyx_t_3) : __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 157, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_5 < 0)) __PYX_ERR(0, 157, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  if (__pyx_t_5) {

    /* "mathics/core/pattern.py":159
 *         if expression.sameQ(self.atom):
 *             # yield vars, None
 *             yield_func(vars, None)             # <<<<<<<<<<<<<<
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):
 */
    __Pyx_INCREF(__pyx_v_yield_func);
    __pyx_t_2 = __pyx_v_yield_func; __pyx_t_3 = NULL;
    __pyx_t_6 = 0;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_2))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_2, function);
        __pyx_t_6 = 1;
      }
    }
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_2)) {
      PyObject *__pyx_temp[3] = {__pyx_t_3, __pyx_v_vars, Py_None};
      __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_2, __pyx_temp+1-__pyx_t_6, 2+__pyx_t_6); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 159, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_GOTREF(__pyx_t_1);
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_2)) {
      PyObject *__pyx_temp[3] = {__pyx_t_3, __pyx_v_vars, Py_None};
      __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_2, __pyx_temp+1-__pyx_t_6, 2+__pyx_t_6); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 159, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_GOTREF(__pyx_t_1);
    } else
    #endif
    {
      __pyx_t_4 = PyTuple_New(2+__pyx_t_6); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 159, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      if (__pyx_t_3) {
        __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_3); __pyx_t_3 = NULL;
      }
      __Pyx_INCREF(__pyx_v_vars);
      __Pyx_GIVEREF(__pyx_v_vars);
      PyTuple_SET_ITEM(__pyx_t_4, 0+__pyx_t_6, __pyx_v_vars);
      __Pyx_INCREF(Py_None);
      __Pyx_GIVEREF(Py_None);
      PyTuple_SET_ITEM(__pyx_t_4, 1+__pyx_t_6, Py_None);
      __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_4, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 159, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    }
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

    /* "mathics/core/pattern.py":157
 *         wrap_oneid=True,
 *     ):
 *         if expression.sameQ(self.atom):             # <<<<<<<<<<<<<<
 *             # yield vars, None
 *             yield_func(vars, None)
 */
  }

  /* "mathics/core/pattern.py":145
 *         return "<AtomPattern: %s>" % self.atom
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_AddTraceback("mathics.core.pattern.AtomPattern.match", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":161
 *             yield_func(vars, None)
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         return [leaf for leaf in leaves if leaf.sameQ(self.atom)]
 * 
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_6__defaults__(CYTHON_UNUSED PyObject *__pyx_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__defaults__", 0);
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 161, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__Pyx_CyFunction_Defaults(__pyx_defaults2, __pyx_self)->__pyx_arg_vars);
  __Pyx_GIVEREF(__Pyx_CyFunction_Defaults(__pyx_defaults2, __pyx_self)->__pyx_arg_vars);
  PyTuple_SET_ITEM(__pyx_t_1, 0, __Pyx_CyFunction_Defaults(__pyx_defaults2, __pyx_self)->__pyx_arg_vars);
  __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 161, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
  __Pyx_INCREF(Py_None);
  __Pyx_GIVEREF(Py_None);
  PyTuple_SET_ITEM(__pyx_t_2, 1, Py_None);
  __pyx_t_1 = 0;
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("mathics.core.pattern.__defaults__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_11AtomPattern_7get_match_candidates(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_11AtomPattern_7get_match_candidates = {"get_match_candidates", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_11AtomPattern_7get_match_candidates, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_11AtomPattern_7get_match_candidates(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_leaves = 0;
  CYTHON_UNUSED PyObject *__pyx_v_expression = 0;
  CYTHON_UNUSED PyObject *__pyx_v_attributes = 0;
  CYTHON_UNUSED PyObject *__pyx_v_evaluation = 0;
  CYTHON_UNUSED PyObject *__pyx_v_vars = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_match_candidates (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_leaves,&__pyx_n_s_expression,&__pyx_n_s_attributes,&__pyx_n_s_evaluation,&__pyx_n_s_vars,0};
    PyObject* values[6] = {0,0,0,0,0,0};
    __pyx_defaults2 *__pyx_dynamic_args = __Pyx_CyFunction_Defaults(__pyx_defaults2, __pyx_self);
    values[5] = __pyx_dynamic_args->__pyx_arg_vars;
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaves)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 1); __PYX_ERR(0, 161, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 2); __PYX_ERR(0, 161, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_attributes)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 3); __PYX_ERR(0, 161, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_evaluation)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 4); __PYX_ERR(0, 161, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  5:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars);
          if (value) { values[5] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_match_candidates") < 0)) __PYX_ERR(0, 161, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_leaves = values[1];
    __pyx_v_expression = values[2];
    __pyx_v_attributes = values[3];
    __pyx_v_evaluation = values[4];
    __pyx_v_vars = values[5];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 161, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.AtomPattern.get_match_candidates", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_11AtomPattern_6get_match_candidates(__pyx_self, __pyx_v_self, __pyx_v_leaves, __pyx_v_expression, __pyx_v_attributes, __pyx_v_evaluation, __pyx_v_vars);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_11AtomPattern_6get_match_candidates(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_leaves, CYTHON_UNUSED PyObject *__pyx_v_expression, CYTHON_UNUSED PyObject *__pyx_v_attributes, CYTHON_UNUSED PyObject *__pyx_v_evaluation, CYTHON_UNUSED PyObject *__pyx_v_vars) {
  PyObject *__pyx_7genexpr__pyx_v_leaf = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  Py_ssize_t __pyx_t_3;
  PyObject *(*__pyx_t_4)(PyObject *);
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  int __pyx_t_9;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_match_candidates", 0);

  /* "mathics/core/pattern.py":162
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):
 *         return [leaf for leaf in leaves if leaf.sameQ(self.atom)]             # <<<<<<<<<<<<<<
 * 
 *     def get_match_count(self, vars={}):
 */
  __Pyx_XDECREF(__pyx_r);
  { /* enter inner scope */
    __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 162, __pyx_L5_error)
    __Pyx_GOTREF(__pyx_t_1);
    if (likely(PyList_CheckExact(__pyx_v_leaves)) || PyTuple_CheckExact(__pyx_v_leaves)) {
      __pyx_t_2 = __pyx_v_leaves; __Pyx_INCREF(__pyx_t_2); __pyx_t_3 = 0;
      __pyx_t_4 = NULL;
    } else {
      __pyx_t_3 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_leaves); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 162, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_2);
      __pyx_t_4 = Py_TYPE(__pyx_t_2)->tp_iternext; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 162, __pyx_L5_error)
    }
    for (;;) {
      if (likely(!__pyx_t_4)) {
        if (likely(PyList_CheckExact(__pyx_t_2))) {
          if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_2)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_5 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++; if (unlikely(0 < 0)) __PYX_ERR(0, 162, __pyx_L5_error)
          #else
          __pyx_t_5 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 162, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_5);
          #endif
        } else {
          if (__pyx_t_3 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++; if (unlikely(0 < 0)) __PYX_ERR(0, 162, __pyx_L5_error)
          #else
          __pyx_t_5 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 162, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_5);
          #endif
        }
      } else {
        __pyx_t_5 = __pyx_t_4(__pyx_t_2);
        if (unlikely(!__pyx_t_5)) {
          PyObject* exc_type = PyErr_Occurred();
          if (exc_type) {
            if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
            else __PYX_ERR(0, 162, __pyx_L5_error)
          }
          break;
        }
        __Pyx_GOTREF(__pyx_t_5);
      }
      __Pyx_XDECREF_SET(__pyx_7genexpr__pyx_v_leaf, __pyx_t_5);
      __pyx_t_5 = 0;
      __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_7genexpr__pyx_v_leaf, __pyx_n_s_sameQ); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 162, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_6);
      __pyx_t_7 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_atom); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 162, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_7);
      __pyx_t_8 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_6))) {
        __pyx_t_8 = PyMethod_GET_SELF(__pyx_t_6);
        if (likely(__pyx_t_8)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
          __Pyx_INCREF(__pyx_t_8);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_6, function);
        }
      }
      __pyx_t_5 = (__pyx_t_8) ? __Pyx_PyObject_Call2Args(__pyx_t_6, __pyx_t_8, __pyx_t_7) : __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_t_7);
      __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
      if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 162, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_9 < 0)) __PYX_ERR(0, 162, __pyx_L5_error)
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      if (__pyx_t_9) {
        if (unlikely(__Pyx_ListComp_Append(__pyx_t_1, (PyObject*)__pyx_7genexpr__pyx_v_leaf))) __PYX_ERR(0, 162, __pyx_L5_error)
      }
    }
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_XDECREF(__pyx_7genexpr__pyx_v_leaf); __pyx_7genexpr__pyx_v_leaf = 0;
    goto __pyx_L9_exit_scope;
    __pyx_L5_error:;
    __Pyx_XDECREF(__pyx_7genexpr__pyx_v_leaf); __pyx_7genexpr__pyx_v_leaf = 0;
    goto __pyx_L1_error;
    __pyx_L9_exit_scope:;
  } /* exit inner scope */
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":161
 *             yield_func(vars, None)
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         return [leaf for leaf in leaves if leaf.sameQ(self.atom)]
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_AddTraceback("mathics.core.pattern.AtomPattern.get_match_candidates", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_7genexpr__pyx_v_leaf);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":164
 *         return [leaf for leaf in leaves if leaf.sameQ(self.atom)]
 * 
 *     def get_match_count(self, vars={}):             # <<<<<<<<<<<<<<
 *         return (1, 1)
 * 
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_8__defaults__(CYTHON_UNUSED PyObject *__pyx_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__defaults__", 0);
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 164, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__Pyx_CyFunction_Defaults(__pyx_defaults3, __pyx_self)->__pyx_arg_vars);
  __Pyx_GIVEREF(__Pyx_CyFunction_Defaults(__pyx_defaults3, __pyx_self)->__pyx_arg_vars);
  PyTuple_SET_ITEM(__pyx_t_1, 0, __Pyx_CyFunction_Defaults(__pyx_defaults3, __pyx_self)->__pyx_arg_vars);
  __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 164, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
  __Pyx_INCREF(Py_None);
  __Pyx_GIVEREF(Py_None);
  PyTuple_SET_ITEM(__pyx_t_2, 1, Py_None);
  __pyx_t_1 = 0;
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("mathics.core.pattern.__defaults__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_11AtomPattern_9get_match_count(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_11AtomPattern_9get_match_count = {"get_match_count", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_11AtomPattern_9get_match_count, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_11AtomPattern_9get_match_count(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  CYTHON_UNUSED PyObject *__pyx_v_self = 0;
  CYTHON_UNUSED PyObject *__pyx_v_vars = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_match_count (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_vars,0};
    PyObject* values[2] = {0,0};
    __pyx_defaults3 *__pyx_dynamic_args = __Pyx_CyFunction_Defaults(__pyx_defaults3, __pyx_self);
    values[1] = __pyx_dynamic_args->__pyx_arg_vars;
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars);
          if (value) { values[1] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_match_count") < 0)) __PYX_ERR(0, 164, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_vars = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_match_count", 0, 1, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 164, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.AtomPattern.get_match_count", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_11AtomPattern_8get_match_count(__pyx_self, __pyx_v_self, __pyx_v_vars);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_11AtomPattern_8get_match_count(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_vars) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_match_count", 0);

  /* "mathics/core/pattern.py":165
 * 
 *     def get_match_count(self, vars={}):
 *         return (1, 1)             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(__pyx_tuple__3);
  __pyx_r = __pyx_tuple__3;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":164
 *         return [leaf for leaf in leaves if leaf.sameQ(self.atom)]
 * 
 *     def get_match_count(self, vars={}):             # <<<<<<<<<<<<<<
 *         return (1, 1)
 * 
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":176
 *     # match = pattern_nocython.match
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_1match(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_1match = {"match", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_1match, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_1match(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_yield_func = 0;
  PyObject *__pyx_v_expression = 0;
  PyObject *__pyx_v_vars = 0;
  PyObject *__pyx_v_evaluation = 0;
  CYTHON_UNUSED PyObject *__pyx_v_head = 0;
  CYTHON_UNUSED PyObject *__pyx_v_leaf_index = 0;
  CYTHON_UNUSED PyObject *__pyx_v_leaf_count = 0;
  PyObject *__pyx_v_fully = 0;
  PyObject *__pyx_v_wrap_oneid = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("match (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_yield_func,&__pyx_n_s_expression,&__pyx_n_s_vars,&__pyx_n_s_evaluation,&__pyx_n_s_head,&__pyx_n_s_leaf_index,&__pyx_n_s_leaf_count,&__pyx_n_s_fully,&__pyx_n_s_wrap_oneid,0};
    PyObject* values[10] = {0,0,0,0,0,0,0,0,0,0};

    /* "mathics/core/pattern.py":182
 *         vars,
 *         evaluation,
 *         head=None,             # <<<<<<<<<<<<<<
 *         leaf_index=None,
 *         leaf_count=None,
 */
    values[5] = ((PyObject *)((PyObject *)Py_None));

    /* "mathics/core/pattern.py":183
 *         evaluation,
 *         head=None,
 *         leaf_index=None,             # <<<<<<<<<<<<<<
 *         leaf_count=None,
 *         fully=True,
 */
    values[6] = ((PyObject *)((PyObject *)Py_None));

    /* "mathics/core/pattern.py":184
 *         head=None,
 *         leaf_index=None,
 *         leaf_count=None,             # <<<<<<<<<<<<<<
 *         fully=True,
 *         wrap_oneid=True,
 */
    values[7] = ((PyObject *)((PyObject *)Py_None));

    /* "mathics/core/pattern.py":185
 *         leaf_index=None,
 *         leaf_count=None,
 *         fully=True,             # <<<<<<<<<<<<<<
 *         wrap_oneid=True,
 *     ):
 */
    values[8] = ((PyObject *)((PyObject *)Py_True));

    /* "mathics/core/pattern.py":186
 *         leaf_count=None,
 *         fully=True,
 *         wrap_oneid=True,             # <<<<<<<<<<<<<<
 *     ):
 *         evaluation.check_stopped()
 */
    values[9] = ((PyObject *)((PyObject *)Py_True));
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case 10: values[9] = PyTuple_GET_ITEM(__pyx_args, 9);
        CYTHON_FALLTHROUGH;
        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
        CYTHON_FALLTHROUGH;
        case  8: values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
        CYTHON_FALLTHROUGH;
        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
        CYTHON_FALLTHROUGH;
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_yield_func)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 1); __PYX_ERR(0, 176, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 2); __PYX_ERR(0, 176, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 3); __PYX_ERR(0, 176, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_evaluation)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, 4); __PYX_ERR(0, 176, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  5:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_head);
          if (value) { values[5] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  6:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaf_index);
          if (value) { values[6] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  7:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaf_count);
          if (value) { values[7] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  8:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_fully);
          if (value) { values[8] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  9:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_wrap_oneid);
          if (value) { values[9] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "match") < 0)) __PYX_ERR(0, 176, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case 10: values[9] = PyTuple_GET_ITEM(__pyx_args, 9);
        CYTHON_FALLTHROUGH;
        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
        CYTHON_FALLTHROUGH;
        case  8: values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
        CYTHON_FALLTHROUGH;
        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
        CYTHON_FALLTHROUGH;
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_yield_func = values[1];
    __pyx_v_expression = values[2];
    __pyx_v_vars = values[3];
    __pyx_v_evaluation = values[4];
    __pyx_v_head = values[5];
    __pyx_v_leaf_index = values[6];
    __pyx_v_leaf_count = values[7];
    __pyx_v_fully = values[8];
    __pyx_v_wrap_oneid = values[9];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("match", 0, 5, 10, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 176, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_match(__pyx_self, __pyx_v_self, __pyx_v_yield_func, __pyx_v_expression, __pyx_v_vars, __pyx_v_evaluation, __pyx_v_head, __pyx_v_leaf_index, __pyx_v_leaf_count, __pyx_v_fully, __pyx_v_wrap_oneid);

  /* "mathics/core/pattern.py":176
 *     # match = pattern_nocython.match
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":200
 *             #    next_leaves = self.leaves[1:]
 * 
 *             def yield_choice(pre_vars):             # <<<<<<<<<<<<<<
 *                 next_leaf = self.leaves[0]
 *                 next_leaves = self.leaves[1:]
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_5match_1yield_choice(PyObject *__pyx_self, PyObject *__pyx_v_pre_vars); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_5match_1yield_choice = {"yield_choice", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_5match_1yield_choice, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_5match_1yield_choice(PyObject *__pyx_self, PyObject *__pyx_v_pre_vars) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("yield_choice (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_5match_yield_choice(__pyx_self, ((PyObject *)__pyx_v_pre_vars));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_5match_yield_choice(PyObject *__pyx_self, PyObject *__pyx_v_pre_vars) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *__pyx_cur_scope;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *__pyx_outer_scope;
  PyObject *__pyx_v_next_leaf = NULL;
  PyObject *__pyx_v_next_leaves = NULL;
  PyObject *__pyx_v_unmatched_leaves = NULL;
  PyObject *__pyx_v_leading_blanks = NULL;
  PyObject *__pyx_v_leaf = NULL;
  PyObject *__pyx_v_match_count = NULL;
  PyObject *__pyx_v_candidates = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_t_3;
  Py_ssize_t __pyx_t_4;
  PyObject *(*__pyx_t_5)(PyObject *);
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  int __pyx_t_8;
  PyObject *__pyx_t_9 = NULL;
  int __pyx_t_10;
  PyObject *__pyx_t_11 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("yield_choice", 0);
  __pyx_outer_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *) __Pyx_CyFunction_GetClosure(__pyx_self);
  __pyx_cur_scope = __pyx_outer_scope;

  /* "mathics/core/pattern.py":201
 * 
 *             def yield_choice(pre_vars):
 *                 next_leaf = self.leaves[0]             # <<<<<<<<<<<<<<
 *                 next_leaves = self.leaves[1:]
 * 
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); __PYX_ERR(0, 201, __pyx_L1_error) }
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 201, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_1, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 201, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_v_next_leaf = __pyx_t_2;
  __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":202
 *             def yield_choice(pre_vars):
 *                 next_leaf = self.leaves[0]
 *                 next_leaves = self.leaves[1:]             # <<<<<<<<<<<<<<
 * 
 *                 # "leading_blanks" below handles expressions with leading Blanks H[x_, y_, ...]
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); __PYX_ERR(0, 202, __pyx_L1_error) }
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 202, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_1 = __Pyx_PyObject_GetSlice(__pyx_t_2, 1, 0, NULL, NULL, &__pyx_slice__4, 1, 0, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 202, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_v_next_leaves = __pyx_t_1;
  __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":219
 *                 # call to get_match_candidates_count(), which is slow.
 * 
 *                 unmatched_leaves = expression.leaves             # <<<<<<<<<<<<<<
 *                 leading_blanks = "System`Orderless" not in attributes
 * 
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_expression)) { __Pyx_RaiseClosureNameError("expression"); __PYX_ERR(0, 219, __pyx_L1_error) }
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_leaves); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 219, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_v_unmatched_leaves = __pyx_t_1;
  __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":220
 * 
 *                 unmatched_leaves = expression.leaves
 *                 leading_blanks = "System`Orderless" not in attributes             # <<<<<<<<<<<<<<
 * 
 *                 for leaf in self.leaves:
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_attributes)) { __Pyx_RaiseClosureNameError("attributes"); __PYX_ERR(0, 220, __pyx_L1_error) }
  __pyx_t_3 = (__Pyx_PySequence_ContainsTF(__pyx_kp_u_System_Orderless, __pyx_cur_scope->__pyx_v_attributes, Py_NE)); if (unlikely(__pyx_t_3 < 0)) __PYX_ERR(0, 220, __pyx_L1_error)
  __pyx_t_1 = __Pyx_PyBool_FromLong(__pyx_t_3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 220, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_v_leading_blanks = __pyx_t_1;
  __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":222
 *                 leading_blanks = "System`Orderless" not in attributes
 * 
 *                 for leaf in self.leaves:             # <<<<<<<<<<<<<<
 *                     match_count = leaf.get_match_count()
 * 
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); __PYX_ERR(0, 222, __pyx_L1_error) }
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 222, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (likely(PyList_CheckExact(__pyx_t_1)) || PyTuple_CheckExact(__pyx_t_1)) {
    __pyx_t_2 = __pyx_t_1; __Pyx_INCREF(__pyx_t_2); __pyx_t_4 = 0;
    __pyx_t_5 = NULL;
  } else {
    __pyx_t_4 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_t_1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 222, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_5 = Py_TYPE(__pyx_t_2)->tp_iternext; if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 222, __pyx_L1_error)
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  for (;;) {
    if (likely(!__pyx_t_5)) {
      if (likely(PyList_CheckExact(__pyx_t_2))) {
        if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_2)) break;
        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
        __pyx_t_1 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_4); __Pyx_INCREF(__pyx_t_1); __pyx_t_4++; if (unlikely(0 < 0)) __PYX_ERR(0, 222, __pyx_L1_error)
        #else
        __pyx_t_1 = PySequence_ITEM(__pyx_t_2, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 222, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_1);
        #endif
      } else {
        if (__pyx_t_4 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
        __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_4); __Pyx_INCREF(__pyx_t_1); __pyx_t_4++; if (unlikely(0 < 0)) __PYX_ERR(0, 222, __pyx_L1_error)
        #else
        __pyx_t_1 = PySequence_ITEM(__pyx_t_2, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 222, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_1);
        #endif
      }
    } else {
      __pyx_t_1 = __pyx_t_5(__pyx_t_2);
      if (unlikely(!__pyx_t_1)) {
        PyObject* exc_type = PyErr_Occurred();
        if (exc_type) {
          if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
          else __PYX_ERR(0, 222, __pyx_L1_error)
        }
        break;
      }
      __Pyx_GOTREF(__pyx_t_1);
    }
    __Pyx_XDECREF_SET(__pyx_v_leaf, __pyx_t_1);
    __pyx_t_1 = 0;

    /* "mathics/core/pattern.py":223
 * 
 *                 for leaf in self.leaves:
 *                     match_count = leaf.get_match_count()             # <<<<<<<<<<<<<<
 * 
 *                     if leading_blanks:
 */
    __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_v_leaf, __pyx_n_s_get_match_count); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 223, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_6);
    __pyx_t_7 = NULL;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_6))) {
      __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_6);
      if (likely(__pyx_t_7)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
        __Pyx_INCREF(__pyx_t_7);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_6, function);
      }
    }
    __pyx_t_1 = (__pyx_t_7) ? __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_t_7) : __Pyx_PyObject_CallNoArg(__pyx_t_6);
    __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
    if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 223, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_XDECREF_SET(__pyx_v_match_count, __pyx_t_1);
    __pyx_t_1 = 0;

    /* "mathics/core/pattern.py":225
 *                     match_count = leaf.get_match_count()
 * 
 *                     if leading_blanks:             # <<<<<<<<<<<<<<
 *                         if tuple(match_count) == (
 *                             1,
 */
    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_v_leading_blanks); if (unlikely(__pyx_t_3 < 0)) __PYX_ERR(0, 225, __pyx_L1_error)
    if (__pyx_t_3) {

      /* "mathics/core/pattern.py":226
 * 
 *                     if leading_blanks:
 *                         if tuple(match_count) == (             # <<<<<<<<<<<<<<
 *                             1,
 *                             1,
 */
      __pyx_t_1 = __Pyx_PySequence_Tuple(__pyx_v_match_count); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 226, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);

      /* "mathics/core/pattern.py":227
 *                     if leading_blanks:
 *                         if tuple(match_count) == (
 *                             1,             # <<<<<<<<<<<<<<
 *                             1,
 *                         ):  # Blank? (i.e. length exactly 1?)
 */
      __pyx_t_6 = PyObject_RichCompare(__pyx_t_1, __pyx_tuple__3, Py_EQ); __Pyx_XGOTREF(__pyx_t_6); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 226, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

      /* "mathics/core/pattern.py":226
 * 
 *                     if leading_blanks:
 *                         if tuple(match_count) == (             # <<<<<<<<<<<<<<
 *                             1,
 *                             1,
 */
      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_3 < 0)) __PYX_ERR(0, 226, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      if (__pyx_t_3) {

        /* "mathics/core/pattern.py":230
 *                             1,
 *                         ):  # Blank? (i.e. length exactly 1?)
 *                             if not unmatched_leaves:             # <<<<<<<<<<<<<<
 *                                 raise StopGenerator_ExpressionPattern_match()
 *                             if not leaf.does_match(
 */
        __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_v_unmatched_leaves); if (unlikely(__pyx_t_3 < 0)) __PYX_ERR(0, 230, __pyx_L1_error)
        __pyx_t_8 = ((!__pyx_t_3) != 0);
        if (unlikely(__pyx_t_8)) {

          /* "mathics/core/pattern.py":231
 *                         ):  # Blank? (i.e. length exactly 1?)
 *                             if not unmatched_leaves:
 *                                 raise StopGenerator_ExpressionPattern_match()             # <<<<<<<<<<<<<<
 *                             if not leaf.does_match(
 *                                 unmatched_leaves[0], evaluation, pre_vars
 */
          __Pyx_GetModuleGlobalName(__pyx_t_1, __pyx_n_s_StopGenerator_ExpressionPattern); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 231, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_1);
          __pyx_t_7 = NULL;
          if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_1))) {
            __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_1);
            if (likely(__pyx_t_7)) {
              PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
              __Pyx_INCREF(__pyx_t_7);
              __Pyx_INCREF(function);
              __Pyx_DECREF_SET(__pyx_t_1, function);
            }
          }
          __pyx_t_6 = (__pyx_t_7) ? __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_t_7) : __Pyx_PyObject_CallNoArg(__pyx_t_1);
          __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
          if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 231, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_6);
          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
          __Pyx_Raise(__pyx_t_6, 0, 0, 0);
          __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
          __PYX_ERR(0, 231, __pyx_L1_error)

          /* "mathics/core/pattern.py":230
 *                             1,
 *                         ):  # Blank? (i.e. length exactly 1?)
 *                             if not unmatched_leaves:             # <<<<<<<<<<<<<<
 *                                 raise StopGenerator_ExpressionPattern_match()
 *                             if not leaf.does_match(
 */
        }

        /* "mathics/core/pattern.py":232
 *                             if not unmatched_leaves:
 *                                 raise StopGenerator_ExpressionPattern_match()
 *                             if not leaf.does_match(             # <<<<<<<<<<<<<<
 *                                 unmatched_leaves[0], evaluation, pre_vars
 *                             ):
 */
        __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_leaf, __pyx_n_s_does_match); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 232, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_1);

        /* "mathics/core/pattern.py":233
 *                                 raise StopGenerator_ExpressionPattern_match()
 *                             if not leaf.does_match(
 *                                 unmatched_leaves[0], evaluation, pre_vars             # <<<<<<<<<<<<<<
 *                             ):
 *                                 raise StopGenerator_ExpressionPattern_match()
 */
        __pyx_t_7 = __Pyx_GetItemInt(__pyx_v_unmatched_leaves, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 233, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_7);
        if (unlikely(!__pyx_cur_scope->__pyx_v_evaluation)) { __Pyx_RaiseClosureNameError("evaluation"); __PYX_ERR(0, 233, __pyx_L1_error) }
        __pyx_t_9 = NULL;
        __pyx_t_10 = 0;
        if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_1))) {
          __pyx_t_9 = PyMethod_GET_SELF(__pyx_t_1);
          if (likely(__pyx_t_9)) {
            PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
            __Pyx_INCREF(__pyx_t_9);
            __Pyx_INCREF(function);
            __Pyx_DECREF_SET(__pyx_t_1, function);
            __pyx_t_10 = 1;
          }
        }
        #if CYTHON_FAST_PYCALL
        if (PyFunction_Check(__pyx_t_1)) {
          PyObject *__pyx_temp[4] = {__pyx_t_9, __pyx_t_7, __pyx_cur_scope->__pyx_v_evaluation, __pyx_v_pre_vars};
          __pyx_t_6 = __Pyx_PyFunction_FastCall(__pyx_t_1, __pyx_temp+1-__pyx_t_10, 3+__pyx_t_10); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 232, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
          __Pyx_GOTREF(__pyx_t_6);
          __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
        } else
        #endif
        #if CYTHON_FAST_PYCCALL
        if (__Pyx_PyFastCFunction_Check(__pyx_t_1)) {
          PyObject *__pyx_temp[4] = {__pyx_t_9, __pyx_t_7, __pyx_cur_scope->__pyx_v_evaluation, __pyx_v_pre_vars};
          __pyx_t_6 = __Pyx_PyCFunction_FastCall(__pyx_t_1, __pyx_temp+1-__pyx_t_10, 3+__pyx_t_10); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 232, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
          __Pyx_GOTREF(__pyx_t_6);
          __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
        } else
        #endif
        {
          __pyx_t_11 = PyTuple_New(3+__pyx_t_10); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 232, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_11);
          if (__pyx_t_9) {
            __Pyx_GIVEREF(__pyx_t_9); PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_t_9); __pyx_t_9 = NULL;
          }
          __Pyx_GIVEREF(__pyx_t_7);
          PyTuple_SET_ITEM(__pyx_t_11, 0+__pyx_t_10, __pyx_t_7);
          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_evaluation);
          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_evaluation);
          PyTuple_SET_ITEM(__pyx_t_11, 1+__pyx_t_10, __pyx_cur_scope->__pyx_v_evaluation);
          __Pyx_INCREF(__pyx_v_pre_vars);
          __Pyx_GIVEREF(__pyx_v_pre_vars);
          PyTuple_SET_ITEM(__pyx_t_11, 2+__pyx_t_10, __pyx_v_pre_vars);
          __pyx_t_7 = 0;
          __pyx_t_6 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_11, NULL); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 232, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_6);
          __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
        }
        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

        /* "mathics/core/pattern.py":232
 *                             if not unmatched_leaves:
 *                                 raise StopGenerator_ExpressionPattern_match()
 *                             if not leaf.does_match(             # <<<<<<<<<<<<<<
 *                                 unmatched_leaves[0], evaluation, pre_vars
 *                             ):
 */
        __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_8 < 0)) __PYX_ERR(0, 232, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
        __pyx_t_3 = ((!__pyx_t_8) != 0);
        if (unlikely(__pyx_t_3)) {

          /* "mathics/core/pattern.py":235
 *                                 unmatched_leaves[0], evaluation, pre_vars
 *                             ):
 *                                 raise StopGenerator_ExpressionPattern_match()             # <<<<<<<<<<<<<<
 *                             unmatched_leaves = unmatched_leaves[1:]
 *                         else:
 */
          __Pyx_GetModuleGlobalName(__pyx_t_1, __pyx_n_s_StopGenerator_ExpressionPattern); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 235, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_1);
          __pyx_t_11 = NULL;
          if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_1))) {
            __pyx_t_11 = PyMethod_GET_SELF(__pyx_t_1);
            if (likely(__pyx_t_11)) {
              PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
              __Pyx_INCREF(__pyx_t_11);
              __Pyx_INCREF(function);
              __Pyx_DECREF_SET(__pyx_t_1, function);
            }
          }
          __pyx_t_6 = (__pyx_t_11) ? __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_t_11) : __Pyx_PyObject_CallNoArg(__pyx_t_1);
          __Pyx_XDECREF(__pyx_t_11); __pyx_t_11 = 0;
          if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 235, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_6);
          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
          __Pyx_Raise(__pyx_t_6, 0, 0, 0);
          __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
          __PYX_ERR(0, 235, __pyx_L1_error)

          /* "mathics/core/pattern.py":232
 *                             if not unmatched_leaves:
 *                                 raise StopGenerator_ExpressionPattern_match()
 *                             if not leaf.does_match(             # <<<<<<<<<<<<<<
 *                                 unmatched_leaves[0], evaluation, pre_vars
 *                             ):
 */
        }

        /* "mathics/core/pattern.py":236
 *                             ):
 *                                 raise StopGenerator_ExpressionPattern_match()
 *                             unmatched_leaves = unmatched_leaves[1:]             # <<<<<<<<<<<<<<
 *                         else:
 *                             leading_blanks = False
 */
        __pyx_t_6 = __Pyx_PyObject_GetSlice(__pyx_v_unmatched_leaves, 1, 0, NULL, NULL, &__pyx_slice__4, 1, 0, 1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 236, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_6);
        __Pyx_DECREF_SET(__pyx_v_unmatched_leaves, __pyx_t_6);
        __pyx_t_6 = 0;

        /* "mathics/core/pattern.py":226
 * 
 *                     if leading_blanks:
 *                         if tuple(match_count) == (             # <<<<<<<<<<<<<<
 *                             1,
 *                             1,
 */
        goto __pyx_L6;
      }

      /* "mathics/core/pattern.py":238
 *                             unmatched_leaves = unmatched_leaves[1:]
 *                         else:
 *                             leading_blanks = False             # <<<<<<<<<<<<<<
 * 
 *                     if not leading_blanks:
 */
      /*else*/ {
        __Pyx_INCREF(Py_False);
        __Pyx_DECREF_SET(__pyx_v_leading_blanks, Py_False);
      }
      __pyx_L6:;

      /* "mathics/core/pattern.py":225
 *                     match_count = leaf.get_match_count()
 * 
 *                     if leading_blanks:             # <<<<<<<<<<<<<<
 *                         if tuple(match_count) == (
 *                             1,
 */
    }

    /* "mathics/core/pattern.py":240
 *                             leading_blanks = False
 * 
 *                     if not leading_blanks:             # <<<<<<<<<<<<<<
 *                         candidates = leaf.get_match_candidates_count(
 *                             unmatched_leaves,
 */
    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_v_leading_blanks); if (unlikely(__pyx_t_3 < 0)) __PYX_ERR(0, 240, __pyx_L1_error)
    __pyx_t_8 = ((!__pyx_t_3) != 0);
    if (__pyx_t_8) {

      /* "mathics/core/pattern.py":241
 * 
 *                     if not leading_blanks:
 *                         candidates = leaf.get_match_candidates_count(             # <<<<<<<<<<<<<<
 *                             unmatched_leaves,
 *                             expression,
 */
      __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_leaf, __pyx_n_s_get_match_candidates_count); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 241, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);

      /* "mathics/core/pattern.py":243
 *                         candidates = leaf.get_match_candidates_count(
 *                             unmatched_leaves,
 *                             expression,             # <<<<<<<<<<<<<<
 *                             attributes,
 *                             evaluation,
 */
      if (unlikely(!__pyx_cur_scope->__pyx_v_expression)) { __Pyx_RaiseClosureNameError("expression"); __PYX_ERR(0, 243, __pyx_L1_error) }

      /* "mathics/core/pattern.py":244
 *                             unmatched_leaves,
 *                             expression,
 *                             attributes,             # <<<<<<<<<<<<<<
 *                             evaluation,
 *                             pre_vars,
 */
      if (unlikely(!__pyx_cur_scope->__pyx_v_attributes)) { __Pyx_RaiseClosureNameError("attributes"); __PYX_ERR(0, 244, __pyx_L1_error) }

      /* "mathics/core/pattern.py":245
 *                             expression,
 *                             attributes,
 *                             evaluation,             # <<<<<<<<<<<<<<
 *                             pre_vars,
 *                         )
 */
      if (unlikely(!__pyx_cur_scope->__pyx_v_evaluation)) { __Pyx_RaiseClosureNameError("evaluation"); __PYX_ERR(0, 245, __pyx_L1_error) }

      /* "mathics/core/pattern.py":246
 *                             attributes,
 *                             evaluation,
 *                             pre_vars,             # <<<<<<<<<<<<<<
 *                         )
 *                         if candidates < match_count[0]:
 */
      __pyx_t_11 = NULL;
      __pyx_t_10 = 0;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_1))) {
        __pyx_t_11 = PyMethod_GET_SELF(__pyx_t_1);
        if (likely(__pyx_t_11)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
          __Pyx_INCREF(__pyx_t_11);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_1, function);
          __pyx_t_10 = 1;
        }
      }
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_1)) {
        PyObject *__pyx_temp[6] = {__pyx_t_11, __pyx_v_unmatched_leaves, __pyx_cur_scope->__pyx_v_expression, __pyx_cur_scope->__pyx_v_attributes, __pyx_cur_scope->__pyx_v_evaluation, __pyx_v_pre_vars};
        __pyx_t_6 = __Pyx_PyFunction_FastCall(__pyx_t_1, __pyx_temp+1-__pyx_t_10, 5+__pyx_t_10); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 241, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_11); __pyx_t_11 = 0;
        __Pyx_GOTREF(__pyx_t_6);
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_1)) {
        PyObject *__pyx_temp[6] = {__pyx_t_11, __pyx_v_unmatched_leaves, __pyx_cur_scope->__pyx_v_expression, __pyx_cur_scope->__pyx_v_attributes, __pyx_cur_scope->__pyx_v_evaluation, __pyx_v_pre_vars};
        __pyx_t_6 = __Pyx_PyCFunction_FastCall(__pyx_t_1, __pyx_temp+1-__pyx_t_10, 5+__pyx_t_10); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 241, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_11); __pyx_t_11 = 0;
        __Pyx_GOTREF(__pyx_t_6);
      } else
      #endif
      {
        __pyx_t_7 = PyTuple_New(5+__pyx_t_10); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 241, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_7);
        if (__pyx_t_11) {
          __Pyx_GIVEREF(__pyx_t_11); PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_11); __pyx_t_11 = NULL;
        }
        __Pyx_INCREF(__pyx_v_unmatched_leaves);
        __Pyx_GIVEREF(__pyx_v_unmatched_leaves);
        PyTuple_SET_ITEM(__pyx_t_7, 0+__pyx_t_10, __pyx_v_unmatched_leaves);
        __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
        __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
        PyTuple_SET_ITEM(__pyx_t_7, 1+__pyx_t_10, __pyx_cur_scope->__pyx_v_expression);
        __Pyx_INCREF(__pyx_cur_scope->__pyx_v_attributes);
        __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_attributes);
        PyTuple_SET_ITEM(__pyx_t_7, 2+__pyx_t_10, __pyx_cur_scope->__pyx_v_attributes);
        __Pyx_INCREF(__pyx_cur_scope->__pyx_v_evaluation);
        __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_evaluation);
        PyTuple_SET_ITEM(__pyx_t_7, 3+__pyx_t_10, __pyx_cur_scope->__pyx_v_evaluation);
        __Pyx_INCREF(__pyx_v_pre_vars);
        __Pyx_GIVEREF(__pyx_v_pre_vars);
        PyTuple_SET_ITEM(__pyx_t_7, 4+__pyx_t_10, __pyx_v_pre_vars);
        __pyx_t_6 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_7, NULL); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 241, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_6);
        __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
      }
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_XDECREF_SET(__pyx_v_candidates, __pyx_t_6);
      __pyx_t_6 = 0;

      /* "mathics/core/pattern.py":248
 *                             pre_vars,
 *                         )
 *                         if candidates < match_count[0]:             # <<<<<<<<<<<<<<
 *                             raise StopGenerator_ExpressionPattern_match()
 * 
 */
      __pyx_t_6 = __Pyx_GetItemInt(__pyx_v_match_count, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 248, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __pyx_t_1 = PyObject_RichCompare(__pyx_v_candidates, __pyx_t_6, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 248, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_8 < 0)) __PYX_ERR(0, 248, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
      if (unlikely(__pyx_t_8)) {

        /* "mathics/core/pattern.py":249
 *                         )
 *                         if candidates < match_count[0]:
 *                             raise StopGenerator_ExpressionPattern_match()             # <<<<<<<<<<<<<<
 * 
 *                 # for new_vars, rest in self.match_leaf(    # nopep8
 */
        __Pyx_GetModuleGlobalName(__pyx_t_6, __pyx_n_s_StopGenerator_ExpressionPattern); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 249, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_6);
        __pyx_t_7 = NULL;
        if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_6))) {
          __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_6);
          if (likely(__pyx_t_7)) {
            PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
            __Pyx_INCREF(__pyx_t_7);
            __Pyx_INCREF(function);
            __Pyx_DECREF_SET(__pyx_t_6, function);
          }
        }
        __pyx_t_1 = (__pyx_t_7) ? __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_t_7) : __Pyx_PyObject_CallNoArg(__pyx_t_6);
        __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
        if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 249, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_1);
        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
        __Pyx_Raise(__pyx_t_1, 0, 0, 0);
        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
        __PYX_ERR(0, 249, __pyx_L1_error)

        /* "mathics/core/pattern.py":248
 *                             pre_vars,
 *                         )
 *                         if candidates < match_count[0]:             # <<<<<<<<<<<<<<
 *                             raise StopGenerator_ExpressionPattern_match()
 * 
 */
      }

      /* "mathics/core/pattern.py":240
 *                             leading_blanks = False
 * 
 *                     if not leading_blanks:             # <<<<<<<<<<<<<<
 *                         candidates = leaf.get_match_candidates_count(
 *                             unmatched_leaves,
 */
    }

    /* "mathics/core/pattern.py":222
 *                 leading_blanks = "System`Orderless" not in attributes
 * 
 *                 for leaf in self.leaves:             # <<<<<<<<<<<<<<
 *                     match_count = leaf.get_match_count()
 * 
 */
  }
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":258
 *                 # def yield_leaf(new_vars, rest):
 *                 #    yield_func(new_vars, rest)
 *                 self.match_leaf(             # <<<<<<<<<<<<<<
 *                     yield_func,
 *                     next_leaf,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); __PYX_ERR(0, 258, __pyx_L1_error) }
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_match_leaf); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 258, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);

  /* "mathics/core/pattern.py":259
 *                 #    yield_func(new_vars, rest)
 *                 self.match_leaf(
 *                     yield_func,             # <<<<<<<<<<<<<<
 *                     next_leaf,
 *                     next_leaves,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_yield_func)) { __Pyx_RaiseClosureNameError("yield_func"); __PYX_ERR(0, 259, __pyx_L1_error) }

  /* "mathics/core/pattern.py":262
 *                     next_leaf,
 *                     next_leaves,
 *                     ([], expression.leaves),             # <<<<<<<<<<<<<<
 *                     pre_vars,
 *                     expression,
 */
  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 262, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (unlikely(!__pyx_cur_scope->__pyx_v_expression)) { __Pyx_RaiseClosureNameError("expression"); __PYX_ERR(0, 262, __pyx_L1_error) }
  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_leaves); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 262, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_7 = PyTuple_New(2); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 262, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_1);
  __Pyx_GIVEREF(__pyx_t_6);
  PyTuple_SET_ITEM(__pyx_t_7, 1, __pyx_t_6);
  __pyx_t_1 = 0;
  __pyx_t_6 = 0;

  /* "mathics/core/pattern.py":264
 *                     ([], expression.leaves),
 *                     pre_vars,
 *                     expression,             # <<<<<<<<<<<<<<
 *                     attributes,
 *                     evaluation,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_expression)) { __Pyx_RaiseClosureNameError("expression"); __PYX_ERR(0, 264, __pyx_L1_error) }

  /* "mathics/core/pattern.py":265
 *                     pre_vars,
 *                     expression,
 *                     attributes,             # <<<<<<<<<<<<<<
 *                     evaluation,
 *                     first=True,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_attributes)) { __Pyx_RaiseClosureNameError("attributes"); __PYX_ERR(0, 265, __pyx_L1_error) }

  /* "mathics/core/pattern.py":266
 *                     expression,
 *                     attributes,
 *                     evaluation,             # <<<<<<<<<<<<<<
 *                     first=True,
 *                     fully=fully,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_evaluation)) { __Pyx_RaiseClosureNameError("evaluation"); __PYX_ERR(0, 266, __pyx_L1_error) }

  /* "mathics/core/pattern.py":258
 *                 # def yield_leaf(new_vars, rest):
 *                 #    yield_func(new_vars, rest)
 *                 self.match_leaf(             # <<<<<<<<<<<<<<
 *                     yield_func,
 *                     next_leaf,
 */
  __pyx_t_6 = PyTuple_New(8); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 258, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_func);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_yield_func);
  PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_cur_scope->__pyx_v_yield_func);
  __Pyx_INCREF(__pyx_v_next_leaf);
  __Pyx_GIVEREF(__pyx_v_next_leaf);
  PyTuple_SET_ITEM(__pyx_t_6, 1, __pyx_v_next_leaf);
  __Pyx_INCREF(__pyx_v_next_leaves);
  __Pyx_GIVEREF(__pyx_v_next_leaves);
  PyTuple_SET_ITEM(__pyx_t_6, 2, __pyx_v_next_leaves);
  __Pyx_GIVEREF(__pyx_t_7);
  PyTuple_SET_ITEM(__pyx_t_6, 3, __pyx_t_7);
  __Pyx_INCREF(__pyx_v_pre_vars);
  __Pyx_GIVEREF(__pyx_v_pre_vars);
  PyTuple_SET_ITEM(__pyx_t_6, 4, __pyx_v_pre_vars);
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
  PyTuple_SET_ITEM(__pyx_t_6, 5, __pyx_cur_scope->__pyx_v_expression);
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_attributes);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_attributes);
  PyTuple_SET_ITEM(__pyx_t_6, 6, __pyx_cur_scope->__pyx_v_attributes);
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_evaluation);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_evaluation);
  PyTuple_SET_ITEM(__pyx_t_6, 7, __pyx_cur_scope->__pyx_v_evaluation);
  __pyx_t_7 = 0;

  /* "mathics/core/pattern.py":267
 *                     attributes,
 *                     evaluation,
 *                     first=True,             # <<<<<<<<<<<<<<
 *                     fully=fully,
 *                     leaf_count=len(self.leaves),
 */
  __pyx_t_7 = __Pyx_PyDict_NewPresized(4); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 267, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);
  if (PyDict_SetItem(__pyx_t_7, __pyx_n_s_first, Py_True) < 0) __PYX_ERR(0, 267, __pyx_L1_error)

  /* "mathics/core/pattern.py":268
 *                     evaluation,
 *                     first=True,
 *                     fully=fully,             # <<<<<<<<<<<<<<
 *                     leaf_count=len(self.leaves),
 *                     wrap_oneid=expression.get_head_name() != "System`MakeBoxes",
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_fully)) { __Pyx_RaiseClosureNameError("fully"); __PYX_ERR(0, 268, __pyx_L1_error) }
  if (PyDict_SetItem(__pyx_t_7, __pyx_n_s_fully, __pyx_cur_scope->__pyx_v_fully) < 0) __PYX_ERR(0, 267, __pyx_L1_error)

  /* "mathics/core/pattern.py":269
 *                     first=True,
 *                     fully=fully,
 *                     leaf_count=len(self.leaves),             # <<<<<<<<<<<<<<
 *                     wrap_oneid=expression.get_head_name() != "System`MakeBoxes",
 *                 )
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); __PYX_ERR(0, 269, __pyx_L1_error) }
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 269, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_4 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_4 == ((Py_ssize_t)-1))) __PYX_ERR(0, 269, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_4); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 269, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_t_7, __pyx_n_s_leaf_count, __pyx_t_1) < 0) __PYX_ERR(0, 267, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":270
 *                     fully=fully,
 *                     leaf_count=len(self.leaves),
 *                     wrap_oneid=expression.get_head_name() != "System`MakeBoxes",             # <<<<<<<<<<<<<<
 *                 )
 * 
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_expression)) { __Pyx_RaiseClosureNameError("expression"); __PYX_ERR(0, 270, __pyx_L1_error) }
  __pyx_t_11 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_get_head_name); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 270, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_11);
  __pyx_t_9 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_11))) {
    __pyx_t_9 = PyMethod_GET_SELF(__pyx_t_11);
    if (likely(__pyx_t_9)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_11);
      __Pyx_INCREF(__pyx_t_9);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_11, function);
    }
  }
  __pyx_t_1 = (__pyx_t_9) ? __Pyx_PyObject_CallOneArg(__pyx_t_11, __pyx_t_9) : __Pyx_PyObject_CallNoArg(__pyx_t_11);
  __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 270, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
  __pyx_t_11 = PyObject_RichCompare(__pyx_t_1, __pyx_kp_u_System_MakeBoxes, Py_NE); __Pyx_XGOTREF(__pyx_t_11); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 270, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  if (PyDict_SetItem(__pyx_t_7, __pyx_n_s_wrap_oneid, __pyx_t_11) < 0) __PYX_ERR(0, 267, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;

  /* "mathics/core/pattern.py":258
 *                 # def yield_leaf(new_vars, rest):
 *                 #    yield_func(new_vars, rest)
 *                 self.match_leaf(             # <<<<<<<<<<<<<<
 *                     yield_func,
 *                     next_leaf,
 */
  __pyx_t_11 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_6, __pyx_t_7); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 258, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_11);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
  __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;

  /* "mathics/core/pattern.py":200
 *             #    next_leaves = self.leaves[1:]
 * 
 *             def yield_choice(pre_vars):             # <<<<<<<<<<<<<<
 *                 next_leaf = self.leaves[0]
 *                 next_leaves = self.leaves[1:]
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_XDECREF(__pyx_t_11);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match.yield_choice", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_next_leaf);
  __Pyx_XDECREF(__pyx_v_next_leaves);
  __Pyx_XDECREF(__pyx_v_unmatched_leaves);
  __Pyx_XDECREF(__pyx_v_leading_blanks);
  __Pyx_XDECREF(__pyx_v_leaf);
  __Pyx_XDECREF(__pyx_v_match_count);
  __Pyx_XDECREF(__pyx_v_candidates);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":275
 *             # for head_vars, _ in self.head.match(expression.get_head(), vars,
 *             # evaluation):
 *             def yield_head(head_vars, _):             # <<<<<<<<<<<<<<
 *                 if self.leaves:
 *                     # pre_choices = self.get_pre_choices(
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_5match_3yield_head(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_5match_3yield_head = {"yield_head", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_5match_3yield_head, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_5match_3yield_head(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_head_vars = 0;
  CYTHON_UNUSED PyObject *__pyx_v__ = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("yield_head (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_head_vars,&__pyx_n_s__5,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_head_vars)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s__5)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("yield_head", 1, 2, 2, 1); __PYX_ERR(0, 275, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "yield_head") < 0)) __PYX_ERR(0, 275, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_head_vars = values[0];
    __pyx_v__ = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("yield_head", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 275, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match.yield_head", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_5match_2yield_head(__pyx_self, __pyx_v_head_vars, __pyx_v__);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_5match_2yield_head(PyObject *__pyx_self, PyObject *__pyx_v_head_vars, CYTHON_UNUSED PyObject *__pyx_v__) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *__pyx_cur_scope;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *__pyx_outer_scope;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  int __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  int __pyx_t_7;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("yield_head", 0);
  __pyx_outer_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *) __Pyx_CyFunction_GetClosure(__pyx_self);
  __pyx_cur_scope = __pyx_outer_scope;

  /* "mathics/core/pattern.py":276
 *             # evaluation):
 *             def yield_head(head_vars, _):
 *                 if self.leaves:             # <<<<<<<<<<<<<<
 *                     # pre_choices = self.get_pre_choices(
 *                     #    expression, attributes, head_vars)
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); __PYX_ERR(0, 276, __pyx_L1_error) }
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 276, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 276, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  if (__pyx_t_2) {

    /* "mathics/core/pattern.py":281
 *                     # for pre_vars in pre_choices:
 * 
 *                     self.get_pre_choices(             # <<<<<<<<<<<<<<
 *                         yield_choice, expression, attributes, head_vars
 *                     )
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); __PYX_ERR(0, 281, __pyx_L1_error) }
    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_get_pre_choices); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 281, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);

    /* "mathics/core/pattern.py":282
 * 
 *                     self.get_pre_choices(
 *                         yield_choice, expression, attributes, head_vars             # <<<<<<<<<<<<<<
 *                     )
 *                 else:
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_yield_choice)) { __Pyx_RaiseClosureNameError("yield_choice"); __PYX_ERR(0, 282, __pyx_L1_error) }
    if (unlikely(!__pyx_cur_scope->__pyx_v_expression)) { __Pyx_RaiseClosureNameError("expression"); __PYX_ERR(0, 282, __pyx_L1_error) }
    if (unlikely(!__pyx_cur_scope->__pyx_v_attributes)) { __Pyx_RaiseClosureNameError("attributes"); __PYX_ERR(0, 282, __pyx_L1_error) }
    __pyx_t_4 = NULL;
    __pyx_t_5 = 0;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
      __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
      if (likely(__pyx_t_4)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
        __Pyx_INCREF(__pyx_t_4);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_3, function);
        __pyx_t_5 = 1;
      }
    }
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_3)) {
      PyObject *__pyx_temp[5] = {__pyx_t_4, __pyx_cur_scope->__pyx_v_yield_choice, __pyx_cur_scope->__pyx_v_expression, __pyx_cur_scope->__pyx_v_attributes, __pyx_v_head_vars};
      __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-__pyx_t_5, 4+__pyx_t_5); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 281, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_1);
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
      PyObject *__pyx_temp[5] = {__pyx_t_4, __pyx_cur_scope->__pyx_v_yield_choice, __pyx_cur_scope->__pyx_v_expression, __pyx_cur_scope->__pyx_v_attributes, __pyx_v_head_vars};
      __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-__pyx_t_5, 4+__pyx_t_5); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 281, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_1);
    } else
    #endif
    {
      __pyx_t_6 = PyTuple_New(4+__pyx_t_5); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 281, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      if (__pyx_t_4) {
        __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_4); __pyx_t_4 = NULL;
      }
      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_choice);
      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_yield_choice);
      PyTuple_SET_ITEM(__pyx_t_6, 0+__pyx_t_5, __pyx_cur_scope->__pyx_v_yield_choice);
      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
      PyTuple_SET_ITEM(__pyx_t_6, 1+__pyx_t_5, __pyx_cur_scope->__pyx_v_expression);
      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_attributes);
      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_attributes);
      PyTuple_SET_ITEM(__pyx_t_6, 2+__pyx_t_5, __pyx_cur_scope->__pyx_v_attributes);
      __Pyx_INCREF(__pyx_v_head_vars);
      __Pyx_GIVEREF(__pyx_v_head_vars);
      PyTuple_SET_ITEM(__pyx_t_6, 3+__pyx_t_5, __pyx_v_head_vars);
      __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_6, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 281, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    }
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

    /* "mathics/core/pattern.py":276
 *             # evaluation):
 *             def yield_head(head_vars, _):
 *                 if self.leaves:             # <<<<<<<<<<<<<<
 *                     # pre_choices = self.get_pre_choices(
 *                     #    expression, attributes, head_vars)
 */
    goto __pyx_L3;
  }

  /* "mathics/core/pattern.py":285
 *                     )
 *                 else:
 *                     if not expression.leaves:             # <<<<<<<<<<<<<<
 *                         yield_func(head_vars, None)
 *                     else:
 */
  /*else*/ {
    if (unlikely(!__pyx_cur_scope->__pyx_v_expression)) { __Pyx_RaiseClosureNameError("expression"); __PYX_ERR(0, 285, __pyx_L1_error) }
    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_leaves); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 285, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 285, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_7 = ((!__pyx_t_2) != 0);
    if (__pyx_t_7) {

      /* "mathics/core/pattern.py":286
 *                 else:
 *                     if not expression.leaves:
 *                         yield_func(head_vars, None)             # <<<<<<<<<<<<<<
 *                     else:
 *                         return
 */
      if (unlikely(!__pyx_cur_scope->__pyx_v_yield_func)) { __Pyx_RaiseClosureNameError("yield_func"); __PYX_ERR(0, 286, __pyx_L1_error) }
      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_func);
      __pyx_t_3 = __pyx_cur_scope->__pyx_v_yield_func; __pyx_t_6 = NULL;
      __pyx_t_5 = 0;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
        __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_3);
        if (likely(__pyx_t_6)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
          __Pyx_INCREF(__pyx_t_6);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_3, function);
          __pyx_t_5 = 1;
        }
      }
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_3)) {
        PyObject *__pyx_temp[3] = {__pyx_t_6, __pyx_v_head_vars, Py_None};
        __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-__pyx_t_5, 2+__pyx_t_5); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 286, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
        __Pyx_GOTREF(__pyx_t_1);
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
        PyObject *__pyx_temp[3] = {__pyx_t_6, __pyx_v_head_vars, Py_None};
        __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-__pyx_t_5, 2+__pyx_t_5); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 286, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
        __Pyx_GOTREF(__pyx_t_1);
      } else
      #endif
      {
        __pyx_t_4 = PyTuple_New(2+__pyx_t_5); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 286, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        if (__pyx_t_6) {
          __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_6); __pyx_t_6 = NULL;
        }
        __Pyx_INCREF(__pyx_v_head_vars);
        __Pyx_GIVEREF(__pyx_v_head_vars);
        PyTuple_SET_ITEM(__pyx_t_4, 0+__pyx_t_5, __pyx_v_head_vars);
        __Pyx_INCREF(Py_None);
        __Pyx_GIVEREF(Py_None);
        PyTuple_SET_ITEM(__pyx_t_4, 1+__pyx_t_5, Py_None);
        __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_4, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 286, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_1);
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      }
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

      /* "mathics/core/pattern.py":285
 *                     )
 *                 else:
 *                     if not expression.leaves:             # <<<<<<<<<<<<<<
 *                         yield_func(head_vars, None)
 *                     else:
 */
      goto __pyx_L4;
    }

    /* "mathics/core/pattern.py":288
 *                         yield_func(head_vars, None)
 *                     else:
 *                         return             # <<<<<<<<<<<<<<
 * 
 *             try:
 */
    /*else*/ {
      __Pyx_XDECREF(__pyx_r);
      __pyx_r = Py_None; __Pyx_INCREF(Py_None);
      goto __pyx_L0;
    }
    __pyx_L4:;
  }
  __pyx_L3:;

  /* "mathics/core/pattern.py":275
 *             # for head_vars, _ in self.head.match(expression.get_head(), vars,
 *             # evaluation):
 *             def yield_head(head_vars, _):             # <<<<<<<<<<<<<<
 *                 if self.leaves:
 *                     # pre_choices = self.get_pre_choices(
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match.yield_head", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":176
 *     # match = pattern_nocython.match
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_match(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_yield_func, PyObject *__pyx_v_expression, PyObject *__pyx_v_vars, PyObject *__pyx_v_evaluation, CYTHON_UNUSED PyObject *__pyx_v_head, CYTHON_UNUSED PyObject *__pyx_v_leaf_index, CYTHON_UNUSED PyObject *__pyx_v_leaf_count, PyObject *__pyx_v_fully, PyObject *__pyx_v_wrap_oneid) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *__pyx_cur_scope;
  PyObject *__pyx_v_yield_head = 0;
  PyObject *__pyx_v_new_expression = NULL;
  PyObject *__pyx_v_leaf = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  int __pyx_t_5;
  int __pyx_t_6;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  int __pyx_t_11;
  int __pyx_t_12;
  Py_ssize_t __pyx_t_13;
  PyObject *(*__pyx_t_14)(PyObject *);
  Py_ssize_t __pyx_t_15;
  PyObject *__pyx_t_16 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("match", 0);
  __pyx_cur_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *)__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct__match(__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct__match, __pyx_empty_tuple, NULL);
  if (unlikely(!__pyx_cur_scope)) {
    __pyx_cur_scope = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *)Py_None);
    __Pyx_INCREF(Py_None);
    __PYX_ERR(0, 176, __pyx_L1_error)
  } else {
    __Pyx_GOTREF(__pyx_cur_scope);
  }
  __pyx_cur_scope->__pyx_v_self = __pyx_v_self;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_self);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_self);
  __pyx_cur_scope->__pyx_v_yield_func = __pyx_v_yield_func;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_func);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_yield_func);
  __pyx_cur_scope->__pyx_v_expression = __pyx_v_expression;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
  __pyx_cur_scope->__pyx_v_evaluation = __pyx_v_evaluation;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_evaluation);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_evaluation);
  __pyx_cur_scope->__pyx_v_fully = __pyx_v_fully;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_fully);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_fully);

  /* "mathics/core/pattern.py":188
 *         wrap_oneid=True,
 *     ):
 *         evaluation.check_stopped()             # <<<<<<<<<<<<<<
 * 
 *         attributes = self.head.get_attributes(evaluation.definitions)
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_evaluation, __pyx_n_s_check_stopped); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 188, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
    }
  }
  __pyx_t_1 = (__pyx_t_3) ? __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_3) : __Pyx_PyObject_CallNoArg(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 188, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":190
 *         evaluation.check_stopped()
 * 
 *         attributes = self.head.get_attributes(evaluation.definitions)             # <<<<<<<<<<<<<<
 *         if "System`Flat" not in attributes:
 *             fully = True
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_head); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 190, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_get_attributes); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 190, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_evaluation, __pyx_n_s_definitions); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 190, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_4) ? __Pyx_PyObject_Call2Args(__pyx_t_3, __pyx_t_4, __pyx_t_2) : __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2);
  __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 190, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_GIVEREF(__pyx_t_1);
  __pyx_cur_scope->__pyx_v_attributes = __pyx_t_1;
  __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":191
 * 
 *         attributes = self.head.get_attributes(evaluation.definitions)
 *         if "System`Flat" not in attributes:             # <<<<<<<<<<<<<<
 *             fully = True
 *         if not expression.is_atom():
 */
  __pyx_t_5 = (__Pyx_PySequence_ContainsTF(__pyx_kp_u_System_Flat, __pyx_cur_scope->__pyx_v_attributes, Py_NE)); if (unlikely(__pyx_t_5 < 0)) __PYX_ERR(0, 191, __pyx_L1_error)
  __pyx_t_6 = (__pyx_t_5 != 0);
  if (__pyx_t_6) {

    /* "mathics/core/pattern.py":192
 *         attributes = self.head.get_attributes(evaluation.definitions)
 *         if "System`Flat" not in attributes:
 *             fully = True             # <<<<<<<<<<<<<<
 *         if not expression.is_atom():
 *             # don't do this here, as self.get_pre_choices changes the
 */
    __Pyx_INCREF(Py_True);
    __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_fully);
    __Pyx_DECREF_SET(__pyx_cur_scope->__pyx_v_fully, Py_True);
    __Pyx_GIVEREF(Py_True);

    /* "mathics/core/pattern.py":191
 * 
 *         attributes = self.head.get_attributes(evaluation.definitions)
 *         if "System`Flat" not in attributes:             # <<<<<<<<<<<<<<
 *             fully = True
 *         if not expression.is_atom():
 */
  }

  /* "mathics/core/pattern.py":193
 *         if "System`Flat" not in attributes:
 *             fully = True
 *         if not expression.is_atom():             # <<<<<<<<<<<<<<
 *             # don't do this here, as self.get_pre_choices changes the
 *             # ordering of the leaves!
 */
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_is_atom); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 193, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_2) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 193, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) __PYX_ERR(0, 193, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_5 = ((!__pyx_t_6) != 0);
  if (__pyx_t_5) {

    /* "mathics/core/pattern.py":200
 *             #    next_leaves = self.leaves[1:]
 * 
 *             def yield_choice(pre_vars):             # <<<<<<<<<<<<<<
 *                 next_leaf = self.leaves[0]
 *                 next_leaves = self.leaves[1:]
 */
    __pyx_t_1 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_5match_1yield_choice, 0, __pyx_n_s_ExpressionPattern_match_locals_y, ((PyObject*)__pyx_cur_scope), __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__7)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 200, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_GIVEREF(__pyx_t_1);
    __pyx_cur_scope->__pyx_v_yield_choice = __pyx_t_1;
    __pyx_t_1 = 0;

    /* "mathics/core/pattern.py":275
 *             # for head_vars, _ in self.head.match(expression.get_head(), vars,
 *             # evaluation):
 *             def yield_head(head_vars, _):             # <<<<<<<<<<<<<<
 *                 if self.leaves:
 *                     # pre_choices = self.get_pre_choices(
 */
    __pyx_t_1 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_5match_3yield_head, 0, __pyx_n_s_ExpressionPattern_match_locals_y_2, ((PyObject*)__pyx_cur_scope), __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__9)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 275, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_v_yield_head = __pyx_t_1;
    __pyx_t_1 = 0;

    /* "mathics/core/pattern.py":290
 *                         return
 * 
 *             try:             # <<<<<<<<<<<<<<
 *                 self.head.match(yield_head, expression.get_head(), vars, evaluation)
 *             except StopGenerator_ExpressionPattern_match:
 */
    {
      __Pyx_PyThreadState_declare
      __Pyx_PyThreadState_assign
      __Pyx_ExceptionSave(&__pyx_t_7, &__pyx_t_8, &__pyx_t_9);
      __Pyx_XGOTREF(__pyx_t_7);
      __Pyx_XGOTREF(__pyx_t_8);
      __Pyx_XGOTREF(__pyx_t_9);
      /*try:*/ {

        /* "mathics/core/pattern.py":291
 * 
 *             try:
 *                 self.head.match(yield_head, expression.get_head(), vars, evaluation)             # <<<<<<<<<<<<<<
 *             except StopGenerator_ExpressionPattern_match:
 *                 return
 */
        __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_head); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 291, __pyx_L5_error)
        __Pyx_GOTREF(__pyx_t_3);
        __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_match); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 291, __pyx_L5_error)
        __Pyx_GOTREF(__pyx_t_2);
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_get_head); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 291, __pyx_L5_error)
        __Pyx_GOTREF(__pyx_t_4);
        __pyx_t_10 = NULL;
        if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
          __pyx_t_10 = PyMethod_GET_SELF(__pyx_t_4);
          if (likely(__pyx_t_10)) {
            PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
            __Pyx_INCREF(__pyx_t_10);
            __Pyx_INCREF(function);
            __Pyx_DECREF_SET(__pyx_t_4, function);
          }
        }
        __pyx_t_3 = (__pyx_t_10) ? __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_10) : __Pyx_PyObject_CallNoArg(__pyx_t_4);
        __Pyx_XDECREF(__pyx_t_10); __pyx_t_10 = 0;
        if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 291, __pyx_L5_error)
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
        __pyx_t_4 = NULL;
        __pyx_t_11 = 0;
        if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
          __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_2);
          if (likely(__pyx_t_4)) {
            PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
            __Pyx_INCREF(__pyx_t_4);
            __Pyx_INCREF(function);
            __Pyx_DECREF_SET(__pyx_t_2, function);
            __pyx_t_11 = 1;
          }
        }
        #if CYTHON_FAST_PYCALL
        if (PyFunction_Check(__pyx_t_2)) {
          PyObject *__pyx_temp[5] = {__pyx_t_4, __pyx_v_yield_head, __pyx_t_3, __pyx_v_vars, __pyx_cur_scope->__pyx_v_evaluation};
          __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_2, __pyx_temp+1-__pyx_t_11, 4+__pyx_t_11); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 291, __pyx_L5_error)
          __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
          __Pyx_GOTREF(__pyx_t_1);
          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        } else
        #endif
        #if CYTHON_FAST_PYCCALL
        if (__Pyx_PyFastCFunction_Check(__pyx_t_2)) {
          PyObject *__pyx_temp[5] = {__pyx_t_4, __pyx_v_yield_head, __pyx_t_3, __pyx_v_vars, __pyx_cur_scope->__pyx_v_evaluation};
          __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_2, __pyx_temp+1-__pyx_t_11, 4+__pyx_t_11); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 291, __pyx_L5_error)
          __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
          __Pyx_GOTREF(__pyx_t_1);
          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        } else
        #endif
        {
          __pyx_t_10 = PyTuple_New(4+__pyx_t_11); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 291, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_10);
          if (__pyx_t_4) {
            __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_4); __pyx_t_4 = NULL;
          }
          __Pyx_INCREF(__pyx_v_yield_head);
          __Pyx_GIVEREF(__pyx_v_yield_head);
          PyTuple_SET_ITEM(__pyx_t_10, 0+__pyx_t_11, __pyx_v_yield_head);
          __Pyx_GIVEREF(__pyx_t_3);
          PyTuple_SET_ITEM(__pyx_t_10, 1+__pyx_t_11, __pyx_t_3);
          __Pyx_INCREF(__pyx_v_vars);
          __Pyx_GIVEREF(__pyx_v_vars);
          PyTuple_SET_ITEM(__pyx_t_10, 2+__pyx_t_11, __pyx_v_vars);
          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_evaluation);
          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_evaluation);
          PyTuple_SET_ITEM(__pyx_t_10, 3+__pyx_t_11, __pyx_cur_scope->__pyx_v_evaluation);
          __pyx_t_3 = 0;
          __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_10, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 291, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_1);
          __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
        }
        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

        /* "mathics/core/pattern.py":290
 *                         return
 * 
 *             try:             # <<<<<<<<<<<<<<
 *                 self.head.match(yield_head, expression.get_head(), vars, evaluation)
 *             except StopGenerator_ExpressionPattern_match:
 */
      }
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
      __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
      goto __pyx_L10_try_end;
      __pyx_L5_error:;
      __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_XDECREF(__pyx_t_10); __pyx_t_10 = 0;
      __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
      __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;

      /* "mathics/core/pattern.py":292
 *             try:
 *                 self.head.match(yield_head, expression.get_head(), vars, evaluation)
 *             except StopGenerator_ExpressionPattern_match:             # <<<<<<<<<<<<<<
 *                 return
 *         if (
 */
      __Pyx_ErrFetch(&__pyx_t_1, &__pyx_t_2, &__pyx_t_10);
      __Pyx_GetModuleGlobalName(__pyx_t_3, __pyx_n_s_StopGenerator_ExpressionPattern); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 292, __pyx_L7_except_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_11 = __Pyx_PyErr_GivenExceptionMatches(__pyx_t_1, __pyx_t_3);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_ErrRestore(__pyx_t_1, __pyx_t_2, __pyx_t_10);
      __pyx_t_1 = 0; __pyx_t_2 = 0; __pyx_t_10 = 0;
      if (__pyx_t_11) {
        __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match", __pyx_clineno, __pyx_lineno, __pyx_filename);
        if (__Pyx_GetException(&__pyx_t_10, &__pyx_t_2, &__pyx_t_1) < 0) __PYX_ERR(0, 292, __pyx_L7_except_error)
        __Pyx_GOTREF(__pyx_t_10);
        __Pyx_GOTREF(__pyx_t_2);
        __Pyx_GOTREF(__pyx_t_1);

        /* "mathics/core/pattern.py":293
 *                 self.head.match(yield_head, expression.get_head(), vars, evaluation)
 *             except StopGenerator_ExpressionPattern_match:
 *                 return             # <<<<<<<<<<<<<<
 *         if (
 *             wrap_oneid
 */
        __Pyx_XDECREF(__pyx_r);
        __pyx_r = Py_None; __Pyx_INCREF(Py_None);
        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
        __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
        goto __pyx_L8_except_return;
      }
      goto __pyx_L7_except_error;
      __pyx_L7_except_error:;

      /* "mathics/core/pattern.py":290
 *                         return
 * 
 *             try:             # <<<<<<<<<<<<<<
 *                 self.head.match(yield_head, expression.get_head(), vars, evaluation)
 *             except StopGenerator_ExpressionPattern_match:
 */
      __Pyx_XGIVEREF(__pyx_t_7);
      __Pyx_XGIVEREF(__pyx_t_8);
      __Pyx_XGIVEREF(__pyx_t_9);
      __Pyx_ExceptionReset(__pyx_t_7, __pyx_t_8, __pyx_t_9);
      goto __pyx_L1_error;
      __pyx_L8_except_return:;
      __Pyx_XGIVEREF(__pyx_t_7);
      __Pyx_XGIVEREF(__pyx_t_8);
      __Pyx_XGIVEREF(__pyx_t_9);
      __Pyx_ExceptionReset(__pyx_t_7, __pyx_t_8, __pyx_t_9);
      goto __pyx_L0;
      __pyx_L10_try_end:;
    }

    /* "mathics/core/pattern.py":193
 *         if "System`Flat" not in attributes:
 *             fully = True
 *         if not expression.is_atom():             # <<<<<<<<<<<<<<
 *             # don't do this here, as self.get_pre_choices changes the
 *             # ordering of the leaves!
 */
  }

  /* "mathics/core/pattern.py":295
 *                 return
 *         if (
 *             wrap_oneid             # <<<<<<<<<<<<<<
 *             and not evaluation.ignore_oneidentity
 *             and "System`OneIdentity" in attributes
 */
  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_v_wrap_oneid); if (unlikely(__pyx_t_6 < 0)) __PYX_ERR(0, 295, __pyx_L1_error)
  if (__pyx_t_6) {
  } else {
    __pyx_t_5 = __pyx_t_6;
    goto __pyx_L14_bool_binop_done;
  }

  /* "mathics/core/pattern.py":296
 *         if (
 *             wrap_oneid
 *             and not evaluation.ignore_oneidentity             # <<<<<<<<<<<<<<
 *             and "System`OneIdentity" in attributes
 *             and expression.get_head() != self.head  # nopep8
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_evaluation, __pyx_n_s_ignore_oneidentity); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 296, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) __PYX_ERR(0, 296, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_12 = ((!__pyx_t_6) != 0);
  if (__pyx_t_12) {
  } else {
    __pyx_t_5 = __pyx_t_12;
    goto __pyx_L14_bool_binop_done;
  }

  /* "mathics/core/pattern.py":297
 *             wrap_oneid
 *             and not evaluation.ignore_oneidentity
 *             and "System`OneIdentity" in attributes             # <<<<<<<<<<<<<<
 *             and expression.get_head() != self.head  # nopep8
 *             and expression != self.head
 */
  __pyx_t_12 = (__Pyx_PySequence_ContainsTF(__pyx_kp_u_System_OneIdentity, __pyx_cur_scope->__pyx_v_attributes, Py_EQ)); if (unlikely(__pyx_t_12 < 0)) __PYX_ERR(0, 297, __pyx_L1_error)
  __pyx_t_6 = (__pyx_t_12 != 0);
  if (__pyx_t_6) {
  } else {
    __pyx_t_5 = __pyx_t_6;
    goto __pyx_L14_bool_binop_done;
  }

  /* "mathics/core/pattern.py":298
 *             and not evaluation.ignore_oneidentity
 *             and "System`OneIdentity" in attributes
 *             and expression.get_head() != self.head  # nopep8             # <<<<<<<<<<<<<<
 *             and expression != self.head
 *         ):
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_get_head); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 298, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_10 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_10 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_10)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_10);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
    }
  }
  __pyx_t_1 = (__pyx_t_10) ? __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_10) : __Pyx_PyObject_CallNoArg(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_10); __pyx_t_10 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 298, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_head); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 298, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_10 = PyObject_RichCompare(__pyx_t_1, __pyx_t_2, Py_NE); __Pyx_XGOTREF(__pyx_t_10); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 298, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_10); if (unlikely(__pyx_t_6 < 0)) __PYX_ERR(0, 298, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  if (__pyx_t_6) {
  } else {
    __pyx_t_5 = __pyx_t_6;
    goto __pyx_L14_bool_binop_done;
  }

  /* "mathics/core/pattern.py":299
 *             and "System`OneIdentity" in attributes
 *             and expression.get_head() != self.head  # nopep8
 *             and expression != self.head             # <<<<<<<<<<<<<<
 *         ):
 *             # and 'OneIdentity' not in
 */
  __pyx_t_10 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_head); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 299, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_10);
  __pyx_t_2 = PyObject_RichCompare(__pyx_cur_scope->__pyx_v_expression, __pyx_t_10, Py_NE); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 299, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_6 < 0)) __PYX_ERR(0, 299, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_5 = __pyx_t_6;
  __pyx_L14_bool_binop_done:;

  /* "mathics/core/pattern.py":294
 *             except StopGenerator_ExpressionPattern_match:
 *                 return
 *         if (             # <<<<<<<<<<<<<<
 *             wrap_oneid
 *             and not evaluation.ignore_oneidentity
 */
  if (__pyx_t_5) {

    /* "mathics/core/pattern.py":304
 *             # (expression.get_attributes(evaluation.definitions) |
 *             # expression.get_head().get_attributes(evaluation.definitions)):
 *             new_expression = Expression(self.head, expression)             # <<<<<<<<<<<<<<
 *             for leaf in self.leaves:
 *                 leaf.match_count = leaf.get_match_count()
 */
    __Pyx_GetModuleGlobalName(__pyx_t_10, __pyx_n_s_Expression); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 304, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_10);
    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_head); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 304, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_3 = NULL;
    __pyx_t_11 = 0;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_10))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_10);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_10);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_10, function);
        __pyx_t_11 = 1;
      }
    }
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_10)) {
      PyObject *__pyx_temp[3] = {__pyx_t_3, __pyx_t_1, __pyx_cur_scope->__pyx_v_expression};
      __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_10, __pyx_temp+1-__pyx_t_11, 2+__pyx_t_11); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 304, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_10)) {
      PyObject *__pyx_temp[3] = {__pyx_t_3, __pyx_t_1, __pyx_cur_scope->__pyx_v_expression};
      __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_10, __pyx_temp+1-__pyx_t_11, 2+__pyx_t_11); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 304, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    } else
    #endif
    {
      __pyx_t_4 = PyTuple_New(2+__pyx_t_11); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 304, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      if (__pyx_t_3) {
        __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_3); __pyx_t_3 = NULL;
      }
      __Pyx_GIVEREF(__pyx_t_1);
      PyTuple_SET_ITEM(__pyx_t_4, 0+__pyx_t_11, __pyx_t_1);
      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
      PyTuple_SET_ITEM(__pyx_t_4, 1+__pyx_t_11, __pyx_cur_scope->__pyx_v_expression);
      __pyx_t_1 = 0;
      __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_10, __pyx_t_4, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 304, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    }
    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    __pyx_v_new_expression = __pyx_t_2;
    __pyx_t_2 = 0;

    /* "mathics/core/pattern.py":305
 *             # expression.get_head().get_attributes(evaluation.definitions)):
 *             new_expression = Expression(self.head, expression)
 *             for leaf in self.leaves:             # <<<<<<<<<<<<<<
 *                 leaf.match_count = leaf.get_match_count()
 *                 leaf.candidates = [expression]
 */
    __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 305, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    if (likely(PyList_CheckExact(__pyx_t_2)) || PyTuple_CheckExact(__pyx_t_2)) {
      __pyx_t_10 = __pyx_t_2; __Pyx_INCREF(__pyx_t_10); __pyx_t_13 = 0;
      __pyx_t_14 = NULL;
    } else {
      __pyx_t_13 = -1; __pyx_t_10 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 305, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_10);
      __pyx_t_14 = Py_TYPE(__pyx_t_10)->tp_iternext; if (unlikely(!__pyx_t_14)) __PYX_ERR(0, 305, __pyx_L1_error)
    }
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    for (;;) {
      if (likely(!__pyx_t_14)) {
        if (likely(PyList_CheckExact(__pyx_t_10))) {
          if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_10)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_2 = PyList_GET_ITEM(__pyx_t_10, __pyx_t_13); __Pyx_INCREF(__pyx_t_2); __pyx_t_13++; if (unlikely(0 < 0)) __PYX_ERR(0, 305, __pyx_L1_error)
          #else
          __pyx_t_2 = PySequence_ITEM(__pyx_t_10, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 305, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_2);
          #endif
        } else {
          if (__pyx_t_13 >= PyTuple_GET_SIZE(__pyx_t_10)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_10, __pyx_t_13); __Pyx_INCREF(__pyx_t_2); __pyx_t_13++; if (unlikely(0 < 0)) __PYX_ERR(0, 305, __pyx_L1_error)
          #else
          __pyx_t_2 = PySequence_ITEM(__pyx_t_10, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 305, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_2);
          #endif
        }
      } else {
        __pyx_t_2 = __pyx_t_14(__pyx_t_10);
        if (unlikely(!__pyx_t_2)) {
          PyObject* exc_type = PyErr_Occurred();
          if (exc_type) {
            if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
            else __PYX_ERR(0, 305, __pyx_L1_error)
          }
          break;
        }
        __Pyx_GOTREF(__pyx_t_2);
      }
      __Pyx_XDECREF_SET(__pyx_v_leaf, __pyx_t_2);
      __pyx_t_2 = 0;

      /* "mathics/core/pattern.py":306
 *             new_expression = Expression(self.head, expression)
 *             for leaf in self.leaves:
 *                 leaf.match_count = leaf.get_match_count()             # <<<<<<<<<<<<<<
 *                 leaf.candidates = [expression]
 *                 # leaf.get_match_candidates(
 */
      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_v_leaf, __pyx_n_s_get_match_count); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 306, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_1 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
        __pyx_t_1 = PyMethod_GET_SELF(__pyx_t_4);
        if (likely(__pyx_t_1)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
          __Pyx_INCREF(__pyx_t_1);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_4, function);
        }
      }
      __pyx_t_2 = (__pyx_t_1) ? __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_1) : __Pyx_PyObject_CallNoArg(__pyx_t_4);
      __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
      if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 306, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (__Pyx_PyObject_SetAttrStr(__pyx_v_leaf, __pyx_n_s_match_count, __pyx_t_2) < 0) __PYX_ERR(0, 306, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

      /* "mathics/core/pattern.py":307
 *             for leaf in self.leaves:
 *                 leaf.match_count = leaf.get_match_count()
 *                 leaf.candidates = [expression]             # <<<<<<<<<<<<<<
 *                 # leaf.get_match_candidates(
 *                 #    new_expression.leaves, new_expression, attributes,
 */
      __pyx_t_2 = PyList_New(1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 307, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
      PyList_SET_ITEM(__pyx_t_2, 0, __pyx_cur_scope->__pyx_v_expression);
      if (__Pyx_PyObject_SetAttrStr(__pyx_v_leaf, __pyx_n_s_candidates, __pyx_t_2) < 0) __PYX_ERR(0, 307, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

      /* "mathics/core/pattern.py":311
 *                 #    new_expression.leaves, new_expression, attributes,
 *                 #    evaluation, vars)
 *                 if len(leaf.candidates) < leaf.match_count[0]:             # <<<<<<<<<<<<<<
 *                     return
 *             # for new_vars, rest in self.match_leaf(
 */
      __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_leaf, __pyx_n_s_candidates); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 311, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);
      __pyx_t_15 = PyObject_Length(__pyx_t_2); if (unlikely(__pyx_t_15 == ((Py_ssize_t)-1))) __PYX_ERR(0, 311, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __pyx_t_2 = PyInt_FromSsize_t(__pyx_t_15); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 311, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);
      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_v_leaf, __pyx_n_s_match_count); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 311, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_1 = __Pyx_GetItemInt(__pyx_t_4, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 311, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_4 = PyObject_RichCompare(__pyx_t_2, __pyx_t_1, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 311, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
      __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) __PYX_ERR(0, 311, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (__pyx_t_5) {

        /* "mathics/core/pattern.py":312
 *                 #    evaluation, vars)
 *                 if len(leaf.candidates) < leaf.match_count[0]:
 *                     return             # <<<<<<<<<<<<<<
 *             # for new_vars, rest in self.match_leaf(
 *             #    self.leaves[0], self.leaves[1:],
 */
        __Pyx_XDECREF(__pyx_r);
        __pyx_r = Py_None; __Pyx_INCREF(Py_None);
        __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
        goto __pyx_L0;

        /* "mathics/core/pattern.py":311
 *                 #    new_expression.leaves, new_expression, attributes,
 *                 #    evaluation, vars)
 *                 if len(leaf.candidates) < leaf.match_count[0]:             # <<<<<<<<<<<<<<
 *                     return
 *             # for new_vars, rest in self.match_leaf(
 */
      }

      /* "mathics/core/pattern.py":305
 *             # expression.get_head().get_attributes(evaluation.definitions)):
 *             new_expression = Expression(self.head, expression)
 *             for leaf in self.leaves:             # <<<<<<<<<<<<<<
 *                 leaf.match_count = leaf.get_match_count()
 *                 leaf.candidates = [expression]
 */
    }
    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;

    /* "mathics/core/pattern.py":320
 *             # def yield_leaf(new_vars, rest):
 *             #    yield_func(new_vars, rest)
 *             self.match_leaf(             # <<<<<<<<<<<<<<
 *                 yield_func,
 *                 self.leaves[0],
 */
    __pyx_t_10 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_match_leaf); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 320, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_10);

    /* "mathics/core/pattern.py":322
 *             self.match_leaf(
 *                 yield_func,
 *                 self.leaves[0],             # <<<<<<<<<<<<<<
 *                 self.leaves[1:],
 *                 ([], [expression]),
 */
    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 322, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_1 = __Pyx_GetItemInt(__pyx_t_4, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 322, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":323
 *                 yield_func,
 *                 self.leaves[0],
 *                 self.leaves[1:],             # <<<<<<<<<<<<<<
 *                 ([], [expression]),
 *                 vars,
 */
    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 323, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_2 = __Pyx_PyObject_GetSlice(__pyx_t_4, 1, 0, NULL, NULL, &__pyx_slice__4, 1, 0, 1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 323, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":324
 *                 self.leaves[0],
 *                 self.leaves[1:],
 *                 ([], [expression]),             # <<<<<<<<<<<<<<
 *                 vars,
 *                 new_expression,
 */
    __pyx_t_4 = PyList_New(0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 324, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_3 = PyList_New(1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 324, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
    PyList_SET_ITEM(__pyx_t_3, 0, __pyx_cur_scope->__pyx_v_expression);
    __pyx_t_16 = PyTuple_New(2); if (unlikely(!__pyx_t_16)) __PYX_ERR(0, 324, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_16);
    __Pyx_GIVEREF(__pyx_t_4);
    PyTuple_SET_ITEM(__pyx_t_16, 0, __pyx_t_4);
    __Pyx_GIVEREF(__pyx_t_3);
    PyTuple_SET_ITEM(__pyx_t_16, 1, __pyx_t_3);
    __pyx_t_4 = 0;
    __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":320
 *             # def yield_leaf(new_vars, rest):
 *             #    yield_func(new_vars, rest)
 *             self.match_leaf(             # <<<<<<<<<<<<<<
 *                 yield_func,
 *                 self.leaves[0],
 */
    __pyx_t_3 = PyTuple_New(8); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 320, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_func);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_yield_func);
    PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_cur_scope->__pyx_v_yield_func);
    __Pyx_GIVEREF(__pyx_t_1);
    PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_1);
    __Pyx_GIVEREF(__pyx_t_2);
    PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_t_2);
    __Pyx_GIVEREF(__pyx_t_16);
    PyTuple_SET_ITEM(__pyx_t_3, 3, __pyx_t_16);
    __Pyx_INCREF(__pyx_v_vars);
    __Pyx_GIVEREF(__pyx_v_vars);
    PyTuple_SET_ITEM(__pyx_t_3, 4, __pyx_v_vars);
    __Pyx_INCREF(__pyx_v_new_expression);
    __Pyx_GIVEREF(__pyx_v_new_expression);
    PyTuple_SET_ITEM(__pyx_t_3, 5, __pyx_v_new_expression);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_attributes);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_attributes);
    PyTuple_SET_ITEM(__pyx_t_3, 6, __pyx_cur_scope->__pyx_v_attributes);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_evaluation);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_evaluation);
    PyTuple_SET_ITEM(__pyx_t_3, 7, __pyx_cur_scope->__pyx_v_evaluation);
    __pyx_t_1 = 0;
    __pyx_t_2 = 0;
    __pyx_t_16 = 0;

    /* "mathics/core/pattern.py":329
 *                 attributes,
 *                 evaluation,
 *                 first=True,             # <<<<<<<<<<<<<<
 *                 fully=fully,
 *                 leaf_count=len(self.leaves),
 */
    __pyx_t_16 = __Pyx_PyDict_NewPresized(4); if (unlikely(!__pyx_t_16)) __PYX_ERR(0, 329, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_16);
    if (PyDict_SetItem(__pyx_t_16, __pyx_n_s_first, Py_True) < 0) __PYX_ERR(0, 329, __pyx_L1_error)

    /* "mathics/core/pattern.py":330
 *                 evaluation,
 *                 first=True,
 *                 fully=fully,             # <<<<<<<<<<<<<<
 *                 leaf_count=len(self.leaves),
 *                 wrap_oneid=True,
 */
    if (PyDict_SetItem(__pyx_t_16, __pyx_n_s_fully, __pyx_cur_scope->__pyx_v_fully) < 0) __PYX_ERR(0, 329, __pyx_L1_error)

    /* "mathics/core/pattern.py":331
 *                 first=True,
 *                 fully=fully,
 *                 leaf_count=len(self.leaves),             # <<<<<<<<<<<<<<
 *                 wrap_oneid=True,
 *             )
 */
    __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 331, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_13 = PyObject_Length(__pyx_t_2); if (unlikely(__pyx_t_13 == ((Py_ssize_t)-1))) __PYX_ERR(0, 331, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __pyx_t_2 = PyInt_FromSsize_t(__pyx_t_13); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 331, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    if (PyDict_SetItem(__pyx_t_16, __pyx_n_s_leaf_count, __pyx_t_2) < 0) __PYX_ERR(0, 329, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

    /* "mathics/core/pattern.py":332
 *                 fully=fully,
 *                 leaf_count=len(self.leaves),
 *                 wrap_oneid=True,             # <<<<<<<<<<<<<<
 *             )
 * 
 */
    if (PyDict_SetItem(__pyx_t_16, __pyx_n_s_wrap_oneid, Py_True) < 0) __PYX_ERR(0, 329, __pyx_L1_error)

    /* "mathics/core/pattern.py":320
 *             # def yield_leaf(new_vars, rest):
 *             #    yield_func(new_vars, rest)
 *             self.match_leaf(             # <<<<<<<<<<<<<<
 *                 yield_func,
 *                 self.leaves[0],
 */
    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_10, __pyx_t_3, __pyx_t_16); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 320, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

    /* "mathics/core/pattern.py":294
 *             except StopGenerator_ExpressionPattern_match:
 *                 return
 *         if (             # <<<<<<<<<<<<<<
 *             wrap_oneid
 *             and not evaluation.ignore_oneidentity
 */
  }

  /* "mathics/core/pattern.py":176
 *     # match = pattern_nocython.match
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_10);
  __Pyx_XDECREF(__pyx_t_16);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_yield_head);
  __Pyx_XDECREF(__pyx_v_new_expression);
  __Pyx_XDECREF(__pyx_v_leaf);
  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":335
 *             )
 * 
 *     def get_pre_choices(self, yield_func, expression, attributes, vars):             # <<<<<<<<<<<<<<
 *         if "System`Orderless" in attributes:
 *             self.sort()
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_3get_pre_choices(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_3get_pre_choices = {"get_pre_choices", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_3get_pre_choices, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_3get_pre_choices(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_yield_func = 0;
  PyObject *__pyx_v_expression = 0;
  PyObject *__pyx_v_attributes = 0;
  PyObject *__pyx_v_vars = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_pre_choices (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_yield_func,&__pyx_n_s_expression,&__pyx_n_s_attributes,&__pyx_n_s_vars,0};
    PyObject* values[5] = {0,0,0,0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_yield_func)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_pre_choices", 1, 5, 5, 1); __PYX_ERR(0, 335, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_pre_choices", 1, 5, 5, 2); __PYX_ERR(0, 335, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_attributes)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_pre_choices", 1, 5, 5, 3); __PYX_ERR(0, 335, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_pre_choices", 1, 5, 5, 4); __PYX_ERR(0, 335, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_pre_choices") < 0)) __PYX_ERR(0, 335, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 5) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
      values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
      values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
    }
    __pyx_v_self = values[0];
    __pyx_v_yield_func = values[1];
    __pyx_v_expression = values[2];
    __pyx_v_attributes = values[3];
    __pyx_v_vars = values[4];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_pre_choices", 1, 5, 5, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 335, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_pre_choices", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_2get_pre_choices(__pyx_self, __pyx_v_self, __pyx_v_yield_func, __pyx_v_expression, __pyx_v_attributes, __pyx_v_vars);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":361
 *                 expr_groups[leaf] = expr_groups.get(leaf, 0) + 1
 * 
 *             def per_name(yield_name, groups, vars):             # <<<<<<<<<<<<<<
 *                 """
 *                 Yields possible variable settings (dictionaries) for the
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_1per_name(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_per_name[] = "\n                Yields possible variable settings (dictionaries) for the\n                remaining pattern groups\n                ";
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_1per_name = {"per_name", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_1per_name, METH_VARARGS|METH_KEYWORDS, __pyx_doc_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_per_name};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_1per_name(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_yield_name = 0;
  PyObject *__pyx_v_groups = 0;
  PyObject *__pyx_v_vars = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("per_name (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_yield_name,&__pyx_n_s_groups,&__pyx_n_s_vars,0};
    PyObject* values[3] = {0,0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_yield_name)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_groups)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("per_name", 1, 3, 3, 1); __PYX_ERR(0, 361, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("per_name", 1, 3, 3, 2); __PYX_ERR(0, 361, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "per_name") < 0)) __PYX_ERR(0, 361, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
    }
    __pyx_v_yield_name = values[0];
    __pyx_v_groups = values[1];
    __pyx_v_vars = values[2];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("per_name", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 361, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_pre_choices.per_name", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_per_name(__pyx_self, __pyx_v_yield_name, __pyx_v_groups, __pyx_v_vars);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}
static PyObject *__pyx_gb_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_2generator(__pyx_CoroutineObject *__pyx_generator, CYTHON_UNUSED PyThreadState *__pyx_tstate, PyObject *__pyx_sent_value); /* proto */

/* "mathics/core/pattern.py":383
 *                     # sum = 0
 * 
 *                     def per_expr(yield_expr, expr_groups, sum=0):             # <<<<<<<<<<<<<<
 *                         """
 *                         Yields possible values (sequence lists) for the current
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_1per_expr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_per_expr[] = "\n                        Yields possible values (sequence lists) for the current\n                        variable (name) taking into account the\n                        (expression, count)'s in expr_groups\n                        ";
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_1per_expr = {"per_expr", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_1per_expr, METH_VARARGS|METH_KEYWORDS, __pyx_doc_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_per_expr};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_1per_expr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_yield_expr = 0;
  PyObject *__pyx_v_expr_groups = 0;
  PyObject *__pyx_v_sum = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("per_expr (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_yield_expr,&__pyx_n_s_expr_groups,&__pyx_n_s_sum,0};
    PyObject* values[3] = {0,0,0};
    values[2] = ((PyObject *)((PyObject *)__pyx_int_0));
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_yield_expr)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expr_groups)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("per_expr", 0, 2, 3, 1); __PYX_ERR(0, 383, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_sum);
          if (value) { values[2] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "per_expr") < 0)) __PYX_ERR(0, 383, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_yield_expr = values[0];
    __pyx_v_expr_groups = values[1];
    __pyx_v_sum = values[2];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("per_expr", 0, 2, 3, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 383, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_pre_choices.per_name.per_expr", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_per_expr(__pyx_self, __pyx_v_yield_expr, __pyx_v_expr_groups, __pyx_v_sum);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_per_expr(PyObject *__pyx_self, PyObject *__pyx_v_yield_expr, PyObject *__pyx_v_expr_groups, PyObject *__pyx_v_sum) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *__pyx_cur_scope;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("per_expr", 0);
  __pyx_cur_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *)__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr(__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr, __pyx_empty_tuple, NULL);
  if (unlikely(!__pyx_cur_scope)) {
    __pyx_cur_scope = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *)Py_None);
    __Pyx_INCREF(Py_None);
    __PYX_ERR(0, 383, __pyx_L1_error)
  } else {
    __Pyx_GOTREF(__pyx_cur_scope);
  }
  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *) __Pyx_CyFunction_GetClosure(__pyx_self);
  __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
  __pyx_cur_scope->__pyx_v_yield_expr = __pyx_v_yield_expr;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_expr);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_yield_expr);
  __pyx_cur_scope->__pyx_v_expr_groups = __pyx_v_expr_groups;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expr_groups);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expr_groups);
  __pyx_cur_scope->__pyx_v_sum = __pyx_v_sum;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_sum);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_sum);
  {
    __pyx_CoroutineObject *gen = __Pyx_Generator_New((__pyx_coroutine_body_t) __pyx_gb_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_2generator, NULL, (PyObject *) __pyx_cur_scope, __pyx_n_s_per_expr, __pyx_n_s_ExpressionPattern_get_pre_choice, __pyx_n_s_mathics_core_pattern); if (unlikely(!gen)) __PYX_ERR(0, 383, __pyx_L1_error)
    __Pyx_DECREF(__pyx_cur_scope);
    __Pyx_RefNannyFinishContext();
    return (PyObject *) gen;
  }

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_pre_choices.per_name.per_expr", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_gb_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_2generator(__pyx_CoroutineObject *__pyx_generator, CYTHON_UNUSED PyThreadState *__pyx_tstate, PyObject *__pyx_sent_value) /* generator body */
{
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *__pyx_cur_scope = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *)__pyx_generator->closure);
  PyObject *__pyx_r = NULL;
  int __pyx_t_1;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *(*__pyx_t_6)(PyObject *);
  Py_ssize_t __pyx_t_7;
  PyObject *(*__pyx_t_8)(PyObject *);
  Py_ssize_t __pyx_t_9;
  PyObject *(*__pyx_t_10)(PyObject *);
  PyObject *__pyx_t_11 = NULL;
  PyObject *__pyx_t_12 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("per_expr", 0);
  switch (__pyx_generator->resume_label) {
    case 0: goto __pyx_L3_first_run;
    case 1: goto __pyx_L12_resume_from_yield;
    default: /* CPython raises the right error here */
    __Pyx_RefNannyFinishContext();
    return NULL;
  }
  __pyx_L3_first_run:;
  if (unlikely(!__pyx_sent_value)) __PYX_ERR(0, 383, __pyx_L1_error)

  /* "mathics/core/pattern.py":390
 *                         """
 * 
 *                         if expr_groups:             # <<<<<<<<<<<<<<
 *                             expr, count = expr_groups.popitem()
 *                             max_per_pattern = count // len(patterns)
 */
  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_expr_groups); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 390, __pyx_L1_error)
  if (__pyx_t_1) {

    /* "mathics/core/pattern.py":391
 * 
 *                         if expr_groups:
 *                             expr, count = expr_groups.popitem()             # <<<<<<<<<<<<<<
 *                             max_per_pattern = count // len(patterns)
 *                             for per_pattern in range(max_per_pattern, -1, -1):
 */
    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expr_groups, __pyx_n_s_popitem); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 391, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_4 = NULL;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
      __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
      if (likely(__pyx_t_4)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
        __Pyx_INCREF(__pyx_t_4);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_3, function);
      }
    }
    __pyx_t_2 = (__pyx_t_4) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
    __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
    if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 391, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    if ((likely(PyTuple_CheckExact(__pyx_t_2))) || (PyList_CheckExact(__pyx_t_2))) {
      PyObject* sequence = __pyx_t_2;
      Py_ssize_t size = __Pyx_PySequence_SIZE(sequence);
      if (unlikely(size != 2)) {
        if (size > 2) __Pyx_RaiseTooManyValuesError(2);
        else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
        __PYX_ERR(0, 391, __pyx_L1_error)
      }
      #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
      if (likely(PyTuple_CheckExact(sequence))) {
        __pyx_t_3 = PyTuple_GET_ITEM(sequence, 0); 
        __pyx_t_4 = PyTuple_GET_ITEM(sequence, 1); 
      } else {
        __pyx_t_3 = PyList_GET_ITEM(sequence, 0); 
        __pyx_t_4 = PyList_GET_ITEM(sequence, 1); 
      }
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_4);
      #else
      __pyx_t_3 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 391, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 391, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      #endif
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    } else {
      Py_ssize_t index = -1;
      __pyx_t_5 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 391, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __pyx_t_6 = Py_TYPE(__pyx_t_5)->tp_iternext;
      index = 0; __pyx_t_3 = __pyx_t_6(__pyx_t_5); if (unlikely(!__pyx_t_3)) goto __pyx_L5_unpacking_failed;
      __Pyx_GOTREF(__pyx_t_3);
      index = 1; __pyx_t_4 = __pyx_t_6(__pyx_t_5); if (unlikely(!__pyx_t_4)) goto __pyx_L5_unpacking_failed;
      __Pyx_GOTREF(__pyx_t_4);
      if (__Pyx_IternextUnpackEndCheck(__pyx_t_6(__pyx_t_5), 2) < 0) __PYX_ERR(0, 391, __pyx_L1_error)
      __pyx_t_6 = NULL;
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      goto __pyx_L6_unpacking_done;
      __pyx_L5_unpacking_failed:;
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __pyx_t_6 = NULL;
      if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
      __PYX_ERR(0, 391, __pyx_L1_error)
      __pyx_L6_unpacking_done:;
    }
    __Pyx_GIVEREF(__pyx_t_3);
    __pyx_cur_scope->__pyx_v_expr = __pyx_t_3;
    __pyx_t_3 = 0;
    __Pyx_GIVEREF(__pyx_t_4);
    __pyx_cur_scope->__pyx_v_count = __pyx_t_4;
    __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":392
 *                         if expr_groups:
 *                             expr, count = expr_groups.popitem()
 *                             max_per_pattern = count // len(patterns)             # <<<<<<<<<<<<<<
 *                             for per_pattern in range(max_per_pattern, -1, -1):
 *                                 for next in per_expr(  # nopep8
 */
    if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_patterns)) { __Pyx_RaiseClosureNameError("patterns"); __PYX_ERR(0, 392, __pyx_L1_error) }
    __pyx_t_2 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_patterns;
    __Pyx_INCREF(__pyx_t_2);
    __pyx_t_7 = PyObject_Length(__pyx_t_2); if (unlikely(__pyx_t_7 == ((Py_ssize_t)-1))) __PYX_ERR(0, 392, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __pyx_t_2 = PyInt_FromSsize_t(__pyx_t_7); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 392, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_4 = PyNumber_FloorDivide(__pyx_cur_scope->__pyx_v_count, __pyx_t_2); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 392, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_GIVEREF(__pyx_t_4);
    __pyx_cur_scope->__pyx_v_max_per_pattern = __pyx_t_4;
    __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":393
 *                             expr, count = expr_groups.popitem()
 *                             max_per_pattern = count // len(patterns)
 *                             for per_pattern in range(max_per_pattern, -1, -1):             # <<<<<<<<<<<<<<
 *                                 for next in per_expr(  # nopep8
 *                                     expr_groups, sum + per_pattern
 */
    __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 393, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_max_per_pattern);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_max_per_pattern);
    PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_cur_scope->__pyx_v_max_per_pattern);
    __Pyx_INCREF(__pyx_int_neg_1);
    __Pyx_GIVEREF(__pyx_int_neg_1);
    PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_int_neg_1);
    __Pyx_INCREF(__pyx_int_neg_1);
    __Pyx_GIVEREF(__pyx_int_neg_1);
    PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_int_neg_1);
    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_builtin_range, __pyx_t_4, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 393, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    if (likely(PyList_CheckExact(__pyx_t_2)) || PyTuple_CheckExact(__pyx_t_2)) {
      __pyx_t_4 = __pyx_t_2; __Pyx_INCREF(__pyx_t_4); __pyx_t_7 = 0;
      __pyx_t_8 = NULL;
    } else {
      __pyx_t_7 = -1; __pyx_t_4 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 393, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_8 = Py_TYPE(__pyx_t_4)->tp_iternext; if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 393, __pyx_L1_error)
    }
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    for (;;) {
      if (likely(!__pyx_t_8)) {
        if (likely(PyList_CheckExact(__pyx_t_4))) {
          if (__pyx_t_7 >= PyList_GET_SIZE(__pyx_t_4)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_2 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_7); __Pyx_INCREF(__pyx_t_2); __pyx_t_7++; if (unlikely(0 < 0)) __PYX_ERR(0, 393, __pyx_L1_error)
          #else
          __pyx_t_2 = PySequence_ITEM(__pyx_t_4, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 393, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_2);
          #endif
        } else {
          if (__pyx_t_7 >= PyTuple_GET_SIZE(__pyx_t_4)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_7); __Pyx_INCREF(__pyx_t_2); __pyx_t_7++; if (unlikely(0 < 0)) __PYX_ERR(0, 393, __pyx_L1_error)
          #else
          __pyx_t_2 = PySequence_ITEM(__pyx_t_4, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 393, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_2);
          #endif
        }
      } else {
        __pyx_t_2 = __pyx_t_8(__pyx_t_4);
        if (unlikely(!__pyx_t_2)) {
          PyObject* exc_type = PyErr_Occurred();
          if (exc_type) {
            if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
            else __PYX_ERR(0, 393, __pyx_L1_error)
          }
          break;
        }
        __Pyx_GOTREF(__pyx_t_2);
      }
      __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_per_pattern);
      __Pyx_XDECREF_SET(__pyx_cur_scope->__pyx_v_per_pattern, __pyx_t_2);
      __Pyx_GIVEREF(__pyx_t_2);
      __pyx_t_2 = 0;

      /* "mathics/core/pattern.py":394
 *                             max_per_pattern = count // len(patterns)
 *                             for per_pattern in range(max_per_pattern, -1, -1):
 *                                 for next in per_expr(  # nopep8             # <<<<<<<<<<<<<<
 *                                     expr_groups, sum + per_pattern
 *                                 ):
 */
      if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_per_expr)) { __Pyx_RaiseClosureNameError("per_expr"); __PYX_ERR(0, 394, __pyx_L1_error) }

      /* "mathics/core/pattern.py":395
 *                             for per_pattern in range(max_per_pattern, -1, -1):
 *                                 for next in per_expr(  # nopep8
 *                                     expr_groups, sum + per_pattern             # <<<<<<<<<<<<<<
 *                                 ):
 *                                     yield_expr([expr] * per_pattern + next)
 */
      __pyx_t_2 = PyNumber_Add(__pyx_cur_scope->__pyx_v_sum, __pyx_cur_scope->__pyx_v_per_pattern); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 395, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);

      /* "mathics/core/pattern.py":394
 *                             max_per_pattern = count // len(patterns)
 *                             for per_pattern in range(max_per_pattern, -1, -1):
 *                                 for next in per_expr(  # nopep8             # <<<<<<<<<<<<<<
 *                                     expr_groups, sum + per_pattern
 *                                 ):
 */
      __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 394, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expr_groups);
      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expr_groups);
      PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_cur_scope->__pyx_v_expr_groups);
      __Pyx_GIVEREF(__pyx_t_2);
      PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_2);
      __pyx_t_2 = 0;
      __pyx_t_2 = __Pyx_PyObject_Call(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_per_expr, __pyx_t_3, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 394, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (likely(PyList_CheckExact(__pyx_t_2)) || PyTuple_CheckExact(__pyx_t_2)) {
        __pyx_t_3 = __pyx_t_2; __Pyx_INCREF(__pyx_t_3); __pyx_t_9 = 0;
        __pyx_t_10 = NULL;
      } else {
        __pyx_t_9 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 394, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __pyx_t_10 = Py_TYPE(__pyx_t_3)->tp_iternext; if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 394, __pyx_L1_error)
      }
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      for (;;) {
        if (likely(!__pyx_t_10)) {
          if (likely(PyList_CheckExact(__pyx_t_3))) {
            if (__pyx_t_9 >= PyList_GET_SIZE(__pyx_t_3)) break;
            #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
            __pyx_t_2 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_9); __Pyx_INCREF(__pyx_t_2); __pyx_t_9++; if (unlikely(0 < 0)) __PYX_ERR(0, 394, __pyx_L1_error)
            #else
            __pyx_t_2 = PySequence_ITEM(__pyx_t_3, __pyx_t_9); __pyx_t_9++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 394, __pyx_L1_error)
            __Pyx_GOTREF(__pyx_t_2);
            #endif
          } else {
            if (__pyx_t_9 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
            #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
            __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_9); __Pyx_INCREF(__pyx_t_2); __pyx_t_9++; if (unlikely(0 < 0)) __PYX_ERR(0, 394, __pyx_L1_error)
            #else
            __pyx_t_2 = PySequence_ITEM(__pyx_t_3, __pyx_t_9); __pyx_t_9++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 394, __pyx_L1_error)
            __Pyx_GOTREF(__pyx_t_2);
            #endif
          }
        } else {
          __pyx_t_2 = __pyx_t_10(__pyx_t_3);
          if (unlikely(!__pyx_t_2)) {
            PyObject* exc_type = PyErr_Occurred();
            if (exc_type) {
              if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
              else __PYX_ERR(0, 394, __pyx_L1_error)
            }
            break;
          }
          __Pyx_GOTREF(__pyx_t_2);
        }
        __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_next);
        __Pyx_XDECREF_SET(__pyx_cur_scope->__pyx_v_next, __pyx_t_2);
        __Pyx_GIVEREF(__pyx_t_2);
        __pyx_t_2 = 0;

        /* "mathics/core/pattern.py":397
 *                                     expr_groups, sum + per_pattern
 *                                 ):
 *                                     yield_expr([expr] * per_pattern + next)             # <<<<<<<<<<<<<<
 *                         else:
 *                             if sum >= match_count[0]:
 */
        __pyx_t_5 = PyList_New(1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 397, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expr);
        __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expr);
        PyList_SET_ITEM(__pyx_t_5, 0, __pyx_cur_scope->__pyx_v_expr);
        { PyObject* __pyx_temp = PyNumber_InPlaceMultiply(__pyx_t_5, __pyx_cur_scope->__pyx_v_per_pattern); if (unlikely(!__pyx_temp)) __PYX_ERR(0, 397, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_temp);
          __Pyx_DECREF(__pyx_t_5);
          __pyx_t_5 = __pyx_temp;
        }
        __pyx_t_11 = PyNumber_Add(__pyx_t_5, __pyx_cur_scope->__pyx_v_next); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 397, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_11);
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
        __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_expr);
        __pyx_t_5 = __pyx_cur_scope->__pyx_v_yield_expr; __pyx_t_12 = NULL;
        if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_5))) {
          __pyx_t_12 = PyMethod_GET_SELF(__pyx_t_5);
          if (likely(__pyx_t_12)) {
            PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
            __Pyx_INCREF(__pyx_t_12);
            __Pyx_INCREF(function);
            __Pyx_DECREF_SET(__pyx_t_5, function);
          }
        }
        __pyx_t_2 = (__pyx_t_12) ? __Pyx_PyObject_Call2Args(__pyx_t_5, __pyx_t_12, __pyx_t_11) : __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_11);
        __Pyx_XDECREF(__pyx_t_12); __pyx_t_12 = 0;
        __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
        if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 397, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_2);
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

        /* "mathics/core/pattern.py":394
 *                             max_per_pattern = count // len(patterns)
 *                             for per_pattern in range(max_per_pattern, -1, -1):
 *                                 for next in per_expr(  # nopep8             # <<<<<<<<<<<<<<
 *                                     expr_groups, sum + per_pattern
 *                                 ):
 */
      }
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

      /* "mathics/core/pattern.py":393
 *                             expr, count = expr_groups.popitem()
 *                             max_per_pattern = count // len(patterns)
 *                             for per_pattern in range(max_per_pattern, -1, -1):             # <<<<<<<<<<<<<<
 *                                 for next in per_expr(  # nopep8
 *                                     expr_groups, sum + per_pattern
 */
    }
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":390
 *                         """
 * 
 *                         if expr_groups:             # <<<<<<<<<<<<<<
 *                             expr, count = expr_groups.popitem()
 *                             max_per_pattern = count // len(patterns)
 */
    goto __pyx_L4;
  }

  /* "mathics/core/pattern.py":399
 *                                     yield_expr([expr] * per_pattern + next)
 *                         else:
 *                             if sum >= match_count[0]:             # <<<<<<<<<<<<<<
 *                                 yield_expr([])
 *                             # Until we learn that the below is incorrect, we'll return basically no match.
 */
  /*else*/ {
    if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_match_count)) { __Pyx_RaiseClosureNameError("match_count"); __PYX_ERR(0, 399, __pyx_L1_error) }
    if (unlikely(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_match_count == Py_None)) {
      PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
      __PYX_ERR(0, 399, __pyx_L1_error)
    }
    __pyx_t_4 = __Pyx_GetItemInt_List(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_match_count, 0, long, 1, __Pyx_PyInt_From_long, 1, 0, 1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 399, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_3 = PyObject_RichCompare(__pyx_cur_scope->__pyx_v_sum, __pyx_t_4, Py_GE); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 399, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 399, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    if (__pyx_t_1) {

      /* "mathics/core/pattern.py":400
 *                         else:
 *                             if sum >= match_count[0]:
 *                                 yield_expr([])             # <<<<<<<<<<<<<<
 *                             # Until we learn that the below is incorrect, we'll return basically no match.
 *                             yield None
 */
      __pyx_t_4 = PyList_New(0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 400, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_expr);
      __pyx_t_2 = __pyx_cur_scope->__pyx_v_yield_expr; __pyx_t_5 = NULL;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_2))) {
        __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_2);
        if (likely(__pyx_t_5)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
          __Pyx_INCREF(__pyx_t_5);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_2, function);
        }
      }
      __pyx_t_3 = (__pyx_t_5) ? __Pyx_PyObject_Call2Args(__pyx_t_2, __pyx_t_5, __pyx_t_4) : __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_4);
      __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 400, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

      /* "mathics/core/pattern.py":399
 *                                     yield_expr([expr] * per_pattern + next)
 *                         else:
 *                             if sum >= match_count[0]:             # <<<<<<<<<<<<<<
 *                                 yield_expr([])
 *                             # Until we learn that the below is incorrect, we'll return basically no match.
 */
    }

    /* "mathics/core/pattern.py":402
 *                                 yield_expr([])
 *                             # Until we learn that the below is incorrect, we'll return basically no match.
 *                             yield None             # <<<<<<<<<<<<<<
 * 
 *                     # for sequence in per_expr(expr_groups.items()):
 */
    __Pyx_INCREF(Py_None);
    __pyx_r = Py_None;
    __Pyx_XGIVEREF(__pyx_r);
    __Pyx_RefNannyFinishContext();
    __Pyx_Coroutine_ResetAndClearException(__pyx_generator);
    /* return from generator, yielding value */
    __pyx_generator->resume_label = 1;
    return __pyx_r;
    __pyx_L12_resume_from_yield:;
    if (unlikely(!__pyx_sent_value)) __PYX_ERR(0, 402, __pyx_L1_error)
  }
  __pyx_L4:;
  CYTHON_MAYBE_UNUSED_VAR(__pyx_cur_scope);

  /* "mathics/core/pattern.py":383
 *                     # sum = 0
 * 
 *                     def per_expr(yield_expr, expr_groups, sum=0):             # <<<<<<<<<<<<<<
 *                         """
 *                         Yields possible values (sequence lists) for the current
 */

  /* function exit code */
  PyErr_SetNone(PyExc_StopIteration);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_11);
  __Pyx_XDECREF(__pyx_t_12);
  __Pyx_AddTraceback("per_expr", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_r); __pyx_r = 0;
  #if !CYTHON_USE_EXC_INFO_STACK
  __Pyx_Coroutine_ResetAndClearException(__pyx_generator);
  #endif
  __pyx_generator->resume_label = -1;
  __Pyx_Coroutine_clear((PyObject*)__pyx_generator);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":405
 * 
 *                     # for sequence in per_expr(expr_groups.items()):
 *                     def yield_expr(sequence):             # <<<<<<<<<<<<<<
 *                         # FIXME: this call is wrong and needs a
 *                         # wrapper_function as the 1st parameter.
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_4yield_expr(PyObject *__pyx_self, PyObject *__pyx_v_sequence); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_4yield_expr = {"yield_expr", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_4yield_expr, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_4yield_expr(PyObject *__pyx_self, PyObject *__pyx_v_sequence) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("yield_expr (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_3yield_expr(__pyx_self, ((PyObject *)__pyx_v_sequence));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":413
 *                         for wrapping in wrappings:
 *                             # for next in per_name(groups[1:], vars):
 *                             def yield_next(next):             # <<<<<<<<<<<<<<
 *                                 setting = next.copy()
 *                                 setting[name] = wrapping
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_10yield_expr_1yield_next(PyObject *__pyx_self, PyObject *__pyx_v_next); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_10yield_expr_1yield_next = {"yield_next", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_10yield_expr_1yield_next, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_10yield_expr_1yield_next(PyObject *__pyx_self, PyObject *__pyx_v_next) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("yield_next (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_10yield_expr_yield_next(__pyx_self, ((PyObject *)__pyx_v_next));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_10yield_expr_yield_next(PyObject *__pyx_self, PyObject *__pyx_v_next) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *__pyx_cur_scope;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *__pyx_outer_scope;
  PyObject *__pyx_v_setting = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("yield_next", 0);
  __pyx_outer_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *) __Pyx_CyFunction_GetClosure(__pyx_self);
  __pyx_cur_scope = __pyx_outer_scope;

  /* "mathics/core/pattern.py":414
 *                             # for next in per_name(groups[1:], vars):
 *                             def yield_next(next):
 *                                 setting = next.copy()             # <<<<<<<<<<<<<<
 *                                 setting[name] = wrapping
 *                                 yield_name(setting)
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_next, __pyx_n_s_copy); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 414, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
    }
  }
  __pyx_t_1 = (__pyx_t_3) ? __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_3) : __Pyx_PyObject_CallNoArg(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 414, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_v_setting = __pyx_t_1;
  __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":415
 *                             def yield_next(next):
 *                                 setting = next.copy()
 *                                 setting[name] = wrapping             # <<<<<<<<<<<<<<
 *                                 yield_name(setting)
 * 
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_wrapping)) { __Pyx_RaiseClosureNameError("wrapping"); __PYX_ERR(0, 415, __pyx_L1_error) }
  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_name)) { __Pyx_RaiseClosureNameError("name"); __PYX_ERR(0, 415, __pyx_L1_error) }
  if (unlikely(PyObject_SetItem(__pyx_v_setting, __pyx_cur_scope->__pyx_outer_scope->__pyx_v_name, __pyx_cur_scope->__pyx_v_wrapping) < 0)) __PYX_ERR(0, 415, __pyx_L1_error)

  /* "mathics/core/pattern.py":416
 *                                 setting = next.copy()
 *                                 setting[name] = wrapping
 *                                 yield_name(setting)             # <<<<<<<<<<<<<<
 * 
 *                             per_name(yield_next, groups[1:], vars)
 */
  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_yield_name)) { __Pyx_RaiseClosureNameError("yield_name"); __PYX_ERR(0, 416, __pyx_L1_error) }
  __Pyx_INCREF(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_yield_name);
  __pyx_t_2 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_yield_name; __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
    }
  }
  __pyx_t_1 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_2, __pyx_t_3, __pyx_v_setting) : __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_v_setting);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 416, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":413
 *                         for wrapping in wrappings:
 *                             # for next in per_name(groups[1:], vars):
 *                             def yield_next(next):             # <<<<<<<<<<<<<<
 *                                 setting = next.copy()
 *                                 setting[name] = wrapping
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_pre_choices.per_name.yield_expr.yield_next", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_setting);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":405
 * 
 *                     # for sequence in per_expr(expr_groups.items()):
 *                     def yield_expr(sequence):             # <<<<<<<<<<<<<<
 *                         # FIXME: this call is wrong and needs a
 *                         # wrapper_function as the 1st parameter.
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_3yield_expr(PyObject *__pyx_self, PyObject *__pyx_v_sequence) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *__pyx_cur_scope;
  PyObject *__pyx_v_wrappings = NULL;
  PyObject *__pyx_v_yield_next = 0;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  int __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  Py_ssize_t __pyx_t_7;
  PyObject *(*__pyx_t_8)(PyObject *);
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("yield_expr", 0);
  __pyx_cur_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *)__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr(__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr, __pyx_empty_tuple, NULL);
  if (unlikely(!__pyx_cur_scope)) {
    __pyx_cur_scope = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *)Py_None);
    __Pyx_INCREF(Py_None);
    __PYX_ERR(0, 405, __pyx_L1_error)
  } else {
    __Pyx_GOTREF(__pyx_cur_scope);
  }
  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *) __Pyx_CyFunction_GetClosure(__pyx_self);
  __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);

  /* "mathics/core/pattern.py":408
 *                         # FIXME: this call is wrong and needs a
 *                         # wrapper_function as the 1st parameter.
 *                         wrappings = self.get_wrappings(             # <<<<<<<<<<<<<<
 *                             sequence, match_count[1], expression, attributes
 *                         )
 */
  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); __PYX_ERR(0, 408, __pyx_L1_error) }
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_self, __pyx_n_s_get_wrappings); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 408, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);

  /* "mathics/core/pattern.py":409
 *                         # wrapper_function as the 1st parameter.
 *                         wrappings = self.get_wrappings(
 *                             sequence, match_count[1], expression, attributes             # <<<<<<<<<<<<<<
 *                         )
 *                         for wrapping in wrappings:
 */
  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_match_count)) { __Pyx_RaiseClosureNameError("match_count"); __PYX_ERR(0, 409, __pyx_L1_error) }
  if (unlikely(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_match_count == Py_None)) {
    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
    __PYX_ERR(0, 409, __pyx_L1_error)
  }
  __pyx_t_3 = __Pyx_GetItemInt_List(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_match_count, 1, long, 1, __Pyx_PyInt_From_long, 1, 0, 1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 409, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_expression)) { __Pyx_RaiseClosureNameError("expression"); __PYX_ERR(0, 409, __pyx_L1_error) }
  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_attributes)) { __Pyx_RaiseClosureNameError("attributes"); __PYX_ERR(0, 409, __pyx_L1_error) }
  __pyx_t_4 = NULL;
  __pyx_t_5 = 0;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
      __pyx_t_5 = 1;
    }
  }
  #if CYTHON_FAST_PYCALL
  if (PyFunction_Check(__pyx_t_2)) {
    PyObject *__pyx_temp[5] = {__pyx_t_4, __pyx_v_sequence, __pyx_t_3, __pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_expression, __pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_attributes};
    __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_2, __pyx_temp+1-__pyx_t_5, 4+__pyx_t_5); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 408, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  } else
  #endif
  #if CYTHON_FAST_PYCCALL
  if (__Pyx_PyFastCFunction_Check(__pyx_t_2)) {
    PyObject *__pyx_temp[5] = {__pyx_t_4, __pyx_v_sequence, __pyx_t_3, __pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_expression, __pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_attributes};
    __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_2, __pyx_temp+1-__pyx_t_5, 4+__pyx_t_5); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 408, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  } else
  #endif
  {
    __pyx_t_6 = PyTuple_New(4+__pyx_t_5); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 408, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_6);
    if (__pyx_t_4) {
      __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_4); __pyx_t_4 = NULL;
    }
    __Pyx_INCREF(__pyx_v_sequence);
    __Pyx_GIVEREF(__pyx_v_sequence);
    PyTuple_SET_ITEM(__pyx_t_6, 0+__pyx_t_5, __pyx_v_sequence);
    __Pyx_GIVEREF(__pyx_t_3);
    PyTuple_SET_ITEM(__pyx_t_6, 1+__pyx_t_5, __pyx_t_3);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_expression);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_expression);
    PyTuple_SET_ITEM(__pyx_t_6, 2+__pyx_t_5, __pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_expression);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_attributes);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_attributes);
    PyTuple_SET_ITEM(__pyx_t_6, 3+__pyx_t_5, __pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_attributes);
    __pyx_t_3 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_6, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 408, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  }
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_v_wrappings = __pyx_t_1;
  __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":411
 *                             sequence, match_count[1], expression, attributes
 *                         )
 *                         for wrapping in wrappings:             # <<<<<<<<<<<<<<
 *                             # for next in per_name(groups[1:], vars):
 *                             def yield_next(next):
 */
  if (likely(PyList_CheckExact(__pyx_v_wrappings)) || PyTuple_CheckExact(__pyx_v_wrappings)) {
    __pyx_t_1 = __pyx_v_wrappings; __Pyx_INCREF(__pyx_t_1); __pyx_t_7 = 0;
    __pyx_t_8 = NULL;
  } else {
    __pyx_t_7 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_wrappings); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 411, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_8 = Py_TYPE(__pyx_t_1)->tp_iternext; if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 411, __pyx_L1_error)
  }
  for (;;) {
    if (likely(!__pyx_t_8)) {
      if (likely(PyList_CheckExact(__pyx_t_1))) {
        if (__pyx_t_7 >= PyList_GET_SIZE(__pyx_t_1)) break;
        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
        __pyx_t_2 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_7); __Pyx_INCREF(__pyx_t_2); __pyx_t_7++; if (unlikely(0 < 0)) __PYX_ERR(0, 411, __pyx_L1_error)
        #else
        __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 411, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_2);
        #endif
      } else {
        if (__pyx_t_7 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
        __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_7); __Pyx_INCREF(__pyx_t_2); __pyx_t_7++; if (unlikely(0 < 0)) __PYX_ERR(0, 411, __pyx_L1_error)
        #else
        __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 411, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_2);
        #endif
      }
    } else {
      __pyx_t_2 = __pyx_t_8(__pyx_t_1);
      if (unlikely(!__pyx_t_2)) {
        PyObject* exc_type = PyErr_Occurred();
        if (exc_type) {
          if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
          else __PYX_ERR(0, 411, __pyx_L1_error)
        }
        break;
      }
      __Pyx_GOTREF(__pyx_t_2);
    }
    __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_wrapping);
    __Pyx_XDECREF_SET(__pyx_cur_scope->__pyx_v_wrapping, __pyx_t_2);
    __Pyx_GIVEREF(__pyx_t_2);
    __pyx_t_2 = 0;

    /* "mathics/core/pattern.py":413
 *                         for wrapping in wrappings:
 *                             # for next in per_name(groups[1:], vars):
 *                             def yield_next(next):             # <<<<<<<<<<<<<<
 *                                 setting = next.copy()
 *                                 setting[name] = wrapping
 */
    __pyx_t_2 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_10yield_expr_1yield_next, 0, __pyx_n_s_ExpressionPattern_get_pre_choice_2, ((PyObject*)__pyx_cur_scope), __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__11)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 413, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_XDECREF_SET(__pyx_v_yield_next, __pyx_t_2);
    __pyx_t_2 = 0;

    /* "mathics/core/pattern.py":418
 *                                 yield_name(setting)
 * 
 *                             per_name(yield_next, groups[1:], vars)             # <<<<<<<<<<<<<<
 * 
 *                     per_expr(yield_expr, expr_groups)
 */
    if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_groups)) { __Pyx_RaiseClosureNameError("groups"); __PYX_ERR(0, 418, __pyx_L1_error) }
    __pyx_t_2 = __Pyx_PyObject_GetSlice(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_groups, 1, 0, NULL, NULL, &__pyx_slice__4, 1, 0, 1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 418, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_vars)) { __Pyx_RaiseClosureNameError("vars"); __PYX_ERR(0, 418, __pyx_L1_error) }
    __pyx_t_6 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_vars;
    __Pyx_INCREF(__pyx_t_6);
    if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_per_name)) { __Pyx_RaiseClosureNameError("per_name"); __PYX_ERR(0, 418, __pyx_L1_error) }
    __pyx_t_3 = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_per_name(__pyx_cur_scope->__pyx_outer_scope->__pyx_outer_scope->__pyx_v_per_name, __pyx_v_yield_next, __pyx_t_2, __pyx_t_6); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 418, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":411
 *                             sequence, match_count[1], expression, attributes
 *                         )
 *                         for wrapping in wrappings:             # <<<<<<<<<<<<<<
 *                             # for next in per_name(groups[1:], vars):
 *                             def yield_next(next):
 */
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":405
 * 
 *                     # for sequence in per_expr(expr_groups.items()):
 *                     def yield_expr(sequence):             # <<<<<<<<<<<<<<
 *                         # FIXME: this call is wrong and needs a
 *                         # wrapper_function as the 1st parameter.
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_pre_choices.per_name.yield_expr", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_wrappings);
  __Pyx_XDECREF(__pyx_v_yield_next);
  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":361
 *                 expr_groups[leaf] = expr_groups.get(leaf, 0) + 1
 * 
 *             def per_name(yield_name, groups, vars):             # <<<<<<<<<<<<<<
 *                 """
 *                 Yields possible variable settings (dictionaries) for the
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_per_name(PyObject *__pyx_self, PyObject *__pyx_v_yield_name, PyObject *__pyx_v_groups, PyObject *__pyx_v_vars) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *__pyx_cur_scope;
  PyObject *__pyx_v_pattern = NULL;
  PyObject *__pyx_v_sub_match_count = NULL;
  PyObject *__pyx_v_yield_expr = 0;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *(*__pyx_t_6)(PyObject *);
  Py_ssize_t __pyx_t_7;
  PyObject *(*__pyx_t_8)(PyObject *);
  int __pyx_t_9;
  int __pyx_t_10;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("per_name", 0);
  __pyx_cur_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *)__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_2_per_name(__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_2_per_name, __pyx_empty_tuple, NULL);
  if (unlikely(!__pyx_cur_scope)) {
    __pyx_cur_scope = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *)Py_None);
    __Pyx_INCREF(Py_None);
    __PYX_ERR(0, 361, __pyx_L1_error)
  } else {
    __Pyx_GOTREF(__pyx_cur_scope);
  }
  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *) __Pyx_CyFunction_GetClosure(__pyx_self);
  __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
  __pyx_cur_scope->__pyx_v_yield_name = __pyx_v_yield_name;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_name);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_yield_name);
  __pyx_cur_scope->__pyx_v_groups = __pyx_v_groups;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_groups);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_groups);
  __pyx_cur_scope->__pyx_v_vars = __pyx_v_vars;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_vars);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_vars);

  /* "mathics/core/pattern.py":367
 *                 """
 * 
 *                 if groups:             # <<<<<<<<<<<<<<
 *                     name, patterns = groups[0]
 * 
 */
  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_groups); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 367, __pyx_L1_error)
  if (__pyx_t_1) {

    /* "mathics/core/pattern.py":368
 * 
 *                 if groups:
 *                     name, patterns = groups[0]             # <<<<<<<<<<<<<<
 * 
 *                     match_count = [0, None]
 */
    __pyx_t_2 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_groups, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 368, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    if ((likely(PyTuple_CheckExact(__pyx_t_2))) || (PyList_CheckExact(__pyx_t_2))) {
      PyObject* sequence = __pyx_t_2;
      Py_ssize_t size = __Pyx_PySequence_SIZE(sequence);
      if (unlikely(size != 2)) {
        if (size > 2) __Pyx_RaiseTooManyValuesError(2);
        else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
        __PYX_ERR(0, 368, __pyx_L1_error)
      }
      #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
      if (likely(PyTuple_CheckExact(sequence))) {
        __pyx_t_3 = PyTuple_GET_ITEM(sequence, 0); 
        __pyx_t_4 = PyTuple_GET_ITEM(sequence, 1); 
      } else {
        __pyx_t_3 = PyList_GET_ITEM(sequence, 0); 
        __pyx_t_4 = PyList_GET_ITEM(sequence, 1); 
      }
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_4);
      #else
      __pyx_t_3 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 368, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 368, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      #endif
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    } else {
      Py_ssize_t index = -1;
      __pyx_t_5 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 368, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __pyx_t_6 = Py_TYPE(__pyx_t_5)->tp_iternext;
      index = 0; __pyx_t_3 = __pyx_t_6(__pyx_t_5); if (unlikely(!__pyx_t_3)) goto __pyx_L4_unpacking_failed;
      __Pyx_GOTREF(__pyx_t_3);
      index = 1; __pyx_t_4 = __pyx_t_6(__pyx_t_5); if (unlikely(!__pyx_t_4)) goto __pyx_L4_unpacking_failed;
      __Pyx_GOTREF(__pyx_t_4);
      if (__Pyx_IternextUnpackEndCheck(__pyx_t_6(__pyx_t_5), 2) < 0) __PYX_ERR(0, 368, __pyx_L1_error)
      __pyx_t_6 = NULL;
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      goto __pyx_L5_unpacking_done;
      __pyx_L4_unpacking_failed:;
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __pyx_t_6 = NULL;
      if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
      __PYX_ERR(0, 368, __pyx_L1_error)
      __pyx_L5_unpacking_done:;
    }
    __Pyx_GIVEREF(__pyx_t_3);
    __pyx_cur_scope->__pyx_v_name = __pyx_t_3;
    __pyx_t_3 = 0;
    __Pyx_GIVEREF(__pyx_t_4);
    __pyx_cur_scope->__pyx_v_patterns = __pyx_t_4;
    __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":370
 *                     name, patterns = groups[0]
 * 
 *                     match_count = [0, None]             # <<<<<<<<<<<<<<
 *                     for pattern in patterns:
 *                         sub_match_count = pattern.get_match_count()
 */
    __pyx_t_2 = PyList_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 370, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_INCREF(__pyx_int_0);
    __Pyx_GIVEREF(__pyx_int_0);
    PyList_SET_ITEM(__pyx_t_2, 0, __pyx_int_0);
    __Pyx_INCREF(Py_None);
    __Pyx_GIVEREF(Py_None);
    PyList_SET_ITEM(__pyx_t_2, 1, Py_None);
    __Pyx_GIVEREF(__pyx_t_2);
    __pyx_cur_scope->__pyx_v_match_count = ((PyObject*)__pyx_t_2);
    __pyx_t_2 = 0;

    /* "mathics/core/pattern.py":371
 * 
 *                     match_count = [0, None]
 *                     for pattern in patterns:             # <<<<<<<<<<<<<<
 *                         sub_match_count = pattern.get_match_count()
 *                         if sub_match_count[0] > match_count[0]:
 */
    if (likely(PyList_CheckExact(__pyx_cur_scope->__pyx_v_patterns)) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_v_patterns)) {
      __pyx_t_2 = __pyx_cur_scope->__pyx_v_patterns; __Pyx_INCREF(__pyx_t_2); __pyx_t_7 = 0;
      __pyx_t_8 = NULL;
    } else {
      __pyx_t_7 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_patterns); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 371, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);
      __pyx_t_8 = Py_TYPE(__pyx_t_2)->tp_iternext; if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 371, __pyx_L1_error)
    }
    for (;;) {
      if (likely(!__pyx_t_8)) {
        if (likely(PyList_CheckExact(__pyx_t_2))) {
          if (__pyx_t_7 >= PyList_GET_SIZE(__pyx_t_2)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++; if (unlikely(0 < 0)) __PYX_ERR(0, 371, __pyx_L1_error)
          #else
          __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 371, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_4);
          #endif
        } else {
          if (__pyx_t_7 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++; if (unlikely(0 < 0)) __PYX_ERR(0, 371, __pyx_L1_error)
          #else
          __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 371, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_4);
          #endif
        }
      } else {
        __pyx_t_4 = __pyx_t_8(__pyx_t_2);
        if (unlikely(!__pyx_t_4)) {
          PyObject* exc_type = PyErr_Occurred();
          if (exc_type) {
            if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
            else __PYX_ERR(0, 371, __pyx_L1_error)
          }
          break;
        }
        __Pyx_GOTREF(__pyx_t_4);
      }
      __Pyx_XDECREF_SET(__pyx_v_pattern, __pyx_t_4);
      __pyx_t_4 = 0;

      /* "mathics/core/pattern.py":372
 *                     match_count = [0, None]
 *                     for pattern in patterns:
 *                         sub_match_count = pattern.get_match_count()             # <<<<<<<<<<<<<<
 *                         if sub_match_count[0] > match_count[0]:
 *                             match_count[0] = sub_match_count[0]
 */
      __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_v_pattern, __pyx_n_s_get_match_count); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 372, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_5 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
        __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_3);
        if (likely(__pyx_t_5)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
          __Pyx_INCREF(__pyx_t_5);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_3, function);
        }
      }
      __pyx_t_4 = (__pyx_t_5) ? __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_5) : __Pyx_PyObject_CallNoArg(__pyx_t_3);
      __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
      if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 372, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_XDECREF_SET(__pyx_v_sub_match_count, __pyx_t_4);
      __pyx_t_4 = 0;

      /* "mathics/core/pattern.py":373
 *                     for pattern in patterns:
 *                         sub_match_count = pattern.get_match_count()
 *                         if sub_match_count[0] > match_count[0]:             # <<<<<<<<<<<<<<
 *                             match_count[0] = sub_match_count[0]
 *                         if match_count[1] is None or (
 */
      __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_sub_match_count, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 373, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_3 = __Pyx_GetItemInt_List(__pyx_cur_scope->__pyx_v_match_count, 0, long, 1, __Pyx_PyInt_From_long, 1, 0, 1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 373, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_5 = PyObject_RichCompare(__pyx_t_4, __pyx_t_3, Py_GT); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 373, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 373, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      if (__pyx_t_1) {

        /* "mathics/core/pattern.py":374
 *                         sub_match_count = pattern.get_match_count()
 *                         if sub_match_count[0] > match_count[0]:
 *                             match_count[0] = sub_match_count[0]             # <<<<<<<<<<<<<<
 *                         if match_count[1] is None or (
 *                             sub_match_count[1] is not None
 */
        __pyx_t_5 = __Pyx_GetItemInt(__pyx_v_sub_match_count, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 374, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        if (unlikely(__Pyx_SetItemInt(__pyx_cur_scope->__pyx_v_match_count, 0, __pyx_t_5, long, 1, __Pyx_PyInt_From_long, 1, 0, 1) < 0)) __PYX_ERR(0, 374, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

        /* "mathics/core/pattern.py":373
 *                     for pattern in patterns:
 *                         sub_match_count = pattern.get_match_count()
 *                         if sub_match_count[0] > match_count[0]:             # <<<<<<<<<<<<<<
 *                             match_count[0] = sub_match_count[0]
 *                         if match_count[1] is None or (
 */
      }

      /* "mathics/core/pattern.py":375
 *                         if sub_match_count[0] > match_count[0]:
 *                             match_count[0] = sub_match_count[0]
 *                         if match_count[1] is None or (             # <<<<<<<<<<<<<<
 *                             sub_match_count[1] is not None
 *                             and sub_match_count[1] < match_count[1]
 */
      __pyx_t_5 = __Pyx_GetItemInt_List(__pyx_cur_scope->__pyx_v_match_count, 1, long, 1, __Pyx_PyInt_From_long, 1, 0, 1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 375, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_9 = (__pyx_t_5 == Py_None);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __pyx_t_10 = (__pyx_t_9 != 0);
      if (!__pyx_t_10) {
      } else {
        __pyx_t_1 = __pyx_t_10;
        goto __pyx_L10_bool_binop_done;
      }

      /* "mathics/core/pattern.py":376
 *                             match_count[0] = sub_match_count[0]
 *                         if match_count[1] is None or (
 *                             sub_match_count[1] is not None             # <<<<<<<<<<<<<<
 *                             and sub_match_count[1] < match_count[1]
 *                         ):
 */
      __pyx_t_5 = __Pyx_GetItemInt(__pyx_v_sub_match_count, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 376, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_10 = (__pyx_t_5 != Py_None);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __pyx_t_9 = (__pyx_t_10 != 0);
      if (__pyx_t_9) {
      } else {
        __pyx_t_1 = __pyx_t_9;
        goto __pyx_L10_bool_binop_done;
      }

      /* "mathics/core/pattern.py":377
 *                         if match_count[1] is None or (
 *                             sub_match_count[1] is not None
 *                             and sub_match_count[1] < match_count[1]             # <<<<<<<<<<<<<<
 *                         ):
 *                             match_count[1] = sub_match_count[1]
 */
      __pyx_t_5 = __Pyx_GetItemInt(__pyx_v_sub_match_count, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 377, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_3 = __Pyx_GetItemInt_List(__pyx_cur_scope->__pyx_v_match_count, 1, long, 1, __Pyx_PyInt_From_long, 1, 0, 1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 377, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = PyObject_RichCompare(__pyx_t_5, __pyx_t_3, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 377, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_9 < 0)) __PYX_ERR(0, 377, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_1 = __pyx_t_9;
      __pyx_L10_bool_binop_done:;

      /* "mathics/core/pattern.py":375
 *                         if sub_match_count[0] > match_count[0]:
 *                             match_count[0] = sub_match_count[0]
 *                         if match_count[1] is None or (             # <<<<<<<<<<<<<<
 *                             sub_match_count[1] is not None
 *                             and sub_match_count[1] < match_count[1]
 */
      if (__pyx_t_1) {

        /* "mathics/core/pattern.py":379
 *                             and sub_match_count[1] < match_count[1]
 *                         ):
 *                             match_count[1] = sub_match_count[1]             # <<<<<<<<<<<<<<
 *                     # possibilities = [{}]
 *                     # sum = 0
 */
        __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_sub_match_count, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 379, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        if (unlikely(__Pyx_SetItemInt(__pyx_cur_scope->__pyx_v_match_count, 1, __pyx_t_4, long, 1, __Pyx_PyInt_From_long, 1, 0, 1) < 0)) __PYX_ERR(0, 379, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

        /* "mathics/core/pattern.py":375
 *                         if sub_match_count[0] > match_count[0]:
 *                             match_count[0] = sub_match_count[0]
 *                         if match_count[1] is None or (             # <<<<<<<<<<<<<<
 *                             sub_match_count[1] is not None
 *                             and sub_match_count[1] < match_count[1]
 */
      }

      /* "mathics/core/pattern.py":371
 * 
 *                     match_count = [0, None]
 *                     for pattern in patterns:             # <<<<<<<<<<<<<<
 *                         sub_match_count = pattern.get_match_count()
 *                         if sub_match_count[0] > match_count[0]:
 */
    }
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

    /* "mathics/core/pattern.py":383
 *                     # sum = 0
 * 
 *                     def per_expr(yield_expr, expr_groups, sum=0):             # <<<<<<<<<<<<<<
 *                         """
 *                         Yields possible values (sequence lists) for the current
 */
    __pyx_t_2 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_1per_expr, 0, __pyx_n_s_ExpressionPattern_get_pre_choice, ((PyObject*)__pyx_cur_scope), __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__13)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 383, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_CyFunction_SetDefaultsTuple(__pyx_t_2, __pyx_tuple__14);
    __Pyx_GIVEREF(__pyx_t_2);
    __pyx_cur_scope->__pyx_v_per_expr = __pyx_t_2;
    __pyx_t_2 = 0;

    /* "mathics/core/pattern.py":405
 * 
 *                     # for sequence in per_expr(expr_groups.items()):
 *                     def yield_expr(sequence):             # <<<<<<<<<<<<<<
 *                         # FIXME: this call is wrong and needs a
 *                         # wrapper_function as the 1st parameter.
 */
    __pyx_t_2 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_8per_name_4yield_expr, 0, __pyx_n_s_ExpressionPattern_get_pre_choice_3, ((PyObject*)__pyx_cur_scope), __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__16)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 405, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_v_yield_expr = __pyx_t_2;
    __pyx_t_2 = 0;

    /* "mathics/core/pattern.py":420
 *                             per_name(yield_next, groups[1:], vars)
 * 
 *                     per_expr(yield_expr, expr_groups)             # <<<<<<<<<<<<<<
 *                 else:  # no groups left
 *                     yield_name(vars)
 */
    if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_expr_groups)) { __Pyx_RaiseClosureNameError("expr_groups"); __PYX_ERR(0, 420, __pyx_L1_error) }
    __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 420, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_INCREF(__pyx_v_yield_expr);
    __Pyx_GIVEREF(__pyx_v_yield_expr);
    PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_v_yield_expr);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_expr_groups);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_expr_groups);
    PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_cur_scope->__pyx_outer_scope->__pyx_v_expr_groups);
    __pyx_t_4 = __Pyx_PyObject_Call(__pyx_cur_scope->__pyx_v_per_expr, __pyx_t_2, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 420, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":367
 *                 """
 * 
 *                 if groups:             # <<<<<<<<<<<<<<
 *                     name, patterns = groups[0]
 * 
 */
    goto __pyx_L3;
  }

  /* "mathics/core/pattern.py":422
 *                     per_expr(yield_expr, expr_groups)
 *                 else:  # no groups left
 *                     yield_name(vars)             # <<<<<<<<<<<<<<
 * 
 *             # for setting in per_name(groups.items(), vars):
 */
  /*else*/ {
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_name);
    __pyx_t_2 = __pyx_cur_scope->__pyx_v_yield_name; __pyx_t_3 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_2))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_2, function);
      }
    }
    __pyx_t_4 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_2, __pyx_t_3, __pyx_cur_scope->__pyx_v_vars) : __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_cur_scope->__pyx_v_vars);
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 422, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  }
  __pyx_L3:;

  /* "mathics/core/pattern.py":361
 *                 expr_groups[leaf] = expr_groups.get(leaf, 0) + 1
 * 
 *             def per_name(yield_name, groups, vars):             # <<<<<<<<<<<<<<
 *                 """
 *                 Yields possible variable settings (dictionaries) for the
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_pre_choices.per_name", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_pattern);
  __Pyx_XDECREF(__pyx_v_sub_match_count);
  __Pyx_XDECREF(__pyx_v_yield_expr);
  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":335
 *             )
 * 
 *     def get_pre_choices(self, yield_func, expression, attributes, vars):             # <<<<<<<<<<<<<<
 *         if "System`Orderless" in attributes:
 *             self.sort()
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_2get_pre_choices(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_yield_func, PyObject *__pyx_v_expression, PyObject *__pyx_v_attributes, PyObject *__pyx_v_vars) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *__pyx_cur_scope;
  PyObject *__pyx_v_patterns = NULL;
  PyObject *__pyx_v_groups = NULL;
  PyObject *__pyx_v_prev_pattern = NULL;
  PyObject *__pyx_v_prev_name = NULL;
  PyObject *__pyx_v_pattern = NULL;
  PyObject *__pyx_v_name = NULL;
  PyObject *__pyx_v_existing = NULL;
  PyObject *__pyx_v_leaf = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  Py_ssize_t __pyx_t_6;
  PyObject *(*__pyx_t_7)(PyObject *);
  PyObject *__pyx_t_8 = NULL;
  int __pyx_t_9;
  PyObject *__pyx_t_10 = NULL;
  int __pyx_t_11;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_pre_choices", 0);
  __pyx_cur_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *)__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices(__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices, __pyx_empty_tuple, NULL);
  if (unlikely(!__pyx_cur_scope)) {
    __pyx_cur_scope = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *)Py_None);
    __Pyx_INCREF(Py_None);
    __PYX_ERR(0, 335, __pyx_L1_error)
  } else {
    __Pyx_GOTREF(__pyx_cur_scope);
  }
  __pyx_cur_scope->__pyx_v_self = __pyx_v_self;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_self);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_self);
  __pyx_cur_scope->__pyx_v_expression = __pyx_v_expression;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
  __pyx_cur_scope->__pyx_v_attributes = __pyx_v_attributes;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_attributes);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_attributes);

  /* "mathics/core/pattern.py":336
 * 
 *     def get_pre_choices(self, yield_func, expression, attributes, vars):
 *         if "System`Orderless" in attributes:             # <<<<<<<<<<<<<<
 *             self.sort()
 *             patterns = self.filter_leaves("Pattern")
 */
  __pyx_t_1 = (__Pyx_PySequence_ContainsTF(__pyx_kp_u_System_Orderless, __pyx_cur_scope->__pyx_v_attributes, Py_EQ)); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 336, __pyx_L1_error)
  __pyx_t_2 = (__pyx_t_1 != 0);
  if (__pyx_t_2) {

    /* "mathics/core/pattern.py":337
 *     def get_pre_choices(self, yield_func, expression, attributes, vars):
 *         if "System`Orderless" in attributes:
 *             self.sort()             # <<<<<<<<<<<<<<
 *             patterns = self.filter_leaves("Pattern")
 *             groups = {}
 */
    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_sort); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 337, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_5 = NULL;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
      __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_4);
      if (likely(__pyx_t_5)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
        __Pyx_INCREF(__pyx_t_5);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_4, function);
      }
    }
    __pyx_t_3 = (__pyx_t_5) ? __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_5) : __Pyx_PyObject_CallNoArg(__pyx_t_4);
    __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
    if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 337, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":338
 *         if "System`Orderless" in attributes:
 *             self.sort()
 *             patterns = self.filter_leaves("Pattern")             # <<<<<<<<<<<<<<
 *             groups = {}
 *             prev_pattern = prev_name = None
 */
    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_filter_leaves); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 338, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_5 = NULL;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
      __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_4);
      if (likely(__pyx_t_5)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
        __Pyx_INCREF(__pyx_t_5);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_4, function);
      }
    }
    __pyx_t_3 = (__pyx_t_5) ? __Pyx_PyObject_Call2Args(__pyx_t_4, __pyx_t_5, __pyx_n_u_Pattern) : __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_n_u_Pattern);
    __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
    if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 338, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_v_patterns = __pyx_t_3;
    __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":339
 *             self.sort()
 *             patterns = self.filter_leaves("Pattern")
 *             groups = {}             # <<<<<<<<<<<<<<
 *             prev_pattern = prev_name = None
 *             for pattern in patterns:
 */
    __pyx_t_3 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 339, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_v_groups = ((PyObject*)__pyx_t_3);
    __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":340
 *             patterns = self.filter_leaves("Pattern")
 *             groups = {}
 *             prev_pattern = prev_name = None             # <<<<<<<<<<<<<<
 *             for pattern in patterns:
 *                 name = pattern.leaves[0].get_name()
 */
    __Pyx_INCREF(Py_None);
    __pyx_v_prev_pattern = Py_None;
    __Pyx_INCREF(Py_None);
    __pyx_v_prev_name = Py_None;

    /* "mathics/core/pattern.py":341
 *             groups = {}
 *             prev_pattern = prev_name = None
 *             for pattern in patterns:             # <<<<<<<<<<<<<<
 *                 name = pattern.leaves[0].get_name()
 *                 existing = vars.get(name, None)
 */
    if (likely(PyList_CheckExact(__pyx_v_patterns)) || PyTuple_CheckExact(__pyx_v_patterns)) {
      __pyx_t_3 = __pyx_v_patterns; __Pyx_INCREF(__pyx_t_3); __pyx_t_6 = 0;
      __pyx_t_7 = NULL;
    } else {
      __pyx_t_6 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_v_patterns); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 341, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_7 = Py_TYPE(__pyx_t_3)->tp_iternext; if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 341, __pyx_L1_error)
    }
    for (;;) {
      if (likely(!__pyx_t_7)) {
        if (likely(PyList_CheckExact(__pyx_t_3))) {
          if (__pyx_t_6 >= PyList_GET_SIZE(__pyx_t_3)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_4 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_6); __Pyx_INCREF(__pyx_t_4); __pyx_t_6++; if (unlikely(0 < 0)) __PYX_ERR(0, 341, __pyx_L1_error)
          #else
          __pyx_t_4 = PySequence_ITEM(__pyx_t_3, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 341, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_4);
          #endif
        } else {
          if (__pyx_t_6 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_6); __Pyx_INCREF(__pyx_t_4); __pyx_t_6++; if (unlikely(0 < 0)) __PYX_ERR(0, 341, __pyx_L1_error)
          #else
          __pyx_t_4 = PySequence_ITEM(__pyx_t_3, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 341, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_4);
          #endif
        }
      } else {
        __pyx_t_4 = __pyx_t_7(__pyx_t_3);
        if (unlikely(!__pyx_t_4)) {
          PyObject* exc_type = PyErr_Occurred();
          if (exc_type) {
            if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
            else __PYX_ERR(0, 341, __pyx_L1_error)
          }
          break;
        }
        __Pyx_GOTREF(__pyx_t_4);
      }
      __Pyx_XDECREF_SET(__pyx_v_pattern, __pyx_t_4);
      __pyx_t_4 = 0;

      /* "mathics/core/pattern.py":342
 *             prev_pattern = prev_name = None
 *             for pattern in patterns:
 *                 name = pattern.leaves[0].get_name()             # <<<<<<<<<<<<<<
 *                 existing = vars.get(name, None)
 *                 if existing is None:
 */
      __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_pattern, __pyx_n_s_leaves); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 342, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_8 = __Pyx_GetItemInt(__pyx_t_5, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 342, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_8);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_8, __pyx_n_s_get_name); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 342, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
      __pyx_t_8 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
        __pyx_t_8 = PyMethod_GET_SELF(__pyx_t_5);
        if (likely(__pyx_t_8)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
          __Pyx_INCREF(__pyx_t_8);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_5, function);
        }
      }
      __pyx_t_4 = (__pyx_t_8) ? __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_8) : __Pyx_PyObject_CallNoArg(__pyx_t_5);
      __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
      if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 342, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_XDECREF_SET(__pyx_v_name, __pyx_t_4);
      __pyx_t_4 = 0;

      /* "mathics/core/pattern.py":343
 *             for pattern in patterns:
 *                 name = pattern.leaves[0].get_name()
 *                 existing = vars.get(name, None)             # <<<<<<<<<<<<<<
 *                 if existing is None:
 *                     # There's no need for pre-choices if the variable is
 */
      __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_vars, __pyx_n_s_get); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 343, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_8 = NULL;
      __pyx_t_9 = 0;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
        __pyx_t_8 = PyMethod_GET_SELF(__pyx_t_5);
        if (likely(__pyx_t_8)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
          __Pyx_INCREF(__pyx_t_8);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_5, function);
          __pyx_t_9 = 1;
        }
      }
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_5)) {
        PyObject *__pyx_temp[3] = {__pyx_t_8, __pyx_v_name, Py_None};
        __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-__pyx_t_9, 2+__pyx_t_9); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 343, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
        __Pyx_GOTREF(__pyx_t_4);
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
        PyObject *__pyx_temp[3] = {__pyx_t_8, __pyx_v_name, Py_None};
        __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-__pyx_t_9, 2+__pyx_t_9); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 343, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
        __Pyx_GOTREF(__pyx_t_4);
      } else
      #endif
      {
        __pyx_t_10 = PyTuple_New(2+__pyx_t_9); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 343, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_10);
        if (__pyx_t_8) {
          __Pyx_GIVEREF(__pyx_t_8); PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_8); __pyx_t_8 = NULL;
        }
        __Pyx_INCREF(__pyx_v_name);
        __Pyx_GIVEREF(__pyx_v_name);
        PyTuple_SET_ITEM(__pyx_t_10, 0+__pyx_t_9, __pyx_v_name);
        __Pyx_INCREF(Py_None);
        __Pyx_GIVEREF(Py_None);
        PyTuple_SET_ITEM(__pyx_t_10, 1+__pyx_t_9, Py_None);
        __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_10, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 343, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
      }
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_XDECREF_SET(__pyx_v_existing, __pyx_t_4);
      __pyx_t_4 = 0;

      /* "mathics/core/pattern.py":344
 *                 name = pattern.leaves[0].get_name()
 *                 existing = vars.get(name, None)
 *                 if existing is None:             # <<<<<<<<<<<<<<
 *                     # There's no need for pre-choices if the variable is
 *                     # already set.
 */
      __pyx_t_2 = (__pyx_v_existing == Py_None);
      __pyx_t_1 = (__pyx_t_2 != 0);
      if (__pyx_t_1) {

        /* "mathics/core/pattern.py":347
 *                     # There's no need for pre-choices if the variable is
 *                     # already set.
 *                     if name == prev_name:             # <<<<<<<<<<<<<<
 *                         if name in groups:
 *                             groups[name].append(pattern)
 */
        __pyx_t_4 = PyObject_RichCompare(__pyx_v_name, __pyx_v_prev_name, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 347, __pyx_L1_error)
        __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 347, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
        if (__pyx_t_1) {

          /* "mathics/core/pattern.py":348
 *                     # already set.
 *                     if name == prev_name:
 *                         if name in groups:             # <<<<<<<<<<<<<<
 *                             groups[name].append(pattern)
 *                         else:
 */
          __pyx_t_1 = (__Pyx_PyDict_ContainsTF(__pyx_v_name, __pyx_v_groups, Py_EQ)); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 348, __pyx_L1_error)
          __pyx_t_2 = (__pyx_t_1 != 0);
          if (__pyx_t_2) {

            /* "mathics/core/pattern.py":349
 *                     if name == prev_name:
 *                         if name in groups:
 *                             groups[name].append(pattern)             # <<<<<<<<<<<<<<
 *                         else:
 *                             groups[name] = [prev_pattern, pattern]
 */
            __pyx_t_4 = __Pyx_PyDict_GetItem(__pyx_v_groups, __pyx_v_name); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 349, __pyx_L1_error)
            __Pyx_GOTREF(__pyx_t_4);
            __pyx_t_11 = __Pyx_PyObject_Append(__pyx_t_4, __pyx_v_pattern); if (unlikely(__pyx_t_11 == ((int)-1))) __PYX_ERR(0, 349, __pyx_L1_error)
            __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

            /* "mathics/core/pattern.py":348
 *                     # already set.
 *                     if name == prev_name:
 *                         if name in groups:             # <<<<<<<<<<<<<<
 *                             groups[name].append(pattern)
 *                         else:
 */
            goto __pyx_L8;
          }

          /* "mathics/core/pattern.py":351
 *                             groups[name].append(pattern)
 *                         else:
 *                             groups[name] = [prev_pattern, pattern]             # <<<<<<<<<<<<<<
 *                     prev_pattern = pattern
 *                     prev_name = name
 */
          /*else*/ {
            __pyx_t_4 = PyList_New(2); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 351, __pyx_L1_error)
            __Pyx_GOTREF(__pyx_t_4);
            __Pyx_INCREF(__pyx_v_prev_pattern);
            __Pyx_GIVEREF(__pyx_v_prev_pattern);
            PyList_SET_ITEM(__pyx_t_4, 0, __pyx_v_prev_pattern);
            __Pyx_INCREF(__pyx_v_pattern);
            __Pyx_GIVEREF(__pyx_v_pattern);
            PyList_SET_ITEM(__pyx_t_4, 1, __pyx_v_pattern);
            if (unlikely(PyDict_SetItem(__pyx_v_groups, __pyx_v_name, __pyx_t_4) < 0)) __PYX_ERR(0, 351, __pyx_L1_error)
            __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
          }
          __pyx_L8:;

          /* "mathics/core/pattern.py":347
 *                     # There's no need for pre-choices if the variable is
 *                     # already set.
 *                     if name == prev_name:             # <<<<<<<<<<<<<<
 *                         if name in groups:
 *                             groups[name].append(pattern)
 */
        }

        /* "mathics/core/pattern.py":352
 *                         else:
 *                             groups[name] = [prev_pattern, pattern]
 *                     prev_pattern = pattern             # <<<<<<<<<<<<<<
 *                     prev_name = name
 *             # prev_leaf = None
 */
        __Pyx_INCREF(__pyx_v_pattern);
        __Pyx_DECREF_SET(__pyx_v_prev_pattern, __pyx_v_pattern);

        /* "mathics/core/pattern.py":353
 *                             groups[name] = [prev_pattern, pattern]
 *                     prev_pattern = pattern
 *                     prev_name = name             # <<<<<<<<<<<<<<
 *             # prev_leaf = None
 * 
 */
        __Pyx_INCREF(__pyx_v_name);
        __Pyx_DECREF_SET(__pyx_v_prev_name, __pyx_v_name);

        /* "mathics/core/pattern.py":344
 *                 name = pattern.leaves[0].get_name()
 *                 existing = vars.get(name, None)
 *                 if existing is None:             # <<<<<<<<<<<<<<
 *                     # There's no need for pre-choices if the variable is
 *                     # already set.
 */
      }

      /* "mathics/core/pattern.py":341
 *             groups = {}
 *             prev_pattern = prev_name = None
 *             for pattern in patterns:             # <<<<<<<<<<<<<<
 *                 name = pattern.leaves[0].get_name()
 *                 existing = vars.get(name, None)
 */
    }
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":357
 * 
 *             # count duplicate leaves
 *             expr_groups = {}             # <<<<<<<<<<<<<<
 *             for leaf in expression.leaves:
 *                 expr_groups[leaf] = expr_groups.get(leaf, 0) + 1
 */
    __pyx_t_3 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 357, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_GIVEREF(__pyx_t_3);
    __pyx_cur_scope->__pyx_v_expr_groups = ((PyObject*)__pyx_t_3);
    __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":358
 *             # count duplicate leaves
 *             expr_groups = {}
 *             for leaf in expression.leaves:             # <<<<<<<<<<<<<<
 *                 expr_groups[leaf] = expr_groups.get(leaf, 0) + 1
 * 
 */
    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_leaves); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 358, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    if (likely(PyList_CheckExact(__pyx_t_3)) || PyTuple_CheckExact(__pyx_t_3)) {
      __pyx_t_4 = __pyx_t_3; __Pyx_INCREF(__pyx_t_4); __pyx_t_6 = 0;
      __pyx_t_7 = NULL;
    } else {
      __pyx_t_6 = -1; __pyx_t_4 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 358, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_7 = Py_TYPE(__pyx_t_4)->tp_iternext; if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 358, __pyx_L1_error)
    }
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    for (;;) {
      if (likely(!__pyx_t_7)) {
        if (likely(PyList_CheckExact(__pyx_t_4))) {
          if (__pyx_t_6 >= PyList_GET_SIZE(__pyx_t_4)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_3 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_6); __Pyx_INCREF(__pyx_t_3); __pyx_t_6++; if (unlikely(0 < 0)) __PYX_ERR(0, 358, __pyx_L1_error)
          #else
          __pyx_t_3 = PySequence_ITEM(__pyx_t_4, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 358, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_3);
          #endif
        } else {
          if (__pyx_t_6 >= PyTuple_GET_SIZE(__pyx_t_4)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_6); __Pyx_INCREF(__pyx_t_3); __pyx_t_6++; if (unlikely(0 < 0)) __PYX_ERR(0, 358, __pyx_L1_error)
          #else
          __pyx_t_3 = PySequence_ITEM(__pyx_t_4, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 358, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_3);
          #endif
        }
      } else {
        __pyx_t_3 = __pyx_t_7(__pyx_t_4);
        if (unlikely(!__pyx_t_3)) {
          PyObject* exc_type = PyErr_Occurred();
          if (exc_type) {
            if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
            else __PYX_ERR(0, 358, __pyx_L1_error)
          }
          break;
        }
        __Pyx_GOTREF(__pyx_t_3);
      }
      __Pyx_XDECREF_SET(__pyx_v_leaf, __pyx_t_3);
      __pyx_t_3 = 0;

      /* "mathics/core/pattern.py":359
 *             expr_groups = {}
 *             for leaf in expression.leaves:
 *                 expr_groups[leaf] = expr_groups.get(leaf, 0) + 1             # <<<<<<<<<<<<<<
 * 
 *             def per_name(yield_name, groups, vars):
 */
      __pyx_t_3 = __Pyx_PyDict_GetItemDefault(__pyx_cur_scope->__pyx_v_expr_groups, __pyx_v_leaf, __pyx_int_0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 359, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_5 = __Pyx_PyInt_AddObjC(__pyx_t_3, __pyx_int_1, 1, 0, 0); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 359, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (unlikely(PyDict_SetItem(__pyx_cur_scope->__pyx_v_expr_groups, __pyx_v_leaf, __pyx_t_5) < 0)) __PYX_ERR(0, 359, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

      /* "mathics/core/pattern.py":358
 *             # count duplicate leaves
 *             expr_groups = {}
 *             for leaf in expression.leaves:             # <<<<<<<<<<<<<<
 *                 expr_groups[leaf] = expr_groups.get(leaf, 0) + 1
 * 
 */
    }
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":361
 *                 expr_groups[leaf] = expr_groups.get(leaf, 0) + 1
 * 
 *             def per_name(yield_name, groups, vars):             # <<<<<<<<<<<<<<
 *                 """
 *                 Yields possible variable settings (dictionaries) for the
 */
    __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_1per_name, 0, __pyx_n_s_ExpressionPattern_get_pre_choice_4, ((PyObject*)__pyx_cur_scope), __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__18)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 361, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_GIVEREF(__pyx_t_4);
    __pyx_cur_scope->__pyx_v_per_name = __pyx_t_4;
    __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":427
 *             # def yield_name(setting):
 *             #    yield_func(setting)
 *             per_name(yield_func, list(groups.items()), vars)             # <<<<<<<<<<<<<<
 *         else:
 *             yield_func(vars)
 */
    __pyx_t_4 = __Pyx_PyDict_Items(__pyx_v_groups); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 427, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_5 = PySequence_List(__pyx_t_4); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 427, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_t_4 = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_15get_pre_choices_per_name(__pyx_cur_scope->__pyx_v_per_name, __pyx_v_yield_func, __pyx_t_5, __pyx_v_vars); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 427, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":336
 * 
 *     def get_pre_choices(self, yield_func, expression, attributes, vars):
 *         if "System`Orderless" in attributes:             # <<<<<<<<<<<<<<
 *             self.sort()
 *             patterns = self.filter_leaves("Pattern")
 */
    goto __pyx_L3;
  }

  /* "mathics/core/pattern.py":429
 *             per_name(yield_func, list(groups.items()), vars)
 *         else:
 *             yield_func(vars)             # <<<<<<<<<<<<<<
 * 
 *     def __init__(self, expr):
 */
  /*else*/ {
    __Pyx_INCREF(__pyx_v_yield_func);
    __pyx_t_5 = __pyx_v_yield_func; __pyx_t_3 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_5))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_5);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_5, function);
      }
    }
    __pyx_t_4 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_5, __pyx_t_3, __pyx_v_vars) : __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_v_vars);
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 429, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  }
  __pyx_L3:;

  /* "mathics/core/pattern.py":335
 *             )
 * 
 *     def get_pre_choices(self, yield_func, expression, attributes, vars):             # <<<<<<<<<<<<<<
 *         if "System`Orderless" in attributes:
 *             self.sort()
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_XDECREF(__pyx_t_10);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_pre_choices", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_patterns);
  __Pyx_XDECREF(__pyx_v_groups);
  __Pyx_XDECREF(__pyx_v_prev_pattern);
  __Pyx_XDECREF(__pyx_v_prev_name);
  __Pyx_XDECREF(__pyx_v_pattern);
  __Pyx_XDECREF(__pyx_v_name);
  __Pyx_XDECREF(__pyx_v_existing);
  __Pyx_XDECREF(__pyx_v_leaf);
  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":431
 *             yield_func(vars)
 * 
 *     def __init__(self, expr):             # <<<<<<<<<<<<<<
 *         self.head = Pattern.create(expr.head)
 *         self.leaves = [Pattern.create(leaf) for leaf in expr.leaves]
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_5__init__(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_5__init__ = {"__init__", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_5__init__, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_5__init__(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_expr = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__init__ (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_expr,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expr)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("__init__", 1, 2, 2, 1); __PYX_ERR(0, 431, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__init__") < 0)) __PYX_ERR(0, 431, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_self = values[0];
    __pyx_v_expr = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("__init__", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 431, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_4__init__(__pyx_self, __pyx_v_self, __pyx_v_expr);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_4__init__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_expr) {
  PyObject *__pyx_8genexpr1__pyx_v_leaf = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  Py_ssize_t __pyx_t_5;
  PyObject *(*__pyx_t_6)(PyObject *);
  PyObject *__pyx_t_7 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__init__", 0);

  /* "mathics/core/pattern.py":432
 * 
 *     def __init__(self, expr):
 *         self.head = Pattern.create(expr.head)             # <<<<<<<<<<<<<<
 *         self.leaves = [Pattern.create(leaf) for leaf in expr.leaves]
 *         self.expr = expr
 */
  __Pyx_GetModuleGlobalName(__pyx_t_2, __pyx_n_s_Pattern); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 432, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_create); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 432, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_expr, __pyx_n_s_head); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 432, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  __pyx_t_1 = (__pyx_t_4) ? __Pyx_PyObject_Call2Args(__pyx_t_3, __pyx_t_4, __pyx_t_2) : __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_2);
  __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 432, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (__Pyx_PyObject_SetAttrStr(__pyx_v_self, __pyx_n_s_head, __pyx_t_1) < 0) __PYX_ERR(0, 432, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":433
 *     def __init__(self, expr):
 *         self.head = Pattern.create(expr.head)
 *         self.leaves = [Pattern.create(leaf) for leaf in expr.leaves]             # <<<<<<<<<<<<<<
 *         self.expr = expr
 * 
 */
  { /* enter inner scope */
    __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 433, __pyx_L5_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_v_expr, __pyx_n_s_leaves); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 433, __pyx_L5_error)
    __Pyx_GOTREF(__pyx_t_3);
    if (likely(PyList_CheckExact(__pyx_t_3)) || PyTuple_CheckExact(__pyx_t_3)) {
      __pyx_t_2 = __pyx_t_3; __Pyx_INCREF(__pyx_t_2); __pyx_t_5 = 0;
      __pyx_t_6 = NULL;
    } else {
      __pyx_t_5 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 433, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_2);
      __pyx_t_6 = Py_TYPE(__pyx_t_2)->tp_iternext; if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 433, __pyx_L5_error)
    }
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    for (;;) {
      if (likely(!__pyx_t_6)) {
        if (likely(PyList_CheckExact(__pyx_t_2))) {
          if (__pyx_t_5 >= PyList_GET_SIZE(__pyx_t_2)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_3 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_5); __Pyx_INCREF(__pyx_t_3); __pyx_t_5++; if (unlikely(0 < 0)) __PYX_ERR(0, 433, __pyx_L5_error)
          #else
          __pyx_t_3 = PySequence_ITEM(__pyx_t_2, __pyx_t_5); __pyx_t_5++; if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 433, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_3);
          #endif
        } else {
          if (__pyx_t_5 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_5); __Pyx_INCREF(__pyx_t_3); __pyx_t_5++; if (unlikely(0 < 0)) __PYX_ERR(0, 433, __pyx_L5_error)
          #else
          __pyx_t_3 = PySequence_ITEM(__pyx_t_2, __pyx_t_5); __pyx_t_5++; if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 433, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_3);
          #endif
        }
      } else {
        __pyx_t_3 = __pyx_t_6(__pyx_t_2);
        if (unlikely(!__pyx_t_3)) {
          PyObject* exc_type = PyErr_Occurred();
          if (exc_type) {
            if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
            else __PYX_ERR(0, 433, __pyx_L5_error)
          }
          break;
        }
        __Pyx_GOTREF(__pyx_t_3);
      }
      __Pyx_XDECREF_SET(__pyx_8genexpr1__pyx_v_leaf, __pyx_t_3);
      __pyx_t_3 = 0;
      __Pyx_GetModuleGlobalName(__pyx_t_4, __pyx_n_s_Pattern); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 433, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_7 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_create); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 433, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_4 = NULL;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_7))) {
        __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_7);
        if (likely(__pyx_t_4)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_7);
          __Pyx_INCREF(__pyx_t_4);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_7, function);
        }
      }
      __pyx_t_3 = (__pyx_t_4) ? __Pyx_PyObject_Call2Args(__pyx_t_7, __pyx_t_4, __pyx_8genexpr1__pyx_v_leaf) : __Pyx_PyObject_CallOneArg(__pyx_t_7, __pyx_8genexpr1__pyx_v_leaf);
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 433, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
      if (unlikely(__Pyx_ListComp_Append(__pyx_t_1, (PyObject*)__pyx_t_3))) __PYX_ERR(0, 433, __pyx_L5_error)
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    }
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_XDECREF(__pyx_8genexpr1__pyx_v_leaf); __pyx_8genexpr1__pyx_v_leaf = 0;
    goto __pyx_L8_exit_scope;
    __pyx_L5_error:;
    __Pyx_XDECREF(__pyx_8genexpr1__pyx_v_leaf); __pyx_8genexpr1__pyx_v_leaf = 0;
    goto __pyx_L1_error;
    __pyx_L8_exit_scope:;
  } /* exit inner scope */
  if (__Pyx_PyObject_SetAttrStr(__pyx_v_self, __pyx_n_s_leaves, __pyx_t_1) < 0) __PYX_ERR(0, 433, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":434
 *         self.head = Pattern.create(expr.head)
 *         self.leaves = [Pattern.create(leaf) for leaf in expr.leaves]
 *         self.expr = expr             # <<<<<<<<<<<<<<
 * 
 *     def filter_leaves(self, head_name):
 */
  if (__Pyx_PyObject_SetAttrStr(__pyx_v_self, __pyx_n_s_expr, __pyx_v_expr) < 0) __PYX_ERR(0, 434, __pyx_L1_error)

  /* "mathics/core/pattern.py":431
 *             yield_func(vars)
 * 
 *     def __init__(self, expr):             # <<<<<<<<<<<<<<
 *         self.head = Pattern.create(expr.head)
 *         self.leaves = [Pattern.create(leaf) for leaf in expr.leaves]
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_8genexpr1__pyx_v_leaf);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":436
 *         self.expr = expr
 * 
 *     def filter_leaves(self, head_name):             # <<<<<<<<<<<<<<
 *         head_name = ensure_context(head_name)
 *         return [leaf for leaf in self.leaves if leaf.get_head_name() == head_name]
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_7filter_leaves(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_7filter_leaves = {"filter_leaves", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_7filter_leaves, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_7filter_leaves(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_head_name = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("filter_leaves (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_head_name,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_head_name)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("filter_leaves", 1, 2, 2, 1); __PYX_ERR(0, 436, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "filter_leaves") < 0)) __PYX_ERR(0, 436, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_self = values[0];
    __pyx_v_head_name = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("filter_leaves", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 436, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.filter_leaves", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_6filter_leaves(__pyx_self, __pyx_v_self, __pyx_v_head_name);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_6filter_leaves(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_head_name) {
  PyObject *__pyx_8genexpr2__pyx_v_leaf = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  Py_ssize_t __pyx_t_4;
  PyObject *(*__pyx_t_5)(PyObject *);
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  int __pyx_t_8;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("filter_leaves", 0);
  __Pyx_INCREF(__pyx_v_head_name);

  /* "mathics/core/pattern.py":437
 * 
 *     def filter_leaves(self, head_name):
 *         head_name = ensure_context(head_name)             # <<<<<<<<<<<<<<
 *         return [leaf for leaf in self.leaves if leaf.get_head_name() == head_name]
 * 
 */
  __Pyx_GetModuleGlobalName(__pyx_t_2, __pyx_n_s_ensure_context); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 437, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
    }
  }
  __pyx_t_1 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_2, __pyx_t_3, __pyx_v_head_name) : __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_v_head_name);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 437, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF_SET(__pyx_v_head_name, __pyx_t_1);
  __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":438
 *     def filter_leaves(self, head_name):
 *         head_name = ensure_context(head_name)
 *         return [leaf for leaf in self.leaves if leaf.get_head_name() == head_name]             # <<<<<<<<<<<<<<
 * 
 *     def __repr__(self):
 */
  __Pyx_XDECREF(__pyx_r);
  { /* enter inner scope */
    __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 438, __pyx_L5_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 438, __pyx_L5_error)
    __Pyx_GOTREF(__pyx_t_2);
    if (likely(PyList_CheckExact(__pyx_t_2)) || PyTuple_CheckExact(__pyx_t_2)) {
      __pyx_t_3 = __pyx_t_2; __Pyx_INCREF(__pyx_t_3); __pyx_t_4 = 0;
      __pyx_t_5 = NULL;
    } else {
      __pyx_t_4 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 438, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_5 = Py_TYPE(__pyx_t_3)->tp_iternext; if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 438, __pyx_L5_error)
    }
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    for (;;) {
      if (likely(!__pyx_t_5)) {
        if (likely(PyList_CheckExact(__pyx_t_3))) {
          if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_3)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_2 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_4); __Pyx_INCREF(__pyx_t_2); __pyx_t_4++; if (unlikely(0 < 0)) __PYX_ERR(0, 438, __pyx_L5_error)
          #else
          __pyx_t_2 = PySequence_ITEM(__pyx_t_3, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 438, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_2);
          #endif
        } else {
          if (__pyx_t_4 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_4); __Pyx_INCREF(__pyx_t_2); __pyx_t_4++; if (unlikely(0 < 0)) __PYX_ERR(0, 438, __pyx_L5_error)
          #else
          __pyx_t_2 = PySequence_ITEM(__pyx_t_3, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 438, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_2);
          #endif
        }
      } else {
        __pyx_t_2 = __pyx_t_5(__pyx_t_3);
        if (unlikely(!__pyx_t_2)) {
          PyObject* exc_type = PyErr_Occurred();
          if (exc_type) {
            if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
            else __PYX_ERR(0, 438, __pyx_L5_error)
          }
          break;
        }
        __Pyx_GOTREF(__pyx_t_2);
      }
      __Pyx_XDECREF_SET(__pyx_8genexpr2__pyx_v_leaf, __pyx_t_2);
      __pyx_t_2 = 0;
      __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_8genexpr2__pyx_v_leaf, __pyx_n_s_get_head_name); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 438, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_6);
      __pyx_t_7 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_6))) {
        __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_6);
        if (likely(__pyx_t_7)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
          __Pyx_INCREF(__pyx_t_7);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_6, function);
        }
      }
      __pyx_t_2 = (__pyx_t_7) ? __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_t_7) : __Pyx_PyObject_CallNoArg(__pyx_t_6);
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 438, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __pyx_t_6 = PyObject_RichCompare(__pyx_t_2, __pyx_v_head_name, Py_EQ); __Pyx_XGOTREF(__pyx_t_6); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 438, __pyx_L5_error)
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_8 < 0)) __PYX_ERR(0, 438, __pyx_L5_error)
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      if (__pyx_t_8) {
        if (unlikely(__Pyx_ListComp_Append(__pyx_t_1, (PyObject*)__pyx_8genexpr2__pyx_v_leaf))) __PYX_ERR(0, 438, __pyx_L5_error)
      }
    }
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_XDECREF(__pyx_8genexpr2__pyx_v_leaf); __pyx_8genexpr2__pyx_v_leaf = 0;
    goto __pyx_L9_exit_scope;
    __pyx_L5_error:;
    __Pyx_XDECREF(__pyx_8genexpr2__pyx_v_leaf); __pyx_8genexpr2__pyx_v_leaf = 0;
    goto __pyx_L1_error;
    __pyx_L9_exit_scope:;
  } /* exit inner scope */
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":436
 *         self.expr = expr
 * 
 *     def filter_leaves(self, head_name):             # <<<<<<<<<<<<<<
 *         head_name = ensure_context(head_name)
 *         return [leaf for leaf in self.leaves if leaf.get_head_name() == head_name]
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.filter_leaves", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_8genexpr2__pyx_v_leaf);
  __Pyx_XDECREF(__pyx_v_head_name);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":440
 *         return [leaf for leaf in self.leaves if leaf.get_head_name() == head_name]
 * 
 *     def __repr__(self):             # <<<<<<<<<<<<<<
 *         return "<ExpressionPattern: %s>" % self.expr
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_9__repr__(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_9__repr__ = {"__repr__", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_9__repr__, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_9__repr__(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__repr__ (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_8__repr__(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_8__repr__(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__repr__", 0);

  /* "mathics/core/pattern.py":441
 * 
 *     def __repr__(self):
 *         return "<ExpressionPattern: %s>" % self.expr             # <<<<<<<<<<<<<<
 * 
 *     def get_match_count(self, vars={}):
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_expr); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 441, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyUnicode_FormatSafe(__pyx_kp_u_ExpressionPattern_s, __pyx_t_1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 441, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":440
 *         return [leaf for leaf in self.leaves if leaf.get_head_name() == head_name]
 * 
 *     def __repr__(self):             # <<<<<<<<<<<<<<
 *         return "<ExpressionPattern: %s>" % self.expr
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.__repr__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":443
 *         return "<ExpressionPattern: %s>" % self.expr
 * 
 *     def get_match_count(self, vars={}):             # <<<<<<<<<<<<<<
 *         return (1, 1)
 * 
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_10__defaults__(CYTHON_UNUSED PyObject *__pyx_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__defaults__", 0);
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 443, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__Pyx_CyFunction_Defaults(__pyx_defaults4, __pyx_self)->__pyx_arg_vars);
  __Pyx_GIVEREF(__Pyx_CyFunction_Defaults(__pyx_defaults4, __pyx_self)->__pyx_arg_vars);
  PyTuple_SET_ITEM(__pyx_t_1, 0, __Pyx_CyFunction_Defaults(__pyx_defaults4, __pyx_self)->__pyx_arg_vars);
  __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 443, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
  __Pyx_INCREF(Py_None);
  __Pyx_GIVEREF(Py_None);
  PyTuple_SET_ITEM(__pyx_t_2, 1, Py_None);
  __pyx_t_1 = 0;
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("mathics.core.pattern.__defaults__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_11get_match_count(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_11get_match_count = {"get_match_count", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_11get_match_count, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_11get_match_count(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  CYTHON_UNUSED PyObject *__pyx_v_self = 0;
  CYTHON_UNUSED PyObject *__pyx_v_vars = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_match_count (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_vars,0};
    PyObject* values[2] = {0,0};
    __pyx_defaults4 *__pyx_dynamic_args = __Pyx_CyFunction_Defaults(__pyx_defaults4, __pyx_self);
    values[1] = __pyx_dynamic_args->__pyx_arg_vars;
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars);
          if (value) { values[1] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_match_count") < 0)) __PYX_ERR(0, 443, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_vars = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_match_count", 0, 1, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 443, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_match_count", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10get_match_count(__pyx_self, __pyx_v_self, __pyx_v_vars);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10get_match_count(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_vars) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_match_count", 0);

  /* "mathics/core/pattern.py":444
 * 
 *     def get_match_count(self, vars={}):
 *         return (1, 1)             # <<<<<<<<<<<<<<
 * 
 *     def get_wrappings(
 */
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(__pyx_tuple__3);
  __pyx_r = __pyx_tuple__3;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":443
 *         return "<ExpressionPattern: %s>" % self.expr
 * 
 *     def get_match_count(self, vars={}):             # <<<<<<<<<<<<<<
 *         return (1, 1)
 * 
 */

  /* function exit code */
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":446
 *         return (1, 1)
 * 
 *     def get_wrappings(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_13get_wrappings(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_13get_wrappings = {"get_wrappings", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_13get_wrappings, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_13get_wrappings(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  CYTHON_UNUSED PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_yield_func = 0;
  PyObject *__pyx_v_items = 0;
  PyObject *__pyx_v_max_count = 0;
  PyObject *__pyx_v_expression = 0;
  PyObject *__pyx_v_attributes = 0;
  PyObject *__pyx_v_include_flattened = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_wrappings (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_yield_func,&__pyx_n_s_items,&__pyx_n_s_max_count,&__pyx_n_s_expression,&__pyx_n_s_attributes,&__pyx_n_s_include_flattened,0};
    PyObject* values[7] = {0,0,0,0,0,0,0};

    /* "mathics/core/pattern.py":453
 *         expression,
 *         attributes,
 *         include_flattened=True,             # <<<<<<<<<<<<<<
 *     ):
 *         if len(items) == 1:
 */
    values[6] = ((PyObject *)((PyObject *)Py_True));
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
        CYTHON_FALLTHROUGH;
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_yield_func)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_wrappings", 0, 6, 7, 1); __PYX_ERR(0, 446, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_items)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_wrappings", 0, 6, 7, 2); __PYX_ERR(0, 446, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_max_count)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_wrappings", 0, 6, 7, 3); __PYX_ERR(0, 446, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_wrappings", 0, 6, 7, 4); __PYX_ERR(0, 446, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  5:
        if (likely((values[5] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_attributes)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_wrappings", 0, 6, 7, 5); __PYX_ERR(0, 446, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  6:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_include_flattened);
          if (value) { values[6] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_wrappings") < 0)) __PYX_ERR(0, 446, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
        CYTHON_FALLTHROUGH;
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_yield_func = values[1];
    __pyx_v_items = values[2];
    __pyx_v_max_count = values[3];
    __pyx_v_expression = values[4];
    __pyx_v_attributes = values[5];
    __pyx_v_include_flattened = values[6];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_wrappings", 0, 6, 7, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 446, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_wrappings", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_12get_wrappings(__pyx_self, __pyx_v_self, __pyx_v_yield_func, __pyx_v_items, __pyx_v_max_count, __pyx_v_expression, __pyx_v_attributes, __pyx_v_include_flattened);

  /* "mathics/core/pattern.py":446
 *         return (1, 1)
 * 
 *     def get_wrappings(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_12get_wrappings(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, PyObject *__pyx_v_yield_func, PyObject *__pyx_v_items, PyObject *__pyx_v_max_count, PyObject *__pyx_v_expression, PyObject *__pyx_v_attributes, PyObject *__pyx_v_include_flattened) {
  PyObject *__pyx_v_perm = NULL;
  PyObject *__pyx_v_sequence = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  Py_ssize_t __pyx_t_1;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  int __pyx_t_7;
  int __pyx_t_8;
  PyObject *(*__pyx_t_9)(PyObject *);
  PyObject *__pyx_t_10 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_wrappings", 0);

  /* "mathics/core/pattern.py":455
 *         include_flattened=True,
 *     ):
 *         if len(items) == 1:             # <<<<<<<<<<<<<<
 *             yield_func(items[0])
 *         else:
 */
  __pyx_t_1 = PyObject_Length(__pyx_v_items); if (unlikely(__pyx_t_1 == ((Py_ssize_t)-1))) __PYX_ERR(0, 455, __pyx_L1_error)
  __pyx_t_2 = ((__pyx_t_1 == 1) != 0);
  if (__pyx_t_2) {

    /* "mathics/core/pattern.py":456
 *     ):
 *         if len(items) == 1:
 *             yield_func(items[0])             # <<<<<<<<<<<<<<
 *         else:
 *             if max_count is None or len(items) <= max_count:
 */
    __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_items, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 456, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_INCREF(__pyx_v_yield_func);
    __pyx_t_5 = __pyx_v_yield_func; __pyx_t_6 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_5))) {
      __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_5);
      if (likely(__pyx_t_6)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
        __Pyx_INCREF(__pyx_t_6);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_5, function);
      }
    }
    __pyx_t_3 = (__pyx_t_6) ? __Pyx_PyObject_Call2Args(__pyx_t_5, __pyx_t_6, __pyx_t_4) : __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_4);
    __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 456, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":455
 *         include_flattened=True,
 *     ):
 *         if len(items) == 1:             # <<<<<<<<<<<<<<
 *             yield_func(items[0])
 *         else:
 */
    goto __pyx_L3;
  }

  /* "mathics/core/pattern.py":458
 *             yield_func(items[0])
 *         else:
 *             if max_count is None or len(items) <= max_count:             # <<<<<<<<<<<<<<
 *                 if "System`Orderless" in attributes:
 *                     for perm in permutations(items):
 */
  /*else*/ {
    __pyx_t_7 = (__pyx_v_max_count == Py_None);
    __pyx_t_8 = (__pyx_t_7 != 0);
    if (!__pyx_t_8) {
    } else {
      __pyx_t_2 = __pyx_t_8;
      goto __pyx_L5_bool_binop_done;
    }
    __pyx_t_1 = PyObject_Length(__pyx_v_items); if (unlikely(__pyx_t_1 == ((Py_ssize_t)-1))) __PYX_ERR(0, 458, __pyx_L1_error)
    __pyx_t_3 = PyInt_FromSsize_t(__pyx_t_1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 458, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_v_max_count, Py_LE); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 458, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_8 < 0)) __PYX_ERR(0, 458, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __pyx_t_2 = __pyx_t_8;
    __pyx_L5_bool_binop_done:;
    if (__pyx_t_2) {

      /* "mathics/core/pattern.py":459
 *         else:
 *             if max_count is None or len(items) <= max_count:
 *                 if "System`Orderless" in attributes:             # <<<<<<<<<<<<<<
 *                     for perm in permutations(items):
 *                         sequence = Expression("Sequence", *perm)
 */
      __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_kp_u_System_Orderless, __pyx_v_attributes, Py_EQ)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 459, __pyx_L1_error)
      __pyx_t_8 = (__pyx_t_2 != 0);
      if (__pyx_t_8) {

        /* "mathics/core/pattern.py":460
 *             if max_count is None or len(items) <= max_count:
 *                 if "System`Orderless" in attributes:
 *                     for perm in permutations(items):             # <<<<<<<<<<<<<<
 *                         sequence = Expression("Sequence", *perm)
 *                         sequence.pattern_sequence = True
 */
        __Pyx_GetModuleGlobalName(__pyx_t_3, __pyx_n_s_permutations); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 460, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __pyx_t_4 = NULL;
        if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
          __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
          if (likely(__pyx_t_4)) {
            PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
            __Pyx_INCREF(__pyx_t_4);
            __Pyx_INCREF(function);
            __Pyx_DECREF_SET(__pyx_t_3, function);
          }
        }
        __pyx_t_5 = (__pyx_t_4) ? __Pyx_PyObject_Call2Args(__pyx_t_3, __pyx_t_4, __pyx_v_items) : __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_v_items);
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 460, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        if (likely(PyList_CheckExact(__pyx_t_5)) || PyTuple_CheckExact(__pyx_t_5)) {
          __pyx_t_3 = __pyx_t_5; __Pyx_INCREF(__pyx_t_3); __pyx_t_1 = 0;
          __pyx_t_9 = NULL;
        } else {
          __pyx_t_1 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_t_5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 460, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_3);
          __pyx_t_9 = Py_TYPE(__pyx_t_3)->tp_iternext; if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 460, __pyx_L1_error)
        }
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
        for (;;) {
          if (likely(!__pyx_t_9)) {
            if (likely(PyList_CheckExact(__pyx_t_3))) {
              if (__pyx_t_1 >= PyList_GET_SIZE(__pyx_t_3)) break;
              #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
              __pyx_t_5 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_1); __Pyx_INCREF(__pyx_t_5); __pyx_t_1++; if (unlikely(0 < 0)) __PYX_ERR(0, 460, __pyx_L1_error)
              #else
              __pyx_t_5 = PySequence_ITEM(__pyx_t_3, __pyx_t_1); __pyx_t_1++; if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 460, __pyx_L1_error)
              __Pyx_GOTREF(__pyx_t_5);
              #endif
            } else {
              if (__pyx_t_1 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
              #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
              __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_1); __Pyx_INCREF(__pyx_t_5); __pyx_t_1++; if (unlikely(0 < 0)) __PYX_ERR(0, 460, __pyx_L1_error)
              #else
              __pyx_t_5 = PySequence_ITEM(__pyx_t_3, __pyx_t_1); __pyx_t_1++; if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 460, __pyx_L1_error)
              __Pyx_GOTREF(__pyx_t_5);
              #endif
            }
          } else {
            __pyx_t_5 = __pyx_t_9(__pyx_t_3);
            if (unlikely(!__pyx_t_5)) {
              PyObject* exc_type = PyErr_Occurred();
              if (exc_type) {
                if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
                else __PYX_ERR(0, 460, __pyx_L1_error)
              }
              break;
            }
            __Pyx_GOTREF(__pyx_t_5);
          }
          __Pyx_XDECREF_SET(__pyx_v_perm, __pyx_t_5);
          __pyx_t_5 = 0;

          /* "mathics/core/pattern.py":461
 *                 if "System`Orderless" in attributes:
 *                     for perm in permutations(items):
 *                         sequence = Expression("Sequence", *perm)             # <<<<<<<<<<<<<<
 *                         sequence.pattern_sequence = True
 *                         yield_func(sequence)
 */
          __Pyx_GetModuleGlobalName(__pyx_t_5, __pyx_n_s_Expression); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 461, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_5);
          __pyx_t_4 = __Pyx_PySequence_Tuple(__pyx_v_perm); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 461, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_4);
          __pyx_t_6 = PyNumber_Add(__pyx_tuple__19, __pyx_t_4); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 461, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_6);
          __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
          __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_6, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 461, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_4);
          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
          __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
          __Pyx_XDECREF_SET(__pyx_v_sequence, __pyx_t_4);
          __pyx_t_4 = 0;

          /* "mathics/core/pattern.py":462
 *                     for perm in permutations(items):
 *                         sequence = Expression("Sequence", *perm)
 *                         sequence.pattern_sequence = True             # <<<<<<<<<<<<<<
 *                         yield_func(sequence)
 *                 else:
 */
          if (__Pyx_PyObject_SetAttrStr(__pyx_v_sequence, __pyx_n_s_pattern_sequence, Py_True) < 0) __PYX_ERR(0, 462, __pyx_L1_error)

          /* "mathics/core/pattern.py":463
 *                         sequence = Expression("Sequence", *perm)
 *                         sequence.pattern_sequence = True
 *                         yield_func(sequence)             # <<<<<<<<<<<<<<
 *                 else:
 *                     sequence = Expression("Sequence", *items)
 */
          __Pyx_INCREF(__pyx_v_yield_func);
          __pyx_t_6 = __pyx_v_yield_func; __pyx_t_5 = NULL;
          if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_6))) {
            __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_6);
            if (likely(__pyx_t_5)) {
              PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
              __Pyx_INCREF(__pyx_t_5);
              __Pyx_INCREF(function);
              __Pyx_DECREF_SET(__pyx_t_6, function);
            }
          }
          __pyx_t_4 = (__pyx_t_5) ? __Pyx_PyObject_Call2Args(__pyx_t_6, __pyx_t_5, __pyx_v_sequence) : __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_v_sequence);
          __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
          if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 463, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_4);
          __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
          __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

          /* "mathics/core/pattern.py":460
 *             if max_count is None or len(items) <= max_count:
 *                 if "System`Orderless" in attributes:
 *                     for perm in permutations(items):             # <<<<<<<<<<<<<<
 *                         sequence = Expression("Sequence", *perm)
 *                         sequence.pattern_sequence = True
 */
        }
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

        /* "mathics/core/pattern.py":459
 *         else:
 *             if max_count is None or len(items) <= max_count:
 *                 if "System`Orderless" in attributes:             # <<<<<<<<<<<<<<
 *                     for perm in permutations(items):
 *                         sequence = Expression("Sequence", *perm)
 */
        goto __pyx_L7;
      }

      /* "mathics/core/pattern.py":465
 *                         yield_func(sequence)
 *                 else:
 *                     sequence = Expression("Sequence", *items)             # <<<<<<<<<<<<<<
 *                     sequence.pattern_sequence = True
 *                     yield_func(sequence)
 */
      /*else*/ {
        __Pyx_GetModuleGlobalName(__pyx_t_3, __pyx_n_s_Expression); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 465, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __pyx_t_4 = __Pyx_PySequence_Tuple(__pyx_v_items); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 465, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        __pyx_t_6 = PyNumber_Add(__pyx_tuple__19, __pyx_t_4); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 465, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_6);
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
        __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_6, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 465, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
        __pyx_v_sequence = __pyx_t_4;
        __pyx_t_4 = 0;

        /* "mathics/core/pattern.py":466
 *                 else:
 *                     sequence = Expression("Sequence", *items)
 *                     sequence.pattern_sequence = True             # <<<<<<<<<<<<<<
 *                     yield_func(sequence)
 *             if "System`Flat" in attributes and include_flattened:
 */
        if (__Pyx_PyObject_SetAttrStr(__pyx_v_sequence, __pyx_n_s_pattern_sequence, Py_True) < 0) __PYX_ERR(0, 466, __pyx_L1_error)

        /* "mathics/core/pattern.py":467
 *                     sequence = Expression("Sequence", *items)
 *                     sequence.pattern_sequence = True
 *                     yield_func(sequence)             # <<<<<<<<<<<<<<
 *             if "System`Flat" in attributes and include_flattened:
 *                 yield_func(Expression(expression.get_head(), *items))
 */
        __Pyx_INCREF(__pyx_v_yield_func);
        __pyx_t_6 = __pyx_v_yield_func; __pyx_t_3 = NULL;
        if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_6))) {
          __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_6);
          if (likely(__pyx_t_3)) {
            PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
            __Pyx_INCREF(__pyx_t_3);
            __Pyx_INCREF(function);
            __Pyx_DECREF_SET(__pyx_t_6, function);
          }
        }
        __pyx_t_4 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_6, __pyx_t_3, __pyx_v_sequence) : __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_v_sequence);
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
        if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 467, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      }
      __pyx_L7:;

      /* "mathics/core/pattern.py":458
 *             yield_func(items[0])
 *         else:
 *             if max_count is None or len(items) <= max_count:             # <<<<<<<<<<<<<<
 *                 if "System`Orderless" in attributes:
 *                     for perm in permutations(items):
 */
    }

    /* "mathics/core/pattern.py":468
 *                     sequence.pattern_sequence = True
 *                     yield_func(sequence)
 *             if "System`Flat" in attributes and include_flattened:             # <<<<<<<<<<<<<<
 *                 yield_func(Expression(expression.get_head(), *items))
 * 
 */
    __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_kp_u_System_Flat, __pyx_v_attributes, Py_EQ)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 468, __pyx_L1_error)
    __pyx_t_7 = (__pyx_t_2 != 0);
    if (__pyx_t_7) {
    } else {
      __pyx_t_8 = __pyx_t_7;
      goto __pyx_L11_bool_binop_done;
    }
    __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_v_include_flattened); if (unlikely(__pyx_t_7 < 0)) __PYX_ERR(0, 468, __pyx_L1_error)
    __pyx_t_8 = __pyx_t_7;
    __pyx_L11_bool_binop_done:;
    if (__pyx_t_8) {

      /* "mathics/core/pattern.py":469
 *                     yield_func(sequence)
 *             if "System`Flat" in attributes and include_flattened:
 *                 yield_func(Expression(expression.get_head(), *items))             # <<<<<<<<<<<<<<
 * 
 *     def match_leaf(
 */
      __Pyx_GetModuleGlobalName(__pyx_t_6, __pyx_n_s_Expression); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 469, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_expression, __pyx_n_s_get_head); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 469, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_10 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
        __pyx_t_10 = PyMethod_GET_SELF(__pyx_t_5);
        if (likely(__pyx_t_10)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
          __Pyx_INCREF(__pyx_t_10);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_5, function);
        }
      }
      __pyx_t_3 = (__pyx_t_10) ? __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_10) : __Pyx_PyObject_CallNoArg(__pyx_t_5);
      __Pyx_XDECREF(__pyx_t_10); __pyx_t_10 = 0;
      if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 469, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 469, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_GIVEREF(__pyx_t_3);
      PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_3);
      __pyx_t_3 = 0;
      __pyx_t_3 = __Pyx_PySequence_Tuple(__pyx_v_items); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 469, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_10 = PyNumber_Add(__pyx_t_5, __pyx_t_3); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 469, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_10);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_10, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 469, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
      __Pyx_INCREF(__pyx_v_yield_func);
      __pyx_t_10 = __pyx_v_yield_func; __pyx_t_6 = NULL;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_10))) {
        __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_10);
        if (likely(__pyx_t_6)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_10);
          __Pyx_INCREF(__pyx_t_6);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_10, function);
        }
      }
      __pyx_t_4 = (__pyx_t_6) ? __Pyx_PyObject_Call2Args(__pyx_t_10, __pyx_t_6, __pyx_t_3) : __Pyx_PyObject_CallOneArg(__pyx_t_10, __pyx_t_3);
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 469, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

      /* "mathics/core/pattern.py":468
 *                     sequence.pattern_sequence = True
 *                     yield_func(sequence)
 *             if "System`Flat" in attributes and include_flattened:             # <<<<<<<<<<<<<<
 *                 yield_func(Expression(expression.get_head(), *items))
 * 
 */
    }
  }
  __pyx_L3:;

  /* "mathics/core/pattern.py":446
 *         return (1, 1)
 * 
 *     def get_wrappings(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_10);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_wrappings", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_perm);
  __Pyx_XDECREF(__pyx_v_sequence);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":471
 *                 yield_func(Expression(expression.get_head(), *items))
 * 
 *     def match_leaf(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15match_leaf(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_15match_leaf = {"match_leaf", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15match_leaf, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_15match_leaf(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_yield_func = 0;
  PyObject *__pyx_v_leaf = 0;
  PyObject *__pyx_v_rest_leaves = 0;
  PyObject *__pyx_v_rest_expression = 0;
  PyObject *__pyx_v_vars = 0;
  PyObject *__pyx_v_expression = 0;
  PyObject *__pyx_v_attributes = 0;
  PyObject *__pyx_v_evaluation = 0;
  PyObject *__pyx_v_leaf_index = 0;
  PyObject *__pyx_v_leaf_count = 0;
  PyObject *__pyx_v_first = 0;
  PyObject *__pyx_v_fully = 0;
  PyObject *__pyx_v_depth = 0;
  PyObject *__pyx_v_wrap_oneid = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("match_leaf (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_yield_func,&__pyx_n_s_leaf,&__pyx_n_s_rest_leaves,&__pyx_n_s_rest_expression,&__pyx_n_s_vars,&__pyx_n_s_expression,&__pyx_n_s_attributes,&__pyx_n_s_evaluation,&__pyx_n_s_leaf_index,&__pyx_n_s_leaf_count,&__pyx_n_s_first,&__pyx_n_s_fully,&__pyx_n_s_depth,&__pyx_n_s_wrap_oneid,0};
    PyObject* values[15] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
    values[9] = ((PyObject *)((PyObject *)__pyx_int_1));

    /* "mathics/core/pattern.py":482
 *         evaluation,
 *         leaf_index=1,
 *         leaf_count=None,             # <<<<<<<<<<<<<<
 *         first=False,
 *         fully=True,
 */
    values[10] = ((PyObject *)((PyObject *)Py_None));

    /* "mathics/core/pattern.py":483
 *         leaf_index=1,
 *         leaf_count=None,
 *         first=False,             # <<<<<<<<<<<<<<
 *         fully=True,
 *         depth=1,
 */
    values[11] = ((PyObject *)((PyObject *)Py_False));

    /* "mathics/core/pattern.py":484
 *         leaf_count=None,
 *         first=False,
 *         fully=True,             # <<<<<<<<<<<<<<
 *         depth=1,
 *         wrap_oneid=True,
 */
    values[12] = ((PyObject *)((PyObject *)Py_True));
    values[13] = ((PyObject *)((PyObject *)__pyx_int_1));

    /* "mathics/core/pattern.py":486
 *         fully=True,
 *         depth=1,
 *         wrap_oneid=True,             # <<<<<<<<<<<<<<
 *     ):
 * 
 */
    values[14] = ((PyObject *)((PyObject *)Py_True));
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case 15: values[14] = PyTuple_GET_ITEM(__pyx_args, 14);
        CYTHON_FALLTHROUGH;
        case 14: values[13] = PyTuple_GET_ITEM(__pyx_args, 13);
        CYTHON_FALLTHROUGH;
        case 13: values[12] = PyTuple_GET_ITEM(__pyx_args, 12);
        CYTHON_FALLTHROUGH;
        case 12: values[11] = PyTuple_GET_ITEM(__pyx_args, 11);
        CYTHON_FALLTHROUGH;
        case 11: values[10] = PyTuple_GET_ITEM(__pyx_args, 10);
        CYTHON_FALLTHROUGH;
        case 10: values[9] = PyTuple_GET_ITEM(__pyx_args, 9);
        CYTHON_FALLTHROUGH;
        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
        CYTHON_FALLTHROUGH;
        case  8: values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
        CYTHON_FALLTHROUGH;
        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
        CYTHON_FALLTHROUGH;
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_yield_func)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match_leaf", 0, 9, 15, 1); __PYX_ERR(0, 471, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaf)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match_leaf", 0, 9, 15, 2); __PYX_ERR(0, 471, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_rest_leaves)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match_leaf", 0, 9, 15, 3); __PYX_ERR(0, 471, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_rest_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match_leaf", 0, 9, 15, 4); __PYX_ERR(0, 471, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  5:
        if (likely((values[5] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match_leaf", 0, 9, 15, 5); __PYX_ERR(0, 471, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  6:
        if (likely((values[6] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match_leaf", 0, 9, 15, 6); __PYX_ERR(0, 471, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  7:
        if (likely((values[7] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_attributes)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match_leaf", 0, 9, 15, 7); __PYX_ERR(0, 471, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  8:
        if (likely((values[8] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_evaluation)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match_leaf", 0, 9, 15, 8); __PYX_ERR(0, 471, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  9:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaf_index);
          if (value) { values[9] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case 10:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaf_count);
          if (value) { values[10] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case 11:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_first);
          if (value) { values[11] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case 12:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_fully);
          if (value) { values[12] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case 13:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_depth);
          if (value) { values[13] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case 14:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_wrap_oneid);
          if (value) { values[14] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "match_leaf") < 0)) __PYX_ERR(0, 471, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case 15: values[14] = PyTuple_GET_ITEM(__pyx_args, 14);
        CYTHON_FALLTHROUGH;
        case 14: values[13] = PyTuple_GET_ITEM(__pyx_args, 13);
        CYTHON_FALLTHROUGH;
        case 13: values[12] = PyTuple_GET_ITEM(__pyx_args, 12);
        CYTHON_FALLTHROUGH;
        case 12: values[11] = PyTuple_GET_ITEM(__pyx_args, 11);
        CYTHON_FALLTHROUGH;
        case 11: values[10] = PyTuple_GET_ITEM(__pyx_args, 10);
        CYTHON_FALLTHROUGH;
        case 10: values[9] = PyTuple_GET_ITEM(__pyx_args, 9);
        CYTHON_FALLTHROUGH;
        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
        values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
        values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
        values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_yield_func = values[1];
    __pyx_v_leaf = values[2];
    __pyx_v_rest_leaves = values[3];
    __pyx_v_rest_expression = values[4];
    __pyx_v_vars = values[5];
    __pyx_v_expression = values[6];
    __pyx_v_attributes = values[7];
    __pyx_v_evaluation = values[8];
    __pyx_v_leaf_index = values[9];
    __pyx_v_leaf_count = values[10];
    __pyx_v_first = values[11];
    __pyx_v_fully = values[12];
    __pyx_v_depth = values[13];
    __pyx_v_wrap_oneid = values[14];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("match_leaf", 0, 9, 15, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 471, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match_leaf", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_14match_leaf(__pyx_self, __pyx_v_self, __pyx_v_yield_func, __pyx_v_leaf, __pyx_v_rest_leaves, __pyx_v_rest_expression, __pyx_v_vars, __pyx_v_expression, __pyx_v_attributes, __pyx_v_evaluation, __pyx_v_leaf_index, __pyx_v_leaf_count, __pyx_v_first, __pyx_v_fully, __pyx_v_depth, __pyx_v_wrap_oneid);

  /* "mathics/core/pattern.py":471
 *                 yield_func(Expression(expression.get_head(), *items))
 * 
 *     def match_leaf(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":606
 *             # Don't try flattened when the expression would remain the same!
 * 
 *             def leaf_yield(next_vars, next_rest):             # <<<<<<<<<<<<<<
 *                 # if next_rest is None:
 *                 #    next_rest = ([], [])
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_1leaf_yield(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_1leaf_yield = {"leaf_yield", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_1leaf_yield, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_1leaf_yield(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_next_vars = 0;
  PyObject *__pyx_v_next_rest = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("leaf_yield (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_next_vars,&__pyx_n_s_next_rest,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_next_vars)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_next_rest)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("leaf_yield", 1, 2, 2, 1); __PYX_ERR(0, 606, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "leaf_yield") < 0)) __PYX_ERR(0, 606, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_next_vars = values[0];
    __pyx_v_next_rest = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("leaf_yield", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 606, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match_leaf.leaf_yield", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_leaf_yield(__pyx_self, __pyx_v_next_vars, __pyx_v_next_rest);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_leaf_yield(PyObject *__pyx_self, PyObject *__pyx_v_next_vars, PyObject *__pyx_v_next_rest) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *__pyx_cur_scope;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *__pyx_outer_scope;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  int __pyx_t_9;
  PyObject *__pyx_t_10 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("leaf_yield", 0);
  __pyx_outer_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *) __Pyx_CyFunction_GetClosure(__pyx_self);
  __pyx_cur_scope = __pyx_outer_scope;

  /* "mathics/core/pattern.py":611
 *                 # yield_func(next_vars, (rest_expression[0] + items_rest[0],
 *                 # next_rest[1]))
 *                 if next_rest is None:             # <<<<<<<<<<<<<<
 *                     yield_func(
 *                         next_vars, (list(chain(rest_expression[0], items_rest[0])), [])
 */
  __pyx_t_1 = (__pyx_v_next_rest == Py_None);
  __pyx_t_2 = (__pyx_t_1 != 0);
  if (__pyx_t_2) {

    /* "mathics/core/pattern.py":612
 *                 # next_rest[1]))
 *                 if next_rest is None:
 *                     yield_func(             # <<<<<<<<<<<<<<
 *                         next_vars, (list(chain(rest_expression[0], items_rest[0])), [])
 *                     )
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_yield_func)) { __Pyx_RaiseClosureNameError("yield_func"); __PYX_ERR(0, 612, __pyx_L1_error) }

    /* "mathics/core/pattern.py":613
 *                 if next_rest is None:
 *                     yield_func(
 *                         next_vars, (list(chain(rest_expression[0], items_rest[0])), [])             # <<<<<<<<<<<<<<
 *                     )
 *                 else:
 */
    __Pyx_GetModuleGlobalName(__pyx_t_5, __pyx_n_s_chain); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 613, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    if (unlikely(!__pyx_cur_scope->__pyx_v_rest_expression)) { __Pyx_RaiseClosureNameError("rest_expression"); __PYX_ERR(0, 613, __pyx_L1_error) }
    __pyx_t_6 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_rest_expression, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 613, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_6);
    if (unlikely(!__pyx_cur_scope->__pyx_v_items_rest)) { __Pyx_RaiseClosureNameError("items_rest"); __PYX_ERR(0, 613, __pyx_L1_error) }
    __pyx_t_7 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_items_rest, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 613, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_7);
    __pyx_t_8 = NULL;
    __pyx_t_9 = 0;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_5))) {
      __pyx_t_8 = PyMethod_GET_SELF(__pyx_t_5);
      if (likely(__pyx_t_8)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
        __Pyx_INCREF(__pyx_t_8);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_5, function);
        __pyx_t_9 = 1;
      }
    }
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[3] = {__pyx_t_8, __pyx_t_6, __pyx_t_7};
      __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-__pyx_t_9, 2+__pyx_t_9); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 613, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[3] = {__pyx_t_8, __pyx_t_6, __pyx_t_7};
      __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-__pyx_t_9, 2+__pyx_t_9); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 613, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    } else
    #endif
    {
      __pyx_t_10 = PyTuple_New(2+__pyx_t_9); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 613, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_10);
      if (__pyx_t_8) {
        __Pyx_GIVEREF(__pyx_t_8); PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_8); __pyx_t_8 = NULL;
      }
      __Pyx_GIVEREF(__pyx_t_6);
      PyTuple_SET_ITEM(__pyx_t_10, 0+__pyx_t_9, __pyx_t_6);
      __Pyx_GIVEREF(__pyx_t_7);
      PyTuple_SET_ITEM(__pyx_t_10, 1+__pyx_t_9, __pyx_t_7);
      __pyx_t_6 = 0;
      __pyx_t_7 = 0;
      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_10, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 613, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    }
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __pyx_t_5 = PySequence_List(__pyx_t_4); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 613, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_t_4 = PyList_New(0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 613, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_10 = PyTuple_New(2); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 613, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_10);
    __Pyx_GIVEREF(__pyx_t_5);
    PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_5);
    __Pyx_GIVEREF(__pyx_t_4);
    PyTuple_SET_ITEM(__pyx_t_10, 1, __pyx_t_4);
    __pyx_t_5 = 0;
    __pyx_t_4 = 0;
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_func);
    __pyx_t_4 = __pyx_cur_scope->__pyx_v_yield_func; __pyx_t_5 = NULL;
    __pyx_t_9 = 0;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_4))) {
      __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_4);
      if (likely(__pyx_t_5)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
        __Pyx_INCREF(__pyx_t_5);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_4, function);
        __pyx_t_9 = 1;
      }
    }
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_4)) {
      PyObject *__pyx_temp[3] = {__pyx_t_5, __pyx_v_next_vars, __pyx_t_10};
      __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-__pyx_t_9, 2+__pyx_t_9); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 612, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
      PyObject *__pyx_temp[3] = {__pyx_t_5, __pyx_v_next_vars, __pyx_t_10};
      __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-__pyx_t_9, 2+__pyx_t_9); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 612, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    } else
    #endif
    {
      __pyx_t_7 = PyTuple_New(2+__pyx_t_9); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 612, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_7);
      if (__pyx_t_5) {
        __Pyx_GIVEREF(__pyx_t_5); PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_5); __pyx_t_5 = NULL;
      }
      __Pyx_INCREF(__pyx_v_next_vars);
      __Pyx_GIVEREF(__pyx_v_next_vars);
      PyTuple_SET_ITEM(__pyx_t_7, 0+__pyx_t_9, __pyx_v_next_vars);
      __Pyx_GIVEREF(__pyx_t_10);
      PyTuple_SET_ITEM(__pyx_t_7, 1+__pyx_t_9, __pyx_t_10);
      __pyx_t_10 = 0;
      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_7, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 612, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    }
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":611
 *                 # yield_func(next_vars, (rest_expression[0] + items_rest[0],
 *                 # next_rest[1]))
 *                 if next_rest is None:             # <<<<<<<<<<<<<<
 *                     yield_func(
 *                         next_vars, (list(chain(rest_expression[0], items_rest[0])), [])
 */
    goto __pyx_L3;
  }

  /* "mathics/core/pattern.py":616
 *                     )
 *                 else:
 *                     yield_func(             # <<<<<<<<<<<<<<
 *                         next_vars,
 *                         (list(chain(rest_expression[0], items_rest[0])), next_rest[1]),
 */
  /*else*/ {
    if (unlikely(!__pyx_cur_scope->__pyx_v_yield_func)) { __Pyx_RaiseClosureNameError("yield_func"); __PYX_ERR(0, 616, __pyx_L1_error) }

    /* "mathics/core/pattern.py":618
 *                     yield_func(
 *                         next_vars,
 *                         (list(chain(rest_expression[0], items_rest[0])), next_rest[1]),             # <<<<<<<<<<<<<<
 *                     )
 * 
 */
    __Pyx_GetModuleGlobalName(__pyx_t_7, __pyx_n_s_chain); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 618, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_7);
    if (unlikely(!__pyx_cur_scope->__pyx_v_rest_expression)) { __Pyx_RaiseClosureNameError("rest_expression"); __PYX_ERR(0, 618, __pyx_L1_error) }
    __pyx_t_10 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_rest_expression, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 618, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_10);
    if (unlikely(!__pyx_cur_scope->__pyx_v_items_rest)) { __Pyx_RaiseClosureNameError("items_rest"); __PYX_ERR(0, 618, __pyx_L1_error) }
    __pyx_t_5 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_items_rest, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 618, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_t_6 = NULL;
    __pyx_t_9 = 0;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_7))) {
      __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_7);
      if (likely(__pyx_t_6)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_7);
        __Pyx_INCREF(__pyx_t_6);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_7, function);
        __pyx_t_9 = 1;
      }
    }
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_7)) {
      PyObject *__pyx_temp[3] = {__pyx_t_6, __pyx_t_10, __pyx_t_5};
      __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_7, __pyx_temp+1-__pyx_t_9, 2+__pyx_t_9); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 618, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_7)) {
      PyObject *__pyx_temp[3] = {__pyx_t_6, __pyx_t_10, __pyx_t_5};
      __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_7, __pyx_temp+1-__pyx_t_9, 2+__pyx_t_9); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 618, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    } else
    #endif
    {
      __pyx_t_8 = PyTuple_New(2+__pyx_t_9); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 618, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_8);
      if (__pyx_t_6) {
        __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_6); __pyx_t_6 = NULL;
      }
      __Pyx_GIVEREF(__pyx_t_10);
      PyTuple_SET_ITEM(__pyx_t_8, 0+__pyx_t_9, __pyx_t_10);
      __Pyx_GIVEREF(__pyx_t_5);
      PyTuple_SET_ITEM(__pyx_t_8, 1+__pyx_t_9, __pyx_t_5);
      __pyx_t_10 = 0;
      __pyx_t_5 = 0;
      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_7, __pyx_t_8, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 618, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
    }
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    __pyx_t_7 = PySequence_List(__pyx_t_4); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 618, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_7);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_next_rest, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 618, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_8 = PyTuple_New(2); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 618, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_8);
    __Pyx_GIVEREF(__pyx_t_7);
    PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_7);
    __Pyx_GIVEREF(__pyx_t_4);
    PyTuple_SET_ITEM(__pyx_t_8, 1, __pyx_t_4);
    __pyx_t_7 = 0;
    __pyx_t_4 = 0;
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_func);
    __pyx_t_4 = __pyx_cur_scope->__pyx_v_yield_func; __pyx_t_7 = NULL;
    __pyx_t_9 = 0;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_4))) {
      __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_4);
      if (likely(__pyx_t_7)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
        __Pyx_INCREF(__pyx_t_7);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_4, function);
        __pyx_t_9 = 1;
      }
    }
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_4)) {
      PyObject *__pyx_temp[3] = {__pyx_t_7, __pyx_v_next_vars, __pyx_t_8};
      __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-__pyx_t_9, 2+__pyx_t_9); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 616, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
      PyObject *__pyx_temp[3] = {__pyx_t_7, __pyx_v_next_vars, __pyx_t_8};
      __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-__pyx_t_9, 2+__pyx_t_9); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 616, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
    } else
    #endif
    {
      __pyx_t_5 = PyTuple_New(2+__pyx_t_9); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 616, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      if (__pyx_t_7) {
        __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_7); __pyx_t_7 = NULL;
      }
      __Pyx_INCREF(__pyx_v_next_vars);
      __Pyx_GIVEREF(__pyx_v_next_vars);
      PyTuple_SET_ITEM(__pyx_t_5, 0+__pyx_t_9, __pyx_v_next_vars);
      __Pyx_GIVEREF(__pyx_t_8);
      PyTuple_SET_ITEM(__pyx_t_5, 1+__pyx_t_9, __pyx_t_8);
      __pyx_t_8 = 0;
      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_5, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 616, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    }
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  }
  __pyx_L3:;

  /* "mathics/core/pattern.py":606
 *             # Don't try flattened when the expression would remain the same!
 * 
 *             def leaf_yield(next_vars, next_rest):             # <<<<<<<<<<<<<<
 *                 # if next_rest is None:
 *                 #    next_rest = ([], [])
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_XDECREF(__pyx_t_10);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match_leaf.leaf_yield", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":621
 *                     )
 * 
 *             def match_yield(new_vars, _):             # <<<<<<<<<<<<<<
 *                 if rest_leaves:
 *                     self.match_leaf(
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_3match_yield(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_3match_yield = {"match_yield", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_3match_yield, METH_VARARGS|METH_KEYWORDS, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_3match_yield(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_new_vars = 0;
  CYTHON_UNUSED PyObject *__pyx_v__ = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("match_yield (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_new_vars,&__pyx_n_s__5,0};
    PyObject* values[2] = {0,0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_new_vars)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s__5)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("match_yield", 1, 2, 2, 1); __PYX_ERR(0, 621, __pyx_L3_error)
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "match_yield") < 0)) __PYX_ERR(0, 621, __pyx_L3_error)
      }
    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
      goto __pyx_L5_argtuple_error;
    } else {
      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
    }
    __pyx_v_new_vars = values[0];
    __pyx_v__ = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("match_yield", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 621, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match_leaf.match_yield", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_2match_yield(__pyx_self, __pyx_v_new_vars, __pyx_v__);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_2match_yield(PyObject *__pyx_self, PyObject *__pyx_v_new_vars, CYTHON_UNUSED PyObject *__pyx_v__) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *__pyx_cur_scope;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *__pyx_outer_scope;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  int __pyx_t_6;
  int __pyx_t_7;
  int __pyx_t_8;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("match_yield", 0);
  __pyx_outer_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *) __Pyx_CyFunction_GetClosure(__pyx_self);
  __pyx_cur_scope = __pyx_outer_scope;

  /* "mathics/core/pattern.py":622
 * 
 *             def match_yield(new_vars, _):
 *                 if rest_leaves:             # <<<<<<<<<<<<<<
 *                     self.match_leaf(
 *                         leaf_yield,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_rest_leaves)) { __Pyx_RaiseClosureNameError("rest_leaves"); __PYX_ERR(0, 622, __pyx_L1_error) }
  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_rest_leaves); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 622, __pyx_L1_error)
  if (__pyx_t_1) {

    /* "mathics/core/pattern.py":623
 *             def match_yield(new_vars, _):
 *                 if rest_leaves:
 *                     self.match_leaf(             # <<<<<<<<<<<<<<
 *                         leaf_yield,
 *                         next_leaf,
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); __PYX_ERR(0, 623, __pyx_L1_error) }
    __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_match_leaf); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 623, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);

    /* "mathics/core/pattern.py":624
 *                 if rest_leaves:
 *                     self.match_leaf(
 *                         leaf_yield,             # <<<<<<<<<<<<<<
 *                         next_leaf,
 *                         next_rest_leaves,
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_leaf_yield)) { __Pyx_RaiseClosureNameError("leaf_yield"); __PYX_ERR(0, 624, __pyx_L1_error) }

    /* "mathics/core/pattern.py":625
 *                     self.match_leaf(
 *                         leaf_yield,
 *                         next_leaf,             # <<<<<<<<<<<<<<
 *                         next_rest_leaves,
 *                         items_rest,
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_next_leaf)) { __Pyx_RaiseClosureNameError("next_leaf"); __PYX_ERR(0, 625, __pyx_L1_error) }

    /* "mathics/core/pattern.py":626
 *                         leaf_yield,
 *                         next_leaf,
 *                         next_rest_leaves,             # <<<<<<<<<<<<<<
 *                         items_rest,
 *                         new_vars,
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_next_rest_leaves)) { __Pyx_RaiseClosureNameError("next_rest_leaves"); __PYX_ERR(0, 626, __pyx_L1_error) }

    /* "mathics/core/pattern.py":627
 *                         next_leaf,
 *                         next_rest_leaves,
 *                         items_rest,             # <<<<<<<<<<<<<<
 *                         new_vars,
 *                         expression,
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_items_rest)) { __Pyx_RaiseClosureNameError("items_rest"); __PYX_ERR(0, 627, __pyx_L1_error) }

    /* "mathics/core/pattern.py":629
 *                         items_rest,
 *                         new_vars,
 *                         expression,             # <<<<<<<<<<<<<<
 *                         attributes,
 *                         evaluation,
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_expression)) { __Pyx_RaiseClosureNameError("expression"); __PYX_ERR(0, 629, __pyx_L1_error) }

    /* "mathics/core/pattern.py":630
 *                         new_vars,
 *                         expression,
 *                         attributes,             # <<<<<<<<<<<<<<
 *                         evaluation,
 *                         fully=fully,
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_attributes)) { __Pyx_RaiseClosureNameError("attributes"); __PYX_ERR(0, 630, __pyx_L1_error) }

    /* "mathics/core/pattern.py":631
 *                         expression,
 *                         attributes,
 *                         evaluation,             # <<<<<<<<<<<<<<
 *                         fully=fully,
 *                         depth=next_depth,
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_evaluation)) { __Pyx_RaiseClosureNameError("evaluation"); __PYX_ERR(0, 631, __pyx_L1_error) }

    /* "mathics/core/pattern.py":623
 *             def match_yield(new_vars, _):
 *                 if rest_leaves:
 *                     self.match_leaf(             # <<<<<<<<<<<<<<
 *                         leaf_yield,
 *                         next_leaf,
 */
    __pyx_t_3 = PyTuple_New(8); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 623, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_leaf_yield);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_leaf_yield);
    PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_cur_scope->__pyx_v_leaf_yield);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_next_leaf);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_next_leaf);
    PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_cur_scope->__pyx_v_next_leaf);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_next_rest_leaves);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_next_rest_leaves);
    PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_cur_scope->__pyx_v_next_rest_leaves);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_items_rest);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_items_rest);
    PyTuple_SET_ITEM(__pyx_t_3, 3, __pyx_cur_scope->__pyx_v_items_rest);
    __Pyx_INCREF(__pyx_v_new_vars);
    __Pyx_GIVEREF(__pyx_v_new_vars);
    PyTuple_SET_ITEM(__pyx_t_3, 4, __pyx_v_new_vars);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
    PyTuple_SET_ITEM(__pyx_t_3, 5, __pyx_cur_scope->__pyx_v_expression);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_attributes);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_attributes);
    PyTuple_SET_ITEM(__pyx_t_3, 6, __pyx_cur_scope->__pyx_v_attributes);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_evaluation);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_evaluation);
    PyTuple_SET_ITEM(__pyx_t_3, 7, __pyx_cur_scope->__pyx_v_evaluation);

    /* "mathics/core/pattern.py":632
 *                         attributes,
 *                         evaluation,
 *                         fully=fully,             # <<<<<<<<<<<<<<
 *                         depth=next_depth,
 *                         leaf_index=next_index,
 */
    __pyx_t_4 = __Pyx_PyDict_NewPresized(5); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 632, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    if (unlikely(!__pyx_cur_scope->__pyx_v_fully)) { __Pyx_RaiseClosureNameError("fully"); __PYX_ERR(0, 632, __pyx_L1_error) }
    if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_fully, __pyx_cur_scope->__pyx_v_fully) < 0) __PYX_ERR(0, 632, __pyx_L1_error)

    /* "mathics/core/pattern.py":633
 *                         evaluation,
 *                         fully=fully,
 *                         depth=next_depth,             # <<<<<<<<<<<<<<
 *                         leaf_index=next_index,
 *                         leaf_count=leaf_count,
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_next_depth)) { __Pyx_RaiseClosureNameError("next_depth"); __PYX_ERR(0, 633, __pyx_L1_error) }
    if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_depth, __pyx_cur_scope->__pyx_v_next_depth) < 0) __PYX_ERR(0, 632, __pyx_L1_error)

    /* "mathics/core/pattern.py":634
 *                         fully=fully,
 *                         depth=next_depth,
 *                         leaf_index=next_index,             # <<<<<<<<<<<<<<
 *                         leaf_count=leaf_count,
 *                         wrap_oneid=wrap_oneid,
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_next_index)) { __Pyx_RaiseClosureNameError("next_index"); __PYX_ERR(0, 634, __pyx_L1_error) }
    if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_leaf_index, __pyx_cur_scope->__pyx_v_next_index) < 0) __PYX_ERR(0, 632, __pyx_L1_error)

    /* "mathics/core/pattern.py":635
 *                         depth=next_depth,
 *                         leaf_index=next_index,
 *                         leaf_count=leaf_count,             # <<<<<<<<<<<<<<
 *                         wrap_oneid=wrap_oneid,
 *                     )
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_leaf_count)) { __Pyx_RaiseClosureNameError("leaf_count"); __PYX_ERR(0, 635, __pyx_L1_error) }
    if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_leaf_count, __pyx_cur_scope->__pyx_v_leaf_count) < 0) __PYX_ERR(0, 632, __pyx_L1_error)

    /* "mathics/core/pattern.py":636
 *                         leaf_index=next_index,
 *                         leaf_count=leaf_count,
 *                         wrap_oneid=wrap_oneid,             # <<<<<<<<<<<<<<
 *                     )
 *                 else:
 */
    if (unlikely(!__pyx_cur_scope->__pyx_v_wrap_oneid)) { __Pyx_RaiseClosureNameError("wrap_oneid"); __PYX_ERR(0, 636, __pyx_L1_error) }
    if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_wrap_oneid, __pyx_cur_scope->__pyx_v_wrap_oneid) < 0) __PYX_ERR(0, 632, __pyx_L1_error)

    /* "mathics/core/pattern.py":623
 *             def match_yield(new_vars, _):
 *                 if rest_leaves:
 *                     self.match_leaf(             # <<<<<<<<<<<<<<
 *                         leaf_yield,
 *                         next_leaf,
 */
    __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 623, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

    /* "mathics/core/pattern.py":622
 * 
 *             def match_yield(new_vars, _):
 *                 if rest_leaves:             # <<<<<<<<<<<<<<
 *                     self.match_leaf(
 *                         leaf_yield,
 */
    goto __pyx_L3;
  }

  /* "mathics/core/pattern.py":639
 *                     )
 *                 else:
 *                     if not fully or (not items_rest[0] and not items_rest[1]):             # <<<<<<<<<<<<<<
 *                         yield_func(new_vars, items_rest)
 * 
 */
  /*else*/ {
    if (unlikely(!__pyx_cur_scope->__pyx_v_fully)) { __Pyx_RaiseClosureNameError("fully"); __PYX_ERR(0, 639, __pyx_L1_error) }
    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_fully); if (unlikely(__pyx_t_6 < 0)) __PYX_ERR(0, 639, __pyx_L1_error)
    __pyx_t_7 = ((!__pyx_t_6) != 0);
    if (!__pyx_t_7) {
    } else {
      __pyx_t_1 = __pyx_t_7;
      goto __pyx_L5_bool_binop_done;
    }
    if (unlikely(!__pyx_cur_scope->__pyx_v_items_rest)) { __Pyx_RaiseClosureNameError("items_rest"); __PYX_ERR(0, 639, __pyx_L1_error) }
    __pyx_t_5 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_items_rest, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 639, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) __PYX_ERR(0, 639, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __pyx_t_6 = ((!__pyx_t_7) != 0);
    if (__pyx_t_6) {
    } else {
      __pyx_t_1 = __pyx_t_6;
      goto __pyx_L5_bool_binop_done;
    }
    if (unlikely(!__pyx_cur_scope->__pyx_v_items_rest)) { __Pyx_RaiseClosureNameError("items_rest"); __PYX_ERR(0, 639, __pyx_L1_error) }
    __pyx_t_5 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_items_rest, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 639, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) __PYX_ERR(0, 639, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __pyx_t_7 = ((!__pyx_t_6) != 0);
    __pyx_t_1 = __pyx_t_7;
    __pyx_L5_bool_binop_done:;
    if (__pyx_t_1) {

      /* "mathics/core/pattern.py":640
 *                 else:
 *                     if not fully or (not items_rest[0] and not items_rest[1]):
 *                         yield_func(new_vars, items_rest)             # <<<<<<<<<<<<<<
 * 
 *             def yield_wrapping(item):
 */
      if (unlikely(!__pyx_cur_scope->__pyx_v_yield_func)) { __Pyx_RaiseClosureNameError("yield_func"); __PYX_ERR(0, 640, __pyx_L1_error) }
      if (unlikely(!__pyx_cur_scope->__pyx_v_items_rest)) { __Pyx_RaiseClosureNameError("items_rest"); __PYX_ERR(0, 640, __pyx_L1_error) }
      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_func);
      __pyx_t_4 = __pyx_cur_scope->__pyx_v_yield_func; __pyx_t_3 = NULL;
      __pyx_t_8 = 0;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_4))) {
        __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_4);
        if (likely(__pyx_t_3)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
          __Pyx_INCREF(__pyx_t_3);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_4, function);
          __pyx_t_8 = 1;
        }
      }
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_4)) {
        PyObject *__pyx_temp[3] = {__pyx_t_3, __pyx_v_new_vars, __pyx_cur_scope->__pyx_v_items_rest};
        __pyx_t_5 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-__pyx_t_8, 2+__pyx_t_8); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 640, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_GOTREF(__pyx_t_5);
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
        PyObject *__pyx_temp[3] = {__pyx_t_3, __pyx_v_new_vars, __pyx_cur_scope->__pyx_v_items_rest};
        __pyx_t_5 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-__pyx_t_8, 2+__pyx_t_8); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 640, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_GOTREF(__pyx_t_5);
      } else
      #endif
      {
        __pyx_t_2 = PyTuple_New(2+__pyx_t_8); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 640, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_2);
        if (__pyx_t_3) {
          __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_3); __pyx_t_3 = NULL;
        }
        __Pyx_INCREF(__pyx_v_new_vars);
        __Pyx_GIVEREF(__pyx_v_new_vars);
        PyTuple_SET_ITEM(__pyx_t_2, 0+__pyx_t_8, __pyx_v_new_vars);
        __Pyx_INCREF(__pyx_cur_scope->__pyx_v_items_rest);
        __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_items_rest);
        PyTuple_SET_ITEM(__pyx_t_2, 1+__pyx_t_8, __pyx_cur_scope->__pyx_v_items_rest);
        __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_2, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 640, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      }
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

      /* "mathics/core/pattern.py":639
 *                     )
 *                 else:
 *                     if not fully or (not items_rest[0] and not items_rest[1]):             # <<<<<<<<<<<<<<
 *                         yield_func(new_vars, items_rest)
 * 
 */
    }
  }
  __pyx_L3:;

  /* "mathics/core/pattern.py":621
 *                     )
 * 
 *             def match_yield(new_vars, _):             # <<<<<<<<<<<<<<
 *                 if rest_leaves:
 *                     self.match_leaf(
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match_leaf.match_yield", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":642
 *                         yield_func(new_vars, items_rest)
 * 
 *             def yield_wrapping(item):             # <<<<<<<<<<<<<<
 *                 leaf.match(
 *                     match_yield,
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_5yield_wrapping(PyObject *__pyx_self, PyObject *__pyx_v_item); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_5yield_wrapping = {"yield_wrapping", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_5yield_wrapping, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_5yield_wrapping(PyObject *__pyx_self, PyObject *__pyx_v_item) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("yield_wrapping (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_4yield_wrapping(__pyx_self, ((PyObject *)__pyx_v_item));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_4yield_wrapping(PyObject *__pyx_self, PyObject *__pyx_v_item) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *__pyx_cur_scope;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *__pyx_outer_scope;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("yield_wrapping", 0);
  __pyx_outer_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *) __Pyx_CyFunction_GetClosure(__pyx_self);
  __pyx_cur_scope = __pyx_outer_scope;

  /* "mathics/core/pattern.py":643
 * 
 *             def yield_wrapping(item):
 *                 leaf.match(             # <<<<<<<<<<<<<<
 *                     match_yield,
 *                     item,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_leaf)) { __Pyx_RaiseClosureNameError("leaf"); __PYX_ERR(0, 643, __pyx_L1_error) }
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_leaf, __pyx_n_s_match); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 643, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);

  /* "mathics/core/pattern.py":644
 *             def yield_wrapping(item):
 *                 leaf.match(
 *                     match_yield,             # <<<<<<<<<<<<<<
 *                     item,
 *                     vars,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_match_yield)) { __Pyx_RaiseClosureNameError("match_yield"); __PYX_ERR(0, 644, __pyx_L1_error) }

  /* "mathics/core/pattern.py":646
 *                     match_yield,
 *                     item,
 *                     vars,             # <<<<<<<<<<<<<<
 *                     evaluation,
 *                     fully=True,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_vars)) { __Pyx_RaiseClosureNameError("vars"); __PYX_ERR(0, 646, __pyx_L1_error) }

  /* "mathics/core/pattern.py":647
 *                     item,
 *                     vars,
 *                     evaluation,             # <<<<<<<<<<<<<<
 *                     fully=True,
 *                     head=expression.head,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_evaluation)) { __Pyx_RaiseClosureNameError("evaluation"); __PYX_ERR(0, 647, __pyx_L1_error) }

  /* "mathics/core/pattern.py":643
 * 
 *             def yield_wrapping(item):
 *                 leaf.match(             # <<<<<<<<<<<<<<
 *                     match_yield,
 *                     item,
 */
  __pyx_t_2 = PyTuple_New(4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 643, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_match_yield);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_match_yield);
  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_cur_scope->__pyx_v_match_yield);
  __Pyx_INCREF(__pyx_v_item);
  __Pyx_GIVEREF(__pyx_v_item);
  PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_v_item);
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_vars);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_vars);
  PyTuple_SET_ITEM(__pyx_t_2, 2, __pyx_cur_scope->__pyx_v_vars);
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_evaluation);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_evaluation);
  PyTuple_SET_ITEM(__pyx_t_2, 3, __pyx_cur_scope->__pyx_v_evaluation);

  /* "mathics/core/pattern.py":648
 *                     vars,
 *                     evaluation,
 *                     fully=True,             # <<<<<<<<<<<<<<
 *                     head=expression.head,
 *                     leaf_index=leaf_index,
 */
  __pyx_t_3 = __Pyx_PyDict_NewPresized(5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 648, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_3, __pyx_n_s_fully, Py_True) < 0) __PYX_ERR(0, 648, __pyx_L1_error)

  /* "mathics/core/pattern.py":649
 *                     evaluation,
 *                     fully=True,
 *                     head=expression.head,             # <<<<<<<<<<<<<<
 *                     leaf_index=leaf_index,
 *                     leaf_count=leaf_count,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_expression)) { __Pyx_RaiseClosureNameError("expression"); __PYX_ERR(0, 649, __pyx_L1_error) }
  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_head); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 649, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (PyDict_SetItem(__pyx_t_3, __pyx_n_s_head, __pyx_t_4) < 0) __PYX_ERR(0, 648, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":650
 *                     fully=True,
 *                     head=expression.head,
 *                     leaf_index=leaf_index,             # <<<<<<<<<<<<<<
 *                     leaf_count=leaf_count,
 *                     wrap_oneid=wrap_oneid,
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_leaf_index)) { __Pyx_RaiseClosureNameError("leaf_index"); __PYX_ERR(0, 650, __pyx_L1_error) }
  if (PyDict_SetItem(__pyx_t_3, __pyx_n_s_leaf_index, __pyx_cur_scope->__pyx_v_leaf_index) < 0) __PYX_ERR(0, 648, __pyx_L1_error)

  /* "mathics/core/pattern.py":651
 *                     head=expression.head,
 *                     leaf_index=leaf_index,
 *                     leaf_count=leaf_count,             # <<<<<<<<<<<<<<
 *                     wrap_oneid=wrap_oneid,
 *                 )
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_leaf_count)) { __Pyx_RaiseClosureNameError("leaf_count"); __PYX_ERR(0, 651, __pyx_L1_error) }
  if (PyDict_SetItem(__pyx_t_3, __pyx_n_s_leaf_count, __pyx_cur_scope->__pyx_v_leaf_count) < 0) __PYX_ERR(0, 648, __pyx_L1_error)

  /* "mathics/core/pattern.py":652
 *                     leaf_index=leaf_index,
 *                     leaf_count=leaf_count,
 *                     wrap_oneid=wrap_oneid,             # <<<<<<<<<<<<<<
 *                 )
 * 
 */
  if (unlikely(!__pyx_cur_scope->__pyx_v_wrap_oneid)) { __Pyx_RaiseClosureNameError("wrap_oneid"); __PYX_ERR(0, 652, __pyx_L1_error) }
  if (PyDict_SetItem(__pyx_t_3, __pyx_n_s_wrap_oneid, __pyx_cur_scope->__pyx_v_wrap_oneid) < 0) __PYX_ERR(0, 648, __pyx_L1_error)

  /* "mathics/core/pattern.py":643
 * 
 *             def yield_wrapping(item):
 *                 leaf.match(             # <<<<<<<<<<<<<<
 *                     match_yield,
 *                     item,
 */
  __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 643, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":642
 *                         yield_func(new_vars, items_rest)
 * 
 *             def yield_wrapping(item):             # <<<<<<<<<<<<<<
 *                 leaf.match(
 *                     match_yield,
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match_leaf.yield_wrapping", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":471
 *                 yield_func(Expression(expression.get_head(), *items))
 * 
 *     def match_leaf(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_14match_leaf(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_yield_func, PyObject *__pyx_v_leaf, PyObject *__pyx_v_rest_leaves, PyObject *__pyx_v_rest_expression, PyObject *__pyx_v_vars, PyObject *__pyx_v_expression, PyObject *__pyx_v_attributes, PyObject *__pyx_v_evaluation, PyObject *__pyx_v_leaf_index, PyObject *__pyx_v_leaf_count, PyObject *__pyx_v_first, PyObject *__pyx_v_fully, PyObject *__pyx_v_depth, PyObject *__pyx_v_wrap_oneid) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *__pyx_cur_scope;
  PyObject *__pyx_v_match_count = NULL;
  PyObject *__pyx_v_leaf_candidates = NULL;
  PyObject *__pyx_v_candidates = NULL;
  PyObject *__pyx_v_try_flattened = NULL;
  PyObject *__pyx_v_set_lengths = NULL;
  PyObject *__pyx_v_less_first = NULL;
  PyObject *__pyx_v_sets = NULL;
  PyObject *__pyx_v_varname = NULL;
  PyObject *__pyx_v_existing = NULL;
  PyObject *__pyx_v_head = NULL;
  PyObject *__pyx_v_needed = NULL;
  PyObject *__pyx_v_available = NULL;
  PyObject *__pyx_v_needed_leaf = NULL;
  PyObject *__pyx_v_items = NULL;
  PyObject *__pyx_v_include_flattened = NULL;
  PyObject *__pyx_v_yield_wrapping = 0;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  int __pyx_t_7;
  PyObject *__pyx_t_8 = NULL;
  Py_ssize_t __pyx_t_9;
  int __pyx_t_10;
  PyObject *(*__pyx_t_11)(PyObject *);
  PyObject *(*__pyx_t_12)(PyObject *);
  Py_ssize_t __pyx_t_13;
  Py_ssize_t __pyx_t_14;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("match_leaf", 0);
  __pyx_cur_scope = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *)__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf(__pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf, __pyx_empty_tuple, NULL);
  if (unlikely(!__pyx_cur_scope)) {
    __pyx_cur_scope = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *)Py_None);
    __Pyx_INCREF(Py_None);
    __PYX_ERR(0, 471, __pyx_L1_error)
  } else {
    __Pyx_GOTREF(__pyx_cur_scope);
  }
  __pyx_cur_scope->__pyx_v_self = __pyx_v_self;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_self);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_self);
  __pyx_cur_scope->__pyx_v_yield_func = __pyx_v_yield_func;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_yield_func);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_yield_func);
  __pyx_cur_scope->__pyx_v_leaf = __pyx_v_leaf;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_leaf);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_leaf);
  __pyx_cur_scope->__pyx_v_rest_leaves = __pyx_v_rest_leaves;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_rest_leaves);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_rest_leaves);
  __pyx_cur_scope->__pyx_v_rest_expression = __pyx_v_rest_expression;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_rest_expression);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_rest_expression);
  __pyx_cur_scope->__pyx_v_vars = __pyx_v_vars;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_vars);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_vars);
  __pyx_cur_scope->__pyx_v_expression = __pyx_v_expression;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
  __pyx_cur_scope->__pyx_v_attributes = __pyx_v_attributes;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_attributes);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_attributes);
  __pyx_cur_scope->__pyx_v_evaluation = __pyx_v_evaluation;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_evaluation);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_evaluation);
  __pyx_cur_scope->__pyx_v_leaf_index = __pyx_v_leaf_index;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_leaf_index);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_leaf_index);
  __pyx_cur_scope->__pyx_v_leaf_count = __pyx_v_leaf_count;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_leaf_count);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_leaf_count);
  __pyx_cur_scope->__pyx_v_fully = __pyx_v_fully;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_fully);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_fully);
  __pyx_cur_scope->__pyx_v_wrap_oneid = __pyx_v_wrap_oneid;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_wrap_oneid);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_wrap_oneid);

  /* "mathics/core/pattern.py":489
 *     ):
 * 
 *         if rest_expression is None:             # <<<<<<<<<<<<<<
 *             rest_expression = ([], [])
 * 
 */
  __pyx_t_1 = (__pyx_cur_scope->__pyx_v_rest_expression == Py_None);
  __pyx_t_2 = (__pyx_t_1 != 0);
  if (__pyx_t_2) {

    /* "mathics/core/pattern.py":490
 * 
 *         if rest_expression is None:
 *             rest_expression = ([], [])             # <<<<<<<<<<<<<<
 * 
 *         evaluation.check_stopped()
 */
    __pyx_t_3 = PyList_New(0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 490, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_4 = PyList_New(0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 490, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_5 = PyTuple_New(2); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 490, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_GIVEREF(__pyx_t_3);
    PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_3);
    __Pyx_GIVEREF(__pyx_t_4);
    PyTuple_SET_ITEM(__pyx_t_5, 1, __pyx_t_4);
    __pyx_t_3 = 0;
    __pyx_t_4 = 0;
    __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_rest_expression);
    __Pyx_DECREF_SET(__pyx_cur_scope->__pyx_v_rest_expression, __pyx_t_5);
    __Pyx_GIVEREF(__pyx_t_5);
    __pyx_t_5 = 0;

    /* "mathics/core/pattern.py":489
 *     ):
 * 
 *         if rest_expression is None:             # <<<<<<<<<<<<<<
 *             rest_expression = ([], [])
 * 
 */
  }

  /* "mathics/core/pattern.py":492
 *             rest_expression = ([], [])
 * 
 *         evaluation.check_stopped()             # <<<<<<<<<<<<<<
 * 
 *         match_count = leaf.get_match_count(vars)
 */
  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_evaluation, __pyx_n_s_check_stopped); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 492, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_4);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_4, function);
    }
  }
  __pyx_t_5 = (__pyx_t_3) ? __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_3) : __Pyx_PyObject_CallNoArg(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 492, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

  /* "mathics/core/pattern.py":494
 *         evaluation.check_stopped()
 * 
 *         match_count = leaf.get_match_count(vars)             # <<<<<<<<<<<<<<
 *         leaf_candidates = leaf.get_match_candidates(
 *             rest_expression[1],  # leaf.candidates,
 */
  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_leaf, __pyx_n_s_get_match_count); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 494, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_4);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_4, function);
    }
  }
  __pyx_t_5 = (__pyx_t_3) ? __Pyx_PyObject_Call2Args(__pyx_t_4, __pyx_t_3, __pyx_cur_scope->__pyx_v_vars) : __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_cur_scope->__pyx_v_vars);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 494, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __pyx_v_match_count = __pyx_t_5;
  __pyx_t_5 = 0;

  /* "mathics/core/pattern.py":495
 * 
 *         match_count = leaf.get_match_count(vars)
 *         leaf_candidates = leaf.get_match_candidates(             # <<<<<<<<<<<<<<
 *             rest_expression[1],  # leaf.candidates,
 *             expression,
 */
  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_leaf, __pyx_n_s_get_match_candidates); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 495, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);

  /* "mathics/core/pattern.py":496
 *         match_count = leaf.get_match_count(vars)
 *         leaf_candidates = leaf.get_match_candidates(
 *             rest_expression[1],  # leaf.candidates,             # <<<<<<<<<<<<<<
 *             expression,
 *             attributes,
 */
  __pyx_t_3 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_rest_expression, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 496, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);

  /* "mathics/core/pattern.py":500
 *             attributes,
 *             evaluation,
 *             vars,             # <<<<<<<<<<<<<<
 *         )
 * 
 */
  __pyx_t_6 = NULL;
  __pyx_t_7 = 0;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
    __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_4);
    if (likely(__pyx_t_6)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
      __Pyx_INCREF(__pyx_t_6);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_4, function);
      __pyx_t_7 = 1;
    }
  }
  #if CYTHON_FAST_PYCALL
  if (PyFunction_Check(__pyx_t_4)) {
    PyObject *__pyx_temp[6] = {__pyx_t_6, __pyx_t_3, __pyx_cur_scope->__pyx_v_expression, __pyx_cur_scope->__pyx_v_attributes, __pyx_cur_scope->__pyx_v_evaluation, __pyx_cur_scope->__pyx_v_vars};
    __pyx_t_5 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-__pyx_t_7, 5+__pyx_t_7); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 495, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  } else
  #endif
  #if CYTHON_FAST_PYCCALL
  if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
    PyObject *__pyx_temp[6] = {__pyx_t_6, __pyx_t_3, __pyx_cur_scope->__pyx_v_expression, __pyx_cur_scope->__pyx_v_attributes, __pyx_cur_scope->__pyx_v_evaluation, __pyx_cur_scope->__pyx_v_vars};
    __pyx_t_5 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-__pyx_t_7, 5+__pyx_t_7); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 495, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  } else
  #endif
  {
    __pyx_t_8 = PyTuple_New(5+__pyx_t_7); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 495, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_8);
    if (__pyx_t_6) {
      __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_6); __pyx_t_6 = NULL;
    }
    __Pyx_GIVEREF(__pyx_t_3);
    PyTuple_SET_ITEM(__pyx_t_8, 0+__pyx_t_7, __pyx_t_3);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
    PyTuple_SET_ITEM(__pyx_t_8, 1+__pyx_t_7, __pyx_cur_scope->__pyx_v_expression);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_attributes);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_attributes);
    PyTuple_SET_ITEM(__pyx_t_8, 2+__pyx_t_7, __pyx_cur_scope->__pyx_v_attributes);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_evaluation);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_evaluation);
    PyTuple_SET_ITEM(__pyx_t_8, 3+__pyx_t_7, __pyx_cur_scope->__pyx_v_evaluation);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_vars);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_vars);
    PyTuple_SET_ITEM(__pyx_t_8, 4+__pyx_t_7, __pyx_cur_scope->__pyx_v_vars);
    __pyx_t_3 = 0;
    __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_8, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 495, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
  }
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __pyx_v_leaf_candidates = __pyx_t_5;
  __pyx_t_5 = 0;

  /* "mathics/core/pattern.py":503
 *         )
 * 
 *         if len(leaf_candidates) < match_count[0]:             # <<<<<<<<<<<<<<
 *             return
 * 
 */
  __pyx_t_9 = PyObject_Length(__pyx_v_leaf_candidates); if (unlikely(__pyx_t_9 == ((Py_ssize_t)-1))) __PYX_ERR(0, 503, __pyx_L1_error)
  __pyx_t_5 = PyInt_FromSsize_t(__pyx_t_9); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 503, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_match_count, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 503, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __pyx_t_8 = PyObject_RichCompare(__pyx_t_5, __pyx_t_4, Py_LT); __Pyx_XGOTREF(__pyx_t_8); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 503, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 503, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
  if (__pyx_t_2) {

    /* "mathics/core/pattern.py":504
 * 
 *         if len(leaf_candidates) < match_count[0]:
 *             return             # <<<<<<<<<<<<<<
 * 
 *         candidates = rest_expression[1]
 */
    __Pyx_XDECREF(__pyx_r);
    __pyx_r = Py_None; __Pyx_INCREF(Py_None);
    goto __pyx_L0;

    /* "mathics/core/pattern.py":503
 *         )
 * 
 *         if len(leaf_candidates) < match_count[0]:             # <<<<<<<<<<<<<<
 *             return
 * 
 */
  }

  /* "mathics/core/pattern.py":506
 *             return
 * 
 *         candidates = rest_expression[1]             # <<<<<<<<<<<<<<
 * 
 *         # "Artificially" only use more leaves than specified for some kind
 */
  __pyx_t_8 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_rest_expression, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 506, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_8);
  __pyx_v_candidates = __pyx_t_8;
  __pyx_t_8 = 0;

  /* "mathics/core/pattern.py":511
 *         # of pattern.
 *         # TODO: This could be further optimized!
 *         try_flattened = ("System`Flat" in attributes) and (             # <<<<<<<<<<<<<<
 *             leaf.get_head_name()
 *             in (
 */
  __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_kp_u_System_Flat, __pyx_cur_scope->__pyx_v_attributes, Py_EQ)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 511, __pyx_L1_error)
  if (__pyx_t_2) {
  } else {
    __pyx_t_4 = __Pyx_PyBool_FromLong(__pyx_t_2); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 511, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_8 = __pyx_t_4;
    __pyx_t_4 = 0;
    goto __pyx_L5_bool_binop_done;
  }

  /* "mathics/core/pattern.py":512
 *         # TODO: This could be further optimized!
 *         try_flattened = ("System`Flat" in attributes) and (
 *             leaf.get_head_name()             # <<<<<<<<<<<<<<
 *             in (
 *                 system_symbols(
 */
  __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_leaf, __pyx_n_s_get_head_name); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 512, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_5);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_5, function);
    }
  }
  __pyx_t_4 = (__pyx_t_3) ? __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_3) : __Pyx_PyObject_CallNoArg(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 512, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

  /* "mathics/core/pattern.py":514
 *             leaf.get_head_name()
 *             in (
 *                 system_symbols(             # <<<<<<<<<<<<<<
 *                     "Pattern",
 *                     "PatternTest",
 */
  __Pyx_GetModuleGlobalName(__pyx_t_5, __pyx_n_s_system_symbols); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 514, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_tuple__20, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 514, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_t_4, __pyx_t_3, Py_EQ)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 513, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":513
 *         try_flattened = ("System`Flat" in attributes) and (
 *             leaf.get_head_name()
 *             in (             # <<<<<<<<<<<<<<
 *                 system_symbols(
 *                     "Pattern",
 */
  __pyx_t_3 = __Pyx_PyBool_FromLong(__pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 513, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_8 = __pyx_t_3;
  __pyx_t_3 = 0;
  __pyx_L5_bool_binop_done:;
  __pyx_v_try_flattened = __pyx_t_8;
  __pyx_t_8 = 0;

  /* "mathics/core/pattern.py":530
 *         )
 * 
 *         if try_flattened:             # <<<<<<<<<<<<<<
 *             set_lengths = (match_count[0], None)
 *         else:
 */
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_try_flattened); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 530, __pyx_L1_error)
  if (__pyx_t_2) {

    /* "mathics/core/pattern.py":531
 * 
 *         if try_flattened:
 *             set_lengths = (match_count[0], None)             # <<<<<<<<<<<<<<
 *         else:
 *             set_lengths = match_count
 */
    __pyx_t_8 = __Pyx_GetItemInt(__pyx_v_match_count, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 531, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_8);
    __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 531, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_GIVEREF(__pyx_t_8);
    PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_8);
    __Pyx_INCREF(Py_None);
    __Pyx_GIVEREF(Py_None);
    PyTuple_SET_ITEM(__pyx_t_3, 1, Py_None);
    __pyx_t_8 = 0;
    __pyx_v_set_lengths = __pyx_t_3;
    __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":530
 *         )
 * 
 *         if try_flattened:             # <<<<<<<<<<<<<<
 *             set_lengths = (match_count[0], None)
 *         else:
 */
    goto __pyx_L7;
  }

  /* "mathics/core/pattern.py":533
 *             set_lengths = (match_count[0], None)
 *         else:
 *             set_lengths = match_count             # <<<<<<<<<<<<<<
 * 
 *         # try_flattened is used later to decide whether wrapping of leaves
 */
  /*else*/ {
    __Pyx_INCREF(__pyx_v_match_count);
    __pyx_v_set_lengths = __pyx_v_match_count;
  }
  __pyx_L7:;

  /* "mathics/core/pattern.py":538
 *         # into one operand may occur.
 *         # This can of course also be when flat and same head.
 *         try_flattened = try_flattened or (             # <<<<<<<<<<<<<<
 *             ("System`Flat" in attributes) and leaf.get_head() == expression.head
 *         )
 */
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_try_flattened); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 538, __pyx_L1_error)
  if (!__pyx_t_2) {
  } else {
    __Pyx_INCREF(__pyx_v_try_flattened);
    __pyx_t_3 = __pyx_v_try_flattened;
    goto __pyx_L8_bool_binop_done;
  }

  /* "mathics/core/pattern.py":539
 *         # This can of course also be when flat and same head.
 *         try_flattened = try_flattened or (
 *             ("System`Flat" in attributes) and leaf.get_head() == expression.head             # <<<<<<<<<<<<<<
 *         )
 * 
 */
  __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_kp_u_System_Flat, __pyx_cur_scope->__pyx_v_attributes, Py_EQ)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 539, __pyx_L1_error)
  if (__pyx_t_2) {
  } else {
    __pyx_t_8 = __Pyx_PyBool_FromLong(__pyx_t_2); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 539, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_8);
    __pyx_t_3 = __pyx_t_8;
    __pyx_t_8 = 0;
    goto __pyx_L8_bool_binop_done;
  }
  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_leaf, __pyx_n_s_get_head); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 539, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __pyx_t_5 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
    __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_4);
    if (likely(__pyx_t_5)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
      __Pyx_INCREF(__pyx_t_5);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_4, function);
    }
  }
  __pyx_t_8 = (__pyx_t_5) ? __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_5) : __Pyx_PyObject_CallNoArg(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
  if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 539, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_8);
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_head); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 539, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __pyx_t_5 = PyObject_RichCompare(__pyx_t_8, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 539, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_INCREF(__pyx_t_5);
  __pyx_t_3 = __pyx_t_5;
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  __pyx_L8_bool_binop_done:;
  __Pyx_DECREF_SET(__pyx_v_try_flattened, __pyx_t_3);
  __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":542
 *         )
 * 
 *         less_first = len(rest_leaves) > 0             # <<<<<<<<<<<<<<
 * 
 *         if "System`Orderless" in attributes:
 */
  __pyx_t_3 = __pyx_cur_scope->__pyx_v_rest_leaves;
  __Pyx_INCREF(__pyx_t_3);
  __pyx_t_9 = PyObject_Length(__pyx_t_3); if (unlikely(__pyx_t_9 == ((Py_ssize_t)-1))) __PYX_ERR(0, 542, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_3 = __Pyx_PyBool_FromLong((__pyx_t_9 > 0)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 542, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_v_less_first = __pyx_t_3;
  __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":544
 *         less_first = len(rest_leaves) > 0
 * 
 *         if "System`Orderless" in attributes:             # <<<<<<<<<<<<<<
 *             # we only want leaf_candidates to be a set if we're orderless.
 *             # otherwise, constructing a set() is very slow for large lists.
 */
  __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_kp_u_System_Orderless, __pyx_cur_scope->__pyx_v_attributes, Py_EQ)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 544, __pyx_L1_error)
  __pyx_t_1 = (__pyx_t_2 != 0);
  if (__pyx_t_1) {

    /* "mathics/core/pattern.py":549
 *             # performance test case:
 *             # x = Range[100000]; Timing[Combinatorica`BinarySearch[x, 100]]
 *             leaf_candidates = set(leaf_candidates)  # for fast lookup             # <<<<<<<<<<<<<<
 * 
 *             sets = None
 */
    __pyx_t_3 = PySet_New(__pyx_v_leaf_candidates); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 549, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF_SET(__pyx_v_leaf_candidates, __pyx_t_3);
    __pyx_t_3 = 0;

    /* "mathics/core/pattern.py":551
 *             leaf_candidates = set(leaf_candidates)  # for fast lookup
 * 
 *             sets = None             # <<<<<<<<<<<<<<
 *             if leaf.get_head_name() == "System`Pattern":
 *                 varname = leaf.leaves[0].get_name()
 */
    __Pyx_INCREF(Py_None);
    __pyx_v_sets = Py_None;

    /* "mathics/core/pattern.py":552
 * 
 *             sets = None
 *             if leaf.get_head_name() == "System`Pattern":             # <<<<<<<<<<<<<<
 *                 varname = leaf.leaves[0].get_name()
 *                 existing = vars.get(varname, None)
 */
    __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_leaf, __pyx_n_s_get_head_name); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 552, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_t_4 = NULL;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
      __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_5);
      if (likely(__pyx_t_4)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
        __Pyx_INCREF(__pyx_t_4);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_5, function);
      }
    }
    __pyx_t_3 = (__pyx_t_4) ? __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_4) : __Pyx_PyObject_CallNoArg(__pyx_t_5);
    __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
    if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 552, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __pyx_t_1 = (__Pyx_PyUnicode_Equals(__pyx_t_3, __pyx_kp_u_System_Pattern, Py_EQ)); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 552, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    if (__pyx_t_1) {

      /* "mathics/core/pattern.py":553
 *             sets = None
 *             if leaf.get_head_name() == "System`Pattern":
 *                 varname = leaf.leaves[0].get_name()             # <<<<<<<<<<<<<<
 *                 existing = vars.get(varname, None)
 *                 if existing is not None:
 */
      __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_leaf, __pyx_n_s_leaves); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 553, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_5, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 553, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_get_name); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 553, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_4 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
        __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_5);
        if (likely(__pyx_t_4)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
          __Pyx_INCREF(__pyx_t_4);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_5, function);
        }
      }
      __pyx_t_3 = (__pyx_t_4) ? __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_4) : __Pyx_PyObject_CallNoArg(__pyx_t_5);
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 553, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __pyx_v_varname = __pyx_t_3;
      __pyx_t_3 = 0;

      /* "mathics/core/pattern.py":554
 *             if leaf.get_head_name() == "System`Pattern":
 *                 varname = leaf.leaves[0].get_name()
 *                 existing = vars.get(varname, None)             # <<<<<<<<<<<<<<
 *                 if existing is not None:
 *                     head = existing.get_head()
 */
      __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_vars, __pyx_n_s_get); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 554, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_4 = NULL;
      __pyx_t_7 = 0;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
        __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_5);
        if (likely(__pyx_t_4)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
          __Pyx_INCREF(__pyx_t_4);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_5, function);
          __pyx_t_7 = 1;
        }
      }
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_5)) {
        PyObject *__pyx_temp[3] = {__pyx_t_4, __pyx_v_varname, Py_None};
        __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-__pyx_t_7, 2+__pyx_t_7); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 554, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_GOTREF(__pyx_t_3);
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
        PyObject *__pyx_temp[3] = {__pyx_t_4, __pyx_v_varname, Py_None};
        __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-__pyx_t_7, 2+__pyx_t_7); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 554, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_GOTREF(__pyx_t_3);
      } else
      #endif
      {
        __pyx_t_8 = PyTuple_New(2+__pyx_t_7); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 554, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_8);
        if (__pyx_t_4) {
          __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_4); __pyx_t_4 = NULL;
        }
        __Pyx_INCREF(__pyx_v_varname);
        __Pyx_GIVEREF(__pyx_v_varname);
        PyTuple_SET_ITEM(__pyx_t_8, 0+__pyx_t_7, __pyx_v_varname);
        __Pyx_INCREF(Py_None);
        __Pyx_GIVEREF(Py_None);
        PyTuple_SET_ITEM(__pyx_t_8, 1+__pyx_t_7, Py_None);
        __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_8, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 554, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
      }
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __pyx_v_existing = __pyx_t_3;
      __pyx_t_3 = 0;

      /* "mathics/core/pattern.py":555
 *                 varname = leaf.leaves[0].get_name()
 *                 existing = vars.get(varname, None)
 *                 if existing is not None:             # <<<<<<<<<<<<<<
 *                     head = existing.get_head()
 *                     if head.get_name() == "System`Sequence" or (
 */
      __pyx_t_1 = (__pyx_v_existing != Py_None);
      __pyx_t_2 = (__pyx_t_1 != 0);
      if (__pyx_t_2) {

        /* "mathics/core/pattern.py":556
 *                 existing = vars.get(varname, None)
 *                 if existing is not None:
 *                     head = existing.get_head()             # <<<<<<<<<<<<<<
 *                     if head.get_name() == "System`Sequence" or (
 *                         "System`Flat" in attributes and head == expression.get_head()
 */
        __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_existing, __pyx_n_s_get_head); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 556, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __pyx_t_8 = NULL;
        if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
          __pyx_t_8 = PyMethod_GET_SELF(__pyx_t_5);
          if (likely(__pyx_t_8)) {
            PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
            __Pyx_INCREF(__pyx_t_8);
            __Pyx_INCREF(function);
            __Pyx_DECREF_SET(__pyx_t_5, function);
          }
        }
        __pyx_t_3 = (__pyx_t_8) ? __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_8) : __Pyx_PyObject_CallNoArg(__pyx_t_5);
        __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
        if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 556, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
        __pyx_v_head = __pyx_t_3;
        __pyx_t_3 = 0;

        /* "mathics/core/pattern.py":557
 *                 if existing is not None:
 *                     head = existing.get_head()
 *                     if head.get_name() == "System`Sequence" or (             # <<<<<<<<<<<<<<
 *                         "System`Flat" in attributes and head == expression.get_head()
 *                     ):
 */
        __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_head, __pyx_n_s_get_name); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 557, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __pyx_t_8 = NULL;
        if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
          __pyx_t_8 = PyMethod_GET_SELF(__pyx_t_5);
          if (likely(__pyx_t_8)) {
            PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
            __Pyx_INCREF(__pyx_t_8);
            __Pyx_INCREF(function);
            __Pyx_DECREF_SET(__pyx_t_5, function);
          }
        }
        __pyx_t_3 = (__pyx_t_8) ? __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_8) : __Pyx_PyObject_CallNoArg(__pyx_t_5);
        __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
        if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 557, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
        __pyx_t_1 = (__Pyx_PyUnicode_Equals(__pyx_t_3, __pyx_kp_u_System_Sequence, Py_EQ)); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 557, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        if (!__pyx_t_1) {
        } else {
          __pyx_t_2 = __pyx_t_1;
          goto __pyx_L15_bool_binop_done;
        }

        /* "mathics/core/pattern.py":558
 *                     head = existing.get_head()
 *                     if head.get_name() == "System`Sequence" or (
 *                         "System`Flat" in attributes and head == expression.get_head()             # <<<<<<<<<<<<<<
 *                     ):
 *                         needed = existing.leaves
 */
        __pyx_t_1 = (__Pyx_PySequence_ContainsTF(__pyx_kp_u_System_Flat, __pyx_cur_scope->__pyx_v_attributes, Py_EQ)); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 558, __pyx_L1_error)
        __pyx_t_10 = (__pyx_t_1 != 0);
        if (__pyx_t_10) {
        } else {
          __pyx_t_2 = __pyx_t_10;
          goto __pyx_L15_bool_binop_done;
        }
        __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_get_head); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 558, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __pyx_t_8 = NULL;
        if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
          __pyx_t_8 = PyMethod_GET_SELF(__pyx_t_5);
          if (likely(__pyx_t_8)) {
            PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
            __Pyx_INCREF(__pyx_t_8);
            __Pyx_INCREF(function);
            __Pyx_DECREF_SET(__pyx_t_5, function);
          }
        }
        __pyx_t_3 = (__pyx_t_8) ? __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_8) : __Pyx_PyObject_CallNoArg(__pyx_t_5);
        __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
        if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 558, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
        __pyx_t_5 = PyObject_RichCompare(__pyx_v_head, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 558, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        __pyx_t_10 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_10 < 0)) __PYX_ERR(0, 558, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
        __pyx_t_2 = __pyx_t_10;
        __pyx_L15_bool_binop_done:;

        /* "mathics/core/pattern.py":557
 *                 if existing is not None:
 *                     head = existing.get_head()
 *                     if head.get_name() == "System`Sequence" or (             # <<<<<<<<<<<<<<
 *                         "System`Flat" in attributes and head == expression.get_head()
 *                     ):
 */
        if (__pyx_t_2) {

          /* "mathics/core/pattern.py":560
 *                         "System`Flat" in attributes and head == expression.get_head()
 *                     ):
 *                         needed = existing.leaves             # <<<<<<<<<<<<<<
 *                     else:
 *                         needed = [existing]
 */
          __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_existing, __pyx_n_s_leaves); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 560, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_5);
          __pyx_v_needed = __pyx_t_5;
          __pyx_t_5 = 0;

          /* "mathics/core/pattern.py":557
 *                 if existing is not None:
 *                     head = existing.get_head()
 *                     if head.get_name() == "System`Sequence" or (             # <<<<<<<<<<<<<<
 *                         "System`Flat" in attributes and head == expression.get_head()
 *                     ):
 */
          goto __pyx_L14;
        }

        /* "mathics/core/pattern.py":562
 *                         needed = existing.leaves
 *                     else:
 *                         needed = [existing]             # <<<<<<<<<<<<<<
 *                     available = candidates[:]
 *                     for needed_leaf in needed:
 */
        /*else*/ {
          __pyx_t_5 = PyList_New(1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 562, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_5);
          __Pyx_INCREF(__pyx_v_existing);
          __Pyx_GIVEREF(__pyx_v_existing);
          PyList_SET_ITEM(__pyx_t_5, 0, __pyx_v_existing);
          __pyx_v_needed = __pyx_t_5;
          __pyx_t_5 = 0;
        }
        __pyx_L14:;

        /* "mathics/core/pattern.py":563
 *                     else:
 *                         needed = [existing]
 *                     available = candidates[:]             # <<<<<<<<<<<<<<
 *                     for needed_leaf in needed:
 *                         if (
 */
        __pyx_t_5 = __Pyx_PyObject_GetSlice(__pyx_v_candidates, 0, 0, NULL, NULL, &__pyx_slice__21, 0, 0, 1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 563, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __pyx_v_available = __pyx_t_5;
        __pyx_t_5 = 0;

        /* "mathics/core/pattern.py":564
 *                         needed = [existing]
 *                     available = candidates[:]
 *                     for needed_leaf in needed:             # <<<<<<<<<<<<<<
 *                         if (
 *                             needed_leaf in available
 */
        if (likely(PyList_CheckExact(__pyx_v_needed)) || PyTuple_CheckExact(__pyx_v_needed)) {
          __pyx_t_5 = __pyx_v_needed; __Pyx_INCREF(__pyx_t_5); __pyx_t_9 = 0;
          __pyx_t_11 = NULL;
        } else {
          __pyx_t_9 = -1; __pyx_t_5 = PyObject_GetIter(__pyx_v_needed); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 564, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_5);
          __pyx_t_11 = Py_TYPE(__pyx_t_5)->tp_iternext; if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 564, __pyx_L1_error)
        }
        for (;;) {
          if (likely(!__pyx_t_11)) {
            if (likely(PyList_CheckExact(__pyx_t_5))) {
              if (__pyx_t_9 >= PyList_GET_SIZE(__pyx_t_5)) break;
              #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
              __pyx_t_3 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_9); __Pyx_INCREF(__pyx_t_3); __pyx_t_9++; if (unlikely(0 < 0)) __PYX_ERR(0, 564, __pyx_L1_error)
              #else
              __pyx_t_3 = PySequence_ITEM(__pyx_t_5, __pyx_t_9); __pyx_t_9++; if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 564, __pyx_L1_error)
              __Pyx_GOTREF(__pyx_t_3);
              #endif
            } else {
              if (__pyx_t_9 >= PyTuple_GET_SIZE(__pyx_t_5)) break;
              #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
              __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_5, __pyx_t_9); __Pyx_INCREF(__pyx_t_3); __pyx_t_9++; if (unlikely(0 < 0)) __PYX_ERR(0, 564, __pyx_L1_error)
              #else
              __pyx_t_3 = PySequence_ITEM(__pyx_t_5, __pyx_t_9); __pyx_t_9++; if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 564, __pyx_L1_error)
              __Pyx_GOTREF(__pyx_t_3);
              #endif
            }
          } else {
            __pyx_t_3 = __pyx_t_11(__pyx_t_5);
            if (unlikely(!__pyx_t_3)) {
              PyObject* exc_type = PyErr_Occurred();
              if (exc_type) {
                if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
                else __PYX_ERR(0, 564, __pyx_L1_error)
              }
              break;
            }
            __Pyx_GOTREF(__pyx_t_3);
          }
          __Pyx_XDECREF_SET(__pyx_v_needed_leaf, __pyx_t_3);
          __pyx_t_3 = 0;

          /* "mathics/core/pattern.py":566
 *                     for needed_leaf in needed:
 *                         if (
 *                             needed_leaf in available             # <<<<<<<<<<<<<<
 *                             and needed_leaf in leaf_candidates  # nopep8
 *                         ):
 */
          __pyx_t_10 = (__Pyx_PySequence_ContainsTF(__pyx_v_needed_leaf, __pyx_v_available, Py_EQ)); if (unlikely(__pyx_t_10 < 0)) __PYX_ERR(0, 566, __pyx_L1_error)
          __pyx_t_1 = (__pyx_t_10 != 0);
          if (__pyx_t_1) {
          } else {
            __pyx_t_2 = __pyx_t_1;
            goto __pyx_L21_bool_binop_done;
          }

          /* "mathics/core/pattern.py":567
 *                         if (
 *                             needed_leaf in available
 *                             and needed_leaf in leaf_candidates  # nopep8             # <<<<<<<<<<<<<<
 *                         ):
 *                             available.remove(needed_leaf)
 */
          __pyx_t_1 = (__Pyx_PySequence_ContainsTF(__pyx_v_needed_leaf, __pyx_v_leaf_candidates, Py_EQ)); if (unlikely(__pyx_t_1 < 0)) __PYX_ERR(0, 567, __pyx_L1_error)
          __pyx_t_10 = (__pyx_t_1 != 0);
          __pyx_t_2 = __pyx_t_10;
          __pyx_L21_bool_binop_done:;

          /* "mathics/core/pattern.py":565
 *                     available = candidates[:]
 *                     for needed_leaf in needed:
 *                         if (             # <<<<<<<<<<<<<<
 *                             needed_leaf in available
 *                             and needed_leaf in leaf_candidates  # nopep8
 */
          if (__pyx_t_2) {

            /* "mathics/core/pattern.py":569
 *                             and needed_leaf in leaf_candidates  # nopep8
 *                         ):
 *                             available.remove(needed_leaf)             # <<<<<<<<<<<<<<
 *                         else:
 *                             return
 */
            __pyx_t_8 = __Pyx_PyObject_GetAttrStr(__pyx_v_available, __pyx_n_s_remove); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 569, __pyx_L1_error)
            __Pyx_GOTREF(__pyx_t_8);
            __pyx_t_4 = NULL;
            if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_8))) {
              __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_8);
              if (likely(__pyx_t_4)) {
                PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_8);
                __Pyx_INCREF(__pyx_t_4);
                __Pyx_INCREF(function);
                __Pyx_DECREF_SET(__pyx_t_8, function);
              }
            }
            __pyx_t_3 = (__pyx_t_4) ? __Pyx_PyObject_Call2Args(__pyx_t_8, __pyx_t_4, __pyx_v_needed_leaf) : __Pyx_PyObject_CallOneArg(__pyx_t_8, __pyx_v_needed_leaf);
            __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
            if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 569, __pyx_L1_error)
            __Pyx_GOTREF(__pyx_t_3);
            __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
            __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

            /* "mathics/core/pattern.py":565
 *                     available = candidates[:]
 *                     for needed_leaf in needed:
 *                         if (             # <<<<<<<<<<<<<<
 *                             needed_leaf in available
 *                             and needed_leaf in leaf_candidates  # nopep8
 */
            goto __pyx_L20;
          }

          /* "mathics/core/pattern.py":571
 *                             available.remove(needed_leaf)
 *                         else:
 *                             return             # <<<<<<<<<<<<<<
 *                     sets = [(needed, ([], available))]
 * 
 */
          /*else*/ {
            __Pyx_XDECREF(__pyx_r);
            __pyx_r = Py_None; __Pyx_INCREF(Py_None);
            __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
            goto __pyx_L0;
          }
          __pyx_L20:;

          /* "mathics/core/pattern.py":564
 *                         needed = [existing]
 *                     available = candidates[:]
 *                     for needed_leaf in needed:             # <<<<<<<<<<<<<<
 *                         if (
 *                             needed_leaf in available
 */
        }
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

        /* "mathics/core/pattern.py":572
 *                         else:
 *                             return
 *                     sets = [(needed, ([], available))]             # <<<<<<<<<<<<<<
 * 
 *             if sets is None:
 */
        __pyx_t_5 = PyList_New(0); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 572, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 572, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_GIVEREF(__pyx_t_5);
        PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_5);
        __Pyx_INCREF(__pyx_v_available);
        __Pyx_GIVEREF(__pyx_v_available);
        PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_v_available);
        __pyx_t_5 = 0;
        __pyx_t_5 = PyTuple_New(2); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 572, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __Pyx_INCREF(__pyx_v_needed);
        __Pyx_GIVEREF(__pyx_v_needed);
        PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_v_needed);
        __Pyx_GIVEREF(__pyx_t_3);
        PyTuple_SET_ITEM(__pyx_t_5, 1, __pyx_t_3);
        __pyx_t_3 = 0;
        __pyx_t_3 = PyList_New(1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 572, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_GIVEREF(__pyx_t_5);
        PyList_SET_ITEM(__pyx_t_3, 0, __pyx_t_5);
        __pyx_t_5 = 0;
        __Pyx_DECREF_SET(__pyx_v_sets, __pyx_t_3);
        __pyx_t_3 = 0;

        /* "mathics/core/pattern.py":555
 *                 varname = leaf.leaves[0].get_name()
 *                 existing = vars.get(varname, None)
 *                 if existing is not None:             # <<<<<<<<<<<<<<
 *                     head = existing.get_head()
 *                     if head.get_name() == "System`Sequence" or (
 */
      }

      /* "mathics/core/pattern.py":552
 * 
 *             sets = None
 *             if leaf.get_head_name() == "System`Pattern":             # <<<<<<<<<<<<<<
 *                 varname = leaf.leaves[0].get_name()
 *                 existing = vars.get(varname, None)
 */
    }

    /* "mathics/core/pattern.py":574
 *                     sets = [(needed, ([], available))]
 * 
 *             if sets is None:             # <<<<<<<<<<<<<<
 *                 sets = subsets(
 *                     candidates,
 */
    __pyx_t_2 = (__pyx_v_sets == Py_None);
    __pyx_t_10 = (__pyx_t_2 != 0);
    if (__pyx_t_10) {

      /* "mathics/core/pattern.py":575
 * 
 *             if sets is None:
 *                 sets = subsets(             # <<<<<<<<<<<<<<
 *                     candidates,
 *                     included=leaf_candidates,
 */
      __Pyx_GetModuleGlobalName(__pyx_t_3, __pyx_n_s_subsets); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 575, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);

      /* "mathics/core/pattern.py":576
 *             if sets is None:
 *                 sets = subsets(
 *                     candidates,             # <<<<<<<<<<<<<<
 *                     included=leaf_candidates,
 *                     less_first=less_first,
 */
      __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 575, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_INCREF(__pyx_v_candidates);
      __Pyx_GIVEREF(__pyx_v_candidates);
      PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_v_candidates);

      /* "mathics/core/pattern.py":575
 * 
 *             if sets is None:
 *                 sets = subsets(             # <<<<<<<<<<<<<<
 *                     candidates,
 *                     included=leaf_candidates,
 */
      __pyx_t_8 = __Pyx_PySequence_Tuple(__pyx_v_set_lengths); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 575, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_8);
      __pyx_t_4 = PyNumber_Add(__pyx_t_5, __pyx_t_8); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 575, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;

      /* "mathics/core/pattern.py":577
 *                 sets = subsets(
 *                     candidates,
 *                     included=leaf_candidates,             # <<<<<<<<<<<<<<
 *                     less_first=less_first,
 *                     *set_lengths
 */
      __pyx_t_8 = __Pyx_PyDict_NewPresized(2); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 577, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_8);
      if (PyDict_SetItem(__pyx_t_8, __pyx_n_s_included, __pyx_v_leaf_candidates) < 0) __PYX_ERR(0, 577, __pyx_L1_error)

      /* "mathics/core/pattern.py":578
 *                     candidates,
 *                     included=leaf_candidates,
 *                     less_first=less_first,             # <<<<<<<<<<<<<<
 *                     *set_lengths
 *                 )
 */
      if (PyDict_SetItem(__pyx_t_8, __pyx_n_s_less_first, __pyx_v_less_first) < 0) __PYX_ERR(0, 577, __pyx_L1_error)

      /* "mathics/core/pattern.py":575
 * 
 *             if sets is None:
 *                 sets = subsets(             # <<<<<<<<<<<<<<
 *                     candidates,
 *                     included=leaf_candidates,
 */
      __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_4, __pyx_t_8); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 575, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
      __Pyx_DECREF_SET(__pyx_v_sets, __pyx_t_5);
      __pyx_t_5 = 0;

      /* "mathics/core/pattern.py":574
 *                     sets = [(needed, ([], available))]
 * 
 *             if sets is None:             # <<<<<<<<<<<<<<
 *                 sets = subsets(
 *                     candidates,
 */
    }

    /* "mathics/core/pattern.py":544
 *         less_first = len(rest_leaves) > 0
 * 
 *         if "System`Orderless" in attributes:             # <<<<<<<<<<<<<<
 *             # we only want leaf_candidates to be a set if we're orderless.
 *             # otherwise, constructing a set() is very slow for large lists.
 */
    goto __pyx_L11;
  }

  /* "mathics/core/pattern.py":582
 *                 )
 *         else:
 *             sets = subranges(             # <<<<<<<<<<<<<<
 *                 candidates,
 *                 flexible_start=first and not fully,
 */
  /*else*/ {
    __Pyx_GetModuleGlobalName(__pyx_t_5, __pyx_n_s_subranges); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 582, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);

    /* "mathics/core/pattern.py":583
 *         else:
 *             sets = subranges(
 *                 candidates,             # <<<<<<<<<<<<<<
 *                 flexible_start=first and not fully,
 *                 included=leaf_candidates,
 */
    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 582, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_8);
    __Pyx_INCREF(__pyx_v_candidates);
    __Pyx_GIVEREF(__pyx_v_candidates);
    PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_v_candidates);

    /* "mathics/core/pattern.py":582
 *                 )
 *         else:
 *             sets = subranges(             # <<<<<<<<<<<<<<
 *                 candidates,
 *                 flexible_start=first and not fully,
 */
    __pyx_t_4 = __Pyx_PySequence_Tuple(__pyx_v_set_lengths); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 582, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_3 = PyNumber_Add(__pyx_t_8, __pyx_t_4); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 582, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":584
 *             sets = subranges(
 *                 candidates,
 *                 flexible_start=first and not fully,             # <<<<<<<<<<<<<<
 *                 included=leaf_candidates,
 *                 less_first=less_first,
 */
    __pyx_t_4 = __Pyx_PyDict_NewPresized(3); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 584, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_10 = __Pyx_PyObject_IsTrue(__pyx_v_first); if (unlikely(__pyx_t_10 < 0)) __PYX_ERR(0, 584, __pyx_L1_error)
    if (__pyx_t_10) {
    } else {
      __Pyx_INCREF(__pyx_v_first);
      __pyx_t_8 = __pyx_v_first;
      goto __pyx_L24_bool_binop_done;
    }
    __pyx_t_10 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_fully); if (unlikely(__pyx_t_10 < 0)) __PYX_ERR(0, 584, __pyx_L1_error)
    __pyx_t_2 = (!__pyx_t_10);
    __pyx_t_6 = __Pyx_PyBool_FromLong(__pyx_t_2); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 584, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_6);
    __pyx_t_8 = __pyx_t_6;
    __pyx_t_6 = 0;
    __pyx_L24_bool_binop_done:;
    if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_flexible_start, __pyx_t_8) < 0) __PYX_ERR(0, 584, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;

    /* "mathics/core/pattern.py":585
 *                 candidates,
 *                 flexible_start=first and not fully,
 *                 included=leaf_candidates,             # <<<<<<<<<<<<<<
 *                 less_first=less_first,
 *                 *set_lengths
 */
    if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_included, __pyx_v_leaf_candidates) < 0) __PYX_ERR(0, 584, __pyx_L1_error)

    /* "mathics/core/pattern.py":586
 *                 flexible_start=first and not fully,
 *                 included=leaf_candidates,
 *                 less_first=less_first,             # <<<<<<<<<<<<<<
 *                 *set_lengths
 *             )
 */
    if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_less_first, __pyx_v_less_first) < 0) __PYX_ERR(0, 584, __pyx_L1_error)

    /* "mathics/core/pattern.py":582
 *                 )
 *         else:
 *             sets = subranges(             # <<<<<<<<<<<<<<
 *                 candidates,
 *                 flexible_start=first and not fully,
 */
    __pyx_t_8 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 582, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_8);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_v_sets = __pyx_t_8;
    __pyx_t_8 = 0;
  }
  __pyx_L11:;

  /* "mathics/core/pattern.py":590
 *             )
 * 
 *         if rest_leaves:             # <<<<<<<<<<<<<<
 *             next_leaf = rest_leaves[0]
 *             next_rest_leaves = rest_leaves[1:]
 */
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_rest_leaves); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 590, __pyx_L1_error)
  if (__pyx_t_2) {

    /* "mathics/core/pattern.py":591
 * 
 *         if rest_leaves:
 *             next_leaf = rest_leaves[0]             # <<<<<<<<<<<<<<
 *             next_rest_leaves = rest_leaves[1:]
 *         next_depth = depth + 1
 */
    __pyx_t_8 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_rest_leaves, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 591, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_8);
    __Pyx_GIVEREF(__pyx_t_8);
    __pyx_cur_scope->__pyx_v_next_leaf = __pyx_t_8;
    __pyx_t_8 = 0;

    /* "mathics/core/pattern.py":592
 *         if rest_leaves:
 *             next_leaf = rest_leaves[0]
 *             next_rest_leaves = rest_leaves[1:]             # <<<<<<<<<<<<<<
 *         next_depth = depth + 1
 *         next_index = leaf_index + 1
 */
    __pyx_t_8 = __Pyx_PyObject_GetSlice(__pyx_cur_scope->__pyx_v_rest_leaves, 1, 0, NULL, NULL, &__pyx_slice__4, 1, 0, 1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 592, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_8);
    __Pyx_GIVEREF(__pyx_t_8);
    __pyx_cur_scope->__pyx_v_next_rest_leaves = __pyx_t_8;
    __pyx_t_8 = 0;

    /* "mathics/core/pattern.py":590
 *             )
 * 
 *         if rest_leaves:             # <<<<<<<<<<<<<<
 *             next_leaf = rest_leaves[0]
 *             next_rest_leaves = rest_leaves[1:]
 */
  }

  /* "mathics/core/pattern.py":593
 *             next_leaf = rest_leaves[0]
 *             next_rest_leaves = rest_leaves[1:]
 *         next_depth = depth + 1             # <<<<<<<<<<<<<<
 *         next_index = leaf_index + 1
 * 
 */
  __pyx_t_8 = __Pyx_PyInt_AddObjC(__pyx_v_depth, __pyx_int_1, 1, 0, 0); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 593, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_8);
  __Pyx_GIVEREF(__pyx_t_8);
  __pyx_cur_scope->__pyx_v_next_depth = __pyx_t_8;
  __pyx_t_8 = 0;

  /* "mathics/core/pattern.py":594
 *             next_rest_leaves = rest_leaves[1:]
 *         next_depth = depth + 1
 *         next_index = leaf_index + 1             # <<<<<<<<<<<<<<
 * 
 *         for items, items_rest in sets:
 */
  __pyx_t_8 = __Pyx_PyInt_AddObjC(__pyx_cur_scope->__pyx_v_leaf_index, __pyx_int_1, 1, 0, 0); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 594, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_8);
  __Pyx_GIVEREF(__pyx_t_8);
  __pyx_cur_scope->__pyx_v_next_index = __pyx_t_8;
  __pyx_t_8 = 0;

  /* "mathics/core/pattern.py":596
 *         next_index = leaf_index + 1
 * 
 *         for items, items_rest in sets:             # <<<<<<<<<<<<<<
 *             # Include wrappings like Plus[a, b] only if not all items taken
 *             # - in that case we would match the same expression over and over.
 */
  if (likely(PyList_CheckExact(__pyx_v_sets)) || PyTuple_CheckExact(__pyx_v_sets)) {
    __pyx_t_8 = __pyx_v_sets; __Pyx_INCREF(__pyx_t_8); __pyx_t_9 = 0;
    __pyx_t_11 = NULL;
  } else {
    __pyx_t_9 = -1; __pyx_t_8 = PyObject_GetIter(__pyx_v_sets); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 596, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_8);
    __pyx_t_11 = Py_TYPE(__pyx_t_8)->tp_iternext; if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 596, __pyx_L1_error)
  }
  for (;;) {
    if (likely(!__pyx_t_11)) {
      if (likely(PyList_CheckExact(__pyx_t_8))) {
        if (__pyx_t_9 >= PyList_GET_SIZE(__pyx_t_8)) break;
        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
        __pyx_t_4 = PyList_GET_ITEM(__pyx_t_8, __pyx_t_9); __Pyx_INCREF(__pyx_t_4); __pyx_t_9++; if (unlikely(0 < 0)) __PYX_ERR(0, 596, __pyx_L1_error)
        #else
        __pyx_t_4 = PySequence_ITEM(__pyx_t_8, __pyx_t_9); __pyx_t_9++; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 596, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        #endif
      } else {
        if (__pyx_t_9 >= PyTuple_GET_SIZE(__pyx_t_8)) break;
        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
        __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_8, __pyx_t_9); __Pyx_INCREF(__pyx_t_4); __pyx_t_9++; if (unlikely(0 < 0)) __PYX_ERR(0, 596, __pyx_L1_error)
        #else
        __pyx_t_4 = PySequence_ITEM(__pyx_t_8, __pyx_t_9); __pyx_t_9++; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 596, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        #endif
      }
    } else {
      __pyx_t_4 = __pyx_t_11(__pyx_t_8);
      if (unlikely(!__pyx_t_4)) {
        PyObject* exc_type = PyErr_Occurred();
        if (exc_type) {
          if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
          else __PYX_ERR(0, 596, __pyx_L1_error)
        }
        break;
      }
      __Pyx_GOTREF(__pyx_t_4);
    }
    if ((likely(PyTuple_CheckExact(__pyx_t_4))) || (PyList_CheckExact(__pyx_t_4))) {
      PyObject* sequence = __pyx_t_4;
      Py_ssize_t size = __Pyx_PySequence_SIZE(sequence);
      if (unlikely(size != 2)) {
        if (size > 2) __Pyx_RaiseTooManyValuesError(2);
        else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
        __PYX_ERR(0, 596, __pyx_L1_error)
      }
      #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
      if (likely(PyTuple_CheckExact(sequence))) {
        __pyx_t_3 = PyTuple_GET_ITEM(sequence, 0); 
        __pyx_t_5 = PyTuple_GET_ITEM(sequence, 1); 
      } else {
        __pyx_t_3 = PyList_GET_ITEM(sequence, 0); 
        __pyx_t_5 = PyList_GET_ITEM(sequence, 1); 
      }
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_5);
      #else
      __pyx_t_3 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 596, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_5 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 596, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      #endif
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    } else {
      Py_ssize_t index = -1;
      __pyx_t_6 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 596, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_12 = Py_TYPE(__pyx_t_6)->tp_iternext;
      index = 0; __pyx_t_3 = __pyx_t_12(__pyx_t_6); if (unlikely(!__pyx_t_3)) goto __pyx_L29_unpacking_failed;
      __Pyx_GOTREF(__pyx_t_3);
      index = 1; __pyx_t_5 = __pyx_t_12(__pyx_t_6); if (unlikely(!__pyx_t_5)) goto __pyx_L29_unpacking_failed;
      __Pyx_GOTREF(__pyx_t_5);
      if (__Pyx_IternextUnpackEndCheck(__pyx_t_12(__pyx_t_6), 2) < 0) __PYX_ERR(0, 596, __pyx_L1_error)
      __pyx_t_12 = NULL;
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      goto __pyx_L30_unpacking_done;
      __pyx_L29_unpacking_failed:;
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __pyx_t_12 = NULL;
      if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
      __PYX_ERR(0, 596, __pyx_L1_error)
      __pyx_L30_unpacking_done:;
    }
    __Pyx_XDECREF_SET(__pyx_v_items, __pyx_t_3);
    __pyx_t_3 = 0;
    __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_items_rest);
    __Pyx_XDECREF_SET(__pyx_cur_scope->__pyx_v_items_rest, __pyx_t_5);
    __Pyx_GIVEREF(__pyx_t_5);
    __pyx_t_5 = 0;

    /* "mathics/core/pattern.py":600
 *             # - in that case we would match the same expression over and over.
 * 
 *             include_flattened = try_flattened and 0 < len(items) < len(             # <<<<<<<<<<<<<<
 *                 expression.leaves
 *             )
 */
    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_try_flattened); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 600, __pyx_L1_error)
    if (__pyx_t_2) {
    } else {
      __Pyx_INCREF(__pyx_v_try_flattened);
      __pyx_t_4 = __pyx_v_try_flattened;
      goto __pyx_L31_bool_binop_done;
    }
    __pyx_t_13 = PyObject_Length(__pyx_v_items); if (unlikely(__pyx_t_13 == ((Py_ssize_t)-1))) __PYX_ERR(0, 600, __pyx_L1_error)
    __pyx_t_2 = (0 < __pyx_t_13);
    if (__pyx_t_2) {

      /* "mathics/core/pattern.py":601
 * 
 *             include_flattened = try_flattened and 0 < len(items) < len(
 *                 expression.leaves             # <<<<<<<<<<<<<<
 *             )
 * 
 */
      __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_expression, __pyx_n_s_leaves); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 601, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);

      /* "mathics/core/pattern.py":600
 *             # - in that case we would match the same expression over and over.
 * 
 *             include_flattened = try_flattened and 0 < len(items) < len(             # <<<<<<<<<<<<<<
 *                 expression.leaves
 *             )
 */
      __pyx_t_14 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_14 == ((Py_ssize_t)-1))) __PYX_ERR(0, 600, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __pyx_t_2 = (__pyx_t_13 < __pyx_t_14);
    }
    __pyx_t_5 = __Pyx_PyBool_FromLong(__pyx_t_2); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 600, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_t_4 = __pyx_t_5;
    __pyx_t_5 = 0;
    __pyx_L31_bool_binop_done:;
    __Pyx_XDECREF_SET(__pyx_v_include_flattened, __pyx_t_4);
    __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":606
 *             # Don't try flattened when the expression would remain the same!
 * 
 *             def leaf_yield(next_vars, next_rest):             # <<<<<<<<<<<<<<
 *                 # if next_rest is None:
 *                 #    next_rest = ([], [])
 */
    __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_1leaf_yield, 0, __pyx_n_s_ExpressionPattern_match_leaf_loc, ((PyObject*)__pyx_cur_scope), __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__23)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 606, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_leaf_yield);
    __Pyx_XDECREF_SET(__pyx_cur_scope->__pyx_v_leaf_yield, __pyx_t_4);
    __Pyx_GIVEREF(__pyx_t_4);
    __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":621
 *                     )
 * 
 *             def match_yield(new_vars, _):             # <<<<<<<<<<<<<<
 *                 if rest_leaves:
 *                     self.match_leaf(
 */
    __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_3match_yield, 0, __pyx_n_s_ExpressionPattern_match_leaf_loc_2, ((PyObject*)__pyx_cur_scope), __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__25)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 621, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_match_yield);
    __Pyx_XDECREF_SET(__pyx_cur_scope->__pyx_v_match_yield, __pyx_t_4);
    __Pyx_GIVEREF(__pyx_t_4);
    __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":642
 *                         yield_func(new_vars, items_rest)
 * 
 *             def yield_wrapping(item):             # <<<<<<<<<<<<<<
 *                 leaf.match(
 *                     match_yield,
 */
    __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_10match_leaf_5yield_wrapping, 0, __pyx_n_s_ExpressionPattern_match_leaf_loc_3, ((PyObject*)__pyx_cur_scope), __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__27)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 642, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_XDECREF_SET(__pyx_v_yield_wrapping, __pyx_t_4);
    __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":655
 *                 )
 * 
 *             self.get_wrappings(             # <<<<<<<<<<<<<<
 *                 yield_wrapping,
 *                 items,
 */
    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_cur_scope->__pyx_v_self, __pyx_n_s_get_wrappings); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 655, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);

    /* "mathics/core/pattern.py":658
 *                 yield_wrapping,
 *                 items,
 *                 match_count[1],             # <<<<<<<<<<<<<<
 *                 expression,
 *                 attributes,
 */
    __pyx_t_5 = __Pyx_GetItemInt(__pyx_v_match_count, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 658, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);

    /* "mathics/core/pattern.py":655
 *                 )
 * 
 *             self.get_wrappings(             # <<<<<<<<<<<<<<
 *                 yield_wrapping,
 *                 items,
 */
    __pyx_t_3 = PyTuple_New(5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 655, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_INCREF(__pyx_v_yield_wrapping);
    __Pyx_GIVEREF(__pyx_v_yield_wrapping);
    PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_v_yield_wrapping);
    __Pyx_INCREF(__pyx_v_items);
    __Pyx_GIVEREF(__pyx_v_items);
    PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_v_items);
    __Pyx_GIVEREF(__pyx_t_5);
    PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_t_5);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_expression);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_expression);
    PyTuple_SET_ITEM(__pyx_t_3, 3, __pyx_cur_scope->__pyx_v_expression);
    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_attributes);
    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_attributes);
    PyTuple_SET_ITEM(__pyx_t_3, 4, __pyx_cur_scope->__pyx_v_attributes);
    __pyx_t_5 = 0;

    /* "mathics/core/pattern.py":661
 *                 expression,
 *                 attributes,
 *                 include_flattened=include_flattened,             # <<<<<<<<<<<<<<
 *             )
 * 
 */
    __pyx_t_5 = __Pyx_PyDict_NewPresized(1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 661, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    if (PyDict_SetItem(__pyx_t_5, __pyx_n_s_include_flattened, __pyx_v_include_flattened) < 0) __PYX_ERR(0, 661, __pyx_L1_error)

    /* "mathics/core/pattern.py":655
 *                 )
 * 
 *             self.get_wrappings(             # <<<<<<<<<<<<<<
 *                 yield_wrapping,
 *                 items,
 */
    __pyx_t_6 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_3, __pyx_t_5); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 655, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_6);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;

    /* "mathics/core/pattern.py":596
 *         next_index = leaf_index + 1
 * 
 *         for items, items_rest in sets:             # <<<<<<<<<<<<<<
 *             # Include wrappings like Plus[a, b] only if not all items taken
 *             # - in that case we would match the same expression over and over.
 */
  }
  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;

  /* "mathics/core/pattern.py":471
 *                 yield_func(Expression(expression.get_head(), *items))
 * 
 *     def match_leaf(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.match_leaf", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_match_count);
  __Pyx_XDECREF(__pyx_v_leaf_candidates);
  __Pyx_XDECREF(__pyx_v_candidates);
  __Pyx_XDECREF(__pyx_v_try_flattened);
  __Pyx_XDECREF(__pyx_v_set_lengths);
  __Pyx_XDECREF(__pyx_v_less_first);
  __Pyx_XDECREF(__pyx_v_sets);
  __Pyx_XDECREF(__pyx_v_varname);
  __Pyx_XDECREF(__pyx_v_existing);
  __Pyx_XDECREF(__pyx_v_head);
  __Pyx_XDECREF(__pyx_v_needed);
  __Pyx_XDECREF(__pyx_v_available);
  __Pyx_XDECREF(__pyx_v_needed_leaf);
  __Pyx_XDECREF(__pyx_v_items);
  __Pyx_XDECREF(__pyx_v_include_flattened);
  __Pyx_XDECREF(__pyx_v_yield_wrapping);
  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":664
 *             )
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         """
 *         Finds possible leaves that could match the pattern, ignoring future
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_12__defaults__(CYTHON_UNUSED PyObject *__pyx_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__defaults__", 0);
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 664, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__Pyx_CyFunction_Defaults(__pyx_defaults5, __pyx_self)->__pyx_arg_vars);
  __Pyx_GIVEREF(__Pyx_CyFunction_Defaults(__pyx_defaults5, __pyx_self)->__pyx_arg_vars);
  PyTuple_SET_ITEM(__pyx_t_1, 0, __Pyx_CyFunction_Defaults(__pyx_defaults5, __pyx_self)->__pyx_arg_vars);
  __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 664, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
  __Pyx_INCREF(Py_None);
  __Pyx_GIVEREF(Py_None);
  PyTuple_SET_ITEM(__pyx_t_2, 1, Py_None);
  __pyx_t_1 = 0;
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("mathics.core.pattern.__defaults__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_17get_match_candidates(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_7mathics_4core_7pattern_17ExpressionPattern_16get_match_candidates[] = "\n        Finds possible leaves that could match the pattern, ignoring future\n        pattern variable definitions, but taking into account already fixed\n        variables.\n        ";
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_17get_match_candidates = {"get_match_candidates", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_17get_match_candidates, METH_VARARGS|METH_KEYWORDS, __pyx_doc_7mathics_4core_7pattern_17ExpressionPattern_16get_match_candidates};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_17get_match_candidates(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_leaves = 0;
  CYTHON_UNUSED PyObject *__pyx_v_expression = 0;
  CYTHON_UNUSED PyObject *__pyx_v_attributes = 0;
  PyObject *__pyx_v_evaluation = 0;
  PyObject *__pyx_v_vars = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_match_candidates (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_leaves,&__pyx_n_s_expression,&__pyx_n_s_attributes,&__pyx_n_s_evaluation,&__pyx_n_s_vars,0};
    PyObject* values[6] = {0,0,0,0,0,0};
    __pyx_defaults5 *__pyx_dynamic_args = __Pyx_CyFunction_Defaults(__pyx_defaults5, __pyx_self);
    values[5] = __pyx_dynamic_args->__pyx_arg_vars;
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaves)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 1); __PYX_ERR(0, 664, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 2); __PYX_ERR(0, 664, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_attributes)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 3); __PYX_ERR(0, 664, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_evaluation)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, 4); __PYX_ERR(0, 664, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  5:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars);
          if (value) { values[5] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_match_candidates") < 0)) __PYX_ERR(0, 664, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_leaves = values[1];
    __pyx_v_expression = values[2];
    __pyx_v_attributes = values[3];
    __pyx_v_evaluation = values[4];
    __pyx_v_vars = values[5];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_match_candidates", 0, 5, 6, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 664, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_match_candidates", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_16get_match_candidates(__pyx_self, __pyx_v_self, __pyx_v_leaves, __pyx_v_expression, __pyx_v_attributes, __pyx_v_evaluation, __pyx_v_vars);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_16get_match_candidates(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_leaves, CYTHON_UNUSED PyObject *__pyx_v_expression, CYTHON_UNUSED PyObject *__pyx_v_attributes, PyObject *__pyx_v_evaluation, PyObject *__pyx_v_vars) {
  PyObject *__pyx_8genexpr3__pyx_v_leaf = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  Py_ssize_t __pyx_t_3;
  PyObject *(*__pyx_t_4)(PyObject *);
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  int __pyx_t_8;
  PyObject *__pyx_t_9 = NULL;
  int __pyx_t_10;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_match_candidates", 0);

  /* "mathics/core/pattern.py":672
 *         # TODO: fixed_vars!
 * 
 *         return [leaf for leaf in leaves if self.does_match(leaf, evaluation, vars)]             # <<<<<<<<<<<<<<
 * 
 *     def get_match_candidates_count(
 */
  __Pyx_XDECREF(__pyx_r);
  { /* enter inner scope */
    __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 672, __pyx_L5_error)
    __Pyx_GOTREF(__pyx_t_1);
    if (likely(PyList_CheckExact(__pyx_v_leaves)) || PyTuple_CheckExact(__pyx_v_leaves)) {
      __pyx_t_2 = __pyx_v_leaves; __Pyx_INCREF(__pyx_t_2); __pyx_t_3 = 0;
      __pyx_t_4 = NULL;
    } else {
      __pyx_t_3 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_leaves); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 672, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_2);
      __pyx_t_4 = Py_TYPE(__pyx_t_2)->tp_iternext; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 672, __pyx_L5_error)
    }
    for (;;) {
      if (likely(!__pyx_t_4)) {
        if (likely(PyList_CheckExact(__pyx_t_2))) {
          if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_2)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_5 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++; if (unlikely(0 < 0)) __PYX_ERR(0, 672, __pyx_L5_error)
          #else
          __pyx_t_5 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 672, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_5);
          #endif
        } else {
          if (__pyx_t_3 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++; if (unlikely(0 < 0)) __PYX_ERR(0, 672, __pyx_L5_error)
          #else
          __pyx_t_5 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 672, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_5);
          #endif
        }
      } else {
        __pyx_t_5 = __pyx_t_4(__pyx_t_2);
        if (unlikely(!__pyx_t_5)) {
          PyObject* exc_type = PyErr_Occurred();
          if (exc_type) {
            if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
            else __PYX_ERR(0, 672, __pyx_L5_error)
          }
          break;
        }
        __Pyx_GOTREF(__pyx_t_5);
      }
      __Pyx_XDECREF_SET(__pyx_8genexpr3__pyx_v_leaf, __pyx_t_5);
      __pyx_t_5 = 0;
      __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_does_match); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 672, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_6);
      __pyx_t_7 = NULL;
      __pyx_t_8 = 0;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_6))) {
        __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_6);
        if (likely(__pyx_t_7)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
          __Pyx_INCREF(__pyx_t_7);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_6, function);
          __pyx_t_8 = 1;
        }
      }
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_6)) {
        PyObject *__pyx_temp[4] = {__pyx_t_7, __pyx_8genexpr3__pyx_v_leaf, __pyx_v_evaluation, __pyx_v_vars};
        __pyx_t_5 = __Pyx_PyFunction_FastCall(__pyx_t_6, __pyx_temp+1-__pyx_t_8, 3+__pyx_t_8); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 672, __pyx_L5_error)
        __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
        __Pyx_GOTREF(__pyx_t_5);
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_6)) {
        PyObject *__pyx_temp[4] = {__pyx_t_7, __pyx_8genexpr3__pyx_v_leaf, __pyx_v_evaluation, __pyx_v_vars};
        __pyx_t_5 = __Pyx_PyCFunction_FastCall(__pyx_t_6, __pyx_temp+1-__pyx_t_8, 3+__pyx_t_8); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 672, __pyx_L5_error)
        __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
        __Pyx_GOTREF(__pyx_t_5);
      } else
      #endif
      {
        __pyx_t_9 = PyTuple_New(3+__pyx_t_8); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 672, __pyx_L5_error)
        __Pyx_GOTREF(__pyx_t_9);
        if (__pyx_t_7) {
          __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_t_7); __pyx_t_7 = NULL;
        }
        __Pyx_INCREF(__pyx_8genexpr3__pyx_v_leaf);
        __Pyx_GIVEREF(__pyx_8genexpr3__pyx_v_leaf);
        PyTuple_SET_ITEM(__pyx_t_9, 0+__pyx_t_8, __pyx_8genexpr3__pyx_v_leaf);
        __Pyx_INCREF(__pyx_v_evaluation);
        __Pyx_GIVEREF(__pyx_v_evaluation);
        PyTuple_SET_ITEM(__pyx_t_9, 1+__pyx_t_8, __pyx_v_evaluation);
        __Pyx_INCREF(__pyx_v_vars);
        __Pyx_GIVEREF(__pyx_v_vars);
        PyTuple_SET_ITEM(__pyx_t_9, 2+__pyx_t_8, __pyx_v_vars);
        __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_9, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 672, __pyx_L5_error)
        __Pyx_GOTREF(__pyx_t_5);
        __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
      }
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __pyx_t_10 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_10 < 0)) __PYX_ERR(0, 672, __pyx_L5_error)
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      if (__pyx_t_10) {
        if (unlikely(__Pyx_ListComp_Append(__pyx_t_1, (PyObject*)__pyx_8genexpr3__pyx_v_leaf))) __PYX_ERR(0, 672, __pyx_L5_error)
      }
    }
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_XDECREF(__pyx_8genexpr3__pyx_v_leaf); __pyx_8genexpr3__pyx_v_leaf = 0;
    goto __pyx_L9_exit_scope;
    __pyx_L5_error:;
    __Pyx_XDECREF(__pyx_8genexpr3__pyx_v_leaf); __pyx_8genexpr3__pyx_v_leaf = 0;
    goto __pyx_L1_error;
    __pyx_L9_exit_scope:;
  } /* exit inner scope */
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":664
 *             )
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         """
 *         Finds possible leaves that could match the pattern, ignoring future
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_match_candidates", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_8genexpr3__pyx_v_leaf);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":674
 *         return [leaf for leaf in leaves if self.does_match(leaf, evaluation, vars)]
 * 
 *     def get_match_candidates_count(             # <<<<<<<<<<<<<<
 *         self, leaves, expression, attributes, evaluation, vars={}
 *     ):
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_14__defaults__(CYTHON_UNUSED PyObject *__pyx_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__defaults__", 0);
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 674, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__Pyx_CyFunction_Defaults(__pyx_defaults6, __pyx_self)->__pyx_arg_vars);
  __Pyx_GIVEREF(__Pyx_CyFunction_Defaults(__pyx_defaults6, __pyx_self)->__pyx_arg_vars);
  PyTuple_SET_ITEM(__pyx_t_1, 0, __Pyx_CyFunction_Defaults(__pyx_defaults6, __pyx_self)->__pyx_arg_vars);
  __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 674, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
  __Pyx_INCREF(Py_None);
  __Pyx_GIVEREF(Py_None);
  PyTuple_SET_ITEM(__pyx_t_2, 1, Py_None);
  __pyx_t_1 = 0;
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("mathics.core.pattern.__defaults__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_19get_match_candidates_count(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_7mathics_4core_7pattern_17ExpressionPattern_18get_match_candidates_count[] = "\n        Finds possible leaves that could match the pattern, ignoring future\n        pattern variable definitions, but taking into account already fixed\n        variables.\n        ";
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_19get_match_candidates_count = {"get_match_candidates_count", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_19get_match_candidates_count, METH_VARARGS|METH_KEYWORDS, __pyx_doc_7mathics_4core_7pattern_17ExpressionPattern_18get_match_candidates_count};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_19get_match_candidates_count(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_self = 0;
  PyObject *__pyx_v_leaves = 0;
  CYTHON_UNUSED PyObject *__pyx_v_expression = 0;
  CYTHON_UNUSED PyObject *__pyx_v_attributes = 0;
  PyObject *__pyx_v_evaluation = 0;
  PyObject *__pyx_v_vars = 0;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_match_candidates_count (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_self,&__pyx_n_s_leaves,&__pyx_n_s_expression,&__pyx_n_s_attributes,&__pyx_n_s_evaluation,&__pyx_n_s_vars,0};
    PyObject* values[6] = {0,0,0,0,0,0};
    __pyx_defaults6 *__pyx_dynamic_args = __Pyx_CyFunction_Defaults(__pyx_defaults6, __pyx_self);
    values[5] = __pyx_dynamic_args->__pyx_arg_vars;
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        CYTHON_FALLTHROUGH;
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_self)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_leaves)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates_count", 0, 5, 6, 1); __PYX_ERR(0, 674, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (likely((values[2] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_expression)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates_count", 0, 5, 6, 2); __PYX_ERR(0, 674, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (likely((values[3] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_attributes)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates_count", 0, 5, 6, 3); __PYX_ERR(0, 674, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  4:
        if (likely((values[4] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_evaluation)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("get_match_candidates_count", 0, 5, 6, 4); __PYX_ERR(0, 674, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  5:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_vars);
          if (value) { values[5] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_match_candidates_count") < 0)) __PYX_ERR(0, 674, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
        CYTHON_FALLTHROUGH;
        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
        values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_self = values[0];
    __pyx_v_leaves = values[1];
    __pyx_v_expression = values[2];
    __pyx_v_attributes = values[3];
    __pyx_v_evaluation = values[4];
    __pyx_v_vars = values[5];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_match_candidates_count", 0, 5, 6, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 674, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_match_candidates_count", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_18get_match_candidates_count(__pyx_self, __pyx_v_self, __pyx_v_leaves, __pyx_v_expression, __pyx_v_attributes, __pyx_v_evaluation, __pyx_v_vars);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_18get_match_candidates_count(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_leaves, CYTHON_UNUSED PyObject *__pyx_v_expression, CYTHON_UNUSED PyObject *__pyx_v_attributes, PyObject *__pyx_v_evaluation, PyObject *__pyx_v_vars) {
  PyObject *__pyx_v_count = NULL;
  PyObject *__pyx_v_leaf = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  Py_ssize_t __pyx_t_2;
  PyObject *(*__pyx_t_3)(PyObject *);
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  int __pyx_t_7;
  PyObject *__pyx_t_8 = NULL;
  int __pyx_t_9;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("get_match_candidates_count", 0);

  /* "mathics/core/pattern.py":684
 *         # TODO: fixed_vars!
 * 
 *         count = 0             # <<<<<<<<<<<<<<
 *         for leaf in leaves:
 *             if self.does_match(leaf, evaluation, vars):
 */
  __Pyx_INCREF(__pyx_int_0);
  __pyx_v_count = __pyx_int_0;

  /* "mathics/core/pattern.py":685
 * 
 *         count = 0
 *         for leaf in leaves:             # <<<<<<<<<<<<<<
 *             if self.does_match(leaf, evaluation, vars):
 *                 count += 1
 */
  if (likely(PyList_CheckExact(__pyx_v_leaves)) || PyTuple_CheckExact(__pyx_v_leaves)) {
    __pyx_t_1 = __pyx_v_leaves; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
    __pyx_t_3 = NULL;
  } else {
    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_leaves); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 685, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext; if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 685, __pyx_L1_error)
  }
  for (;;) {
    if (likely(!__pyx_t_3)) {
      if (likely(PyList_CheckExact(__pyx_t_1))) {
        if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
        __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) __PYX_ERR(0, 685, __pyx_L1_error)
        #else
        __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 685, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        #endif
      } else {
        if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
        __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) __PYX_ERR(0, 685, __pyx_L1_error)
        #else
        __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 685, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        #endif
      }
    } else {
      __pyx_t_4 = __pyx_t_3(__pyx_t_1);
      if (unlikely(!__pyx_t_4)) {
        PyObject* exc_type = PyErr_Occurred();
        if (exc_type) {
          if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
          else __PYX_ERR(0, 685, __pyx_L1_error)
        }
        break;
      }
      __Pyx_GOTREF(__pyx_t_4);
    }
    __Pyx_XDECREF_SET(__pyx_v_leaf, __pyx_t_4);
    __pyx_t_4 = 0;

    /* "mathics/core/pattern.py":686
 *         count = 0
 *         for leaf in leaves:
 *             if self.does_match(leaf, evaluation, vars):             # <<<<<<<<<<<<<<
 *                 count += 1
 *         return count
 */
    __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_does_match); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 686, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_t_6 = NULL;
    __pyx_t_7 = 0;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
      __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_5);
      if (likely(__pyx_t_6)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
        __Pyx_INCREF(__pyx_t_6);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_5, function);
        __pyx_t_7 = 1;
      }
    }
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[4] = {__pyx_t_6, __pyx_v_leaf, __pyx_v_evaluation, __pyx_v_vars};
      __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-__pyx_t_7, 3+__pyx_t_7); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 686, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_4);
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[4] = {__pyx_t_6, __pyx_v_leaf, __pyx_v_evaluation, __pyx_v_vars};
      __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-__pyx_t_7, 3+__pyx_t_7); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 686, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_4);
    } else
    #endif
    {
      __pyx_t_8 = PyTuple_New(3+__pyx_t_7); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 686, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_8);
      if (__pyx_t_6) {
        __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_6); __pyx_t_6 = NULL;
      }
      __Pyx_INCREF(__pyx_v_leaf);
      __Pyx_GIVEREF(__pyx_v_leaf);
      PyTuple_SET_ITEM(__pyx_t_8, 0+__pyx_t_7, __pyx_v_leaf);
      __Pyx_INCREF(__pyx_v_evaluation);
      __Pyx_GIVEREF(__pyx_v_evaluation);
      PyTuple_SET_ITEM(__pyx_t_8, 1+__pyx_t_7, __pyx_v_evaluation);
      __Pyx_INCREF(__pyx_v_vars);
      __Pyx_GIVEREF(__pyx_v_vars);
      PyTuple_SET_ITEM(__pyx_t_8, 2+__pyx_t_7, __pyx_v_vars);
      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_8, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 686, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
    }
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_9 < 0)) __PYX_ERR(0, 686, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    if (__pyx_t_9) {

      /* "mathics/core/pattern.py":687
 *         for leaf in leaves:
 *             if self.does_match(leaf, evaluation, vars):
 *                 count += 1             # <<<<<<<<<<<<<<
 *         return count
 * 
 */
      __pyx_t_4 = __Pyx_PyInt_AddObjC(__pyx_v_count, __pyx_int_1, 1, 1, 0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 687, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF_SET(__pyx_v_count, __pyx_t_4);
      __pyx_t_4 = 0;

      /* "mathics/core/pattern.py":686
 *         count = 0
 *         for leaf in leaves:
 *             if self.does_match(leaf, evaluation, vars):             # <<<<<<<<<<<<<<
 *                 count += 1
 *         return count
 */
    }

    /* "mathics/core/pattern.py":685
 * 
 *         count = 0
 *         for leaf in leaves:             # <<<<<<<<<<<<<<
 *             if self.does_match(leaf, evaluation, vars):
 *                 count += 1
 */
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":688
 *             if self.does_match(leaf, evaluation, vars):
 *                 count += 1
 *         return count             # <<<<<<<<<<<<<<
 * 
 *     def sort(self):
 */
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(__pyx_v_count);
  __pyx_r = __pyx_v_count;
  goto __pyx_L0;

  /* "mathics/core/pattern.py":674
 *         return [leaf for leaf in leaves if self.does_match(leaf, evaluation, vars)]
 * 
 *     def get_match_candidates_count(             # <<<<<<<<<<<<<<
 *         self, leaves, expression, attributes, evaluation, vars={}
 *     ):
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.get_match_candidates_count", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_count);
  __Pyx_XDECREF(__pyx_v_leaf);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":690
 *         return count
 * 
 *     def sort(self):             # <<<<<<<<<<<<<<
 *         self.leaves.sort(key=lambda e: e.get_sort_key(pattern_sort=True))
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_21sort(PyObject *__pyx_self, PyObject *__pyx_v_self); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_21sort = {"sort", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_21sort, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_21sort(PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("sort (wrapper)", 0);
  __pyx_r = __pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_20sort(__pyx_self, ((PyObject *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":691
 * 
 *     def sort(self):
 *         self.leaves.sort(key=lambda e: e.get_sort_key(pattern_sort=True))             # <<<<<<<<<<<<<<
 */

/* Python wrapper */
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_4sort_lambda(PyObject *__pyx_self, PyObject *__pyx_v_e); /*proto*/
static PyMethodDef __pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_4sort_lambda = {"lambda", (PyCFunction)__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_4sort_lambda, METH_O, 0};
static PyObject *__pyx_pw_7mathics_4core_7pattern_17ExpressionPattern_4sort_lambda(PyObject *__pyx_self, PyObject *__pyx_v_e) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("lambda (wrapper)", 0);
  __pyx_r = __pyx_lambda_funcdef_lambda(__pyx_self, ((PyObject *)__pyx_v_e));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_lambda_funcdef_lambda(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_e) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("lambda", 0);
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_e, __pyx_n_s_get_sort_key); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 691, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyDict_NewPresized(1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 691, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_t_2, __pyx_n_s_pattern_sort, Py_True) < 0) __PYX_ERR(0, 691, __pyx_L1_error)
  __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_empty_tuple, __pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 691, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_r = __pyx_t_3;
  __pyx_t_3 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.sort.lambda", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "mathics/core/pattern.py":690
 *         return count
 * 
 *     def sort(self):             # <<<<<<<<<<<<<<
 *         self.leaves.sort(key=lambda e: e.get_sort_key(pattern_sort=True))
 */

static PyObject *__pyx_pf_7mathics_4core_7pattern_17ExpressionPattern_20sort(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("sort", 0);

  /* "mathics/core/pattern.py":691
 * 
 *     def sort(self):
 *         self.leaves.sort(key=lambda e: e.get_sort_key(pattern_sort=True))             # <<<<<<<<<<<<<<
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_v_self, __pyx_n_s_leaves); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 691, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_sort); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 691, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_PyDict_NewPresized(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 691, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_4sort_lambda, 0, __pyx_n_s_ExpressionPattern_sort_locals_la, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 691, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_t_1, __pyx_n_s_key, __pyx_t_3) < 0) __PYX_ERR(0, 691, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_empty_tuple, __pyx_t_1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 691, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":690
 *         return count
 * 
 *     def sort(self):             # <<<<<<<<<<<<<<
 *         self.leaves.sort(key=lambda e: e.get_sort_key(pattern_sort=True))
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("mathics.core.pattern.ExpressionPattern.sort", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct__match[8];
static int __pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct__match = 0;

static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct__match(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct__match > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match)))) {
    o = (PyObject*)__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct__match[--__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct__match];
    memset(o, 0, sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct__match(PyObject *o) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_v_attributes);
  Py_CLEAR(p->__pyx_v_evaluation);
  Py_CLEAR(p->__pyx_v_expression);
  Py_CLEAR(p->__pyx_v_fully);
  Py_CLEAR(p->__pyx_v_self);
  Py_CLEAR(p->__pyx_v_yield_choice);
  Py_CLEAR(p->__pyx_v_yield_func);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct__match < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match)))) {
    __pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct__match[__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct__match++] = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct__match(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *)o;
  if (p->__pyx_v_attributes) {
    e = (*v)(p->__pyx_v_attributes, a); if (e) return e;
  }
  if (p->__pyx_v_evaluation) {
    e = (*v)(p->__pyx_v_evaluation, a); if (e) return e;
  }
  if (p->__pyx_v_expression) {
    e = (*v)(p->__pyx_v_expression, a); if (e) return e;
  }
  if (p->__pyx_v_fully) {
    e = (*v)(p->__pyx_v_fully, a); if (e) return e;
  }
  if (p->__pyx_v_self) {
    e = (*v)(p->__pyx_v_self, a); if (e) return e;
  }
  if (p->__pyx_v_yield_choice) {
    e = (*v)(p->__pyx_v_yield_choice, a); if (e) return e;
  }
  if (p->__pyx_v_yield_func) {
    e = (*v)(p->__pyx_v_yield_func, a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_7mathics_4core_7pattern___pyx_scope_struct__match(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match *)o;
  tmp = ((PyObject*)p->__pyx_v_attributes);
  p->__pyx_v_attributes = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_evaluation);
  p->__pyx_v_evaluation = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_expression);
  p->__pyx_v_expression = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_fully);
  p->__pyx_v_fully = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_self);
  p->__pyx_v_self = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_yield_choice);
  p->__pyx_v_yield_choice = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_yield_func);
  p->__pyx_v_yield_func = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyTypeObject __pyx_type_7mathics_4core_7pattern___pyx_scope_struct__match = {
  PyVarObject_HEAD_INIT(0, 0)
  "mathics.core.pattern.__pyx_scope_struct__match", /*tp_name*/
  sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct__match), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct__match, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct__match, /*tp_traverse*/
  __pyx_tp_clear_7mathics_4core_7pattern___pyx_scope_struct__match, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct__match, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
};

static struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices[8];
static int __pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices = 0;

static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices)))) {
    o = (PyObject*)__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices[--__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices];
    memset(o, 0, sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices(PyObject *o) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_v_attributes);
  Py_CLEAR(p->__pyx_v_expr_groups);
  Py_CLEAR(p->__pyx_v_expression);
  Py_CLEAR(p->__pyx_v_per_name);
  Py_CLEAR(p->__pyx_v_self);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices)))) {
    __pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices[__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices++] = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *)o;
  if (p->__pyx_v_attributes) {
    e = (*v)(p->__pyx_v_attributes, a); if (e) return e;
  }
  if (p->__pyx_v_expr_groups) {
    e = (*v)(p->__pyx_v_expr_groups, a); if (e) return e;
  }
  if (p->__pyx_v_expression) {
    e = (*v)(p->__pyx_v_expression, a); if (e) return e;
  }
  if (p->__pyx_v_per_name) {
    e = (*v)(p->__pyx_v_per_name, a); if (e) return e;
  }
  if (p->__pyx_v_self) {
    e = (*v)(p->__pyx_v_self, a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *)o;
  tmp = ((PyObject*)p->__pyx_v_attributes);
  p->__pyx_v_attributes = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_expr_groups);
  p->__pyx_v_expr_groups = ((PyObject*)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_expression);
  p->__pyx_v_expression = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_per_name);
  p->__pyx_v_per_name = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_self);
  p->__pyx_v_self = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyTypeObject __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices = {
  PyVarObject_HEAD_INIT(0, 0)
  "mathics.core.pattern.__pyx_scope_struct_1_get_pre_choices", /*tp_name*/
  sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices, /*tp_traverse*/
  __pyx_tp_clear_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
};

static struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_2_per_name[8];
static int __pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_2_per_name = 0;

static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_2_per_name(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_2_per_name > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name)))) {
    o = (PyObject*)__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_2_per_name[--__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_2_per_name];
    memset(o, 0, sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct_2_per_name(PyObject *o) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_outer_scope);
  Py_CLEAR(p->__pyx_v_groups);
  Py_CLEAR(p->__pyx_v_match_count);
  Py_CLEAR(p->__pyx_v_name);
  Py_CLEAR(p->__pyx_v_patterns);
  Py_CLEAR(p->__pyx_v_per_expr);
  Py_CLEAR(p->__pyx_v_vars);
  Py_CLEAR(p->__pyx_v_yield_name);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_2_per_name < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name)))) {
    __pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_2_per_name[__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_2_per_name++] = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct_2_per_name(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *)o;
  if (p->__pyx_outer_scope) {
    e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e;
  }
  if (p->__pyx_v_groups) {
    e = (*v)(p->__pyx_v_groups, a); if (e) return e;
  }
  if (p->__pyx_v_match_count) {
    e = (*v)(p->__pyx_v_match_count, a); if (e) return e;
  }
  if (p->__pyx_v_name) {
    e = (*v)(p->__pyx_v_name, a); if (e) return e;
  }
  if (p->__pyx_v_patterns) {
    e = (*v)(p->__pyx_v_patterns, a); if (e) return e;
  }
  if (p->__pyx_v_per_expr) {
    e = (*v)(p->__pyx_v_per_expr, a); if (e) return e;
  }
  if (p->__pyx_v_vars) {
    e = (*v)(p->__pyx_v_vars, a); if (e) return e;
  }
  if (p->__pyx_v_yield_name) {
    e = (*v)(p->__pyx_v_yield_name, a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_7mathics_4core_7pattern___pyx_scope_struct_2_per_name(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *)o;
  tmp = ((PyObject*)p->__pyx_outer_scope);
  p->__pyx_outer_scope = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_groups);
  p->__pyx_v_groups = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_match_count);
  p->__pyx_v_match_count = ((PyObject*)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_name);
  p->__pyx_v_name = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_patterns);
  p->__pyx_v_patterns = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_per_expr);
  p->__pyx_v_per_expr = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_vars);
  p->__pyx_v_vars = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_yield_name);
  p->__pyx_v_yield_name = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyTypeObject __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_2_per_name = {
  PyVarObject_HEAD_INIT(0, 0)
  "mathics.core.pattern.__pyx_scope_struct_2_per_name", /*tp_name*/
  sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct_2_per_name, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct_2_per_name, /*tp_traverse*/
  __pyx_tp_clear_7mathics_4core_7pattern___pyx_scope_struct_2_per_name, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_2_per_name, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
};

static struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr[8];
static int __pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr = 0;

static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr)))) {
    o = (PyObject*)__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr[--__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr];
    memset(o, 0, sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr(PyObject *o) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_outer_scope);
  Py_CLEAR(p->__pyx_v_count);
  Py_CLEAR(p->__pyx_v_expr);
  Py_CLEAR(p->__pyx_v_expr_groups);
  Py_CLEAR(p->__pyx_v_max_per_pattern);
  Py_CLEAR(p->__pyx_v_next);
  Py_CLEAR(p->__pyx_v_per_pattern);
  Py_CLEAR(p->__pyx_v_sum);
  Py_CLEAR(p->__pyx_v_yield_expr);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr)))) {
    __pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr[__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr++] = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr *)o;
  if (p->__pyx_outer_scope) {
    e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e;
  }
  if (p->__pyx_v_count) {
    e = (*v)(p->__pyx_v_count, a); if (e) return e;
  }
  if (p->__pyx_v_expr) {
    e = (*v)(p->__pyx_v_expr, a); if (e) return e;
  }
  if (p->__pyx_v_expr_groups) {
    e = (*v)(p->__pyx_v_expr_groups, a); if (e) return e;
  }
  if (p->__pyx_v_max_per_pattern) {
    e = (*v)(p->__pyx_v_max_per_pattern, a); if (e) return e;
  }
  if (p->__pyx_v_next) {
    e = (*v)(p->__pyx_v_next, a); if (e) return e;
  }
  if (p->__pyx_v_per_pattern) {
    e = (*v)(p->__pyx_v_per_pattern, a); if (e) return e;
  }
  if (p->__pyx_v_sum) {
    e = (*v)(p->__pyx_v_sum, a); if (e) return e;
  }
  if (p->__pyx_v_yield_expr) {
    e = (*v)(p->__pyx_v_yield_expr, a); if (e) return e;
  }
  return 0;
}

static PyTypeObject __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr = {
  PyVarObject_HEAD_INIT(0, 0)
  "mathics.core.pattern.__pyx_scope_struct_3_per_expr", /*tp_name*/
  sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr, /*tp_traverse*/
  0, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
};

static struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr[8];
static int __pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr = 0;

static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr)))) {
    o = (PyObject*)__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr[--__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr];
    memset(o, 0, sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr(PyObject *o) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_outer_scope);
  Py_CLEAR(p->__pyx_v_wrapping);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr)))) {
    __pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr[__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr++] = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *)o;
  if (p->__pyx_outer_scope) {
    e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e;
  }
  if (p->__pyx_v_wrapping) {
    e = (*v)(p->__pyx_v_wrapping, a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr *)o;
  tmp = ((PyObject*)p->__pyx_outer_scope);
  p->__pyx_outer_scope = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_2_per_name *)Py_None); Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_wrapping);
  p->__pyx_v_wrapping = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyTypeObject __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr = {
  PyVarObject_HEAD_INIT(0, 0)
  "mathics.core.pattern.__pyx_scope_struct_4_yield_expr", /*tp_name*/
  sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr, /*tp_traverse*/
  __pyx_tp_clear_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
};

static struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf[8];
static int __pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf = 0;

static PyObject *__pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf)))) {
    o = (PyObject*)__pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf[--__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf];
    memset(o, 0, sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf(PyObject *o) {
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_v_attributes);
  Py_CLEAR(p->__pyx_v_evaluation);
  Py_CLEAR(p->__pyx_v_expression);
  Py_CLEAR(p->__pyx_v_fully);
  Py_CLEAR(p->__pyx_v_items_rest);
  Py_CLEAR(p->__pyx_v_leaf);
  Py_CLEAR(p->__pyx_v_leaf_count);
  Py_CLEAR(p->__pyx_v_leaf_index);
  Py_CLEAR(p->__pyx_v_leaf_yield);
  Py_CLEAR(p->__pyx_v_match_yield);
  Py_CLEAR(p->__pyx_v_next_depth);
  Py_CLEAR(p->__pyx_v_next_index);
  Py_CLEAR(p->__pyx_v_next_leaf);
  Py_CLEAR(p->__pyx_v_next_rest_leaves);
  Py_CLEAR(p->__pyx_v_rest_expression);
  Py_CLEAR(p->__pyx_v_rest_leaves);
  Py_CLEAR(p->__pyx_v_self);
  Py_CLEAR(p->__pyx_v_vars);
  Py_CLEAR(p->__pyx_v_wrap_oneid);
  Py_CLEAR(p->__pyx_v_yield_func);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf)))) {
    __pyx_freelist_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf[__pyx_freecount_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf++] = ((struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *)o;
  if (p->__pyx_v_attributes) {
    e = (*v)(p->__pyx_v_attributes, a); if (e) return e;
  }
  if (p->__pyx_v_evaluation) {
    e = (*v)(p->__pyx_v_evaluation, a); if (e) return e;
  }
  if (p->__pyx_v_expression) {
    e = (*v)(p->__pyx_v_expression, a); if (e) return e;
  }
  if (p->__pyx_v_fully) {
    e = (*v)(p->__pyx_v_fully, a); if (e) return e;
  }
  if (p->__pyx_v_items_rest) {
    e = (*v)(p->__pyx_v_items_rest, a); if (e) return e;
  }
  if (p->__pyx_v_leaf) {
    e = (*v)(p->__pyx_v_leaf, a); if (e) return e;
  }
  if (p->__pyx_v_leaf_count) {
    e = (*v)(p->__pyx_v_leaf_count, a); if (e) return e;
  }
  if (p->__pyx_v_leaf_index) {
    e = (*v)(p->__pyx_v_leaf_index, a); if (e) return e;
  }
  if (p->__pyx_v_leaf_yield) {
    e = (*v)(p->__pyx_v_leaf_yield, a); if (e) return e;
  }
  if (p->__pyx_v_match_yield) {
    e = (*v)(p->__pyx_v_match_yield, a); if (e) return e;
  }
  if (p->__pyx_v_next_depth) {
    e = (*v)(p->__pyx_v_next_depth, a); if (e) return e;
  }
  if (p->__pyx_v_next_index) {
    e = (*v)(p->__pyx_v_next_index, a); if (e) return e;
  }
  if (p->__pyx_v_next_leaf) {
    e = (*v)(p->__pyx_v_next_leaf, a); if (e) return e;
  }
  if (p->__pyx_v_next_rest_leaves) {
    e = (*v)(p->__pyx_v_next_rest_leaves, a); if (e) return e;
  }
  if (p->__pyx_v_rest_expression) {
    e = (*v)(p->__pyx_v_rest_expression, a); if (e) return e;
  }
  if (p->__pyx_v_rest_leaves) {
    e = (*v)(p->__pyx_v_rest_leaves, a); if (e) return e;
  }
  if (p->__pyx_v_self) {
    e = (*v)(p->__pyx_v_self, a); if (e) return e;
  }
  if (p->__pyx_v_vars) {
    e = (*v)(p->__pyx_v_vars, a); if (e) return e;
  }
  if (p->__pyx_v_wrap_oneid) {
    e = (*v)(p->__pyx_v_wrap_oneid, a); if (e) return e;
  }
  if (p->__pyx_v_yield_func) {
    e = (*v)(p->__pyx_v_yield_func, a); if (e) return e;
  }
  return 0;
}

static int __pyx_tp_clear_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf(PyObject *o) {
  PyObject* tmp;
  struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *p = (struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf *)o;
  tmp = ((PyObject*)p->__pyx_v_attributes);
  p->__pyx_v_attributes = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_evaluation);
  p->__pyx_v_evaluation = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_expression);
  p->__pyx_v_expression = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_fully);
  p->__pyx_v_fully = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_items_rest);
  p->__pyx_v_items_rest = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_leaf);
  p->__pyx_v_leaf = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_leaf_count);
  p->__pyx_v_leaf_count = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_leaf_index);
  p->__pyx_v_leaf_index = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_leaf_yield);
  p->__pyx_v_leaf_yield = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_match_yield);
  p->__pyx_v_match_yield = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_next_depth);
  p->__pyx_v_next_depth = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_next_index);
  p->__pyx_v_next_index = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_next_leaf);
  p->__pyx_v_next_leaf = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_next_rest_leaves);
  p->__pyx_v_next_rest_leaves = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_rest_expression);
  p->__pyx_v_rest_expression = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_rest_leaves);
  p->__pyx_v_rest_leaves = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_self);
  p->__pyx_v_self = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_vars);
  p->__pyx_v_vars = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_wrap_oneid);
  p->__pyx_v_wrap_oneid = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  tmp = ((PyObject*)p->__pyx_v_yield_func);
  p->__pyx_v_yield_func = Py_None; Py_INCREF(Py_None);
  Py_XDECREF(tmp);
  return 0;
}

static PyTypeObject __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf = {
  PyVarObject_HEAD_INIT(0, 0)
  "mathics.core.pattern.__pyx_scope_struct_5_match_leaf", /*tp_name*/
  sizeof(struct __pyx_obj_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf, /*tp_dealloc*/
  #if PY_VERSION_HEX < 0x030800b4
  0, /*tp_print*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4
  0, /*tp_vectorcall_offset*/
  #endif
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf, /*tp_traverse*/
  __pyx_tp_clear_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b1
  0, /*tp_vectorcall*/
  #endif
  #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
  0, /*tp_print*/
  #endif
};

static PyMethodDef __pyx_methods[] = {
  {0, 0, 0, 0}
};

#if PY_MAJOR_VERSION >= 3
#if CYTHON_PEP489_MULTI_PHASE_INIT
static PyObject* __pyx_pymod_create(PyObject *spec, PyModuleDef *def); /*proto*/
static int __pyx_pymod_exec_pattern(PyObject* module); /*proto*/
static PyModuleDef_Slot __pyx_moduledef_slots[] = {
  {Py_mod_create, (void*)__pyx_pymod_create},
  {Py_mod_exec, (void*)__pyx_pymod_exec_pattern},
  {0, NULL}
};
#endif

static struct PyModuleDef __pyx_moduledef = {
    PyModuleDef_HEAD_INIT,
    "pattern",
    0, /* m_doc */
  #if CYTHON_PEP489_MULTI_PHASE_INIT
    0, /* m_size */
  #else
    -1, /* m_size */
  #endif
    __pyx_methods /* m_methods */,
  #if CYTHON_PEP489_MULTI_PHASE_INIT
    __pyx_moduledef_slots, /* m_slots */
  #else
    NULL, /* m_reload */
  #endif
    NULL, /* m_traverse */
    NULL, /* m_clear */
    NULL /* m_free */
};
#endif
#ifndef CYTHON_SMALL_CODE
#if defined(__clang__)
    #define CYTHON_SMALL_CODE
#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
    #define CYTHON_SMALL_CODE __attribute__((cold))
#else
    #define CYTHON_SMALL_CODE
#endif
#endif

static __Pyx_StringTabEntry __pyx_string_tab[] = {
  {&__pyx_n_u_Alternatives, __pyx_k_Alternatives, sizeof(__pyx_k_Alternatives), 0, 1, 0, 1},
  {&__pyx_n_s_AtomPattern, __pyx_k_AtomPattern, sizeof(__pyx_k_AtomPattern), 0, 0, 1, 1},
  {&__pyx_n_s_AtomPattern___init, __pyx_k_AtomPattern___init, sizeof(__pyx_k_AtomPattern___init), 0, 0, 1, 1},
  {&__pyx_n_s_AtomPattern___repr, __pyx_k_AtomPattern___repr, sizeof(__pyx_k_AtomPattern___repr), 0, 0, 1, 1},
  {&__pyx_n_s_AtomPattern_get_match_candidates, __pyx_k_AtomPattern_get_match_candidates, sizeof(__pyx_k_AtomPattern_get_match_candidates), 0, 0, 1, 1},
  {&__pyx_n_s_AtomPattern_get_match_count, __pyx_k_AtomPattern_get_match_count, sizeof(__pyx_k_AtomPattern_get_match_count), 0, 0, 1, 1},
  {&__pyx_n_s_AtomPattern_match, __pyx_k_AtomPattern_match, sizeof(__pyx_k_AtomPattern_match), 0, 0, 1, 1},
  {&__pyx_kp_u_AtomPattern_s, __pyx_k_AtomPattern_s, sizeof(__pyx_k_AtomPattern_s), 0, 1, 0, 0},
  {&__pyx_n_u_Blank, __pyx_k_Blank, sizeof(__pyx_k_Blank), 0, 1, 0, 1},
  {&__pyx_n_u_BlankNullSequence, __pyx_k_BlankNullSequence, sizeof(__pyx_k_BlankNullSequence), 0, 1, 0, 1},
  {&__pyx_n_u_BlankSequence, __pyx_k_BlankSequence, sizeof(__pyx_k_BlankSequence), 0, 1, 0, 1},
  {&__pyx_n_u_Condition, __pyx_k_Condition, sizeof(__pyx_k_Condition), 0, 1, 0, 1},
  {&__pyx_n_s_Expression, __pyx_k_Expression, sizeof(__pyx_k_Expression), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern, __pyx_k_ExpressionPattern, sizeof(__pyx_k_ExpressionPattern), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern___init, __pyx_k_ExpressionPattern___init, sizeof(__pyx_k_ExpressionPattern___init), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern___repr, __pyx_k_ExpressionPattern___repr, sizeof(__pyx_k_ExpressionPattern___repr), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_filter_leaves, __pyx_k_ExpressionPattern_filter_leaves, sizeof(__pyx_k_ExpressionPattern_filter_leaves), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_get_match_cand, __pyx_k_ExpressionPattern_get_match_cand, sizeof(__pyx_k_ExpressionPattern_get_match_cand), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_get_match_cand_2, __pyx_k_ExpressionPattern_get_match_cand_2, sizeof(__pyx_k_ExpressionPattern_get_match_cand_2), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_get_match_coun, __pyx_k_ExpressionPattern_get_match_coun, sizeof(__pyx_k_ExpressionPattern_get_match_coun), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_get_pre_choice, __pyx_k_ExpressionPattern_get_pre_choice, sizeof(__pyx_k_ExpressionPattern_get_pre_choice), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_get_pre_choice_2, __pyx_k_ExpressionPattern_get_pre_choice_2, sizeof(__pyx_k_ExpressionPattern_get_pre_choice_2), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_get_pre_choice_3, __pyx_k_ExpressionPattern_get_pre_choice_3, sizeof(__pyx_k_ExpressionPattern_get_pre_choice_3), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_get_pre_choice_4, __pyx_k_ExpressionPattern_get_pre_choice_4, sizeof(__pyx_k_ExpressionPattern_get_pre_choice_4), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_get_pre_choice_5, __pyx_k_ExpressionPattern_get_pre_choice_5, sizeof(__pyx_k_ExpressionPattern_get_pre_choice_5), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_get_wrappings, __pyx_k_ExpressionPattern_get_wrappings, sizeof(__pyx_k_ExpressionPattern_get_wrappings), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_match, __pyx_k_ExpressionPattern_match, sizeof(__pyx_k_ExpressionPattern_match), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_match_leaf, __pyx_k_ExpressionPattern_match_leaf, sizeof(__pyx_k_ExpressionPattern_match_leaf), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_match_leaf_loc, __pyx_k_ExpressionPattern_match_leaf_loc, sizeof(__pyx_k_ExpressionPattern_match_leaf_loc), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_match_leaf_loc_2, __pyx_k_ExpressionPattern_match_leaf_loc_2, sizeof(__pyx_k_ExpressionPattern_match_leaf_loc_2), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_match_leaf_loc_3, __pyx_k_ExpressionPattern_match_leaf_loc_3, sizeof(__pyx_k_ExpressionPattern_match_leaf_loc_3), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_match_locals_y, __pyx_k_ExpressionPattern_match_locals_y, sizeof(__pyx_k_ExpressionPattern_match_locals_y), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_match_locals_y_2, __pyx_k_ExpressionPattern_match_locals_y_2, sizeof(__pyx_k_ExpressionPattern_match_locals_y_2), 0, 0, 1, 1},
  {&__pyx_kp_u_ExpressionPattern_s, __pyx_k_ExpressionPattern_s, sizeof(__pyx_k_ExpressionPattern_s), 0, 1, 0, 0},
  {&__pyx_n_s_ExpressionPattern_sort, __pyx_k_ExpressionPattern_sort, sizeof(__pyx_k_ExpressionPattern_sort), 0, 0, 1, 1},
  {&__pyx_n_s_ExpressionPattern_sort_locals_la, __pyx_k_ExpressionPattern_sort_locals_la, sizeof(__pyx_k_ExpressionPattern_sort_locals_la), 0, 0, 1, 1},
  {&__pyx_n_s_NotImplementedError, __pyx_k_NotImplementedError, sizeof(__pyx_k_NotImplementedError), 0, 0, 1, 1},
  {&__pyx_n_u_Optional, __pyx_k_Optional, sizeof(__pyx_k_Optional), 0, 1, 0, 1},
  {&__pyx_n_u_OptionsPattern, __pyx_k_OptionsPattern, sizeof(__pyx_k_OptionsPattern), 0, 1, 0, 1},
  {&__pyx_n_s_Pattern, __pyx_k_Pattern, sizeof(__pyx_k_Pattern), 0, 0, 1, 1},
  {&__pyx_n_u_Pattern, __pyx_k_Pattern, sizeof(__pyx_k_Pattern), 0, 1, 0, 1},
  {&__pyx_n_u_PatternTest, __pyx_k_PatternTest, sizeof(__pyx_k_PatternTest), 0, 1, 0, 1},
  {&__pyx_n_s_Pattern_create, __pyx_k_Pattern_create, sizeof(__pyx_k_Pattern_create), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_does_match, __pyx_k_Pattern_does_match, sizeof(__pyx_k_Pattern_does_match), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_does_match_locals_yield, __pyx_k_Pattern_does_match_locals_yield, sizeof(__pyx_k_Pattern_does_match_locals_yield), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_attributes, __pyx_k_Pattern_get_attributes, sizeof(__pyx_k_Pattern_get_attributes), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_head, __pyx_k_Pattern_get_head, sizeof(__pyx_k_Pattern_get_head), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_head_name, __pyx_k_Pattern_get_head_name, sizeof(__pyx_k_Pattern_get_head_name), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_leaves, __pyx_k_Pattern_get_leaves, sizeof(__pyx_k_Pattern_get_leaves), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_lookup_name, __pyx_k_Pattern_get_lookup_name, sizeof(__pyx_k_Pattern_get_lookup_name), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_match_candidates, __pyx_k_Pattern_get_match_candidates, sizeof(__pyx_k_Pattern_get_match_candidates), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_match_candidates_cou, __pyx_k_Pattern_get_match_candidates_cou, sizeof(__pyx_k_Pattern_get_match_candidates_cou), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_name, __pyx_k_Pattern_get_name, sizeof(__pyx_k_Pattern_get_name), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_option_values, __pyx_k_Pattern_get_option_values, sizeof(__pyx_k_Pattern_get_option_values), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_sequence, __pyx_k_Pattern_get_sequence, sizeof(__pyx_k_Pattern_get_sequence), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_get_sort_key, __pyx_k_Pattern_get_sort_key, sizeof(__pyx_k_Pattern_get_sort_key), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_has_form, __pyx_k_Pattern_has_form, sizeof(__pyx_k_Pattern_has_form), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_is_atom, __pyx_k_Pattern_is_atom, sizeof(__pyx_k_Pattern_is_atom), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_match, __pyx_k_Pattern_match, sizeof(__pyx_k_Pattern_match), 0, 0, 1, 1},
  {&__pyx_n_s_Pattern_sameQ, __pyx_k_Pattern_sameQ, sizeof(__pyx_k_Pattern_sameQ), 0, 0, 1, 1},
  {&__pyx_n_u_Repeated, __pyx_k_Repeated, sizeof(__pyx_k_Repeated), 0, 1, 0, 1},
  {&__pyx_n_u_RepeatedNull, __pyx_k_RepeatedNull, sizeof(__pyx_k_RepeatedNull), 0, 1, 0, 1},
  {&__pyx_n_u_Sequence, __pyx_k_Sequence, sizeof(__pyx_k_Sequence), 0, 1, 0, 1},
  {&__pyx_n_s_StopGenerator, __pyx_k_StopGenerator, sizeof(__pyx_k_StopGenerator), 0, 0, 1, 1},
  {&__pyx_n_s_StopGenerator_ExpressionPattern, __pyx_k_StopGenerator_ExpressionPattern, sizeof(__pyx_k_StopGenerator_ExpressionPattern), 0, 0, 1, 1},
  {&__pyx_n_s_StopGenerator_Pattern, __pyx_k_StopGenerator_Pattern, sizeof(__pyx_k_StopGenerator_Pattern), 0, 0, 1, 1},
  {&__pyx_n_s_StopGenerator___init, __pyx_k_StopGenerator___init, sizeof(__pyx_k_StopGenerator___init), 0, 0, 1, 1},
  {&__pyx_kp_u_System_Flat, __pyx_k_System_Flat, sizeof(__pyx_k_System_Flat), 0, 1, 0, 0},
  {&__pyx_kp_u_System_MakeBoxes, __pyx_k_System_MakeBoxes, sizeof(__pyx_k_System_MakeBoxes), 0, 1, 0, 0},
  {&__pyx_kp_u_System_OneIdentity, __pyx_k_System_OneIdentity, sizeof(__pyx_k_System_OneIdentity), 0, 1, 0, 0},
  {&__pyx_kp_u_System_Orderless, __pyx_k_System_Orderless, sizeof(__pyx_k_System_Orderless), 0, 1, 0, 0},
  {&__pyx_kp_u_System_Pattern, __pyx_k_System_Pattern, sizeof(__pyx_k_System_Pattern), 0, 1, 0, 0},
  {&__pyx_kp_u_System_Sequence, __pyx_k_System_Sequence, sizeof(__pyx_k_System_Sequence), 0, 1, 0, 0},
  {&__pyx_n_s__5, __pyx_k__5, sizeof(__pyx_k__5), 0, 0, 1, 1},
  {&__pyx_n_s_append, __pyx_k_append, sizeof(__pyx_k_append), 0, 0, 1, 1},
  {&__pyx_n_s_args, __pyx_k_args, sizeof(__pyx_k_args), 0, 0, 1, 1},
  {&__pyx_n_s_atom, __pyx_k_atom, sizeof(__pyx_k_atom), 0, 0, 1, 1},
  {&__pyx_n_s_attributes, __pyx_k_attributes, sizeof(__pyx_k_attributes), 0, 0, 1, 1},
  {&__pyx_n_s_available, __pyx_k_available, sizeof(__pyx_k_available), 0, 0, 1, 1},
  {&__pyx_n_s_candidates, __pyx_k_candidates, sizeof(__pyx_k_candidates), 0, 0, 1, 1},
  {&__pyx_n_s_chain, __pyx_k_chain, sizeof(__pyx_k_chain), 0, 0, 1, 1},
  {&__pyx_n_s_check_stopped, __pyx_k_check_stopped, sizeof(__pyx_k_check_stopped), 0, 0, 1, 1},
  {&__pyx_n_s_cline_in_traceback, __pyx_k_cline_in_traceback, sizeof(__pyx_k_cline_in_traceback), 0, 0, 1, 1},
  {&__pyx_n_s_close, __pyx_k_close, sizeof(__pyx_k_close), 0, 0, 1, 1},
  {&__pyx_n_s_copy, __pyx_k_copy, sizeof(__pyx_k_copy), 0, 0, 1, 1},
  {&__pyx_n_s_count, __pyx_k_count, sizeof(__pyx_k_count), 0, 0, 1, 1},
  {&__pyx_n_s_create, __pyx_k_create, sizeof(__pyx_k_create), 0, 0, 1, 1},
  {&__pyx_n_s_definitions, __pyx_k_definitions, sizeof(__pyx_k_definitions), 0, 0, 1, 1},
  {&__pyx_n_s_depth, __pyx_k_depth, sizeof(__pyx_k_depth), 0, 0, 1, 1},
  {&__pyx_n_s_doc, __pyx_k_doc, sizeof(__pyx_k_doc), 0, 0, 1, 1},
  {&__pyx_n_s_does_match, __pyx_k_does_match, sizeof(__pyx_k_does_match), 0, 0, 1, 1},
  {&__pyx_n_s_ensure_context, __pyx_k_ensure_context, sizeof(__pyx_k_ensure_context), 0, 0, 1, 1},
  {&__pyx_n_s_evaluation, __pyx_k_evaluation, sizeof(__pyx_k_evaluation), 0, 0, 1, 1},
  {&__pyx_n_s_exc, __pyx_k_exc, sizeof(__pyx_k_exc), 0, 0, 1, 1},
  {&__pyx_n_s_existing, __pyx_k_existing, sizeof(__pyx_k_existing), 0, 0, 1, 1},
  {&__pyx_n_s_expr, __pyx_k_expr, sizeof(__pyx_k_expr), 0, 0, 1, 1},
  {&__pyx_n_s_expr_groups, __pyx_k_expr_groups, sizeof(__pyx_k_expr_groups), 0, 0, 1, 1},
  {&__pyx_n_s_expression, __pyx_k_expression, sizeof(__pyx_k_expression), 0, 0, 1, 1},
  {&__pyx_n_s_filter_leaves, __pyx_k_filter_leaves, sizeof(__pyx_k_filter_leaves), 0, 0, 1, 1},
  {&__pyx_n_s_first, __pyx_k_first, sizeof(__pyx_k_first), 0, 0, 1, 1},
  {&__pyx_n_s_flexible_start, __pyx_k_flexible_start, sizeof(__pyx_k_flexible_start), 0, 0, 1, 1},
  {&__pyx_n_s_fully, __pyx_k_fully, sizeof(__pyx_k_fully), 0, 0, 1, 1},
  {&__pyx_n_s_get, __pyx_k_get, sizeof(__pyx_k_get), 0, 0, 1, 1},
  {&__pyx_n_s_get_attributes, __pyx_k_get_attributes, sizeof(__pyx_k_get_attributes), 0, 0, 1, 1},
  {&__pyx_n_s_get_head, __pyx_k_get_head, sizeof(__pyx_k_get_head), 0, 0, 1, 1},
  {&__pyx_n_s_get_head_name, __pyx_k_get_head_name, sizeof(__pyx_k_get_head_name), 0, 0, 1, 1},
  {&__pyx_n_s_get_leaves, __pyx_k_get_leaves, sizeof(__pyx_k_get_leaves), 0, 0, 1, 1},
  {&__pyx_n_s_get_lookup_name, __pyx_k_get_lookup_name, sizeof(__pyx_k_get_lookup_name), 0, 0, 1, 1},
  {&__pyx_n_s_get_match_candidates, __pyx_k_get_match_candidates, sizeof(__pyx_k_get_match_candidates), 0, 0, 1, 1},
  {&__pyx_n_s_get_match_candidates_count, __pyx_k_get_match_candidates_count, sizeof(__pyx_k_get_match_candidates_count), 0, 0, 1, 1},
  {&__pyx_n_s_get_match_count, __pyx_k_get_match_count, sizeof(__pyx_k_get_match_count), 0, 0, 1, 1},
  {&__pyx_n_s_get_name, __pyx_k_get_name, sizeof(__pyx_k_get_name), 0, 0, 1, 1},
  {&__pyx_n_s_get_option_values, __pyx_k_get_option_values, sizeof(__pyx_k_get_option_values), 0, 0, 1, 1},
  {&__pyx_n_s_get_pre_choices, __pyx_k_get_pre_choices, sizeof(__pyx_k_get_pre_choices), 0, 0, 1, 1},
  {&__pyx_n_s_get_sequence, __pyx_k_get_sequence, sizeof(__pyx_k_get_sequence), 0, 0, 1, 1},
  {&__pyx_n_s_get_sort_key, __pyx_k_get_sort_key, sizeof(__pyx_k_get_sort_key), 0, 0, 1, 1},
  {&__pyx_n_s_get_wrappings, __pyx_k_get_wrappings, sizeof(__pyx_k_get_wrappings), 0, 0, 1, 1},
  {&__pyx_n_s_groups, __pyx_k_groups, sizeof(__pyx_k_groups), 0, 0, 1, 1},
  {&__pyx_n_s_has_form, __pyx_k_has_form, sizeof(__pyx_k_has_form), 0, 0, 1, 1},
  {&__pyx_n_s_head, __pyx_k_head, sizeof(__pyx_k_head), 0, 0, 1, 1},
  {&__pyx_n_s_head_name, __pyx_k_head_name, sizeof(__pyx_k_head_name), 0, 0, 1, 1},
  {&__pyx_n_s_head_vars, __pyx_k_head_vars, sizeof(__pyx_k_head_vars), 0, 0, 1, 1},
  {&__pyx_n_s_ignore_oneidentity, __pyx_k_ignore_oneidentity, sizeof(__pyx_k_ignore_oneidentity), 0, 0, 1, 1},
  {&__pyx_n_s_import, __pyx_k_import, sizeof(__pyx_k_import), 0, 0, 1, 1},
  {&__pyx_n_s_include_flattened, __pyx_k_include_flattened, sizeof(__pyx_k_include_flattened), 0, 0, 1, 1},
  {&__pyx_n_s_included, __pyx_k_included, sizeof(__pyx_k_included), 0, 0, 1, 1},
  {&__pyx_n_s_init, __pyx_k_init, sizeof(__pyx_k_init), 0, 0, 1, 1},
  {&__pyx_n_s_is_atom, __pyx_k_is_atom, sizeof(__pyx_k_is_atom), 0, 0, 1, 1},
  {&__pyx_n_s_item, __pyx_k_item, sizeof(__pyx_k_item), 0, 0, 1, 1},
  {&__pyx_n_s_items, __pyx_k_items, sizeof(__pyx_k_items), 0, 0, 1, 1},
  {&__pyx_n_s_items_rest, __pyx_k_items_rest, sizeof(__pyx_k_items_rest), 0, 0, 1, 1},
  {&__pyx_n_s_itertools, __pyx_k_itertools, sizeof(__pyx_k_itertools), 0, 0, 1, 1},
  {&__pyx_n_s_key, __pyx_k_key, sizeof(__pyx_k_key), 0, 0, 1, 1},
  {&__pyx_n_s_leading_blanks, __pyx_k_leading_blanks, sizeof(__pyx_k_leading_blanks), 0, 0, 1, 1},
  {&__pyx_n_s_leaf, __pyx_k_leaf, sizeof(__pyx_k_leaf), 0, 0, 1, 1},
  {&__pyx_n_s_leaf_candidates, __pyx_k_leaf_candidates, sizeof(__pyx_k_leaf_candidates), 0, 0, 1, 1},
  {&__pyx_n_s_leaf_count, __pyx_k_leaf_count, sizeof(__pyx_k_leaf_count), 0, 0, 1, 1},
  {&__pyx_n_s_leaf_index, __pyx_k_leaf_index, sizeof(__pyx_k_leaf_index), 0, 0, 1, 1},
  {&__pyx_n_s_leaf_yield, __pyx_k_leaf_yield, sizeof(__pyx_k_leaf_yield), 0, 0, 1, 1},
  {&__pyx_n_s_leaves, __pyx_k_leaves, sizeof(__pyx_k_leaves), 0, 0, 1, 1},
  {&__pyx_n_s_less_first, __pyx_k_less_first, sizeof(__pyx_k_less_first), 0, 0, 1, 1},
  {&__pyx_n_s_main, __pyx_k_main, sizeof(__pyx_k_main), 0, 0, 1, 1},
  {&__pyx_n_s_match, __pyx_k_match, sizeof(__pyx_k_match), 0, 0, 1, 1},
  {&__pyx_n_s_match_count, __pyx_k_match_count, sizeof(__pyx_k_match_count), 0, 0, 1, 1},
  {&__pyx_n_s_match_leaf, __pyx_k_match_leaf, sizeof(__pyx_k_match_leaf), 0, 0, 1, 1},
  {&__pyx_n_s_match_yield, __pyx_k_match_yield, sizeof(__pyx_k_match_yield), 0, 0, 1, 1},
  {&__pyx_n_s_mathics_builtin, __pyx_k_mathics_builtin, sizeof(__pyx_k_mathics_builtin), 0, 0, 1, 1},
  {&__pyx_n_s_mathics_core_expression, __pyx_k_mathics_core_expression, sizeof(__pyx_k_mathics_core_expression), 0, 0, 1, 1},
  {&__pyx_n_s_mathics_core_pattern, __pyx_k_mathics_core_pattern, sizeof(__pyx_k_mathics_core_pattern), 0, 0, 1, 1},
  {&__pyx_kp_s_mathics_core_pattern_py, __pyx_k_mathics_core_pattern_py, sizeof(__pyx_k_mathics_core_pattern_py), 0, 0, 1, 0},
  {&__pyx_n_s_mathics_core_util, __pyx_k_mathics_core_util, sizeof(__pyx_k_mathics_core_util), 0, 0, 1, 1},
  {&__pyx_n_s_max_count, __pyx_k_max_count, sizeof(__pyx_k_max_count), 0, 0, 1, 1},
  {&__pyx_n_s_max_per_pattern, __pyx_k_max_per_pattern, sizeof(__pyx_k_max_per_pattern), 0, 0, 1, 1},
  {&__pyx_n_s_metaclass, __pyx_k_metaclass, sizeof(__pyx_k_metaclass), 0, 0, 1, 1},
  {&__pyx_n_s_module, __pyx_k_module, sizeof(__pyx_k_module), 0, 0, 1, 1},
  {&__pyx_n_s_name, __pyx_k_name, sizeof(__pyx_k_name), 0, 0, 1, 1},
  {&__pyx_n_s_name_2, __pyx_k_name_2, sizeof(__pyx_k_name_2), 0, 0, 1, 1},
  {&__pyx_n_s_needed, __pyx_k_needed, sizeof(__pyx_k_needed), 0, 0, 1, 1},
  {&__pyx_n_s_needed_leaf, __pyx_k_needed_leaf, sizeof(__pyx_k_needed_leaf), 0, 0, 1, 1},
  {&__pyx_n_s_new_expression, __pyx_k_new_expression, sizeof(__pyx_k_new_expression), 0, 0, 1, 1},
  {&__pyx_n_s_new_vars, __pyx_k_new_vars, sizeof(__pyx_k_new_vars), 0, 0, 1, 1},
  {&__pyx_n_s_next, __pyx_k_next, sizeof(__pyx_k_next), 0, 0, 1, 1},
  {&__pyx_n_s_next_depth, __pyx_k_next_depth, sizeof(__pyx_k_next_depth), 0, 0, 1, 1},
  {&__pyx_n_s_next_index, __pyx_k_next_index, sizeof(__pyx_k_next_index), 0, 0, 1, 1},
  {&__pyx_n_s_next_leaf, __pyx_k_next_leaf, sizeof(__pyx_k_next_leaf), 0, 0, 1, 1},
  {&__pyx_n_s_next_leaves, __pyx_k_next_leaves, sizeof(__pyx_k_next_leaves), 0, 0, 1, 1},
  {&__pyx_n_s_next_rest, __pyx_k_next_rest, sizeof(__pyx_k_next_rest), 0, 0, 1, 1},
  {&__pyx_n_s_next_rest_leaves, __pyx_k_next_rest_leaves, sizeof(__pyx_k_next_rest_leaves), 0, 0, 1, 1},
  {&__pyx_n_s_next_vars, __pyx_k_next_vars, sizeof(__pyx_k_next_vars), 0, 0, 1, 1},
  {&__pyx_n_s_object, __pyx_k_object, sizeof(__pyx_k_object), 0, 0, 1, 1},
  {&__pyx_n_s_other, __pyx_k_other, sizeof(__pyx_k_other), 0, 0, 1, 1},
  {&__pyx_n_s_pattern, __pyx_k_pattern, sizeof(__pyx_k_pattern), 0, 0, 1, 1},
  {&__pyx_n_s_pattern_object, __pyx_k_pattern_object, sizeof(__pyx_k_pattern_object), 0, 0, 1, 1},
  {&__pyx_n_s_pattern_objects, __pyx_k_pattern_objects, sizeof(__pyx_k_pattern_objects), 0, 0, 1, 1},
  {&__pyx_n_s_pattern_sequence, __pyx_k_pattern_sequence, sizeof(__pyx_k_pattern_sequence), 0, 0, 1, 1},
  {&__pyx_n_s_pattern_sort, __pyx_k_pattern_sort, sizeof(__pyx_k_pattern_sort), 0, 0, 1, 1},
  {&__pyx_n_s_patterns, __pyx_k_patterns, sizeof(__pyx_k_patterns), 0, 0, 1, 1},
  {&__pyx_n_s_per_expr, __pyx_k_per_expr, sizeof(__pyx_k_per_expr), 0, 0, 1, 1},
  {&__pyx_n_s_per_name, __pyx_k_per_name, sizeof(__pyx_k_per_name), 0, 0, 1, 1},
  {&__pyx_n_s_per_pattern, __pyx_k_per_pattern, sizeof(__pyx_k_per_pattern), 0, 0, 1, 1},
  {&__pyx_n_s_perm, __pyx_k_perm, sizeof(__pyx_k_perm), 0, 0, 1, 1},
  {&__pyx_n_s_permutations, __pyx_k_permutations, sizeof(__pyx_k_permutations), 0, 0, 1, 1},
  {&__pyx_n_s_popitem, __pyx_k_popitem, sizeof(__pyx_k_popitem), 0, 0, 1, 1},
  {&__pyx_n_s_pre_vars, __pyx_k_pre_vars, sizeof(__pyx_k_pre_vars), 0, 0, 1, 1},
  {&__pyx_n_s_prepare, __pyx_k_prepare, sizeof(__pyx_k_prepare), 0, 0, 1, 1},
  {&__pyx_n_s_prev_name, __pyx_k_prev_name, sizeof(__pyx_k_prev_name), 0, 0, 1, 1},
  {&__pyx_n_s_prev_pattern, __pyx_k_prev_pattern, sizeof(__pyx_k_prev_pattern), 0, 0, 1, 1},
  {&__pyx_n_s_qualname, __pyx_k_qualname, sizeof(__pyx_k_qualname), 0, 0, 1, 1},
  {&__pyx_n_s_range, __pyx_k_range, sizeof(__pyx_k_range), 0, 0, 1, 1},
  {&__pyx_n_s_remove, __pyx_k_remove, sizeof(__pyx_k_remove), 0, 0, 1, 1},
  {&__pyx_n_s_repr, __pyx_k_repr, sizeof(__pyx_k_repr), 0, 0, 1, 1},
  {&__pyx_n_s_rest, __pyx_k_rest, sizeof(__pyx_k_rest), 0, 0, 1, 1},
  {&__pyx_n_s_rest_expression, __pyx_k_rest_expression, sizeof(__pyx_k_rest_expression), 0, 0, 1, 1},
  {&__pyx_n_s_rest_leaves, __pyx_k_rest_leaves, sizeof(__pyx_k_rest_leaves), 0, 0, 1, 1},
  {&__pyx_n_s_return, __pyx_k_return, sizeof(__pyx_k_return), 0, 0, 1, 1},
  {&__pyx_n_s_sameQ, __pyx_k_sameQ, sizeof(__pyx_k_sameQ), 0, 0, 1, 1},
  {&__pyx_n_s_self, __pyx_k_self, sizeof(__pyx_k_self), 0, 0, 1, 1},
  {&__pyx_n_s_send, __pyx_k_send, sizeof(__pyx_k_send), 0, 0, 1, 1},
  {&__pyx_n_s_sequence, __pyx_k_sequence, sizeof(__pyx_k_sequence), 0, 0, 1, 1},
  {&__pyx_n_s_set_lengths, __pyx_k_set_lengths, sizeof(__pyx_k_set_lengths), 0, 0, 1, 1},
  {&__pyx_n_s_sets, __pyx_k_sets, sizeof(__pyx_k_sets), 0, 0, 1, 1},
  {&__pyx_n_s_setting, __pyx_k_setting, sizeof(__pyx_k_setting), 0, 0, 1, 1},
  {&__pyx_n_s_sort, __pyx_k_sort, sizeof(__pyx_k_sort), 0, 0, 1, 1},
  {&__pyx_n_s_staticmethod, __pyx_k_staticmethod, sizeof(__pyx_k_staticmethod), 0, 0, 1, 1},
  {&__pyx_n_s_sub_match_count, __pyx_k_sub_match_count, sizeof(__pyx_k_sub_match_count), 0, 0, 1, 1},
  {&__pyx_n_s_sub_vars, __pyx_k_sub_vars, sizeof(__pyx_k_sub_vars), 0, 0, 1, 1},
  {&__pyx_n_s_subranges, __pyx_k_subranges, sizeof(__pyx_k_subranges), 0, 0, 1, 1},
  {&__pyx_n_s_subsets, __pyx_k_subsets, sizeof(__pyx_k_subsets), 0, 0, 1, 1},
  {&__pyx_n_s_sum, __pyx_k_sum, sizeof(__pyx_k_sum), 0, 0, 1, 1},
  {&__pyx_n_s_system_symbols, __pyx_k_system_symbols, sizeof(__pyx_k_system_symbols), 0, 0, 1, 1},
  {&__pyx_n_s_test, __pyx_k_test, sizeof(__pyx_k_test), 0, 0, 1, 1},
  {&__pyx_n_s_throw, __pyx_k_throw, sizeof(__pyx_k_throw), 0, 0, 1, 1},
  {&__pyx_n_s_try_flattened, __pyx_k_try_flattened, sizeof(__pyx_k_try_flattened), 0, 0, 1, 1},
  {&__pyx_n_s_unmatched_leaves, __pyx_k_unmatched_leaves, sizeof(__pyx_k_unmatched_leaves), 0, 0, 1, 1},
  {&__pyx_n_s_value, __pyx_k_value, sizeof(__pyx_k_value), 0, 0, 1, 1},
  {&__pyx_n_s_varname, __pyx_k_varname, sizeof(__pyx_k_varname), 0, 0, 1, 1},
  {&__pyx_n_s_vars, __pyx_k_vars, sizeof(__pyx_k_vars), 0, 0, 1, 1},
  {&__pyx_n_s_wrap_oneid, __pyx_k_wrap_oneid, sizeof(__pyx_k_wrap_oneid), 0, 0, 1, 1},
  {&__pyx_n_s_wrapping, __pyx_k_wrapping, sizeof(__pyx_k_wrapping), 0, 0, 1, 1},
  {&__pyx_n_s_wrappings, __pyx_k_wrappings, sizeof(__pyx_k_wrappings), 0, 0, 1, 1},
  {&__pyx_n_s_yield_choice, __pyx_k_yield_choice, sizeof(__pyx_k_yield_choice), 0, 0, 1, 1},
  {&__pyx_n_s_yield_expr, __pyx_k_yield_expr, sizeof(__pyx_k_yield_expr), 0, 0, 1, 1},
  {&__pyx_n_s_yield_func, __pyx_k_yield_func, sizeof(__pyx_k_yield_func), 0, 0, 1, 1},
  {&__pyx_n_s_yield_head, __pyx_k_yield_head, sizeof(__pyx_k_yield_head), 0, 0, 1, 1},
  {&__pyx_n_s_yield_match, __pyx_k_yield_match, sizeof(__pyx_k_yield_match), 0, 0, 1, 1},
  {&__pyx_n_s_yield_name, __pyx_k_yield_name, sizeof(__pyx_k_yield_name), 0, 0, 1, 1},
  {&__pyx_n_s_yield_next, __pyx_k_yield_next, sizeof(__pyx_k_yield_next), 0, 0, 1, 1},
  {&__pyx_n_s_yield_wrapping, __pyx_k_yield_wrapping, sizeof(__pyx_k_yield_wrapping), 0, 0, 1, 1},
  {0, 0, 0, 0, 0, 0, 0}
};
static CYTHON_SMALL_CODE int __Pyx_InitCachedBuiltins(void) {
  __pyx_builtin_object = __Pyx_GetBuiltinName(__pyx_n_s_object); if (!__pyx_builtin_object) __PYX_ERR(0, 44, __pyx_L1_error)
  __pyx_builtin_staticmethod = __Pyx_GetBuiltinName(__pyx_n_s_staticmethod); if (!__pyx_builtin_staticmethod) __PYX_ERR(0, 45, __pyx_L1_error)
  __pyx_builtin_NotImplementedError = __Pyx_GetBuiltinName(__pyx_n_s_NotImplementedError); if (!__pyx_builtin_NotImplementedError) __PYX_ERR(0, 59, __pyx_L1_error)
  __pyx_builtin_range = __Pyx_GetBuiltinName(__pyx_n_s_range); if (!__pyx_builtin_range) __PYX_ERR(0, 393, __pyx_L1_error)
  return 0;
  __pyx_L1_error:;
  return -1;
}

static CYTHON_SMALL_CODE int __Pyx_InitCachedConstants(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);

  /* "mathics/core/pattern.py":80
 *         #    return True
 * 
 *         def yield_match(sub_vars, rest):             # <<<<<<<<<<<<<<
 *             raise StopGenerator_Pattern(True)
 * 
 */
  __pyx_tuple_ = PyTuple_Pack(2, __pyx_n_s_sub_vars, __pyx_n_s_rest); if (unlikely(!__pyx_tuple_)) __PYX_ERR(0, 80, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple_);
  __Pyx_GIVEREF(__pyx_tuple_);
  __pyx_codeobj__2 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple_, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_yield_match, 80, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__2)) __PYX_ERR(0, 80, __pyx_L1_error)

  /* "mathics/core/pattern.py":165
 * 
 *     def get_match_count(self, vars={}):
 *         return (1, 1)             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_tuple__3 = PyTuple_Pack(2, __pyx_int_1, __pyx_int_1); if (unlikely(!__pyx_tuple__3)) __PYX_ERR(0, 165, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__3);
  __Pyx_GIVEREF(__pyx_tuple__3);

  /* "mathics/core/pattern.py":202
 *             def yield_choice(pre_vars):
 *                 next_leaf = self.leaves[0]
 *                 next_leaves = self.leaves[1:]             # <<<<<<<<<<<<<<
 * 
 *                 # "leading_blanks" below handles expressions with leading Blanks H[x_, y_, ...]
 */
  __pyx_slice__4 = PySlice_New(__pyx_int_1, Py_None, Py_None); if (unlikely(!__pyx_slice__4)) __PYX_ERR(0, 202, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_slice__4);
  __Pyx_GIVEREF(__pyx_slice__4);

  /* "mathics/core/pattern.py":200
 *             #    next_leaves = self.leaves[1:]
 * 
 *             def yield_choice(pre_vars):             # <<<<<<<<<<<<<<
 *                 next_leaf = self.leaves[0]
 *                 next_leaves = self.leaves[1:]
 */
  __pyx_tuple__6 = PyTuple_Pack(8, __pyx_n_s_pre_vars, __pyx_n_s_next_leaf, __pyx_n_s_next_leaves, __pyx_n_s_unmatched_leaves, __pyx_n_s_leading_blanks, __pyx_n_s_leaf, __pyx_n_s_match_count, __pyx_n_s_candidates); if (unlikely(!__pyx_tuple__6)) __PYX_ERR(0, 200, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__6);
  __Pyx_GIVEREF(__pyx_tuple__6);
  __pyx_codeobj__7 = (PyObject*)__Pyx_PyCode_New(1, 0, 8, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__6, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_yield_choice, 200, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__7)) __PYX_ERR(0, 200, __pyx_L1_error)

  /* "mathics/core/pattern.py":275
 *             # for head_vars, _ in self.head.match(expression.get_head(), vars,
 *             # evaluation):
 *             def yield_head(head_vars, _):             # <<<<<<<<<<<<<<
 *                 if self.leaves:
 *                     # pre_choices = self.get_pre_choices(
 */
  __pyx_tuple__8 = PyTuple_Pack(2, __pyx_n_s_head_vars, __pyx_n_s__5); if (unlikely(!__pyx_tuple__8)) __PYX_ERR(0, 275, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__8);
  __Pyx_GIVEREF(__pyx_tuple__8);
  __pyx_codeobj__9 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__8, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_yield_head, 275, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__9)) __PYX_ERR(0, 275, __pyx_L1_error)

  /* "mathics/core/pattern.py":413
 *                         for wrapping in wrappings:
 *                             # for next in per_name(groups[1:], vars):
 *                             def yield_next(next):             # <<<<<<<<<<<<<<
 *                                 setting = next.copy()
 *                                 setting[name] = wrapping
 */
  __pyx_tuple__10 = PyTuple_Pack(2, __pyx_n_s_next, __pyx_n_s_setting); if (unlikely(!__pyx_tuple__10)) __PYX_ERR(0, 413, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__10);
  __Pyx_GIVEREF(__pyx_tuple__10);
  __pyx_codeobj__11 = (PyObject*)__Pyx_PyCode_New(1, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__10, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_yield_next, 413, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__11)) __PYX_ERR(0, 413, __pyx_L1_error)

  /* "mathics/core/pattern.py":383
 *                     # sum = 0
 * 
 *                     def per_expr(yield_expr, expr_groups, sum=0):             # <<<<<<<<<<<<<<
 *                         """
 *                         Yields possible values (sequence lists) for the current
 */
  __pyx_tuple__12 = PyTuple_Pack(8, __pyx_n_s_yield_expr, __pyx_n_s_expr_groups, __pyx_n_s_sum, __pyx_n_s_expr, __pyx_n_s_count, __pyx_n_s_max_per_pattern, __pyx_n_s_per_pattern, __pyx_n_s_next); if (unlikely(!__pyx_tuple__12)) __PYX_ERR(0, 383, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__12);
  __Pyx_GIVEREF(__pyx_tuple__12);
  __pyx_codeobj__13 = (PyObject*)__Pyx_PyCode_New(3, 0, 8, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__12, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_per_expr, 383, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__13)) __PYX_ERR(0, 383, __pyx_L1_error)
  __pyx_tuple__14 = PyTuple_Pack(1, ((PyObject *)__pyx_int_0)); if (unlikely(!__pyx_tuple__14)) __PYX_ERR(0, 383, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__14);
  __Pyx_GIVEREF(__pyx_tuple__14);

  /* "mathics/core/pattern.py":405
 * 
 *                     # for sequence in per_expr(expr_groups.items()):
 *                     def yield_expr(sequence):             # <<<<<<<<<<<<<<
 *                         # FIXME: this call is wrong and needs a
 *                         # wrapper_function as the 1st parameter.
 */
  __pyx_tuple__15 = PyTuple_Pack(5, __pyx_n_s_sequence, __pyx_n_s_wrappings, __pyx_n_s_wrapping, __pyx_n_s_yield_next, __pyx_n_s_yield_next); if (unlikely(!__pyx_tuple__15)) __PYX_ERR(0, 405, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__15);
  __Pyx_GIVEREF(__pyx_tuple__15);
  __pyx_codeobj__16 = (PyObject*)__Pyx_PyCode_New(1, 0, 5, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__15, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_yield_expr, 405, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__16)) __PYX_ERR(0, 405, __pyx_L1_error)

  /* "mathics/core/pattern.py":361
 *                 expr_groups[leaf] = expr_groups.get(leaf, 0) + 1
 * 
 *             def per_name(yield_name, groups, vars):             # <<<<<<<<<<<<<<
 *                 """
 *                 Yields possible variable settings (dictionaries) for the
 */
  __pyx_tuple__17 = PyTuple_Pack(12, __pyx_n_s_yield_name, __pyx_n_s_groups, __pyx_n_s_vars, __pyx_n_s_name, __pyx_n_s_patterns, __pyx_n_s_match_count, __pyx_n_s_pattern, __pyx_n_s_sub_match_count, __pyx_n_s_per_expr, __pyx_n_s_per_expr, __pyx_n_s_yield_expr, __pyx_n_s_yield_expr); if (unlikely(!__pyx_tuple__17)) __PYX_ERR(0, 361, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__17);
  __Pyx_GIVEREF(__pyx_tuple__17);
  __pyx_codeobj__18 = (PyObject*)__Pyx_PyCode_New(3, 0, 12, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__17, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_per_name, 361, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__18)) __PYX_ERR(0, 361, __pyx_L1_error)

  /* "mathics/core/pattern.py":461
 *                 if "System`Orderless" in attributes:
 *                     for perm in permutations(items):
 *                         sequence = Expression("Sequence", *perm)             # <<<<<<<<<<<<<<
 *                         sequence.pattern_sequence = True
 *                         yield_func(sequence)
 */
  __pyx_tuple__19 = PyTuple_Pack(1, __pyx_n_u_Sequence); if (unlikely(!__pyx_tuple__19)) __PYX_ERR(0, 461, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__19);
  __Pyx_GIVEREF(__pyx_tuple__19);

  /* "mathics/core/pattern.py":514
 *             leaf.get_head_name()
 *             in (
 *                 system_symbols(             # <<<<<<<<<<<<<<
 *                     "Pattern",
 *                     "PatternTest",
 */
  __pyx_tuple__20 = PyTuple_Pack(11, __pyx_n_u_Pattern, __pyx_n_u_PatternTest, __pyx_n_u_Condition, __pyx_n_u_Optional, __pyx_n_u_Blank, __pyx_n_u_BlankSequence, __pyx_n_u_BlankNullSequence, __pyx_n_u_Alternatives, __pyx_n_u_OptionsPattern, __pyx_n_u_Repeated, __pyx_n_u_RepeatedNull); if (unlikely(!__pyx_tuple__20)) __PYX_ERR(0, 514, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__20);
  __Pyx_GIVEREF(__pyx_tuple__20);

  /* "mathics/core/pattern.py":563
 *                     else:
 *                         needed = [existing]
 *                     available = candidates[:]             # <<<<<<<<<<<<<<
 *                     for needed_leaf in needed:
 *                         if (
 */
  __pyx_slice__21 = PySlice_New(Py_None, Py_None, Py_None); if (unlikely(!__pyx_slice__21)) __PYX_ERR(0, 563, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_slice__21);
  __Pyx_GIVEREF(__pyx_slice__21);

  /* "mathics/core/pattern.py":606
 *             # Don't try flattened when the expression would remain the same!
 * 
 *             def leaf_yield(next_vars, next_rest):             # <<<<<<<<<<<<<<
 *                 # if next_rest is None:
 *                 #    next_rest = ([], [])
 */
  __pyx_tuple__22 = PyTuple_Pack(2, __pyx_n_s_next_vars, __pyx_n_s_next_rest); if (unlikely(!__pyx_tuple__22)) __PYX_ERR(0, 606, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__22);
  __Pyx_GIVEREF(__pyx_tuple__22);
  __pyx_codeobj__23 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__22, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_leaf_yield, 606, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__23)) __PYX_ERR(0, 606, __pyx_L1_error)

  /* "mathics/core/pattern.py":621
 *                     )
 * 
 *             def match_yield(new_vars, _):             # <<<<<<<<<<<<<<
 *                 if rest_leaves:
 *                     self.match_leaf(
 */
  __pyx_tuple__24 = PyTuple_Pack(2, __pyx_n_s_new_vars, __pyx_n_s__5); if (unlikely(!__pyx_tuple__24)) __PYX_ERR(0, 621, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__24);
  __Pyx_GIVEREF(__pyx_tuple__24);
  __pyx_codeobj__25 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__24, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_match_yield, 621, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__25)) __PYX_ERR(0, 621, __pyx_L1_error)

  /* "mathics/core/pattern.py":642
 *                         yield_func(new_vars, items_rest)
 * 
 *             def yield_wrapping(item):             # <<<<<<<<<<<<<<
 *                 leaf.match(
 *                     match_yield,
 */
  __pyx_tuple__26 = PyTuple_Pack(1, __pyx_n_s_item); if (unlikely(!__pyx_tuple__26)) __PYX_ERR(0, 642, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__26);
  __Pyx_GIVEREF(__pyx_tuple__26);
  __pyx_codeobj__27 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__26, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_yield_wrapping, 642, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__27)) __PYX_ERR(0, 642, __pyx_L1_error)

  /* "mathics/core/pattern.py":16
 * 
 * 
 * def Pattern_create(expr):             # <<<<<<<<<<<<<<
 *     from mathics.builtin import pattern_objects
 * 
 */
  __pyx_tuple__28 = PyTuple_Pack(4, __pyx_n_s_expr, __pyx_n_s_pattern_objects, __pyx_n_s_name, __pyx_n_s_pattern_object); if (unlikely(!__pyx_tuple__28)) __PYX_ERR(0, 16, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__28);
  __Pyx_GIVEREF(__pyx_tuple__28);
  __pyx_codeobj__29 = (PyObject*)__Pyx_PyCode_New(1, 0, 4, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__28, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_Pattern_create, 16, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__29)) __PYX_ERR(0, 16, __pyx_L1_error)

  /* "mathics/core/pattern.py":32
 * 
 * class StopGenerator(Exception):
 *     def __init__(self, value=None):             # <<<<<<<<<<<<<<
 *         self.value = value
 * 
 */
  __pyx_tuple__30 = PyTuple_Pack(2, __pyx_n_s_self, __pyx_n_s_value); if (unlikely(!__pyx_tuple__30)) __PYX_ERR(0, 32, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__30);
  __Pyx_GIVEREF(__pyx_tuple__30);
  __pyx_codeobj__31 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__30, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_init, 32, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__31)) __PYX_ERR(0, 32, __pyx_L1_error)
  __pyx_tuple__32 = PyTuple_Pack(1, ((PyObject *)Py_None)); if (unlikely(!__pyx_tuple__32)) __PYX_ERR(0, 32, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__32);
  __Pyx_GIVEREF(__pyx_tuple__32);

  /* "mathics/core/pattern.py":44
 * 
 * 
 * class Pattern(object):             # <<<<<<<<<<<<<<
 *     create = staticmethod(Pattern_create)
 * 
 */
  __pyx_tuple__33 = PyTuple_Pack(1, __pyx_builtin_object); if (unlikely(!__pyx_tuple__33)) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__33);
  __Pyx_GIVEREF(__pyx_tuple__33);

  /* "mathics/core/pattern.py":47
 *     create = staticmethod(Pattern_create)
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
  __pyx_tuple__34 = PyTuple_Pack(10, __pyx_n_s_self, __pyx_n_s_yield_func, __pyx_n_s_expression, __pyx_n_s_vars, __pyx_n_s_evaluation, __pyx_n_s_head, __pyx_n_s_leaf_index, __pyx_n_s_leaf_count, __pyx_n_s_fully, __pyx_n_s_wrap_oneid); if (unlikely(!__pyx_tuple__34)) __PYX_ERR(0, 47, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__34);
  __Pyx_GIVEREF(__pyx_tuple__34);
  __pyx_codeobj__35 = (PyObject*)__Pyx_PyCode_New(10, 0, 10, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__34, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_match, 47, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__35)) __PYX_ERR(0, 47, __pyx_L1_error)
  __pyx_tuple__36 = PyTuple_Pack(5, ((PyObject *)Py_None), ((PyObject *)Py_None), ((PyObject *)Py_None), ((PyObject *)Py_True), ((PyObject *)Py_True)); if (unlikely(!__pyx_tuple__36)) __PYX_ERR(0, 47, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__36);
  __Pyx_GIVEREF(__pyx_tuple__36);

  /* "mathics/core/pattern.py":72
 *         return result"""
 * 
 *     def does_match(self, expression, evaluation, vars=None, fully=True):             # <<<<<<<<<<<<<<
 * 
 *         if vars is None:
 */
  __pyx_tuple__37 = PyTuple_Pack(8, __pyx_n_s_self, __pyx_n_s_expression, __pyx_n_s_evaluation, __pyx_n_s_vars, __pyx_n_s_fully, __pyx_n_s_yield_match, __pyx_n_s_yield_match, __pyx_n_s_exc); if (unlikely(!__pyx_tuple__37)) __PYX_ERR(0, 72, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__37);
  __Pyx_GIVEREF(__pyx_tuple__37);
  __pyx_codeobj__38 = (PyObject*)__Pyx_PyCode_New(5, 0, 8, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__37, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_does_match, 72, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__38)) __PYX_ERR(0, 72, __pyx_L1_error)
  __pyx_tuple__39 = PyTuple_Pack(2, ((PyObject *)Py_None), ((PyObject *)Py_True)); if (unlikely(!__pyx_tuple__39)) __PYX_ERR(0, 72, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__39);
  __Pyx_GIVEREF(__pyx_tuple__39);

  /* "mathics/core/pattern.py":89
 *         return False
 * 
 *     def get_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_name()
 * 
 */
  __pyx_tuple__40 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__40)) __PYX_ERR(0, 89, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__40);
  __Pyx_GIVEREF(__pyx_tuple__40);
  __pyx_codeobj__41 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__40, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_name, 89, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__41)) __PYX_ERR(0, 89, __pyx_L1_error)

  /* "mathics/core/pattern.py":92
 *         return self.expr.get_name()
 * 
 *     def is_atom(self):             # <<<<<<<<<<<<<<
 *         return self.expr.is_atom()
 * 
 */
  __pyx_tuple__42 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__42)) __PYX_ERR(0, 92, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__42);
  __Pyx_GIVEREF(__pyx_tuple__42);
  __pyx_codeobj__43 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__42, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_is_atom, 92, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__43)) __PYX_ERR(0, 92, __pyx_L1_error)

  /* "mathics/core/pattern.py":95
 *         return self.expr.is_atom()
 * 
 *     def get_head_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_head_name()
 * 
 */
  __pyx_tuple__44 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__44)) __PYX_ERR(0, 95, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__44);
  __Pyx_GIVEREF(__pyx_tuple__44);
  __pyx_codeobj__45 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__44, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_head_name, 95, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__45)) __PYX_ERR(0, 95, __pyx_L1_error)

  /* "mathics/core/pattern.py":98
 *         return self.expr.get_head_name()
 * 
 *     def sameQ(self, other) -> bool:             # <<<<<<<<<<<<<<
 *         """Mathics SameQ"""
 *         return self.expr.sameQ(other.expr)
 */
  __pyx_tuple__46 = PyTuple_Pack(2, __pyx_n_s_self, __pyx_n_s_other); if (unlikely(!__pyx_tuple__46)) __PYX_ERR(0, 98, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__46);
  __Pyx_GIVEREF(__pyx_tuple__46);
  __pyx_codeobj__47 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__46, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_sameQ, 98, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__47)) __PYX_ERR(0, 98, __pyx_L1_error)

  /* "mathics/core/pattern.py":102
 *         return self.expr.sameQ(other.expr)
 * 
 *     def get_head(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_head()
 * 
 */
  __pyx_tuple__48 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__48)) __PYX_ERR(0, 102, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__48);
  __Pyx_GIVEREF(__pyx_tuple__48);
  __pyx_codeobj__49 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__48, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_head, 102, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__49)) __PYX_ERR(0, 102, __pyx_L1_error)

  /* "mathics/core/pattern.py":105
 *         return self.expr.get_head()
 * 
 *     def get_leaves(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_leaves()
 * 
 */
  __pyx_tuple__50 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__50)) __PYX_ERR(0, 105, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__50);
  __Pyx_GIVEREF(__pyx_tuple__50);
  __pyx_codeobj__51 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__50, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_leaves, 105, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__51)) __PYX_ERR(0, 105, __pyx_L1_error)

  /* "mathics/core/pattern.py":108
 *         return self.expr.get_leaves()
 * 
 *     def get_sort_key(self, pattern_sort=False):             # <<<<<<<<<<<<<<
 *         return self.expr.get_sort_key(pattern_sort=pattern_sort)
 * 
 */
  __pyx_tuple__52 = PyTuple_Pack(2, __pyx_n_s_self, __pyx_n_s_pattern_sort); if (unlikely(!__pyx_tuple__52)) __PYX_ERR(0, 108, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__52);
  __Pyx_GIVEREF(__pyx_tuple__52);
  __pyx_codeobj__53 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__52, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_sort_key, 108, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__53)) __PYX_ERR(0, 108, __pyx_L1_error)
  __pyx_tuple__54 = PyTuple_Pack(1, ((PyObject *)Py_False)); if (unlikely(!__pyx_tuple__54)) __PYX_ERR(0, 108, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__54);
  __Pyx_GIVEREF(__pyx_tuple__54);

  /* "mathics/core/pattern.py":111
 *         return self.expr.get_sort_key(pattern_sort=pattern_sort)
 * 
 *     def get_lookup_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_lookup_name()
 * 
 */
  __pyx_tuple__55 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__55)) __PYX_ERR(0, 111, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__55);
  __Pyx_GIVEREF(__pyx_tuple__55);
  __pyx_codeobj__56 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__55, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_lookup_name, 111, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__56)) __PYX_ERR(0, 111, __pyx_L1_error)

  /* "mathics/core/pattern.py":114
 *         return self.expr.get_lookup_name()
 * 
 *     def get_attributes(self, definitions):             # <<<<<<<<<<<<<<
 *         return self.expr.get_attributes(definitions)
 * 
 */
  __pyx_tuple__57 = PyTuple_Pack(2, __pyx_n_s_self, __pyx_n_s_definitions); if (unlikely(!__pyx_tuple__57)) __PYX_ERR(0, 114, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__57);
  __Pyx_GIVEREF(__pyx_tuple__57);
  __pyx_codeobj__58 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__57, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_attributes, 114, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__58)) __PYX_ERR(0, 114, __pyx_L1_error)

  /* "mathics/core/pattern.py":117
 *         return self.expr.get_attributes(definitions)
 * 
 *     def get_sequence(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_sequence()
 * 
 */
  __pyx_tuple__59 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__59)) __PYX_ERR(0, 117, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__59);
  __Pyx_GIVEREF(__pyx_tuple__59);
  __pyx_codeobj__60 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__59, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_sequence, 117, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__60)) __PYX_ERR(0, 117, __pyx_L1_error)

  /* "mathics/core/pattern.py":120
 *         return self.expr.get_sequence()
 * 
 *     def get_option_values(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_option_values()
 * 
 */
  __pyx_tuple__61 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__61)) __PYX_ERR(0, 120, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__61);
  __Pyx_GIVEREF(__pyx_tuple__61);
  __pyx_codeobj__62 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__61, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_option_values, 120, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__62)) __PYX_ERR(0, 120, __pyx_L1_error)

  /* "mathics/core/pattern.py":123
 *         return self.expr.get_option_values()
 * 
 *     def has_form(self, *args):             # <<<<<<<<<<<<<<
 *         return self.expr.has_form(*args)
 * 
 */
  __pyx_tuple__63 = PyTuple_Pack(2, __pyx_n_s_self, __pyx_n_s_args); if (unlikely(!__pyx_tuple__63)) __PYX_ERR(0, 123, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__63);
  __Pyx_GIVEREF(__pyx_tuple__63);
  __pyx_codeobj__64 = (PyObject*)__Pyx_PyCode_New(1, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS|CO_VARARGS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__63, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_has_form, 123, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__64)) __PYX_ERR(0, 123, __pyx_L1_error)

  /* "mathics/core/pattern.py":126
 *         return self.expr.has_form(*args)
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         return []
 * 
 */
  __pyx_tuple__65 = PyTuple_Pack(6, __pyx_n_s_self, __pyx_n_s_leaves, __pyx_n_s_expression, __pyx_n_s_attributes, __pyx_n_s_evaluation, __pyx_n_s_vars); if (unlikely(!__pyx_tuple__65)) __PYX_ERR(0, 126, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__65);
  __Pyx_GIVEREF(__pyx_tuple__65);
  __pyx_codeobj__66 = (PyObject*)__Pyx_PyCode_New(6, 0, 6, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__65, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_match_candidates, 126, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__66)) __PYX_ERR(0, 126, __pyx_L1_error)

  /* "mathics/core/pattern.py":129
 *         return []
 * 
 *     def get_match_candidates_count(             # <<<<<<<<<<<<<<
 *         self, leaves, expression, attributes, evaluation, vars={}
 *     ):
 */
  __pyx_tuple__67 = PyTuple_Pack(6, __pyx_n_s_self, __pyx_n_s_leaves, __pyx_n_s_expression, __pyx_n_s_attributes, __pyx_n_s_evaluation, __pyx_n_s_vars); if (unlikely(!__pyx_tuple__67)) __PYX_ERR(0, 129, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__67);
  __Pyx_GIVEREF(__pyx_tuple__67);
  __pyx_codeobj__68 = (PyObject*)__Pyx_PyCode_New(6, 0, 6, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__67, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_match_candidates_count, 129, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__68)) __PYX_ERR(0, 129, __pyx_L1_error)

  /* "mathics/core/pattern.py":138
 * 
 * class AtomPattern(Pattern):
 *     def __init__(self, expr):             # <<<<<<<<<<<<<<
 *         self.atom = expr
 *         self.expr = expr
 */
  __pyx_tuple__69 = PyTuple_Pack(2, __pyx_n_s_self, __pyx_n_s_expr); if (unlikely(!__pyx_tuple__69)) __PYX_ERR(0, 138, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__69);
  __Pyx_GIVEREF(__pyx_tuple__69);
  __pyx_codeobj__70 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__69, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_init, 138, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__70)) __PYX_ERR(0, 138, __pyx_L1_error)

  /* "mathics/core/pattern.py":142
 *         self.expr = expr
 * 
 *     def __repr__(self):             # <<<<<<<<<<<<<<
 *         return "<AtomPattern: %s>" % self.atom
 * 
 */
  __pyx_tuple__71 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__71)) __PYX_ERR(0, 142, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__71);
  __Pyx_GIVEREF(__pyx_tuple__71);
  __pyx_codeobj__72 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__71, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_repr, 142, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__72)) __PYX_ERR(0, 142, __pyx_L1_error)

  /* "mathics/core/pattern.py":145
 *         return "<AtomPattern: %s>" % self.atom
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
  __pyx_tuple__73 = PyTuple_Pack(10, __pyx_n_s_self, __pyx_n_s_yield_func, __pyx_n_s_expression, __pyx_n_s_vars, __pyx_n_s_evaluation, __pyx_n_s_head, __pyx_n_s_leaf_index, __pyx_n_s_leaf_count, __pyx_n_s_fully, __pyx_n_s_wrap_oneid); if (unlikely(!__pyx_tuple__73)) __PYX_ERR(0, 145, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__73);
  __Pyx_GIVEREF(__pyx_tuple__73);
  __pyx_codeobj__74 = (PyObject*)__Pyx_PyCode_New(10, 0, 10, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__73, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_match, 145, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__74)) __PYX_ERR(0, 145, __pyx_L1_error)
  __pyx_tuple__75 = PyTuple_Pack(5, ((PyObject *)Py_None), ((PyObject *)Py_None), ((PyObject *)Py_None), ((PyObject *)Py_True), ((PyObject *)Py_True)); if (unlikely(!__pyx_tuple__75)) __PYX_ERR(0, 145, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__75);
  __Pyx_GIVEREF(__pyx_tuple__75);

  /* "mathics/core/pattern.py":161
 *             yield_func(vars, None)
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         return [leaf for leaf in leaves if leaf.sameQ(self.atom)]
 * 
 */
  __pyx_tuple__76 = PyTuple_Pack(7, __pyx_n_s_self, __pyx_n_s_leaves, __pyx_n_s_expression, __pyx_n_s_attributes, __pyx_n_s_evaluation, __pyx_n_s_vars, __pyx_n_s_leaf); if (unlikely(!__pyx_tuple__76)) __PYX_ERR(0, 161, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__76);
  __Pyx_GIVEREF(__pyx_tuple__76);
  __pyx_codeobj__77 = (PyObject*)__Pyx_PyCode_New(6, 0, 7, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__76, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_match_candidates, 161, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__77)) __PYX_ERR(0, 161, __pyx_L1_error)

  /* "mathics/core/pattern.py":164
 *         return [leaf for leaf in leaves if leaf.sameQ(self.atom)]
 * 
 *     def get_match_count(self, vars={}):             # <<<<<<<<<<<<<<
 *         return (1, 1)
 * 
 */
  __pyx_tuple__78 = PyTuple_Pack(2, __pyx_n_s_self, __pyx_n_s_vars); if (unlikely(!__pyx_tuple__78)) __PYX_ERR(0, 164, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__78);
  __Pyx_GIVEREF(__pyx_tuple__78);
  __pyx_codeobj__79 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__78, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_match_count, 164, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__79)) __PYX_ERR(0, 164, __pyx_L1_error)

  /* "mathics/core/pattern.py":176
 *     # match = pattern_nocython.match
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
  __pyx_tuple__80 = PyTuple_Pack(17, __pyx_n_s_self, __pyx_n_s_yield_func, __pyx_n_s_expression, __pyx_n_s_vars, __pyx_n_s_evaluation, __pyx_n_s_head, __pyx_n_s_leaf_index, __pyx_n_s_leaf_count, __pyx_n_s_fully, __pyx_n_s_wrap_oneid, __pyx_n_s_attributes, __pyx_n_s_yield_choice, __pyx_n_s_yield_choice, __pyx_n_s_yield_head, __pyx_n_s_yield_head, __pyx_n_s_new_expression, __pyx_n_s_leaf); if (unlikely(!__pyx_tuple__80)) __PYX_ERR(0, 176, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__80);
  __Pyx_GIVEREF(__pyx_tuple__80);
  __pyx_codeobj__81 = (PyObject*)__Pyx_PyCode_New(10, 0, 17, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__80, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_match, 176, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__81)) __PYX_ERR(0, 176, __pyx_L1_error)
  __pyx_tuple__82 = PyTuple_Pack(5, ((PyObject *)Py_None), ((PyObject *)Py_None), ((PyObject *)Py_None), ((PyObject *)Py_True), ((PyObject *)Py_True)); if (unlikely(!__pyx_tuple__82)) __PYX_ERR(0, 176, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__82);
  __Pyx_GIVEREF(__pyx_tuple__82);

  /* "mathics/core/pattern.py":335
 *             )
 * 
 *     def get_pre_choices(self, yield_func, expression, attributes, vars):             # <<<<<<<<<<<<<<
 *         if "System`Orderless" in attributes:
 *             self.sort()
 */
  __pyx_tuple__83 = PyTuple_Pack(16, __pyx_n_s_self, __pyx_n_s_yield_func, __pyx_n_s_expression, __pyx_n_s_attributes, __pyx_n_s_vars, __pyx_n_s_patterns, __pyx_n_s_groups, __pyx_n_s_prev_pattern, __pyx_n_s_prev_name, __pyx_n_s_pattern, __pyx_n_s_name, __pyx_n_s_existing, __pyx_n_s_expr_groups, __pyx_n_s_leaf, __pyx_n_s_per_name, __pyx_n_s_per_name); if (unlikely(!__pyx_tuple__83)) __PYX_ERR(0, 335, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__83);
  __Pyx_GIVEREF(__pyx_tuple__83);
  __pyx_codeobj__84 = (PyObject*)__Pyx_PyCode_New(5, 0, 16, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__83, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_pre_choices, 335, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__84)) __PYX_ERR(0, 335, __pyx_L1_error)

  /* "mathics/core/pattern.py":431
 *             yield_func(vars)
 * 
 *     def __init__(self, expr):             # <<<<<<<<<<<<<<
 *         self.head = Pattern.create(expr.head)
 *         self.leaves = [Pattern.create(leaf) for leaf in expr.leaves]
 */
  __pyx_tuple__85 = PyTuple_Pack(3, __pyx_n_s_self, __pyx_n_s_expr, __pyx_n_s_leaf); if (unlikely(!__pyx_tuple__85)) __PYX_ERR(0, 431, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__85);
  __Pyx_GIVEREF(__pyx_tuple__85);
  __pyx_codeobj__86 = (PyObject*)__Pyx_PyCode_New(2, 0, 3, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__85, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_init, 431, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__86)) __PYX_ERR(0, 431, __pyx_L1_error)

  /* "mathics/core/pattern.py":436
 *         self.expr = expr
 * 
 *     def filter_leaves(self, head_name):             # <<<<<<<<<<<<<<
 *         head_name = ensure_context(head_name)
 *         return [leaf for leaf in self.leaves if leaf.get_head_name() == head_name]
 */
  __pyx_tuple__87 = PyTuple_Pack(3, __pyx_n_s_self, __pyx_n_s_head_name, __pyx_n_s_leaf); if (unlikely(!__pyx_tuple__87)) __PYX_ERR(0, 436, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__87);
  __Pyx_GIVEREF(__pyx_tuple__87);
  __pyx_codeobj__88 = (PyObject*)__Pyx_PyCode_New(2, 0, 3, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__87, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_filter_leaves, 436, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__88)) __PYX_ERR(0, 436, __pyx_L1_error)

  /* "mathics/core/pattern.py":440
 *         return [leaf for leaf in self.leaves if leaf.get_head_name() == head_name]
 * 
 *     def __repr__(self):             # <<<<<<<<<<<<<<
 *         return "<ExpressionPattern: %s>" % self.expr
 * 
 */
  __pyx_tuple__89 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__89)) __PYX_ERR(0, 440, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__89);
  __Pyx_GIVEREF(__pyx_tuple__89);
  __pyx_codeobj__90 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__89, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_repr, 440, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__90)) __PYX_ERR(0, 440, __pyx_L1_error)

  /* "mathics/core/pattern.py":443
 *         return "<ExpressionPattern: %s>" % self.expr
 * 
 *     def get_match_count(self, vars={}):             # <<<<<<<<<<<<<<
 *         return (1, 1)
 * 
 */
  __pyx_tuple__91 = PyTuple_Pack(2, __pyx_n_s_self, __pyx_n_s_vars); if (unlikely(!__pyx_tuple__91)) __PYX_ERR(0, 443, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__91);
  __Pyx_GIVEREF(__pyx_tuple__91);
  __pyx_codeobj__92 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__91, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_match_count, 443, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__92)) __PYX_ERR(0, 443, __pyx_L1_error)

  /* "mathics/core/pattern.py":446
 *         return (1, 1)
 * 
 *     def get_wrappings(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
  __pyx_tuple__93 = PyTuple_Pack(9, __pyx_n_s_self, __pyx_n_s_yield_func, __pyx_n_s_items, __pyx_n_s_max_count, __pyx_n_s_expression, __pyx_n_s_attributes, __pyx_n_s_include_flattened, __pyx_n_s_perm, __pyx_n_s_sequence); if (unlikely(!__pyx_tuple__93)) __PYX_ERR(0, 446, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__93);
  __Pyx_GIVEREF(__pyx_tuple__93);
  __pyx_codeobj__94 = (PyObject*)__Pyx_PyCode_New(7, 0, 9, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__93, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_wrappings, 446, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__94)) __PYX_ERR(0, 446, __pyx_L1_error)
  __pyx_tuple__95 = PyTuple_Pack(1, ((PyObject *)Py_True)); if (unlikely(!__pyx_tuple__95)) __PYX_ERR(0, 446, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__95);
  __Pyx_GIVEREF(__pyx_tuple__95);

  /* "mathics/core/pattern.py":471
 *                 yield_func(Expression(expression.get_head(), *items))
 * 
 *     def match_leaf(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
  __pyx_tuple__96 = PyTuple_Pack(41, __pyx_n_s_self, __pyx_n_s_yield_func, __pyx_n_s_leaf, __pyx_n_s_rest_leaves, __pyx_n_s_rest_expression, __pyx_n_s_vars, __pyx_n_s_expression, __pyx_n_s_attributes, __pyx_n_s_evaluation, __pyx_n_s_leaf_index, __pyx_n_s_leaf_count, __pyx_n_s_first, __pyx_n_s_fully, __pyx_n_s_depth, __pyx_n_s_wrap_oneid, __pyx_n_s_match_count, __pyx_n_s_leaf_candidates, __pyx_n_s_candidates, __pyx_n_s_try_flattened, __pyx_n_s_set_lengths, __pyx_n_s_less_first, __pyx_n_s_sets, __pyx_n_s_varname, __pyx_n_s_existing, __pyx_n_s_head, __pyx_n_s_needed, __pyx_n_s_available, __pyx_n_s_needed_leaf, __pyx_n_s_next_leaf, __pyx_n_s_next_rest_leaves, __pyx_n_s_next_depth, __pyx_n_s_next_index, __pyx_n_s_items, __pyx_n_s_items_rest, __pyx_n_s_include_flattened, __pyx_n_s_leaf_yield, __pyx_n_s_leaf_yield, __pyx_n_s_match_yield, __pyx_n_s_match_yield, __pyx_n_s_yield_wrapping, __pyx_n_s_yield_wrapping); if (unlikely(!__pyx_tuple__96)) __PYX_ERR(0, 471, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__96);
  __Pyx_GIVEREF(__pyx_tuple__96);
  __pyx_codeobj__97 = (PyObject*)__Pyx_PyCode_New(15, 0, 41, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__96, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_match_leaf, 471, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__97)) __PYX_ERR(0, 471, __pyx_L1_error)
  __pyx_tuple__98 = PyTuple_Pack(6, ((PyObject *)__pyx_int_1), ((PyObject *)Py_None), ((PyObject *)Py_False), ((PyObject *)Py_True), ((PyObject *)__pyx_int_1), ((PyObject *)Py_True)); if (unlikely(!__pyx_tuple__98)) __PYX_ERR(0, 471, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__98);
  __Pyx_GIVEREF(__pyx_tuple__98);

  /* "mathics/core/pattern.py":664
 *             )
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         """
 *         Finds possible leaves that could match the pattern, ignoring future
 */
  __pyx_tuple__99 = PyTuple_Pack(7, __pyx_n_s_self, __pyx_n_s_leaves, __pyx_n_s_expression, __pyx_n_s_attributes, __pyx_n_s_evaluation, __pyx_n_s_vars, __pyx_n_s_leaf); if (unlikely(!__pyx_tuple__99)) __PYX_ERR(0, 664, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__99);
  __Pyx_GIVEREF(__pyx_tuple__99);
  __pyx_codeobj__100 = (PyObject*)__Pyx_PyCode_New(6, 0, 7, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__99, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_match_candidates, 664, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__100)) __PYX_ERR(0, 664, __pyx_L1_error)

  /* "mathics/core/pattern.py":674
 *         return [leaf for leaf in leaves if self.does_match(leaf, evaluation, vars)]
 * 
 *     def get_match_candidates_count(             # <<<<<<<<<<<<<<
 *         self, leaves, expression, attributes, evaluation, vars={}
 *     ):
 */
  __pyx_tuple__101 = PyTuple_Pack(8, __pyx_n_s_self, __pyx_n_s_leaves, __pyx_n_s_expression, __pyx_n_s_attributes, __pyx_n_s_evaluation, __pyx_n_s_vars, __pyx_n_s_count, __pyx_n_s_leaf); if (unlikely(!__pyx_tuple__101)) __PYX_ERR(0, 674, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__101);
  __Pyx_GIVEREF(__pyx_tuple__101);
  __pyx_codeobj__102 = (PyObject*)__Pyx_PyCode_New(6, 0, 8, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__101, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_get_match_candidates_count, 674, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__102)) __PYX_ERR(0, 674, __pyx_L1_error)

  /* "mathics/core/pattern.py":690
 *         return count
 * 
 *     def sort(self):             # <<<<<<<<<<<<<<
 *         self.leaves.sort(key=lambda e: e.get_sort_key(pattern_sort=True))
 */
  __pyx_tuple__103 = PyTuple_Pack(1, __pyx_n_s_self); if (unlikely(!__pyx_tuple__103)) __PYX_ERR(0, 690, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__103);
  __Pyx_GIVEREF(__pyx_tuple__103);
  __pyx_codeobj__104 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, CO_OPTIMIZED|CO_NEWLOCALS, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_tuple__103, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_mathics_core_pattern_py, __pyx_n_s_sort, 690, __pyx_empty_bytes); if (unlikely(!__pyx_codeobj__104)) __PYX_ERR(0, 690, __pyx_L1_error)
  __Pyx_RefNannyFinishContext();
  return 0;
  __pyx_L1_error:;
  __Pyx_RefNannyFinishContext();
  return -1;
}

static CYTHON_SMALL_CODE int __Pyx_InitGlobals(void) {
  __pyx_umethod_PyDict_Type_get.type = (PyObject*)&PyDict_Type;
  __pyx_umethod_PyDict_Type_items.type = (PyObject*)&PyDict_Type;
  if (__Pyx_InitStrings(__pyx_string_tab) < 0) __PYX_ERR(0, 1, __pyx_L1_error);
  __pyx_int_0 = PyInt_FromLong(0); if (unlikely(!__pyx_int_0)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_int_1 = PyInt_FromLong(1); if (unlikely(!__pyx_int_1)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_int_neg_1 = PyInt_FromLong(-1); if (unlikely(!__pyx_int_neg_1)) __PYX_ERR(0, 1, __pyx_L1_error)
  return 0;
  __pyx_L1_error:;
  return -1;
}

static CYTHON_SMALL_CODE int __Pyx_modinit_global_init_code(void); /*proto*/
static CYTHON_SMALL_CODE int __Pyx_modinit_variable_export_code(void); /*proto*/
static CYTHON_SMALL_CODE int __Pyx_modinit_function_export_code(void); /*proto*/
static CYTHON_SMALL_CODE int __Pyx_modinit_type_init_code(void); /*proto*/
static CYTHON_SMALL_CODE int __Pyx_modinit_type_import_code(void); /*proto*/
static CYTHON_SMALL_CODE int __Pyx_modinit_variable_import_code(void); /*proto*/
static CYTHON_SMALL_CODE int __Pyx_modinit_function_import_code(void); /*proto*/

static int __Pyx_modinit_global_init_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_global_init_code", 0);
  /*--- Global init code ---*/
  __Pyx_RefNannyFinishContext();
  return 0;
}

static int __Pyx_modinit_variable_export_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_variable_export_code", 0);
  /*--- Variable export code ---*/
  __Pyx_RefNannyFinishContext();
  return 0;
}

static int __Pyx_modinit_function_export_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_function_export_code", 0);
  /*--- Function export code ---*/
  __Pyx_RefNannyFinishContext();
  return 0;
}

static int __Pyx_modinit_type_init_code(void) {
  __Pyx_RefNannyDeclarations
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannySetupContext("__Pyx_modinit_type_init_code", 0);
  /*--- Type init code ---*/
  if (PyType_Ready(&__pyx_type_7mathics_4core_7pattern___pyx_scope_struct__match) < 0) __PYX_ERR(0, 176, __pyx_L1_error)
  #if PY_VERSION_HEX < 0x030800B1
  __pyx_type_7mathics_4core_7pattern___pyx_scope_struct__match.tp_print = 0;
  #endif
  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_7mathics_4core_7pattern___pyx_scope_struct__match.tp_dictoffset && __pyx_type_7mathics_4core_7pattern___pyx_scope_struct__match.tp_getattro == PyObject_GenericGetAttr)) {
    __pyx_type_7mathics_4core_7pattern___pyx_scope_struct__match.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
  }
  __pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct__match = &__pyx_type_7mathics_4core_7pattern___pyx_scope_struct__match;
  if (PyType_Ready(&__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices) < 0) __PYX_ERR(0, 335, __pyx_L1_error)
  #if PY_VERSION_HEX < 0x030800B1
  __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices.tp_print = 0;
  #endif
  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices.tp_dictoffset && __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices.tp_getattro == PyObject_GenericGetAttr)) {
    __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
  }
  __pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices = &__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_1_get_pre_choices;
  if (PyType_Ready(&__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_2_per_name) < 0) __PYX_ERR(0, 361, __pyx_L1_error)
  #if PY_VERSION_HEX < 0x030800B1
  __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_2_per_name.tp_print = 0;
  #endif
  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_2_per_name.tp_dictoffset && __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_2_per_name.tp_getattro == PyObject_GenericGetAttr)) {
    __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_2_per_name.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
  }
  __pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_2_per_name = &__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_2_per_name;
  if (PyType_Ready(&__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr) < 0) __PYX_ERR(0, 383, __pyx_L1_error)
  #if PY_VERSION_HEX < 0x030800B1
  __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr.tp_print = 0;
  #endif
  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr.tp_dictoffset && __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr.tp_getattro == PyObject_GenericGetAttr)) {
    __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
  }
  __pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr = &__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_3_per_expr;
  if (PyType_Ready(&__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr) < 0) __PYX_ERR(0, 405, __pyx_L1_error)
  #if PY_VERSION_HEX < 0x030800B1
  __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr.tp_print = 0;
  #endif
  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr.tp_dictoffset && __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr.tp_getattro == PyObject_GenericGetAttr)) {
    __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
  }
  __pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr = &__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_4_yield_expr;
  if (PyType_Ready(&__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf) < 0) __PYX_ERR(0, 471, __pyx_L1_error)
  #if PY_VERSION_HEX < 0x030800B1
  __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf.tp_print = 0;
  #endif
  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf.tp_dictoffset && __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf.tp_getattro == PyObject_GenericGetAttr)) {
    __pyx_type_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
  }
  __pyx_ptype_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf = &__pyx_type_7mathics_4core_7pattern___pyx_scope_struct_5_match_leaf;
  __Pyx_RefNannyFinishContext();
  return 0;
  __pyx_L1_error:;
  __Pyx_RefNannyFinishContext();
  return -1;
}

static int __Pyx_modinit_type_import_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_type_import_code", 0);
  /*--- Type import code ---*/
  __Pyx_RefNannyFinishContext();
  return 0;
}

static int __Pyx_modinit_variable_import_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_variable_import_code", 0);
  /*--- Variable import code ---*/
  __Pyx_RefNannyFinishContext();
  return 0;
}

static int __Pyx_modinit_function_import_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_function_import_code", 0);
  /*--- Function import code ---*/
  __Pyx_RefNannyFinishContext();
  return 0;
}


#ifndef CYTHON_NO_PYINIT_EXPORT
#define __Pyx_PyMODINIT_FUNC PyMODINIT_FUNC
#elif PY_MAJOR_VERSION < 3
#ifdef __cplusplus
#define __Pyx_PyMODINIT_FUNC extern "C" void
#else
#define __Pyx_PyMODINIT_FUNC void
#endif
#else
#ifdef __cplusplus
#define __Pyx_PyMODINIT_FUNC extern "C" PyObject *
#else
#define __Pyx_PyMODINIT_FUNC PyObject *
#endif
#endif


#if PY_MAJOR_VERSION < 3
__Pyx_PyMODINIT_FUNC initpattern(void) CYTHON_SMALL_CODE; /*proto*/
__Pyx_PyMODINIT_FUNC initpattern(void)
#else
__Pyx_PyMODINIT_FUNC PyInit_pattern(void) CYTHON_SMALL_CODE; /*proto*/
__Pyx_PyMODINIT_FUNC PyInit_pattern(void)
#if CYTHON_PEP489_MULTI_PHASE_INIT
{
  return PyModuleDef_Init(&__pyx_moduledef);
}
static CYTHON_SMALL_CODE int __Pyx_check_single_interpreter(void) {
    #if PY_VERSION_HEX >= 0x030700A1
    static PY_INT64_T main_interpreter_id = -1;
    PY_INT64_T current_id = PyInterpreterState_GetID(PyThreadState_Get()->interp);
    if (main_interpreter_id == -1) {
        main_interpreter_id = current_id;
        return (unlikely(current_id == -1)) ? -1 : 0;
    } else if (unlikely(main_interpreter_id != current_id))
    #else
    static PyInterpreterState *main_interpreter = NULL;
    PyInterpreterState *current_interpreter = PyThreadState_Get()->interp;
    if (!main_interpreter) {
        main_interpreter = current_interpreter;
    } else if (unlikely(main_interpreter != current_interpreter))
    #endif
    {
        PyErr_SetString(
            PyExc_ImportError,
            "Interpreter change detected - this module can only be loaded into one interpreter per process.");
        return -1;
    }
    return 0;
}
static CYTHON_SMALL_CODE int __Pyx_copy_spec_to_module(PyObject *spec, PyObject *moddict, const char* from_name, const char* to_name, int allow_none) {
    PyObject *value = PyObject_GetAttrString(spec, from_name);
    int result = 0;
    if (likely(value)) {
        if (allow_none || value != Py_None) {
            result = PyDict_SetItemString(moddict, to_name, value);
        }
        Py_DECREF(value);
    } else if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
        PyErr_Clear();
    } else {
        result = -1;
    }
    return result;
}
static CYTHON_SMALL_CODE PyObject* __pyx_pymod_create(PyObject *spec, CYTHON_UNUSED PyModuleDef *def) {
    PyObject *module = NULL, *moddict, *modname;
    if (__Pyx_check_single_interpreter())
        return NULL;
    if (__pyx_m)
        return __Pyx_NewRef(__pyx_m);
    modname = PyObject_GetAttrString(spec, "name");
    if (unlikely(!modname)) goto bad;
    module = PyModule_NewObject(modname);
    Py_DECREF(modname);
    if (unlikely(!module)) goto bad;
    moddict = PyModule_GetDict(module);
    if (unlikely(!moddict)) goto bad;
    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "loader", "__loader__", 1) < 0)) goto bad;
    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "origin", "__file__", 1) < 0)) goto bad;
    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "parent", "__package__", 1) < 0)) goto bad;
    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "submodule_search_locations", "__path__", 0) < 0)) goto bad;
    return module;
bad:
    Py_XDECREF(module);
    return NULL;
}


static CYTHON_SMALL_CODE int __pyx_pymod_exec_pattern(PyObject *__pyx_pyinit_module)
#endif
#endif
{
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  int __pyx_lineno = 0;
  const char *__pyx_filename = NULL;
  int __pyx_clineno = 0;
  __Pyx_RefNannyDeclarations
  #if CYTHON_PEP489_MULTI_PHASE_INIT
  if (__pyx_m) {
    if (__pyx_m == __pyx_pyinit_module) return 0;
    PyErr_SetString(PyExc_RuntimeError, "Module 'pattern' has already been imported. Re-initialisation is not supported.");
    return -1;
  }
  #elif PY_MAJOR_VERSION >= 3
  if (__pyx_m) return __Pyx_NewRef(__pyx_m);
  #endif
  #if CYTHON_REFNANNY
__Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny");
if (!__Pyx_RefNanny) {
  PyErr_Clear();
  __Pyx_RefNanny = __Pyx_RefNannyImportAPI("Cython.Runtime.refnanny");
  if (!__Pyx_RefNanny)
      Py_FatalError("failed to import 'refnanny' module");
}
#endif
  __Pyx_RefNannySetupContext("__Pyx_PyMODINIT_FUNC PyInit_pattern(void)", 0);
  if (__Pyx_check_binary_version() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #ifdef __Pxy_PyFrame_Initialize_Offsets
  __Pxy_PyFrame_Initialize_Offsets();
  #endif
  __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_empty_bytes = PyBytes_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_bytes)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_empty_unicode = PyUnicode_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_unicode)) __PYX_ERR(0, 1, __pyx_L1_error)
  #ifdef __Pyx_CyFunction_USED
  if (__pyx_CyFunction_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  #ifdef __Pyx_FusedFunction_USED
  if (__pyx_FusedFunction_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  #ifdef __Pyx_Coroutine_USED
  if (__pyx_Coroutine_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  #ifdef __Pyx_Generator_USED
  if (__pyx_Generator_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  #ifdef __Pyx_AsyncGen_USED
  if (__pyx_AsyncGen_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  #ifdef __Pyx_StopAsyncIteration_USED
  if (__pyx_StopAsyncIteration_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  /*--- Library function declarations ---*/
  /*--- Threads initialization code ---*/
  #if defined(__PYX_FORCE_INIT_THREADS) && __PYX_FORCE_INIT_THREADS
  #ifdef WITH_THREAD /* Python build with threading support? */
  PyEval_InitThreads();
  #endif
  #endif
  /*--- Module creation code ---*/
  #if CYTHON_PEP489_MULTI_PHASE_INIT
  __pyx_m = __pyx_pyinit_module;
  Py_INCREF(__pyx_m);
  #else
  #if PY_MAJOR_VERSION < 3
  __pyx_m = Py_InitModule4("pattern", __pyx_methods, 0, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m);
  #else
  __pyx_m = PyModule_Create(&__pyx_moduledef);
  #endif
  if (unlikely(!__pyx_m)) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  __pyx_d = PyModule_GetDict(__pyx_m); if (unlikely(!__pyx_d)) __PYX_ERR(0, 1, __pyx_L1_error)
  Py_INCREF(__pyx_d);
  __pyx_b = PyImport_AddModule(__Pyx_BUILTIN_MODULE_NAME); if (unlikely(!__pyx_b)) __PYX_ERR(0, 1, __pyx_L1_error)
  Py_INCREF(__pyx_b);
  __pyx_cython_runtime = PyImport_AddModule((char *) "cython_runtime"); if (unlikely(!__pyx_cython_runtime)) __PYX_ERR(0, 1, __pyx_L1_error)
  Py_INCREF(__pyx_cython_runtime);
  if (PyObject_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) __PYX_ERR(0, 1, __pyx_L1_error);
  /*--- Initialize various global constants etc. ---*/
  if (__Pyx_InitGlobals() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #if PY_MAJOR_VERSION < 3 && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
  if (__Pyx_init_sys_getdefaultencoding_params() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  if (__pyx_module_is_main_mathics__core__pattern) {
    if (PyObject_SetAttr(__pyx_m, __pyx_n_s_name_2, __pyx_n_s_main) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  }
  #if PY_MAJOR_VERSION >= 3
  {
    PyObject *modules = PyImport_GetModuleDict(); if (unlikely(!modules)) __PYX_ERR(0, 1, __pyx_L1_error)
    if (!PyDict_GetItemString(modules, "mathics.core.pattern")) {
      if (unlikely(PyDict_SetItemString(modules, "mathics.core.pattern", __pyx_m) < 0)) __PYX_ERR(0, 1, __pyx_L1_error)
    }
  }
  #endif
  /*--- Builtin init code ---*/
  if (__Pyx_InitCachedBuiltins() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  /*--- Constants init code ---*/
  if (__Pyx_InitCachedConstants() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  /*--- Global type/function init code ---*/
  (void)__Pyx_modinit_global_init_code();
  (void)__Pyx_modinit_variable_export_code();
  (void)__Pyx_modinit_function_export_code();
  if (unlikely(__Pyx_modinit_type_init_code() < 0)) __PYX_ERR(0, 1, __pyx_L1_error)
  (void)__Pyx_modinit_type_import_code();
  (void)__Pyx_modinit_variable_import_code();
  (void)__Pyx_modinit_function_import_code();
  /*--- Execution code ---*/
  #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
  if (__Pyx_patch_abc() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif

  /* "mathics/core/pattern.py":6
 * 
 * 
 * from mathics.core.expression import Expression, system_symbols, ensure_context             # <<<<<<<<<<<<<<
 * from mathics.core.util import subsets, subranges, permutations
 * from itertools import chain
 */
  __pyx_t_1 = PyList_New(3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__pyx_n_s_Expression);
  __Pyx_GIVEREF(__pyx_n_s_Expression);
  PyList_SET_ITEM(__pyx_t_1, 0, __pyx_n_s_Expression);
  __Pyx_INCREF(__pyx_n_s_system_symbols);
  __Pyx_GIVEREF(__pyx_n_s_system_symbols);
  PyList_SET_ITEM(__pyx_t_1, 1, __pyx_n_s_system_symbols);
  __Pyx_INCREF(__pyx_n_s_ensure_context);
  __Pyx_GIVEREF(__pyx_n_s_ensure_context);
  PyList_SET_ITEM(__pyx_t_1, 2, __pyx_n_s_ensure_context);
  __pyx_t_2 = __Pyx_Import(__pyx_n_s_mathics_core_expression, __pyx_t_1, 0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_ImportFrom(__pyx_t_2, __pyx_n_s_Expression); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_Expression, __pyx_t_1) < 0) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_ImportFrom(__pyx_t_2, __pyx_n_s_system_symbols); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_system_symbols, __pyx_t_1) < 0) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_ImportFrom(__pyx_t_2, __pyx_n_s_ensure_context); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_ensure_context, __pyx_t_1) < 0) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":7
 * 
 * from mathics.core.expression import Expression, system_symbols, ensure_context
 * from mathics.core.util import subsets, subranges, permutations             # <<<<<<<<<<<<<<
 * from itertools import chain
 * 
 */
  __pyx_t_2 = PyList_New(3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_INCREF(__pyx_n_s_subsets);
  __Pyx_GIVEREF(__pyx_n_s_subsets);
  PyList_SET_ITEM(__pyx_t_2, 0, __pyx_n_s_subsets);
  __Pyx_INCREF(__pyx_n_s_subranges);
  __Pyx_GIVEREF(__pyx_n_s_subranges);
  PyList_SET_ITEM(__pyx_t_2, 1, __pyx_n_s_subranges);
  __Pyx_INCREF(__pyx_n_s_permutations);
  __Pyx_GIVEREF(__pyx_n_s_permutations);
  PyList_SET_ITEM(__pyx_t_2, 2, __pyx_n_s_permutations);
  __pyx_t_1 = __Pyx_Import(__pyx_n_s_mathics_core_util, __pyx_t_2, 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_ImportFrom(__pyx_t_1, __pyx_n_s_subsets); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_subsets, __pyx_t_2) < 0) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_ImportFrom(__pyx_t_1, __pyx_n_s_subranges); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_subranges, __pyx_t_2) < 0) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_ImportFrom(__pyx_t_1, __pyx_n_s_permutations); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_permutations, __pyx_t_2) < 0) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":8
 * from mathics.core.expression import Expression, system_symbols, ensure_context
 * from mathics.core.util import subsets, subranges, permutations
 * from itertools import chain             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 8, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__pyx_n_s_chain);
  __Pyx_GIVEREF(__pyx_n_s_chain);
  PyList_SET_ITEM(__pyx_t_1, 0, __pyx_n_s_chain);
  __pyx_t_2 = __Pyx_Import(__pyx_n_s_itertools, __pyx_t_1, 0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 8, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_ImportFrom(__pyx_t_2, __pyx_n_s_chain); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 8, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_chain, __pyx_t_1) < 0) __PYX_ERR(0, 8, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":16
 * 
 * 
 * def Pattern_create(expr):             # <<<<<<<<<<<<<<
 *     from mathics.builtin import pattern_objects
 * 
 */
  __pyx_t_2 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_1Pattern_create, 0, __pyx_n_s_Pattern_create, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__29)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 16, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_Pattern_create, __pyx_t_2) < 0) __PYX_ERR(0, 16, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":31
 * 
 * 
 * class StopGenerator(Exception):             # <<<<<<<<<<<<<<
 *     def __init__(self, value=None):
 *         self.value = value
 */
  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 31, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_INCREF(((PyObject *)(&((PyTypeObject*)PyExc_Exception)[0])));
  __Pyx_GIVEREF(((PyObject *)(&((PyTypeObject*)PyExc_Exception)[0])));
  PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)(&((PyTypeObject*)PyExc_Exception)[0])));
  __pyx_t_1 = __Pyx_CalculateMetaclass(NULL, __pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 31, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_3 = __Pyx_Py3MetaclassPrepare(__pyx_t_1, __pyx_t_2, __pyx_n_s_StopGenerator, __pyx_n_s_StopGenerator, (PyObject *) NULL, __pyx_n_s_mathics_core_pattern, (PyObject *) NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 31, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);

  /* "mathics/core/pattern.py":32
 * 
 * class StopGenerator(Exception):
 *     def __init__(self, value=None):             # <<<<<<<<<<<<<<
 *         self.value = value
 * 
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_13StopGenerator_1__init__, 0, __pyx_n_s_StopGenerator___init, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__31)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 32, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_CyFunction_SetDefaultsTuple(__pyx_t_4, __pyx_tuple__32);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_init, __pyx_t_4) < 0) __PYX_ERR(0, 32, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":31
 * 
 * 
 * class StopGenerator(Exception):             # <<<<<<<<<<<<<<
 *     def __init__(self, value=None):
 *         self.value = value
 */
  __pyx_t_4 = __Pyx_Py3ClassCreate(__pyx_t_1, __pyx_n_s_StopGenerator, __pyx_t_2, __pyx_t_3, NULL, 0, 0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 31, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_StopGenerator, __pyx_t_4) < 0) __PYX_ERR(0, 31, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":36
 * 
 * 
 * class StopGenerator_ExpressionPattern_match(StopGenerator):             # <<<<<<<<<<<<<<
 *     pass
 * 
 */
  __Pyx_GetModuleGlobalName(__pyx_t_2, __pyx_n_s_StopGenerator); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 36, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 36, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_GIVEREF(__pyx_t_2);
  PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_2);
  __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_CalculateMetaclass(NULL, __pyx_t_1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 36, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_Py3MetaclassPrepare(__pyx_t_2, __pyx_t_1, __pyx_n_s_StopGenerator_ExpressionPattern, __pyx_n_s_StopGenerator_ExpressionPattern, (PyObject *) NULL, __pyx_n_s_mathics_core_pattern, (PyObject *) NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 36, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_4 = __Pyx_Py3ClassCreate(__pyx_t_2, __pyx_n_s_StopGenerator_ExpressionPattern, __pyx_t_1, __pyx_t_3, NULL, 0, 0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 36, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_StopGenerator_ExpressionPattern, __pyx_t_4) < 0) __PYX_ERR(0, 36, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":40
 * 
 * 
 * class StopGenerator_Pattern(StopGenerator):             # <<<<<<<<<<<<<<
 *     pass
 * 
 */
  __Pyx_GetModuleGlobalName(__pyx_t_1, __pyx_n_s_StopGenerator); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 40, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 40, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
  __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_CalculateMetaclass(NULL, __pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 40, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_3 = __Pyx_Py3MetaclassPrepare(__pyx_t_1, __pyx_t_2, __pyx_n_s_StopGenerator_Pattern, __pyx_n_s_StopGenerator_Pattern, (PyObject *) NULL, __pyx_n_s_mathics_core_pattern, (PyObject *) NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 40, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_4 = __Pyx_Py3ClassCreate(__pyx_t_1, __pyx_n_s_StopGenerator_Pattern, __pyx_t_2, __pyx_t_3, NULL, 0, 0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 40, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_StopGenerator_Pattern, __pyx_t_4) < 0) __PYX_ERR(0, 40, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":44
 * 
 * 
 * class Pattern(object):             # <<<<<<<<<<<<<<
 *     create = staticmethod(Pattern_create)
 * 
 */
  __pyx_t_2 = __Pyx_CalculateMetaclass(NULL, __pyx_tuple__33); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_1 = __Pyx_Py3MetaclassPrepare(__pyx_t_2, __pyx_tuple__33, __pyx_n_s_Pattern, __pyx_n_s_Pattern, (PyObject *) NULL, __pyx_n_s_mathics_core_pattern, (PyObject *) NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);

  /* "mathics/core/pattern.py":45
 * 
 * class Pattern(object):
 *     create = staticmethod(Pattern_create)             # <<<<<<<<<<<<<<
 * 
 *     def match(
 */
  __Pyx_GetModuleGlobalName(__pyx_t_3, __pyx_n_s_Pattern_create); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 45, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_builtin_staticmethod, __pyx_t_3); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 45, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_create, __pyx_t_4) < 0) __PYX_ERR(0, 45, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":47
 *     create = staticmethod(Pattern_create)
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_1match, 0, __pyx_n_s_Pattern_match, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__35)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 47, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_CyFunction_SetDefaultsTuple(__pyx_t_4, __pyx_tuple__36);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_match, __pyx_t_4) < 0) __PYX_ERR(0, 47, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":72
 *         return result"""
 * 
 *     def does_match(self, expression, evaluation, vars=None, fully=True):             # <<<<<<<<<<<<<<
 * 
 *         if vars is None:
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_3does_match, 0, __pyx_n_s_Pattern_does_match, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__38)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 72, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_CyFunction_SetDefaultsTuple(__pyx_t_4, __pyx_tuple__39);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_does_match, __pyx_t_4) < 0) __PYX_ERR(0, 72, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":89
 *         return False
 * 
 *     def get_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_name()
 * 
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_5get_name, 0, __pyx_n_s_Pattern_get_name, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__41)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 89, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_name, __pyx_t_4) < 0) __PYX_ERR(0, 89, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":92
 *         return self.expr.get_name()
 * 
 *     def is_atom(self):             # <<<<<<<<<<<<<<
 *         return self.expr.is_atom()
 * 
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_7is_atom, 0, __pyx_n_s_Pattern_is_atom, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__43)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 92, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_is_atom, __pyx_t_4) < 0) __PYX_ERR(0, 92, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":95
 *         return self.expr.is_atom()
 * 
 *     def get_head_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_head_name()
 * 
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_9get_head_name, 0, __pyx_n_s_Pattern_get_head_name, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__45)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 95, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_head_name, __pyx_t_4) < 0) __PYX_ERR(0, 95, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":98
 *         return self.expr.get_head_name()
 * 
 *     def sameQ(self, other) -> bool:             # <<<<<<<<<<<<<<
 *         """Mathics SameQ"""
 *         return self.expr.sameQ(other.expr)
 */
  __pyx_t_4 = __Pyx_PyDict_NewPresized(1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 98, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_return, ((PyObject*)&PyBool_Type)) < 0) __PYX_ERR(0, 98, __pyx_L1_error)
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_11sameQ, 0, __pyx_n_s_Pattern_sameQ, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__47)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 98, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_CyFunction_SetAnnotationsDict(__pyx_t_3, __pyx_t_4);
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_sameQ, __pyx_t_3) < 0) __PYX_ERR(0, 98, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":102
 *         return self.expr.sameQ(other.expr)
 * 
 *     def get_head(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_head()
 * 
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_13get_head, 0, __pyx_n_s_Pattern_get_head, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__49)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 102, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_head, __pyx_t_3) < 0) __PYX_ERR(0, 102, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":105
 *         return self.expr.get_head()
 * 
 *     def get_leaves(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_leaves()
 * 
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_15get_leaves, 0, __pyx_n_s_Pattern_get_leaves, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__51)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 105, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_leaves, __pyx_t_3) < 0) __PYX_ERR(0, 105, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":108
 *         return self.expr.get_leaves()
 * 
 *     def get_sort_key(self, pattern_sort=False):             # <<<<<<<<<<<<<<
 *         return self.expr.get_sort_key(pattern_sort=pattern_sort)
 * 
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_17get_sort_key, 0, __pyx_n_s_Pattern_get_sort_key, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__53)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 108, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_CyFunction_SetDefaultsTuple(__pyx_t_3, __pyx_tuple__54);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_sort_key, __pyx_t_3) < 0) __PYX_ERR(0, 108, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":111
 *         return self.expr.get_sort_key(pattern_sort=pattern_sort)
 * 
 *     def get_lookup_name(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_lookup_name()
 * 
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_19get_lookup_name, 0, __pyx_n_s_Pattern_get_lookup_name, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__56)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 111, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_lookup_name, __pyx_t_3) < 0) __PYX_ERR(0, 111, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":114
 *         return self.expr.get_lookup_name()
 * 
 *     def get_attributes(self, definitions):             # <<<<<<<<<<<<<<
 *         return self.expr.get_attributes(definitions)
 * 
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_21get_attributes, 0, __pyx_n_s_Pattern_get_attributes, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__58)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 114, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_attributes, __pyx_t_3) < 0) __PYX_ERR(0, 114, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":117
 *         return self.expr.get_attributes(definitions)
 * 
 *     def get_sequence(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_sequence()
 * 
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_23get_sequence, 0, __pyx_n_s_Pattern_get_sequence, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__60)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 117, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_sequence, __pyx_t_3) < 0) __PYX_ERR(0, 117, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":120
 *         return self.expr.get_sequence()
 * 
 *     def get_option_values(self):             # <<<<<<<<<<<<<<
 *         return self.expr.get_option_values()
 * 
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_25get_option_values, 0, __pyx_n_s_Pattern_get_option_values, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__62)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 120, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_option_values, __pyx_t_3) < 0) __PYX_ERR(0, 120, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":123
 *         return self.expr.get_option_values()
 * 
 *     def has_form(self, *args):             # <<<<<<<<<<<<<<
 *         return self.expr.has_form(*args)
 * 
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_27has_form, 0, __pyx_n_s_Pattern_has_form, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__64)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 123, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_has_form, __pyx_t_3) < 0) __PYX_ERR(0, 123, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":126
 *         return self.expr.has_form(*args)
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         return []
 * 
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_29get_match_candidates, 0, __pyx_n_s_Pattern_get_match_candidates, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__66)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 126, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (!__Pyx_CyFunction_InitDefaults(__pyx_t_3, sizeof(__pyx_defaults), 1)) __PYX_ERR(0, 126, __pyx_L1_error)
  __pyx_t_4 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 126, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_CyFunction_Defaults(__pyx_defaults, __pyx_t_3)->__pyx_arg_vars = __pyx_t_4;
  __Pyx_GIVEREF(__pyx_t_4);
  __pyx_t_4 = 0;
  __Pyx_CyFunction_SetDefaultsGetter(__pyx_t_3, __pyx_pf_7mathics_4core_7pattern_2__defaults__);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_match_candidates, __pyx_t_3) < 0) __PYX_ERR(0, 126, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":129
 *         return []
 * 
 *     def get_match_candidates_count(             # <<<<<<<<<<<<<<
 *         self, leaves, expression, attributes, evaluation, vars={}
 *     ):
 */
  __pyx_t_3 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_7Pattern_31get_match_candidates_count, 0, __pyx_n_s_Pattern_get_match_candidates_cou, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__68)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 129, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (!__Pyx_CyFunction_InitDefaults(__pyx_t_3, sizeof(__pyx_defaults1), 1)) __PYX_ERR(0, 129, __pyx_L1_error)

  /* "mathics/core/pattern.py":130
 * 
 *     def get_match_candidates_count(
 *         self, leaves, expression, attributes, evaluation, vars={}             # <<<<<<<<<<<<<<
 *     ):
 *         return len(
 */
  __pyx_t_4 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 130, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_CyFunction_Defaults(__pyx_defaults1, __pyx_t_3)->__pyx_arg_vars = __pyx_t_4;
  __Pyx_GIVEREF(__pyx_t_4);
  __pyx_t_4 = 0;
  __Pyx_CyFunction_SetDefaultsGetter(__pyx_t_3, __pyx_pf_7mathics_4core_7pattern_4__defaults__);
  if (__Pyx_SetNameInClass(__pyx_t_1, __pyx_n_s_get_match_candidates_count, __pyx_t_3) < 0) __PYX_ERR(0, 129, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "mathics/core/pattern.py":44
 * 
 * 
 * class Pattern(object):             # <<<<<<<<<<<<<<
 *     create = staticmethod(Pattern_create)
 * 
 */
  __pyx_t_3 = __Pyx_Py3ClassCreate(__pyx_t_2, __pyx_n_s_Pattern, __pyx_tuple__33, __pyx_t_1, NULL, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_Pattern, __pyx_t_3) < 0) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":137
 * 
 * 
 * class AtomPattern(Pattern):             # <<<<<<<<<<<<<<
 *     def __init__(self, expr):
 *         self.atom = expr
 */
  __Pyx_GetModuleGlobalName(__pyx_t_2, __pyx_n_s_Pattern); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 137, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 137, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_GIVEREF(__pyx_t_2);
  PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_2);
  __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_CalculateMetaclass(NULL, __pyx_t_1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 137, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_Py3MetaclassPrepare(__pyx_t_2, __pyx_t_1, __pyx_n_s_AtomPattern, __pyx_n_s_AtomPattern, (PyObject *) NULL, __pyx_n_s_mathics_core_pattern, (PyObject *) NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 137, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);

  /* "mathics/core/pattern.py":138
 * 
 * class AtomPattern(Pattern):
 *     def __init__(self, expr):             # <<<<<<<<<<<<<<
 *         self.atom = expr
 *         self.expr = expr
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_11AtomPattern_1__init__, 0, __pyx_n_s_AtomPattern___init, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__70)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 138, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_init, __pyx_t_4) < 0) __PYX_ERR(0, 138, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":142
 *         self.expr = expr
 * 
 *     def __repr__(self):             # <<<<<<<<<<<<<<
 *         return "<AtomPattern: %s>" % self.atom
 * 
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_11AtomPattern_3__repr__, 0, __pyx_n_s_AtomPattern___repr, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__72)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 142, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_repr, __pyx_t_4) < 0) __PYX_ERR(0, 142, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":145
 *         return "<AtomPattern: %s>" % self.atom
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_11AtomPattern_5match, 0, __pyx_n_s_AtomPattern_match, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__74)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 145, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_CyFunction_SetDefaultsTuple(__pyx_t_4, __pyx_tuple__75);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_match, __pyx_t_4) < 0) __PYX_ERR(0, 145, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":161
 *             yield_func(vars, None)
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         return [leaf for leaf in leaves if leaf.sameQ(self.atom)]
 * 
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_11AtomPattern_7get_match_candidates, 0, __pyx_n_s_AtomPattern_get_match_candidates, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__77)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 161, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (!__Pyx_CyFunction_InitDefaults(__pyx_t_4, sizeof(__pyx_defaults2), 1)) __PYX_ERR(0, 161, __pyx_L1_error)
  __pyx_t_5 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 161, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_CyFunction_Defaults(__pyx_defaults2, __pyx_t_4)->__pyx_arg_vars = __pyx_t_5;
  __Pyx_GIVEREF(__pyx_t_5);
  __pyx_t_5 = 0;
  __Pyx_CyFunction_SetDefaultsGetter(__pyx_t_4, __pyx_pf_7mathics_4core_7pattern_6__defaults__);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_get_match_candidates, __pyx_t_4) < 0) __PYX_ERR(0, 161, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":164
 *         return [leaf for leaf in leaves if leaf.sameQ(self.atom)]
 * 
 *     def get_match_count(self, vars={}):             # <<<<<<<<<<<<<<
 *         return (1, 1)
 * 
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_11AtomPattern_9get_match_count, 0, __pyx_n_s_AtomPattern_get_match_count, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__79)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 164, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (!__Pyx_CyFunction_InitDefaults(__pyx_t_4, sizeof(__pyx_defaults3), 1)) __PYX_ERR(0, 164, __pyx_L1_error)
  __pyx_t_5 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 164, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_CyFunction_Defaults(__pyx_defaults3, __pyx_t_4)->__pyx_arg_vars = __pyx_t_5;
  __Pyx_GIVEREF(__pyx_t_5);
  __pyx_t_5 = 0;
  __Pyx_CyFunction_SetDefaultsGetter(__pyx_t_4, __pyx_pf_7mathics_4core_7pattern_8__defaults__);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_get_match_count, __pyx_t_4) < 0) __PYX_ERR(0, 164, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":137
 * 
 * 
 * class AtomPattern(Pattern):             # <<<<<<<<<<<<<<
 *     def __init__(self, expr):
 *         self.atom = expr
 */
  __pyx_t_4 = __Pyx_Py3ClassCreate(__pyx_t_2, __pyx_n_s_AtomPattern, __pyx_t_1, __pyx_t_3, NULL, 0, 0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 137, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_AtomPattern, __pyx_t_4) < 0) __PYX_ERR(0, 137, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "mathics/core/pattern.py":172
 * 
 * 
 * class ExpressionPattern(Pattern):             # <<<<<<<<<<<<<<
 *     # get_pre_choices = pattern_nocython.get_pre_choices
 *     # match = pattern_nocython.match
 */
  __Pyx_GetModuleGlobalName(__pyx_t_1, __pyx_n_s_Pattern); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 172, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 172, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
  __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_CalculateMetaclass(NULL, __pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 172, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_3 = __Pyx_Py3MetaclassPrepare(__pyx_t_1, __pyx_t_2, __pyx_n_s_ExpressionPattern, __pyx_n_s_ExpressionPattern, (PyObject *) NULL, __pyx_n_s_mathics_core_pattern, (PyObject *) NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 172, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);

  /* "mathics/core/pattern.py":176
 *     # match = pattern_nocython.match
 * 
 *     def match(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_1match, 0, __pyx_n_s_ExpressionPattern_match, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__81)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 176, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_CyFunction_SetDefaultsTuple(__pyx_t_4, __pyx_tuple__82);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_match, __pyx_t_4) < 0) __PYX_ERR(0, 176, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":335
 *             )
 * 
 *     def get_pre_choices(self, yield_func, expression, attributes, vars):             # <<<<<<<<<<<<<<
 *         if "System`Orderless" in attributes:
 *             self.sort()
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_3get_pre_choices, 0, __pyx_n_s_ExpressionPattern_get_pre_choice_5, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__84)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 335, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_get_pre_choices, __pyx_t_4) < 0) __PYX_ERR(0, 335, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":431
 *             yield_func(vars)
 * 
 *     def __init__(self, expr):             # <<<<<<<<<<<<<<
 *         self.head = Pattern.create(expr.head)
 *         self.leaves = [Pattern.create(leaf) for leaf in expr.leaves]
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_5__init__, 0, __pyx_n_s_ExpressionPattern___init, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__86)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 431, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_init, __pyx_t_4) < 0) __PYX_ERR(0, 431, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":436
 *         self.expr = expr
 * 
 *     def filter_leaves(self, head_name):             # <<<<<<<<<<<<<<
 *         head_name = ensure_context(head_name)
 *         return [leaf for leaf in self.leaves if leaf.get_head_name() == head_name]
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_7filter_leaves, 0, __pyx_n_s_ExpressionPattern_filter_leaves, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__88)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 436, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_filter_leaves, __pyx_t_4) < 0) __PYX_ERR(0, 436, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":440
 *         return [leaf for leaf in self.leaves if leaf.get_head_name() == head_name]
 * 
 *     def __repr__(self):             # <<<<<<<<<<<<<<
 *         return "<ExpressionPattern: %s>" % self.expr
 * 
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_9__repr__, 0, __pyx_n_s_ExpressionPattern___repr, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__90)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 440, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_repr, __pyx_t_4) < 0) __PYX_ERR(0, 440, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":443
 *         return "<ExpressionPattern: %s>" % self.expr
 * 
 *     def get_match_count(self, vars={}):             # <<<<<<<<<<<<<<
 *         return (1, 1)
 * 
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_11get_match_count, 0, __pyx_n_s_ExpressionPattern_get_match_coun, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__92)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 443, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (!__Pyx_CyFunction_InitDefaults(__pyx_t_4, sizeof(__pyx_defaults4), 1)) __PYX_ERR(0, 443, __pyx_L1_error)
  __pyx_t_5 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 443, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_CyFunction_Defaults(__pyx_defaults4, __pyx_t_4)->__pyx_arg_vars = __pyx_t_5;
  __Pyx_GIVEREF(__pyx_t_5);
  __pyx_t_5 = 0;
  __Pyx_CyFunction_SetDefaultsGetter(__pyx_t_4, __pyx_pf_7mathics_4core_7pattern_10__defaults__);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_get_match_count, __pyx_t_4) < 0) __PYX_ERR(0, 443, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":446
 *         return (1, 1)
 * 
 *     def get_wrappings(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_13get_wrappings, 0, __pyx_n_s_ExpressionPattern_get_wrappings, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__94)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 446, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_CyFunction_SetDefaultsTuple(__pyx_t_4, __pyx_tuple__95);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_get_wrappings, __pyx_t_4) < 0) __PYX_ERR(0, 446, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":471
 *                 yield_func(Expression(expression.get_head(), *items))
 * 
 *     def match_leaf(             # <<<<<<<<<<<<<<
 *         self,
 *         yield_func,
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_15match_leaf, 0, __pyx_n_s_ExpressionPattern_match_leaf, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__97)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 471, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_CyFunction_SetDefaultsTuple(__pyx_t_4, __pyx_tuple__98);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_match_leaf, __pyx_t_4) < 0) __PYX_ERR(0, 471, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":664
 *             )
 * 
 *     def get_match_candidates(self, leaves, expression, attributes, evaluation, vars={}):             # <<<<<<<<<<<<<<
 *         """
 *         Finds possible leaves that could match the pattern, ignoring future
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_17get_match_candidates, 0, __pyx_n_s_ExpressionPattern_get_match_cand, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__100)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 664, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (!__Pyx_CyFunction_InitDefaults(__pyx_t_4, sizeof(__pyx_defaults5), 1)) __PYX_ERR(0, 664, __pyx_L1_error)
  __pyx_t_5 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 664, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_CyFunction_Defaults(__pyx_defaults5, __pyx_t_4)->__pyx_arg_vars = __pyx_t_5;
  __Pyx_GIVEREF(__pyx_t_5);
  __pyx_t_5 = 0;
  __Pyx_CyFunction_SetDefaultsGetter(__pyx_t_4, __pyx_pf_7mathics_4core_7pattern_12__defaults__);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_get_match_candidates, __pyx_t_4) < 0) __PYX_ERR(0, 664, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":674
 *         return [leaf for leaf in leaves if self.does_match(leaf, evaluation, vars)]
 * 
 *     def get_match_candidates_count(             # <<<<<<<<<<<<<<
 *         self, leaves, expression, attributes, evaluation, vars={}
 *     ):
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_19get_match_candidates_count, 0, __pyx_n_s_ExpressionPattern_get_match_cand_2, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__102)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 674, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (!__Pyx_CyFunction_InitDefaults(__pyx_t_4, sizeof(__pyx_defaults6), 1)) __PYX_ERR(0, 674, __pyx_L1_error)

  /* "mathics/core/pattern.py":675
 * 
 *     def get_match_candidates_count(
 *         self, leaves, expression, attributes, evaluation, vars={}             # <<<<<<<<<<<<<<
 *     ):
 *         """
 */
  __pyx_t_5 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 675, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_CyFunction_Defaults(__pyx_defaults6, __pyx_t_4)->__pyx_arg_vars = __pyx_t_5;
  __Pyx_GIVEREF(__pyx_t_5);
  __pyx_t_5 = 0;
  __Pyx_CyFunction_SetDefaultsGetter(__pyx_t_4, __pyx_pf_7mathics_4core_7pattern_14__defaults__);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_get_match_candidates_count, __pyx_t_4) < 0) __PYX_ERR(0, 674, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":690
 *         return count
 * 
 *     def sort(self):             # <<<<<<<<<<<<<<
 *         self.leaves.sort(key=lambda e: e.get_sort_key(pattern_sort=True))
 */
  __pyx_t_4 = __Pyx_CyFunction_New(&__pyx_mdef_7mathics_4core_7pattern_17ExpressionPattern_21sort, 0, __pyx_n_s_ExpressionPattern_sort, NULL, __pyx_n_s_mathics_core_pattern, __pyx_d, ((PyObject *)__pyx_codeobj__104)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 690, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (__Pyx_SetNameInClass(__pyx_t_3, __pyx_n_s_sort, __pyx_t_4) < 0) __PYX_ERR(0, 690, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "mathics/core/pattern.py":172
 * 
 * 
 * class ExpressionPattern(Pattern):             # <<<<<<<<<<<<<<
 *     # get_pre_choices = pattern_nocython.get_pre_choices
 *     # match = pattern_nocython.match
 */
  __pyx_t_4 = __Pyx_Py3ClassCreate(__pyx_t_1, __pyx_n_s_ExpressionPattern, __pyx_t_2, __pyx_t_3, NULL, 0, 0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 172, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_ExpressionPattern, __pyx_t_4) < 0) __PYX_ERR(0, 172, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "mathics/core/pattern.py":1
 * # cython: language_level=3             # <<<<<<<<<<<<<<
 * # cython: profile=False
 * # -*- coding: utf-8 -*-
 */
  __pyx_t_2 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_2) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /*--- Wrapped vars code ---*/

  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  if (__pyx_m) {
    if (__pyx_d) {
      __Pyx_AddTraceback("init mathics.core.pattern", __pyx_clineno, __pyx_lineno, __pyx_filename);
    }
    Py_CLEAR(__pyx_m);
  } else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_ImportError, "init mathics.core.pattern");
  }
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  #if CYTHON_PEP489_MULTI_PHASE_INIT
  return (__pyx_m != NULL) ? 0 : -1;
  #elif PY_MAJOR_VERSION >= 3
  return __pyx_m;
  #else
  return;
  #endif
}

/* --- Runtime support code --- */
/* Refnanny */
#if CYTHON_REFNANNY
static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
    PyObject *m = NULL, *p = NULL;
    void *r = NULL;
    m = PyImport_ImportModule(modname);
    if (!m) goto end;
    p = PyObject_GetAttrString(m, "RefNannyAPI");
    if (!p) goto end;
    r = PyLong_AsVoidPtr(p);
end:
    Py_XDECREF(p);
    Py_XDECREF(m);
    return (__Pyx_RefNannyAPIStruct *)r;
}
#endif

/* PyObjectGetAttrStr */
#if CYTHON_USE_TYPE_SLOTS
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
    PyTypeObject* tp = Py_TYPE(obj);
    if (likely(tp->tp_getattro))
        return tp->tp_getattro(obj, attr_name);
#if PY_MAJOR_VERSION < 3
    if (likely(tp->tp_getattr))
        return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
#endif
    return PyObject_GetAttr(obj, attr_name);
}
#endif

/* GetBuiltinName */
static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
    PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
    if (unlikely(!result)) {
        PyErr_Format(PyExc_NameError,
#if PY_MAJOR_VERSION >= 3
            "name '%U' is not defined", name);
#else
            "name '%.200s' is not defined", PyString_AS_STRING(name));
#endif
    }
    return result;
}

/* Import */
static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
    PyObject *empty_list = 0;
    PyObject *module = 0;
    PyObject *global_dict = 0;
    PyObject *empty_dict = 0;
    PyObject *list;
    #if PY_MAJOR_VERSION < 3
    PyObject *py_import;
    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
    if (!py_import)
        goto bad;
    #endif
    if (from_list)
        list = from_list;
    else {
        empty_list = PyList_New(0);
        if (!empty_list)
            goto bad;
        list = empty_list;
    }
    global_dict = PyModule_GetDict(__pyx_m);
    if (!global_dict)
        goto bad;
    empty_dict = PyDict_New();
    if (!empty_dict)
        goto bad;
    {
        #if PY_MAJOR_VERSION >= 3
        if (level == -1) {
            if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) {
                module = PyImport_ImportModuleLevelObject(
                    name, global_dict, empty_dict, list, 1);
                if (!module) {
                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
                        goto bad;
                    PyErr_Clear();
                }
            }
            level = 0;
        }
        #endif
        if (!module) {
            #if PY_MAJOR_VERSION < 3
            PyObject *py_level = PyInt_FromLong(level);
            if (!py_level)
                goto bad;
            module = PyObject_CallFunctionObjArgs(py_import,
                name, global_dict, empty_dict, list, py_level, (PyObject *)NULL);
            Py_DECREF(py_level);
            #else
            module = PyImport_ImportModuleLevelObject(
                name, global_dict, empty_dict, list, level);
            #endif
        }
    }
bad:
    #if PY_MAJOR_VERSION < 3
    Py_XDECREF(py_import);
    #endif
    Py_XDECREF(empty_list);
    Py_XDECREF(empty_dict);
    return module;
}

/* ImportFrom */
static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
        PyErr_Format(PyExc_ImportError,
        #if PY_MAJOR_VERSION < 3
            "cannot import name %.230s", PyString_AS_STRING(name));
        #else
            "cannot import name %S", name);
        #endif
    }
    return value;
}

/* PyFunctionFastCall */
#if CYTHON_FAST_PYCALL
static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
                                               PyObject *globals) {
    PyFrameObject *f;
    PyThreadState *tstate = __Pyx_PyThreadState_Current;
    PyObject **fastlocals;
    Py_ssize_t i;
    PyObject *result;
    assert(globals != NULL);
    /* XXX Perhaps we should create a specialized
       PyFrame_New() that doesn't take locals, but does
       take builtins without sanity checking them.
       */
    assert(tstate != NULL);
    f = PyFrame_New(tstate, co, globals, NULL);
    if (f == NULL) {
        return NULL;
    }
    fastlocals = __Pyx_PyFrame_GetLocalsplus(f);
    for (i = 0; i < na; i++) {
        Py_INCREF(*args);
        fastlocals[i] = *args++;
    }
    result = PyEval_EvalFrameEx(f,0);
    ++tstate->recursion_depth;
    Py_DECREF(f);
    --tstate->recursion_depth;
    return result;
}
#if 1 || PY_VERSION_HEX < 0x030600B1
static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) {
    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
    PyObject *globals = PyFunction_GET_GLOBALS(func);
    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
    PyObject *closure;
#if PY_MAJOR_VERSION >= 3
    PyObject *kwdefs;
#endif
    PyObject *kwtuple, **k;
    PyObject **d;
    Py_ssize_t nd;
    Py_ssize_t nk;
    PyObject *result;
    assert(kwargs == NULL || PyDict_Check(kwargs));
    nk = kwargs ? PyDict_Size(kwargs) : 0;
    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
        return NULL;
    }
    if (
#if PY_MAJOR_VERSION >= 3
            co->co_kwonlyargcount == 0 &&
#endif
            likely(kwargs == NULL || nk == 0) &&
            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
        if (argdefs == NULL && co->co_argcount == nargs) {
            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
            goto done;
        }
        else if (nargs == 0 && argdefs != NULL
                 && co->co_argcount == Py_SIZE(argdefs)) {
            /* function called with no arguments, but all parameters have
               a default value: use default values as arguments .*/
            args = &PyTuple_GET_ITEM(argdefs, 0);
            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
            goto done;
        }
    }
    if (kwargs != NULL) {
        Py_ssize_t pos, i;
        kwtuple = PyTuple_New(2 * nk);
        if (kwtuple == NULL) {
            result = NULL;
            goto done;
        }
        k = &PyTuple_GET_ITEM(kwtuple, 0);
        pos = i = 0;
        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
            Py_INCREF(k[i]);
            Py_INCREF(k[i+1]);
            i += 2;
        }
        nk = i / 2;
    }
    else {
        kwtuple = NULL;
        k = NULL;
    }
    closure = PyFunction_GET_CLOSURE(func);
#if PY_MAJOR_VERSION >= 3
    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
#endif
    if (argdefs != NULL) {
        d = &PyTuple_GET_ITEM(argdefs, 0);
        nd = Py_SIZE(argdefs);
    }
    else {
        d = NULL;
        nd = 0;
    }
#if PY_MAJOR_VERSION >= 3
    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
                               args, (int)nargs,
                               k, (int)nk,
                               d, (int)nd, kwdefs, closure);
#else
    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
                               args, (int)nargs,
                               k, (int)nk,
                               d, (int)nd, closure);
#endif
    Py_XDECREF(kwtuple);
done:
    Py_LeaveRecursiveCall();
    return result;
}
#endif
#endif

/* PyObjectCall */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
    PyObject *result;
    ternaryfunc call = func->ob_type->tp_call;
    if (unlikely(!call))
        return PyObject_Call(func, arg, kw);
    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
        return NULL;
    result = (*call)(func, arg, kw);
    Py_LeaveRecursiveCall();
    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
        PyErr_SetString(
            PyExc_SystemError,
            "NULL result without error in PyObject_Call");
    }
    return result;
}
#endif

/* PyObjectCallMethO */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
    PyObject *self, *result;
    PyCFunction cfunc;
    cfunc = PyCFunction_GET_FUNCTION(func);
    self = PyCFunction_GET_SELF(func);
    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
        return NULL;
    result = cfunc(self, arg);
    Py_LeaveRecursiveCall();
    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
        PyErr_SetString(
            PyExc_SystemError,
            "NULL result without error in PyObject_Call");
    }
    return result;
}
#endif

/* PyObjectCallNoArg */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
#if CYTHON_FAST_PYCALL
    if (PyFunction_Check(func)) {
        return __Pyx_PyFunction_FastCall(func, NULL, 0);
    }
#endif
#ifdef __Pyx_CyFunction_USED
    if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func)))
#else
    if (likely(PyCFunction_Check(func)))
#endif
    {
        if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
            return __Pyx_PyObject_CallMethO(func, NULL);
        }
    }
    return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
}
#endif

/* PyCFunctionFastCall */
#if CYTHON_FAST_PYCCALL
static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
    PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
    PyObject *self = PyCFunction_GET_SELF(func);
    int flags = PyCFunction_GET_FLAGS(func);
    assert(PyCFunction_Check(func));
    assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)));
    assert(nargs >= 0);
    assert(nargs == 0 || args != NULL);
    /* _PyCFunction_FastCallDict() must not be called with an exception set,
       because it may clear it (directly or indirectly) and so the
       caller loses its exception */
    assert(!PyErr_Occurred());
    if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) {
        return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL);
    } else {
        return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs);
    }
}
#endif

/* PyObjectCallOneArg */
#if CYTHON_COMPILING_IN_CPYTHON
static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
    PyObject *result;
    PyObject *args = PyTuple_New(1);
    if (unlikely(!args)) return NULL;
    Py_INCREF(arg);
    PyTuple_SET_ITEM(args, 0, arg);
    result = __Pyx_PyObject_Call(func, args, NULL);
    Py_DECREF(args);
    return result;
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
#if CYTHON_FAST_PYCALL
    if (PyFunction_Check(func)) {
        return __Pyx_PyFunction_FastCall(func, &arg, 1);
    }
#endif
    if (likely(PyCFunction_Check(func))) {
        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
            return __Pyx_PyObject_CallMethO(func, arg);
#if CYTHON_FAST_PYCCALL
        } else if (__Pyx_PyFastCFunction_Check(func)) {
            return __Pyx_PyCFunction_FastCall(func, &arg, 1);
#endif
        }
    }
    return __Pyx__PyObject_CallOneArg(func, arg);
}
#else
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
    PyObject *result;
    PyObject *args = PyTuple_Pack(1, arg);
    if (unlikely(!args)) return NULL;
    result = __Pyx_PyObject_Call(func, args, NULL);
    Py_DECREF(args);
    return result;
}
#endif

/* PyObjectCall2Args */
static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) {
    PyObject *args, *result = NULL;
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(function)) {
        PyObject *args[2] = {arg1, arg2};
        return __Pyx_PyFunction_FastCall(function, args, 2);
    }
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(function)) {
        PyObject *args[2] = {arg1, arg2};
        return __Pyx_PyCFunction_FastCall(function, args, 2);
    }
    #endif
    args = PyTuple_New(2);
    if (unlikely(!args)) goto done;
    Py_INCREF(arg1);
    PyTuple_SET_ITEM(args, 0, arg1);
    Py_INCREF(arg2);
    PyTuple_SET_ITEM(args, 1, arg2);
    Py_INCREF(function);
    result = __Pyx_PyObject_Call(function, args, NULL);
    Py_DECREF(args);
    Py_DECREF(function);
done:
    return result;
}

/* PyDictVersioning */
#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) {
    PyObject *dict = Py_TYPE(obj)->tp_dict;
    return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0;
}
static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) {
    PyObject **dictptr = NULL;
    Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset;
    if (offset) {
#if CYTHON_COMPILING_IN_CPYTHON
        dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj);
#else
        dictptr = _PyObject_GetDictPtr(obj);
#endif
    }
    return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0;
}
static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) {
    PyObject *dict = Py_TYPE(obj)->tp_dict;
    if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict)))
        return 0;
    return obj_dict_version == __Pyx_get_object_dict_version(obj);
}
#endif

/* GetModuleGlobalName */
#if CYTHON_USE_DICT_VERSIONS
static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value)
#else
static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
#endif
{
    PyObject *result;
#if !CYTHON_AVOID_BORROWED_REFS
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
    result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash);
    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
    if (likely(result)) {
        return __Pyx_NewRef(result);
    } else if (unlikely(PyErr_Occurred())) {
        return NULL;
    }
#else
    result = PyDict_GetItem(__pyx_d, name);
    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
    if (likely(result)) {
        return __Pyx_NewRef(result);
    }
#endif
#else
    result = PyObject_GetItem(__pyx_d, name);
    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
    if (likely(result)) {
        return __Pyx_NewRef(result);
    }
    PyErr_Clear();
#endif
    return __Pyx_GetBuiltinName(name);
}

/* RaiseDoubleKeywords */
static void __Pyx_RaiseDoubleKeywordsError(
    const char* func_name,
    PyObject* kw_name)
{
    PyErr_Format(PyExc_TypeError,
        #if PY_MAJOR_VERSION >= 3
        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
        #else
        "%s() got multiple values for keyword argument '%s'", func_name,
        PyString_AsString(kw_name));
        #endif
}

/* ParseKeywords */
static int __Pyx_ParseOptionalKeywords(
    PyObject *kwds,
    PyObject **argnames[],
    PyObject *kwds2,
    PyObject *values[],
    Py_ssize_t num_pos_args,
    const char* function_name)
{
    PyObject *key = 0, *value = 0;
    Py_ssize_t pos = 0;
    PyObject*** name;
    PyObject*** first_kw_arg = argnames + num_pos_args;
    while (PyDict_Next(kwds, &pos, &key, &value)) {
        name = first_kw_arg;
        while (*name && (**name != key)) name++;
        if (*name) {
            values[name-argnames] = value;
            continue;
        }
        name = first_kw_arg;
        #if PY_MAJOR_VERSION < 3
        if (likely(PyString_Check(key))) {
            while (*name) {
                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
                        && _PyString_Eq(**name, key)) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    if ((**argname == key) || (
                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
                             && _PyString_Eq(**argname, key))) {
                        goto arg_passed_twice;
                    }
                    argname++;
                }
            }
        } else
        #endif
        if (likely(PyUnicode_Check(key))) {
            while (*name) {
                int cmp = (**name == key) ? 0 :
                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                    (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
                #endif
                    PyUnicode_Compare(**name, key);
                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                if (cmp == 0) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    int cmp = (**argname == key) ? 0 :
                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                        (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 :
                    #endif
                        PyUnicode_Compare(**argname, key);
                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                    if (cmp == 0) goto arg_passed_twice;
                    argname++;
                }
            }
        } else
            goto invalid_keyword_type;
        if (kwds2) {
            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
        } else {
            goto invalid_keyword;
        }
    }
    return 0;
arg_passed_twice:
    __Pyx_RaiseDoubleKeywordsError(function_name, key);
    goto bad;
invalid_keyword_type:
    PyErr_Format(PyExc_TypeError,
        "%.200s() keywords must be strings", function_name);
    goto bad;
invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%.200s() got an unexpected keyword argument '%.200s'",
        function_name, PyString_AsString(key));
    #else
        "%s() got an unexpected keyword argument '%U'",
        function_name, key);
    #endif
bad:
    return -1;
}

/* RaiseArgTupleInvalid */
static void __Pyx_RaiseArgtupleInvalid(
    const char* func_name,
    int exact,
    Py_ssize_t num_min,
    Py_ssize_t num_max,
    Py_ssize_t num_found)
{
    Py_ssize_t num_expected;
    const char *more_or_less;
    if (num_found < num_min) {
        num_expected = num_min;
        more_or_less = "at least";
    } else {
        num_expected = num_max;
        more_or_less = "at most";
    }
    if (exact) {
        more_or_less = "exactly";
    }
    PyErr_Format(PyExc_TypeError,
                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
                 func_name, more_or_less, num_expected,
                 (num_expected == 1) ? "" : "s", num_found);
}

/* PyObjectSetAttrStr */
#if CYTHON_USE_TYPE_SLOTS
static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value) {
    PyTypeObject* tp = Py_TYPE(obj);
    if (likely(tp->tp_setattro))
        return tp->tp_setattro(obj, attr_name, value);
#if PY_MAJOR_VERSION < 3
    if (likely(tp->tp_setattr))
        return tp->tp_setattr(obj, PyString_AS_STRING(attr_name), value);
#endif
    return PyObject_SetAttr(obj, attr_name, value);
}
#endif

/* PyErrFetchRestore */
#if CYTHON_FAST_THREAD_STATE
static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    tmp_type = tstate->curexc_type;
    tmp_value = tstate->curexc_value;
    tmp_tb = tstate->curexc_traceback;
    tstate->curexc_type = type;
    tstate->curexc_value = value;
    tstate->curexc_traceback = tb;
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
}
static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
    *type = tstate->curexc_type;
    *value = tstate->curexc_value;
    *tb = tstate->curexc_traceback;
    tstate->curexc_type = 0;
    tstate->curexc_value = 0;
    tstate->curexc_traceback = 0;
}
#endif

/* RaiseException */
#if PY_MAJOR_VERSION < 3
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
                        CYTHON_UNUSED PyObject *cause) {
    __Pyx_PyThreadState_declare
    Py_XINCREF(type);
    if (!value || value == Py_None)
        value = NULL;
    else
        Py_INCREF(value);
    if (!tb || tb == Py_None)
        tb = NULL;
    else {
        Py_INCREF(tb);
        if (!PyTraceBack_Check(tb)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: arg 3 must be a traceback or None");
            goto raise_error;
        }
    }
    if (PyType_Check(type)) {
#if CYTHON_COMPILING_IN_PYPY
        if (!value) {
            Py_INCREF(Py_None);
            value = Py_None;
        }
#endif
        PyErr_NormalizeException(&type, &value, &tb);
    } else {
        if (value) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto raise_error;
        }
        value = type;
        type = (PyObject*) Py_TYPE(type);
        Py_INCREF(type);
        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: exception class must be a subclass of BaseException");
            goto raise_error;
        }
    }
    __Pyx_PyThreadState_assign
    __Pyx_ErrRestore(type, value, tb);
    return;
raise_error:
    Py_XDECREF(value);
    Py_XDECREF(type);
    Py_XDECREF(tb);
    return;
}
#else
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
    PyObject* owned_instance = NULL;
    if (tb == Py_None) {
        tb = 0;
    } else if (tb && !PyTraceBack_Check(tb)) {
        PyErr_SetString(PyExc_TypeError,
            "raise: arg 3 must be a traceback or None");
        goto bad;
    }
    if (value == Py_None)
        value = 0;
    if (PyExceptionInstance_Check(type)) {
        if (value) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto bad;
        }
        value = type;
        type = (PyObject*) Py_TYPE(value);
    } else if (PyExceptionClass_Check(type)) {
        PyObject *instance_class = NULL;
        if (value && PyExceptionInstance_Check(value)) {
            instance_class = (PyObject*) Py_TYPE(value);
            if (instance_class != type) {
                int is_subclass = PyObject_IsSubclass(instance_class, type);
                if (!is_subclass) {
                    instance_class = NULL;
                } else if (unlikely(is_subclass == -1)) {
                    goto bad;
                } else {
                    type = instance_class;
                }
            }
        }
        if (!instance_class) {
            PyObject *args;
            if (!value)
                args = PyTuple_New(0);
            else if (PyTuple_Check(value)) {
                Py_INCREF(value);
                args = value;
            } else
                args = PyTuple_Pack(1, value);
            if (!args)
                goto bad;
            owned_instance = PyObject_Call(type, args, NULL);
            Py_DECREF(args);
            if (!owned_instance)
                goto bad;
            value = owned_instance;
            if (!PyExceptionInstance_Check(value)) {
                PyErr_Format(PyExc_TypeError,
                             "calling %R should have returned an instance of "
                             "BaseException, not %R",
                             type, Py_TYPE(value));
                goto bad;
            }
        }
    } else {
        PyErr_SetString(PyExc_TypeError,
            "raise: exception class must be a subclass of BaseException");
        goto bad;
    }
    if (cause) {
        PyObject *fixed_cause;
        if (cause == Py_None) {
            fixed_cause = NULL;
        } else if (PyExceptionClass_Check(cause)) {
            fixed_cause = PyObject_CallObject(cause, NULL);
            if (fixed_cause == NULL)
                goto bad;
        } else if (PyExceptionInstance_Check(cause)) {
            fixed_cause = cause;
            Py_INCREF(fixed_cause);
        } else {
            PyErr_SetString(PyExc_TypeError,
                            "exception causes must derive from "
                            "BaseException");
            goto bad;
        }
        PyException_SetCause(value, fixed_cause);
    }
    PyErr_SetObject(type, value);
    if (tb) {
#if CYTHON_COMPILING_IN_PYPY
        PyObject *tmp_type, *tmp_value, *tmp_tb;
        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
        Py_INCREF(tb);
        PyErr_Restore(tmp_type, tmp_value, tb);
        Py_XDECREF(tmp_tb);
#else
        PyThreadState *tstate = __Pyx_PyThreadState_Current;
        PyObject* tmp_tb = tstate->curexc_traceback;
        if (tb != tmp_tb) {
            Py_INCREF(tb);
            tstate->curexc_traceback = tb;
            Py_XDECREF(tmp_tb);
        }
#endif
    }
bad:
    Py_XDECREF(owned_instance);
    return;
}
#endif

/* FetchCommonType */
static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
    PyObject* fake_module;
    PyTypeObject* cached_type = NULL;
    fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
    if (!fake_module) return NULL;
    Py_INCREF(fake_module);
    cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
    if (cached_type) {
        if (!PyType_Check((PyObject*)cached_type)) {
            PyErr_Format(PyExc_TypeError,
                "Shared Cython type %.200s is not a type object",
                type->tp_name);
            goto bad;
        }
        if (cached_type->tp_basicsize != type->tp_basicsize) {
            PyErr_Format(PyExc_TypeError,
                "Shared Cython type %.200s has the wrong size, try recompiling",
                type->tp_name);
            goto bad;
        }
    } else {
        if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
        PyErr_Clear();
        if (PyType_Ready(type) < 0) goto bad;
        if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
            goto bad;
        Py_INCREF(type);
        cached_type = type;
    }
done:
    Py_DECREF(fake_module);
    return cached_type;
bad:
    Py_XDECREF(cached_type);
    cached_type = NULL;
    goto done;
}

/* CythonFunctionShared */
#include <structmember.h>
static PyObject *
__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure)
{
    if (unlikely(op->func_doc == NULL)) {
        if (op->func.m_ml->ml_doc) {
#if PY_MAJOR_VERSION >= 3
            op->func_doc = PyUnicode_FromString(op->func.m_ml->ml_doc);
#else
            op->func_doc = PyString_FromString(op->func.m_ml->ml_doc);
#endif
            if (unlikely(op->func_doc == NULL))
                return NULL;
        } else {
            Py_INCREF(Py_None);
            return Py_None;
        }
    }
    Py_INCREF(op->func_doc);
    return op->func_doc;
}
static int
__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value, CYTHON_UNUSED void *context)
{
    PyObject *tmp = op->func_doc;
    if (value == NULL) {
        value = Py_None;
    }
    Py_INCREF(value);
    op->func_doc = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context)
{
    if (unlikely(op->func_name == NULL)) {
#if PY_MAJOR_VERSION >= 3
        op->func_name = PyUnicode_InternFromString(op->func.m_ml->ml_name);
#else
        op->func_name = PyString_InternFromString(op->func.m_ml->ml_name);
#endif
        if (unlikely(op->func_name == NULL))
            return NULL;
    }
    Py_INCREF(op->func_name);
    return op->func_name;
}
static int
__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value, CYTHON_UNUSED void *context)
{
    PyObject *tmp;
#if PY_MAJOR_VERSION >= 3
    if (unlikely(value == NULL || !PyUnicode_Check(value)))
#else
    if (unlikely(value == NULL || !PyString_Check(value)))
#endif
    {
        PyErr_SetString(PyExc_TypeError,
                        "__name__ must be set to a string object");
        return -1;
    }
    tmp = op->func_name;
    Py_INCREF(value);
    op->func_name = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context)
{
    Py_INCREF(op->func_qualname);
    return op->func_qualname;
}
static int
__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value, CYTHON_UNUSED void *context)
{
    PyObject *tmp;
#if PY_MAJOR_VERSION >= 3
    if (unlikely(value == NULL || !PyUnicode_Check(value)))
#else
    if (unlikely(value == NULL || !PyString_Check(value)))
#endif
    {
        PyErr_SetString(PyExc_TypeError,
                        "__qualname__ must be set to a string object");
        return -1;
    }
    tmp = op->func_qualname;
    Py_INCREF(value);
    op->func_qualname = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_self(__pyx_CyFunctionObject *m, CYTHON_UNUSED void *closure)
{
    PyObject *self;
    self = m->func_closure;
    if (self == NULL)
        self = Py_None;
    Py_INCREF(self);
    return self;
}
static PyObject *
__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context)
{
    if (unlikely(op->func_dict == NULL)) {
        op->func_dict = PyDict_New();
        if (unlikely(op->func_dict == NULL))
            return NULL;
    }
    Py_INCREF(op->func_dict);
    return op->func_dict;
}
static int
__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value, CYTHON_UNUSED void *context)
{
    PyObject *tmp;
    if (unlikely(value == NULL)) {
        PyErr_SetString(PyExc_TypeError,
               "function's dictionary may not be deleted");
        return -1;
    }
    if (unlikely(!PyDict_Check(value))) {
        PyErr_SetString(PyExc_TypeError,
               "setting function's dictionary to a non-dict");
        return -1;
    }
    tmp = op->func_dict;
    Py_INCREF(value);
    op->func_dict = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context)
{
    Py_INCREF(op->func_globals);
    return op->func_globals;
}
static PyObject *
__Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op, CYTHON_UNUSED void *context)
{
    Py_INCREF(Py_None);
    return Py_None;
}
static PyObject *
__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context)
{
    PyObject* result = (op->func_code) ? op->func_code : Py_None;
    Py_INCREF(result);
    return result;
}
static int
__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
    int result = 0;
    PyObject *res = op->defaults_getter((PyObject *) op);
    if (unlikely(!res))
        return -1;
    #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
    Py_INCREF(op->defaults_tuple);
    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
    Py_INCREF(op->defaults_kwdict);
    #else
    op->defaults_tuple = PySequence_ITEM(res, 0);
    if (unlikely(!op->defaults_tuple)) result = -1;
    else {
        op->defaults_kwdict = PySequence_ITEM(res, 1);
        if (unlikely(!op->defaults_kwdict)) result = -1;
    }
    #endif
    Py_DECREF(res);
    return result;
}
static int
__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value, CYTHON_UNUSED void *context) {
    PyObject* tmp;
    if (!value) {
        value = Py_None;
    } else if (value != Py_None && !PyTuple_Check(value)) {
        PyErr_SetString(PyExc_TypeError,
                        "__defaults__ must be set to a tuple object");
        return -1;
    }
    Py_INCREF(value);
    tmp = op->defaults_tuple;
    op->defaults_tuple = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) {
    PyObject* result = op->defaults_tuple;
    if (unlikely(!result)) {
        if (op->defaults_getter) {
            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
            result = op->defaults_tuple;
        } else {
            result = Py_None;
        }
    }
    Py_INCREF(result);
    return result;
}
static int
__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value, CYTHON_UNUSED void *context) {
    PyObject* tmp;
    if (!value) {
        value = Py_None;
    } else if (value != Py_None && !PyDict_Check(value)) {
        PyErr_SetString(PyExc_TypeError,
                        "__kwdefaults__ must be set to a dict object");
        return -1;
    }
    Py_INCREF(value);
    tmp = op->defaults_kwdict;
    op->defaults_kwdict = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) {
    PyObject* result = op->defaults_kwdict;
    if (unlikely(!result)) {
        if (op->defaults_getter) {
            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
            result = op->defaults_kwdict;
        } else {
            result = Py_None;
        }
    }
    Py_INCREF(result);
    return result;
}
static int
__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value, CYTHON_UNUSED void *context) {
    PyObject* tmp;
    if (!value || value == Py_None) {
        value = NULL;
    } else if (!PyDict_Check(value)) {
        PyErr_SetString(PyExc_TypeError,
                        "__annotations__ must be set to a dict object");
        return -1;
    }
    Py_XINCREF(value);
    tmp = op->func_annotations;
    op->func_annotations = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *context) {
    PyObject* result = op->func_annotations;
    if (unlikely(!result)) {
        result = PyDict_New();
        if (unlikely(!result)) return NULL;
        op->func_annotations = result;
    }
    Py_INCREF(result);
    return result;
}
static PyGetSetDef __pyx_CyFunction_getsets[] = {
    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
    {(char *) "__self__", (getter)__Pyx_CyFunction_get_self, 0, 0, 0},
    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
    {0, 0, 0, 0, 0}
};
static PyMemberDef __pyx_CyFunction_members[] = {
    {(char *) "__module__", T_OBJECT, offsetof(PyCFunctionObject, m_module), PY_WRITE_RESTRICTED, 0},
    {0, 0, 0,  0, 0}
};
static PyObject *
__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, CYTHON_UNUSED PyObject *args)
{
#if PY_MAJOR_VERSION >= 3
    return PyUnicode_FromString(m->func.m_ml->ml_name);
#else
    return PyString_FromString(m->func.m_ml->ml_name);
#endif
}
static PyMethodDef __pyx_CyFunction_methods[] = {
    {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
    {0, 0, 0, 0}
};
#if PY_VERSION_HEX < 0x030500A0
#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
#else
#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func.m_weakreflist)
#endif
static PyObject *__Pyx_CyFunction_Init(__pyx_CyFunctionObject *op, PyMethodDef *ml, int flags, PyObject* qualname,
                                       PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
    if (unlikely(op == NULL))
        return NULL;
    op->flags = flags;
    __Pyx_CyFunction_weakreflist(op) = NULL;
    op->func.m_ml = ml;
    op->func.m_self = (PyObject *) op;
    Py_XINCREF(closure);
    op->func_closure = closure;
    Py_XINCREF(module);
    op->func.m_module = module;
    op->func_dict = NULL;
    op->func_name = NULL;
    Py_INCREF(qualname);
    op->func_qualname = qualname;
    op->func_doc = NULL;
    op->func_classobj = NULL;
    op->func_globals = globals;
    Py_INCREF(op->func_globals);
    Py_XINCREF(code);
    op->func_code = code;
    op->defaults_pyobjects = 0;
    op->defaults_size = 0;
    op->defaults = NULL;
    op->defaults_tuple = NULL;
    op->defaults_kwdict = NULL;
    op->defaults_getter = NULL;
    op->func_annotations = NULL;
    return (PyObject *) op;
}
static int
__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
{
    Py_CLEAR(m->func_closure);
    Py_CLEAR(m->func.m_module);
    Py_CLEAR(m->func_dict);
    Py_CLEAR(m->func_name);
    Py_CLEAR(m->func_qualname);
    Py_CLEAR(m->func_doc);
    Py_CLEAR(m->func_globals);
    Py_CLEAR(m->func_code);
    Py_CLEAR(m->func_classobj);
    Py_CLEAR(m->defaults_tuple);
    Py_CLEAR(m->defaults_kwdict);
    Py_CLEAR(m->func_annotations);
    if (m->defaults) {
        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
        int i;
        for (i = 0; i < m->defaults_pyobjects; i++)
            Py_XDECREF(pydefaults[i]);
        PyObject_Free(m->defaults);
        m->defaults = NULL;
    }
    return 0;
}
static void __Pyx__CyFunction_dealloc(__pyx_CyFunctionObject *m)
{
    if (__Pyx_CyFunction_weakreflist(m) != NULL)
        PyObject_ClearWeakRefs((PyObject *) m);
    __Pyx_CyFunction_clear(m);
    PyObject_GC_Del(m);
}
static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
{
    PyObject_GC_UnTrack(m);
    __Pyx__CyFunction_dealloc(m);
}
static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
{
    Py_VISIT(m->func_closure);
    Py_VISIT(m->func.m_module);
    Py_VISIT(m->func_dict);
    Py_VISIT(m->func_name);
    Py_VISIT(m->func_qualname);
    Py_VISIT(m->func_doc);
    Py_VISIT(m->func_globals);
    Py_VISIT(m->func_code);
    Py_VISIT(m->func_classobj);
    Py_VISIT(m->defaults_tuple);
    Py_VISIT(m->defaults_kwdict);
    if (m->defaults) {
        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
        int i;
        for (i = 0; i < m->defaults_pyobjects; i++)
            Py_VISIT(pydefaults[i]);
    }
    return 0;
}
static PyObject *__Pyx_CyFunction_descr_get(PyObject *func, PyObject *obj, PyObject *type)
{
#if PY_MAJOR_VERSION < 3
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    if (m->flags & __Pyx_CYFUNCTION_STATICMETHOD) {
        Py_INCREF(func);
        return func;
    }
    if (m->flags & __Pyx_CYFUNCTION_CLASSMETHOD) {
        if (type == NULL)
            type = (PyObject *)(Py_TYPE(obj));
        return __Pyx_PyMethod_New(func, type, (PyObject *)(Py_TYPE(type)));
    }
    if (obj == Py_None)
        obj = NULL;
#endif
    return __Pyx_PyMethod_New(func, obj, type);
}
static PyObject*
__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
{
#if PY_MAJOR_VERSION >= 3
    return PyUnicode_FromFormat("<cyfunction %U at %p>",
                                op->func_qualname, (void *)op);
#else
    return PyString_FromFormat("<cyfunction %s at %p>",
                               PyString_AsString(op->func_qualname), (void *)op);
#endif
}
static PyObject * __Pyx_CyFunction_CallMethod(PyObject *func, PyObject *self, PyObject *arg, PyObject *kw) {
    PyCFunctionObject* f = (PyCFunctionObject*)func;
    PyCFunction meth = f->m_ml->ml_meth;
    Py_ssize_t size;
    switch (f->m_ml->ml_flags & (METH_VARARGS | METH_KEYWORDS | METH_NOARGS | METH_O)) {
    case METH_VARARGS:
        if (likely(kw == NULL || PyDict_Size(kw) == 0))
            return (*meth)(self, arg);
        break;
    case METH_VARARGS | METH_KEYWORDS:
        return (*(PyCFunctionWithKeywords)(void*)meth)(self, arg, kw);
    case METH_NOARGS:
        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
            size = PyTuple_GET_SIZE(arg);
            if (likely(size == 0))
                return (*meth)(self, NULL);
            PyErr_Format(PyExc_TypeError,
                "%.200s() takes no arguments (%" CYTHON_FORMAT_SSIZE_T "d given)",
                f->m_ml->ml_name, size);
            return NULL;
        }
        break;
    case METH_O:
        if (likely(kw == NULL || PyDict_Size(kw) == 0)) {
            size = PyTuple_GET_SIZE(arg);
            if (likely(size == 1)) {
                PyObject *result, *arg0;
                #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
                arg0 = PyTuple_GET_ITEM(arg, 0);
                #else
                arg0 = PySequence_ITEM(arg, 0); if (unlikely(!arg0)) return NULL;
                #endif
                result = (*meth)(self, arg0);
                #if !(CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS)
                Py_DECREF(arg0);
                #endif
                return result;
            }
            PyErr_Format(PyExc_TypeError,
                "%.200s() takes exactly one argument (%" CYTHON_FORMAT_SSIZE_T "d given)",
                f->m_ml->ml_name, size);
            return NULL;
        }
        break;
    default:
        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
                        "__Pyx_CyFunction_Call. METH_OLDARGS is no "
                        "longer supported!");
        return NULL;
    }
    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
                 f->m_ml->ml_name);
    return NULL;
}
static CYTHON_INLINE PyObject *__Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
    return __Pyx_CyFunction_CallMethod(func, ((PyCFunctionObject*)func)->m_self, arg, kw);
}
static PyObject *__Pyx_CyFunction_CallAsMethod(PyObject *func, PyObject *args, PyObject *kw) {
    PyObject *result;
    __pyx_CyFunctionObject *cyfunc = (__pyx_CyFunctionObject *) func;
    if ((cyfunc->flags & __Pyx_CYFUNCTION_CCLASS) && !(cyfunc->flags & __Pyx_CYFUNCTION_STATICMETHOD)) {
        Py_ssize_t argc;
        PyObject *new_args;
        PyObject *self;
        argc = PyTuple_GET_SIZE(args);
        new_args = PyTuple_GetSlice(args, 1, argc);
        if (unlikely(!new_args))
            return NULL;
        self = PyTuple_GetItem(args, 0);
        if (unlikely(!self)) {
            Py_DECREF(new_args);
            return NULL;
        }
        result = __Pyx_CyFunction_CallMethod(func, self, new_args, kw);
        Py_DECREF(new_args);
    } else {
        result = __Pyx_CyFunction_Call(func, args, kw);
    }
    return result;
}
static PyTypeObject __pyx_CyFunctionType_type = {
    PyVarObject_HEAD_INIT(0, 0)
    "cython_function_or_method",
    sizeof(__pyx_CyFunctionObject),
    0,
    (destructor) __Pyx_CyFunction_dealloc,
    0,
    0,
    0,
#if PY_MAJOR_VERSION < 3
    0,
#else
    0,
#endif
    (reprfunc) __Pyx_CyFunction_repr,
    0,
    0,
    0,
    0,
    __Pyx_CyFunction_CallAsMethod,
    0,
    0,
    0,
    0,
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
    0,
    (traverseproc) __Pyx_CyFunction_traverse,
    (inquiry) __Pyx_CyFunction_clear,
    0,
#if PY_VERSION_HEX < 0x030500A0
    offsetof(__pyx_CyFunctionObject, func_weakreflist),
#else
    offsetof(PyCFunctionObject, m_weakreflist),
#endif
    0,
    0,
    __pyx_CyFunction_methods,
    __pyx_CyFunction_members,
    __pyx_CyFunction_getsets,
    0,
    0,
    __Pyx_CyFunction_descr_get,
    0,
    offsetof(__pyx_CyFunctionObject, func_dict),
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
#if PY_VERSION_HEX >= 0x030400a1
    0,
#endif
#if PY_VERSION_HEX >= 0x030800b1
    0,
#endif
#if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
    0,
#endif
};
static int __pyx_CyFunction_init(void) {
    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
    if (unlikely(__pyx_CyFunctionType == NULL)) {
        return -1;
    }
    return 0;
}
static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->defaults = PyObject_Malloc(size);
    if (unlikely(!m->defaults))
        return PyErr_NoMemory();
    memset(m->defaults, 0, size);
    m->defaults_pyobjects = pyobjects;
    m->defaults_size = size;
    return m->defaults;
}
static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->defaults_tuple = tuple;
    Py_INCREF(tuple);
}
static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->defaults_kwdict = dict;
    Py_INCREF(dict);
}
static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
    m->func_annotations = dict;
    Py_INCREF(dict);
}

/* CythonFunction */
static PyObject *__Pyx_CyFunction_New(PyMethodDef *ml, int flags, PyObject* qualname,
                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
    PyObject *op = __Pyx_CyFunction_Init(
        PyObject_GC_New(__pyx_CyFunctionObject, __pyx_CyFunctionType),
        ml, flags, qualname, closure, module, globals, code
    );
    if (likely(op)) {
        PyObject_GC_Track(op);
    }
    return op;
}

/* GetTopmostException */
#if CYTHON_USE_EXC_INFO_STACK
static _PyErr_StackItem *
__Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
{
    _PyErr_StackItem *exc_info = tstate->exc_info;
    while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) &&
           exc_info->previous_item != NULL)
    {
        exc_info = exc_info->previous_item;
    }
    return exc_info;
}
#endif

/* SaveResetException */
#if CYTHON_FAST_THREAD_STATE
static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
    #if CYTHON_USE_EXC_INFO_STACK
    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
    *type = exc_info->exc_type;
    *value = exc_info->exc_value;
    *tb = exc_info->exc_traceback;
    #else
    *type = tstate->exc_type;
    *value = tstate->exc_value;
    *tb = tstate->exc_traceback;
    #endif
    Py_XINCREF(*type);
    Py_XINCREF(*value);
    Py_XINCREF(*tb);
}
static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    #if CYTHON_USE_EXC_INFO_STACK
    _PyErr_StackItem *exc_info = tstate->exc_info;
    tmp_type = exc_info->exc_type;
    tmp_value = exc_info->exc_value;
    tmp_tb = exc_info->exc_traceback;
    exc_info->exc_type = type;
    exc_info->exc_value = value;
    exc_info->exc_traceback = tb;
    #else
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = type;
    tstate->exc_value = value;
    tstate->exc_traceback = tb;
    #endif
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
}
#endif

/* FastTypeChecks */
#if CYTHON_COMPILING_IN_CPYTHON
static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
    while (a) {
        a = a->tp_base;
        if (a == b)
            return 1;
    }
    return b == &PyBaseObject_Type;
}
static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
    PyObject *mro;
    if (a == b) return 1;
    mro = a->tp_mro;
    if (likely(mro)) {
        Py_ssize_t i, n;
        n = PyTuple_GET_SIZE(mro);
        for (i = 0; i < n; i++) {
            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
                return 1;
        }
        return 0;
    }
    return __Pyx_InBases(a, b);
}
#if PY_MAJOR_VERSION == 2
static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
    PyObject *exception, *value, *tb;
    int res;
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    __Pyx_ErrFetch(&exception, &value, &tb);
    res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
    if (unlikely(res == -1)) {
        PyErr_WriteUnraisable(err);
        res = 0;
    }
    if (!res) {
        res = PyObject_IsSubclass(err, exc_type2);
        if (unlikely(res == -1)) {
            PyErr_WriteUnraisable(err);
            res = 0;
        }
    }
    __Pyx_ErrRestore(exception, value, tb);
    return res;
}
#else
static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
    int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0;
    if (!res) {
        res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
    }
    return res;
}
#endif
static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
    Py_ssize_t i, n;
    assert(PyExceptionClass_Check(exc_type));
    n = PyTuple_GET_SIZE(tuple);
#if PY_MAJOR_VERSION >= 3
    for (i=0; i<n; i++) {
        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
    }
#endif
    for (i=0; i<n; i++) {
        PyObject *t = PyTuple_GET_ITEM(tuple, i);
        #if PY_MAJOR_VERSION < 3
        if (likely(exc_type == t)) return 1;
        #endif
        if (likely(PyExceptionClass_Check(t))) {
            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
        } else {
        }
    }
    return 0;
}
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
    if (likely(err == exc_type)) return 1;
    if (likely(PyExceptionClass_Check(err))) {
        if (likely(PyExceptionClass_Check(exc_type))) {
            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
        } else if (likely(PyTuple_Check(exc_type))) {
            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
        } else {
        }
    }
    return PyErr_GivenExceptionMatches(err, exc_type);
}
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
    assert(PyExceptionClass_Check(exc_type1));
    assert(PyExceptionClass_Check(exc_type2));
    if (likely(err == exc_type1 || err == exc_type2)) return 1;
    if (likely(PyExceptionClass_Check(err))) {
        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
    }
    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
}
#endif

/* GetException */
#if CYTHON_FAST_THREAD_STATE
static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb)
#else
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
#endif
{
    PyObject *local_type, *local_value, *local_tb;
#if CYTHON_FAST_THREAD_STATE
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    local_type = tstate->curexc_type;
    local_value = tstate->curexc_value;
    local_tb = tstate->curexc_traceback;
    tstate->curexc_type = 0;
    tstate->curexc_value = 0;
    tstate->curexc_traceback = 0;
#else
    PyErr_Fetch(&local_type, &local_value, &local_tb);
#endif
    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
#if CYTHON_FAST_THREAD_STATE
    if (unlikely(tstate->curexc_type))
#else
    if (unlikely(PyErr_Occurred()))
#endif
        goto bad;
    #if PY_MAJOR_VERSION >= 3
    if (local_tb) {
        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
            goto bad;
    }
    #endif
    Py_XINCREF(local_tb);
    Py_XINCREF(local_type);
    Py_XINCREF(local_value);
    *type = local_type;
    *value = local_value;
    *tb = local_tb;
#if CYTHON_FAST_THREAD_STATE
    #if CYTHON_USE_EXC_INFO_STACK
    {
        _PyErr_StackItem *exc_info = tstate->exc_info;
        tmp_type = exc_info->exc_type;
        tmp_value = exc_info->exc_value;
        tmp_tb = exc_info->exc_traceback;
        exc_info->exc_type = local_type;
        exc_info->exc_value = local_value;
        exc_info->exc_traceback = local_tb;
    }
    #else
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = local_type;
    tstate->exc_value = local_value;
    tstate->exc_traceback = local_tb;
    #endif
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
#else
    PyErr_SetExcInfo(local_type, local_value, local_tb);
#endif
    return 0;
bad:
    *type = 0;
    *value = 0;
    *tb = 0;
    Py_XDECREF(local_type);
    Py_XDECREF(local_value);
    Py_XDECREF(local_tb);
    return -1;
}

/* SwapException */
#if CYTHON_FAST_THREAD_STATE
static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    #if CYTHON_USE_EXC_INFO_STACK
    _PyErr_StackItem *exc_info = tstate->exc_info;
    tmp_type = exc_info->exc_type;
    tmp_value = exc_info->exc_value;
    tmp_tb = exc_info->exc_traceback;
    exc_info->exc_type = *type;
    exc_info->exc_value = *value;
    exc_info->exc_traceback = *tb;
    #else
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = *type;
    tstate->exc_value = *value;
    tstate->exc_traceback = *tb;
    #endif
    *type = tmp_type;
    *value = tmp_value;
    *tb = tmp_tb;
}
#else
static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
    PyErr_SetExcInfo(*type, *value, *tb);
    *type = tmp_type;
    *value = tmp_value;
    *tb = tmp_tb;
}
#endif

/* None */
static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname) {
    PyErr_Format(PyExc_NameError, "free variable '%s' referenced before assignment in enclosing scope", varname);
}

/* GetItemInt */
static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
    PyObject *r;
    if (!j) return NULL;
    r = PyObject_GetItem(o, j);
    Py_DECREF(j);
    return r;
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
                                                              CYTHON_NCP_UNUSED int wraparound,
                                                              CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
    Py_ssize_t wrapped_i = i;
    if (wraparound & unlikely(i < 0)) {
        wrapped_i += PyList_GET_SIZE(o);
    }
    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) {
        PyObject *r = PyList_GET_ITEM(o, wrapped_i);
        Py_INCREF(r);
        return r;
    }
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
    return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
                                                              CYTHON_NCP_UNUSED int wraparound,
                                                              CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
    Py_ssize_t wrapped_i = i;
    if (wraparound & unlikely(i < 0)) {
        wrapped_i += PyTuple_GET_SIZE(o);
    }
    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) {
        PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
        Py_INCREF(r);
        return r;
    }
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
#else
    return PySequence_GetItem(o, i);
#endif
}
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
                                                     CYTHON_NCP_UNUSED int wraparound,
                                                     CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
    if (is_list || PyList_CheckExact(o)) {
        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
        if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) {
            PyObject *r = PyList_GET_ITEM(o, n);
            Py_INCREF(r);
            return r;
        }
    }
    else if (PyTuple_CheckExact(o)) {
        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) {
            PyObject *r = PyTuple_GET_ITEM(o, n);
            Py_INCREF(r);
            return r;
        }
    } else {
        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
        if (likely(m && m->sq_item)) {
            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
                Py_ssize_t l = m->sq_length(o);
                if (likely(l >= 0)) {
                    i += l;
                } else {
                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
                        return NULL;
                    PyErr_Clear();
                }
            }
            return m->sq_item(o, i);
        }
    }
#else
    if (is_list || PySequence_Check(o)) {
        return PySequence_GetItem(o, i);
    }
#endif
    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
}

/* SliceObject */
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(PyObject* obj,
        Py_ssize_t cstart, Py_ssize_t cstop,
        PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice,
        int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) {
#if CYTHON_USE_TYPE_SLOTS
    PyMappingMethods* mp;
#if PY_MAJOR_VERSION < 3
    PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence;
    if (likely(ms && ms->sq_slice)) {
        if (!has_cstart) {
            if (_py_start && (*_py_start != Py_None)) {
                cstart = __Pyx_PyIndex_AsSsize_t(*_py_start);
                if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
            } else
                cstart = 0;
        }
        if (!has_cstop) {
            if (_py_stop && (*_py_stop != Py_None)) {
                cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop);
                if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
            } else
                cstop = PY_SSIZE_T_MAX;
        }
        if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) {
            Py_ssize_t l = ms->sq_length(obj);
            if (likely(l >= 0)) {
                if (cstop < 0) {
                    cstop += l;
                    if (cstop < 0) cstop = 0;
                }
                if (cstart < 0) {
                    cstart += l;
                    if (cstart < 0) cstart = 0;
                }
            } else {
                if (!PyErr_ExceptionMatches(PyExc_OverflowError))
                    goto bad;
                PyErr_Clear();
            }
        }
        return ms->sq_slice(obj, cstart, cstop);
    }
#endif
    mp = Py_TYPE(obj)->tp_as_mapping;
    if (likely(mp && mp->mp_subscript))
#endif
    {
        PyObject* result;
        PyObject *py_slice, *py_start, *py_stop;
        if (_py_slice) {
            py_slice = *_py_slice;
        } else {
            PyObject* owned_start = NULL;
            PyObject* owned_stop = NULL;
            if (_py_start) {
                py_start = *_py_start;
            } else {
                if (has_cstart) {
                    owned_start = py_start = PyInt_FromSsize_t(cstart);
                    if (unlikely(!py_start)) goto bad;
                } else
                    py_start = Py_None;
            }
            if (_py_stop) {
                py_stop = *_py_stop;
            } else {
                if (has_cstop) {
                    owned_stop = py_stop = PyInt_FromSsize_t(cstop);
                    if (unlikely(!py_stop)) {
                        Py_XDECREF(owned_start);
                        goto bad;
                    }
                } else
                    py_stop = Py_None;
            }
            py_slice = PySlice_New(py_start, py_stop, Py_None);
            Py_XDECREF(owned_start);
            Py_XDECREF(owned_stop);
            if (unlikely(!py_slice)) goto bad;
        }
#if CYTHON_USE_TYPE_SLOTS
        result = mp->mp_subscript(obj, py_slice);
#else
        result = PyObject_GetItem(obj, py_slice);
#endif
        if (!_py_slice) {
            Py_DECREF(py_slice);
        }
        return result;
    }
    PyErr_Format(PyExc_TypeError,
        "'%.200s' object is unsliceable", Py_TYPE(obj)->tp_name);
bad:
    return NULL;
}

/* RaiseTooManyValuesToUnpack */
static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
    PyErr_Format(PyExc_ValueError,
                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
}

/* RaiseNeedMoreValuesToUnpack */
static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
    PyErr_Format(PyExc_ValueError,
                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
                 index, (index == 1) ? "" : "s");
}

/* IterFinish */
static CYTHON_INLINE int __Pyx_IterFinish(void) {
#if CYTHON_FAST_THREAD_STATE
    PyThreadState *tstate = __Pyx_PyThreadState_Current;
    PyObject* exc_type = tstate->curexc_type;
    if (unlikely(exc_type)) {
        if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) {
            PyObject *exc_value, *exc_tb;
            exc_value = tstate->curexc_value;
            exc_tb = tstate->curexc_traceback;
            tstate->curexc_type = 0;
            tstate->curexc_value = 0;
            tstate->curexc_traceback = 0;
            Py_DECREF(exc_type);
            Py_XDECREF(exc_value);
            Py_XDECREF(exc_tb);
            return 0;
        } else {
            return -1;
        }
    }
    return 0;
#else
    if (unlikely(PyErr_Occurred())) {
        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
            PyErr_Clear();
            return 0;
        } else {
            return -1;
        }
    }
    return 0;
#endif
}

/* UnpackItemEndCheck */
static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
    if (unlikely(retval)) {
        Py_DECREF(retval);
        __Pyx_RaiseTooManyValuesError(expected);
        return -1;
    } else {
        return __Pyx_IterFinish();
    }
    return 0;
}

/* SetItemInt */
static int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v) {
    int r;
    if (!j) return -1;
    r = PyObject_SetItem(o, j, v);
    Py_DECREF(j);
    return r;
}
static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v, int is_list,
                                               CYTHON_NCP_UNUSED int wraparound, CYTHON_NCP_UNUSED int boundscheck) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
    if (is_list || PyList_CheckExact(o)) {
        Py_ssize_t n = (!wraparound) ? i : ((likely(i >= 0)) ? i : i + PyList_GET_SIZE(o));
        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o)))) {
            PyObject* old = PyList_GET_ITEM(o, n);
            Py_INCREF(v);
            PyList_SET_ITEM(o, n, v);
            Py_DECREF(old);
            return 1;
        }
    } else {
        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
        if (likely(m && m->sq_ass_item)) {
            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
                Py_ssize_t l = m->sq_length(o);
                if (likely(l >= 0)) {
                    i += l;
                } else {
                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
                        return -1;
                    PyErr_Clear();
                }
            }
            return m->sq_ass_item(o, i, v);
        }
    }
#else
#if CYTHON_COMPILING_IN_PYPY
    if (is_list || (PySequence_Check(o) && !PyDict_Check(o)))
#else
    if (is_list || PySequence_Check(o))
#endif
    {
        return PySequence_SetItem(o, i, v);
    }
#endif
    return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
}

/* PyObjectGetMethod */
static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) {
    PyObject *attr;
#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP
    PyTypeObject *tp = Py_TYPE(obj);
    PyObject *descr;
    descrgetfunc f = NULL;
    PyObject **dictptr, *dict;
    int meth_found = 0;
    assert (*method == NULL);
    if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) {
        attr = __Pyx_PyObject_GetAttrStr(obj, name);
        goto try_unpack;
    }
    if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) {
        return 0;
    }
    descr = _PyType_Lookup(tp, name);
    if (likely(descr != NULL)) {
        Py_INCREF(descr);
#if PY_MAJOR_VERSION >= 3
        #ifdef __Pyx_CyFunction_USED
        if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr)))
        #else
        if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type)))
        #endif
#else
        #ifdef __Pyx_CyFunction_USED
        if (likely(PyFunction_Check(descr) || __Pyx_CyFunction_Check(descr)))
        #else
        if (likely(PyFunction_Check(descr)))
        #endif
#endif
        {
            meth_found = 1;
        } else {
            f = Py_TYPE(descr)->tp_descr_get;
            if (f != NULL && PyDescr_IsData(descr)) {
                attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
                Py_DECREF(descr);
                goto try_unpack;
            }
        }
    }
    dictptr = _PyObject_GetDictPtr(obj);
    if (dictptr != NULL && (dict = *dictptr) != NULL) {
        Py_INCREF(dict);
        attr = __Pyx_PyDict_GetItemStr(dict, name);
        if (attr != NULL) {
            Py_INCREF(attr);
            Py_DECREF(dict);
            Py_XDECREF(descr);
            goto try_unpack;
        }
        Py_DECREF(dict);
    }
    if (meth_found) {
        *method = descr;
        return 1;
    }
    if (f != NULL) {
        attr = f(descr, obj, (PyObject *)Py_TYPE(obj));
        Py_DECREF(descr);
        goto try_unpack;
    }
    if (descr != NULL) {
        *method = descr;
        return 0;
    }
    PyErr_Format(PyExc_AttributeError,
#if PY_MAJOR_VERSION >= 3
                 "'%.50s' object has no attribute '%U'",
                 tp->tp_name, name);
#else
                 "'%.50s' object has no attribute '%.400s'",
                 tp->tp_name, PyString_AS_STRING(name));
#endif
    return 0;
#else
    attr = __Pyx_PyObject_GetAttrStr(obj, name);
    goto try_unpack;
#endif
try_unpack:
#if CYTHON_UNPACK_METHODS
    if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) {
        PyObject *function = PyMethod_GET_FUNCTION(attr);
        Py_INCREF(function);
        Py_DECREF(attr);
        *method = function;
        return 1;
    }
#endif
    *method = attr;
    return 0;
}

/* PyObjectCallMethod1 */
static PyObject* __Pyx__PyObject_CallMethod1(PyObject* method, PyObject* arg) {
    PyObject *result = __Pyx_PyObject_CallOneArg(method, arg);
    Py_DECREF(method);
    return result;
}
static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg) {
    PyObject *method = NULL, *result;
    int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method);
    if (likely(is_method)) {
        result = __Pyx_PyObject_Call2Args(method, obj, arg);
        Py_DECREF(method);
        return result;
    }
    if (unlikely(!method)) return NULL;
    return __Pyx__PyObject_CallMethod1(method, arg);
}

/* append */
static CYTHON_INLINE int __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
    if (likely(PyList_CheckExact(L))) {
        if (unlikely(__Pyx_PyList_Append(L, x) < 0)) return -1;
    } else {
        PyObject* retval = __Pyx_PyObject_CallMethod1(L, __pyx_n_s_append, x);
        if (unlikely(!retval))
            return -1;
        Py_DECREF(retval);
    }
    return 0;
}

/* DictGetItem */
#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
    PyObject *value;
    value = PyDict_GetItemWithError(d, key);
    if (unlikely(!value)) {
        if (!PyErr_Occurred()) {
            if (unlikely(PyTuple_Check(key))) {
                PyObject* args = PyTuple_Pack(1, key);
                if (likely(args)) {
                    PyErr_SetObject(PyExc_KeyError, args);
                    Py_DECREF(args);
                }
            } else {
                PyErr_SetObject(PyExc_KeyError, key);
            }
        }
        return NULL;
    }
    Py_INCREF(value);
    return value;
}
#endif

/* PyIntBinop */
#if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, int inplace, int zerodivision_check) {
    (void)inplace;
    (void)zerodivision_check;
    #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_CheckExact(op1))) {
        const long b = intval;
        long x;
        long a = PyInt_AS_LONG(op1);
            x = (long)((unsigned long)a + b);
            if (likely((x^a) >= 0 || (x^b) >= 0))
                return PyInt_FromLong(x);
            return PyLong_Type.tp_as_number->nb_add(op1, op2);
    }
    #endif
    #if CYTHON_USE_PYLONG_INTERNALS
    if (likely(PyLong_CheckExact(op1))) {
        const long b = intval;
        long a, x;
#ifdef HAVE_LONG_LONG
        const PY_LONG_LONG llb = intval;
        PY_LONG_LONG lla, llx;
#endif
        const digit* digits = ((PyLongObject*)op1)->ob_digit;
        const Py_ssize_t size = Py_SIZE(op1);
        if (likely(__Pyx_sst_abs(size) <= 1)) {
            a = likely(size) ? digits[0] : 0;
            if (size == -1) a = -a;
        } else {
            switch (size) {
                case -2:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case 2:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case -3:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case 3:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case -4:
                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                        a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case 4:
                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                        a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                default: return PyLong_Type.tp_as_number->nb_add(op1, op2);
            }
        }
                x = a + b;
            return PyLong_FromLong(x);
#ifdef HAVE_LONG_LONG
        long_long:
                llx = lla + llb;
            return PyLong_FromLongLong(llx);
#endif
        
        
    }
    #endif
    if (PyFloat_CheckExact(op1)) {
        const long b = intval;
        double a = PyFloat_AS_DOUBLE(op1);
            double result;
            PyFPE_START_PROTECT("add", return NULL)
            result = ((double)a) + (double)b;
            PyFPE_END_PROTECT(result)
            return PyFloat_FromDouble(result);
    }
    return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2);
}
#endif

/* UnpackUnboundCMethod */
static int __Pyx_TryUnpackUnboundCMethod(__Pyx_CachedCFunction* target) {
    PyObject *method;
    method = __Pyx_PyObject_GetAttrStr(target->type, *target->method_name);
    if (unlikely(!method))
        return -1;
    target->method = method;
#if CYTHON_COMPILING_IN_CPYTHON
    #if PY_MAJOR_VERSION >= 3
    if (likely(__Pyx_TypeCheck(method, &PyMethodDescr_Type)))
    #endif
    {
        PyMethodDescrObject *descr = (PyMethodDescrObject*) method;
        target->func = descr->d_method->ml_meth;
        target->flag = descr->d_method->ml_flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_STACKLESS);
    }
#endif
    return 0;
}

/* CallUnboundCMethod1 */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg) {
    if (likely(cfunc->func)) {
        int flag = cfunc->flag;
        if (flag == METH_O) {
            return (*(cfunc->func))(self, arg);
        } else if (PY_VERSION_HEX >= 0x030600B1 && flag == METH_FASTCALL) {
            if (PY_VERSION_HEX >= 0x030700A0) {
                return (*(__Pyx_PyCFunctionFast)(void*)(PyCFunction)cfunc->func)(self, &arg, 1);
            } else {
                return (*(__Pyx_PyCFunctionFastWithKeywords)(void*)(PyCFunction)cfunc->func)(self, &arg, 1, NULL);
            }
        } else if (PY_VERSION_HEX >= 0x030700A0 && flag == (METH_FASTCALL | METH_KEYWORDS)) {
            return (*(__Pyx_PyCFunctionFastWithKeywords)(void*)(PyCFunction)cfunc->func)(self, &arg, 1, NULL);
        }
    }
    return __Pyx__CallUnboundCMethod1(cfunc, self, arg);
}
#endif
static PyObject* __Pyx__CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg){
    PyObject *args, *result = NULL;
    if (unlikely(!cfunc->func && !cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL;
#if CYTHON_COMPILING_IN_CPYTHON
    if (cfunc->func && (cfunc->flag & METH_VARARGS)) {
        args = PyTuple_New(1);
        if (unlikely(!args)) goto bad;
        Py_INCREF(arg);
        PyTuple_SET_ITEM(args, 0, arg);
        if (cfunc->flag & METH_KEYWORDS)
            result = (*(PyCFunctionWithKeywords)(void*)(PyCFunction)cfunc->func)(self, args, NULL);
        else
            result = (*cfunc->func)(self, args);
    } else {
        args = PyTuple_New(2);
        if (unlikely(!args)) goto bad;
        Py_INCREF(self);
        PyTuple_SET_ITEM(args, 0, self);
        Py_INCREF(arg);
        PyTuple_SET_ITEM(args, 1, arg);
        result = __Pyx_PyObject_Call(cfunc->method, args, NULL);
    }
#else
    args = PyTuple_Pack(2, self, arg);
    if (unlikely(!args)) goto bad;
    result = __Pyx_PyObject_Call(cfunc->method, args, NULL);
#endif
bad:
    Py_XDECREF(args);
    return result;
}

/* CallUnboundCMethod2 */
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030600B1
static CYTHON_INLINE PyObject *__Pyx_CallUnboundCMethod2(__Pyx_CachedCFunction *cfunc, PyObject *self, PyObject *arg1, PyObject *arg2) {
    if (likely(cfunc->func)) {
        PyObject *args[2] = {arg1, arg2};
        if (cfunc->flag == METH_FASTCALL) {
            #if PY_VERSION_HEX >= 0x030700A0
            return (*(__Pyx_PyCFunctionFast)(void*)(PyCFunction)cfunc->func)(self, args, 2);
            #else
            return (*(__Pyx_PyCFunctionFastWithKeywords)(void*)(PyCFunction)cfunc->func)(self, args, 2, NULL);
            #endif
        }
        #if PY_VERSION_HEX >= 0x030700A0
        if (cfunc->flag == (METH_FASTCALL | METH_KEYWORDS))
            return (*(__Pyx_PyCFunctionFastWithKeywords)(void*)(PyCFunction)cfunc->func)(self, args, 2, NULL);
        #endif
    }
    return __Pyx__CallUnboundCMethod2(cfunc, self, arg1, arg2);
}
#endif
static PyObject* __Pyx__CallUnboundCMethod2(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg1, PyObject* arg2){
    PyObject *args, *result = NULL;
    if (unlikely(!cfunc->func && !cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL;
#if CYTHON_COMPILING_IN_CPYTHON
    if (cfunc->func && (cfunc->flag & METH_VARARGS)) {
        args = PyTuple_New(2);
        if (unlikely(!args)) goto bad;
        Py_INCREF(arg1);
        PyTuple_SET_ITEM(args, 0, arg1);
        Py_INCREF(arg2);
        PyTuple_SET_ITEM(args, 1, arg2);
        if (cfunc->flag & METH_KEYWORDS)
            result = (*(PyCFunctionWithKeywords)(void*)(PyCFunction)cfunc->func)(self, args, NULL);
        else
            result = (*cfunc->func)(self, args);
    } else {
        args = PyTuple_New(3);
        if (unlikely(!args)) goto bad;
        Py_INCREF(self);
        PyTuple_SET_ITEM(args, 0, self);
        Py_INCREF(arg1);
        PyTuple_SET_ITEM(args, 1, arg1);
        Py_INCREF(arg2);
        PyTuple_SET_ITEM(args, 2, arg2);
        result = __Pyx_PyObject_Call(cfunc->method, args, NULL);
    }
#else
    args = PyTuple_Pack(3, self, arg1, arg2);
    if (unlikely(!args)) goto bad;
    result = __Pyx_PyObject_Call(cfunc->method, args, NULL);
#endif
bad:
    Py_XDECREF(args);
    return result;
}

/* dict_getitem_default */
static PyObject* __Pyx_PyDict_GetItemDefault(PyObject* d, PyObject* key, PyObject* default_value) {
    PyObject* value;
#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
    value = PyDict_GetItemWithError(d, key);
    if (unlikely(!value)) {
        if (unlikely(PyErr_Occurred()))
            return NULL;
        value = default_value;
    }
    Py_INCREF(value);
    if ((1));
#else
    if (PyString_CheckExact(key) || PyUnicode_CheckExact(key) || PyInt_CheckExact(key)) {
        value = PyDict_GetItem(d, key);
        if (unlikely(!value)) {
            value = default_value;
        }
        Py_INCREF(value);
    }
#endif
    else {
        if (default_value == Py_None)
            value = __Pyx_CallUnboundCMethod1(&__pyx_umethod_PyDict_Type_get, d, key);
        else
            value = __Pyx_CallUnboundCMethod2(&__pyx_umethod_PyDict_Type_get, d, key, default_value);
    }
    return value;
}

/* CallUnboundCMethod0 */
static PyObject* __Pyx__CallUnboundCMethod0(__Pyx_CachedCFunction* cfunc, PyObject* self) {
    PyObject *args, *result = NULL;
    if (unlikely(!cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL;
#if CYTHON_ASSUME_SAFE_MACROS
    args = PyTuple_New(1);
    if (unlikely(!args)) goto bad;
    Py_INCREF(self);
    PyTuple_SET_ITEM(args, 0, self);
#else
    args = PyTuple_Pack(1, self);
    if (unlikely(!args)) goto bad;
#endif
    result = __Pyx_PyObject_Call(cfunc->method, args, NULL);
    Py_DECREF(args);
bad:
    return result;
}

/* py_dict_items */
static CYTHON_INLINE PyObject* __Pyx_PyDict_Items(PyObject* d) {
    if (PY_MAJOR_VERSION >= 3)
        return __Pyx_CallUnboundCMethod0(&__pyx_umethod_PyDict_Type_items, d);
    else
        return PyDict_Items(d);
}

/* BytesEquals */
static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
#if CYTHON_COMPILING_IN_PYPY
    return PyObject_RichCompareBool(s1, s2, equals);
#else
    if (s1 == s2) {
        return (equals == Py_EQ);
    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
        const char *ps1, *ps2;
        Py_ssize_t length = PyBytes_GET_SIZE(s1);
        if (length != PyBytes_GET_SIZE(s2))
            return (equals == Py_NE);
        ps1 = PyBytes_AS_STRING(s1);
        ps2 = PyBytes_AS_STRING(s2);
        if (ps1[0] != ps2[0]) {
            return (equals == Py_NE);
        } else if (length == 1) {
            return (equals == Py_EQ);
        } else {
            int result;
#if CYTHON_USE_UNICODE_INTERNALS
            Py_hash_t hash1, hash2;
            hash1 = ((PyBytesObject*)s1)->ob_shash;
            hash2 = ((PyBytesObject*)s2)->ob_shash;
            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
                return (equals == Py_NE);
            }
#endif
            result = memcmp(ps1, ps2, (size_t)length);
            return (equals == Py_EQ) ? (result == 0) : (result != 0);
        }
    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
        return (equals == Py_NE);
    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
        return (equals == Py_NE);
    } else {
        int result;
        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
        if (!py_result)
            return -1;
        result = __Pyx_PyObject_IsTrue(py_result);
        Py_DECREF(py_result);
        return result;
    }
#endif
}

/* UnicodeEquals */
static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
#if CYTHON_COMPILING_IN_PYPY
    return PyObject_RichCompareBool(s1, s2, equals);
#else
#if PY_MAJOR_VERSION < 3
    PyObject* owned_ref = NULL;
#endif
    int s1_is_unicode, s2_is_unicode;
    if (s1 == s2) {
        goto return_eq;
    }
    s1_is_unicode = PyUnicode_CheckExact(s1);
    s2_is_unicode = PyUnicode_CheckExact(s2);
#if PY_MAJOR_VERSION < 3
    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
        owned_ref = PyUnicode_FromObject(s2);
        if (unlikely(!owned_ref))
            return -1;
        s2 = owned_ref;
        s2_is_unicode = 1;
    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
        owned_ref = PyUnicode_FromObject(s1);
        if (unlikely(!owned_ref))
            return -1;
        s1 = owned_ref;
        s1_is_unicode = 1;
    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
        return __Pyx_PyBytes_Equals(s1, s2, equals);
    }
#endif
    if (s1_is_unicode & s2_is_unicode) {
        Py_ssize_t length;
        int kind;
        void *data1, *data2;
        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
            return -1;
        length = __Pyx_PyUnicode_GET_LENGTH(s1);
        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
            goto return_ne;
        }
#if CYTHON_USE_UNICODE_INTERNALS
        {
            Py_hash_t hash1, hash2;
        #if CYTHON_PEP393_ENABLED
            hash1 = ((PyASCIIObject*)s1)->hash;
            hash2 = ((PyASCIIObject*)s2)->hash;
        #else
            hash1 = ((PyUnicodeObject*)s1)->hash;
            hash2 = ((PyUnicodeObject*)s2)->hash;
        #endif
            if (hash1 != hash2 && hash1 != -1 && hash2 != -1) {
                goto return_ne;
            }
        }
#endif
        kind = __Pyx_PyUnicode_KIND(s1);
        if (kind != __Pyx_PyUnicode_KIND(s2)) {
            goto return_ne;
        }
        data1 = __Pyx_PyUnicode_DATA(s1);
        data2 = __Pyx_PyUnicode_DATA(s2);
        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
            goto return_ne;
        } else if (length == 1) {
            goto return_eq;
        } else {
            int result = memcmp(data1, data2, (size_t)(length * kind));
            #if PY_MAJOR_VERSION < 3
            Py_XDECREF(owned_ref);
            #endif
            return (equals == Py_EQ) ? (result == 0) : (result != 0);
        }
    } else if ((s1 == Py_None) & s2_is_unicode) {
        goto return_ne;
    } else if ((s2 == Py_None) & s1_is_unicode) {
        goto return_ne;
    } else {
        int result;
        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
        #if PY_MAJOR_VERSION < 3
        Py_XDECREF(owned_ref);
        #endif
        if (!py_result)
            return -1;
        result = __Pyx_PyObject_IsTrue(py_result);
        Py_DECREF(py_result);
        return result;
    }
return_eq:
    #if PY_MAJOR_VERSION < 3
    Py_XDECREF(owned_ref);
    #endif
    return (equals == Py_EQ);
return_ne:
    #if PY_MAJOR_VERSION < 3
    Py_XDECREF(owned_ref);
    #endif
    return (equals == Py_NE);
#endif
}

/* PyObject_GenericGetAttrNoDict */
#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
    PyErr_Format(PyExc_AttributeError,
#if PY_MAJOR_VERSION >= 3
                 "'%.50s' object has no attribute '%U'",
                 tp->tp_name, attr_name);
#else
                 "'%.50s' object has no attribute '%.400s'",
                 tp->tp_name, PyString_AS_STRING(attr_name));
#endif
    return NULL;
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
    PyObject *descr;
    PyTypeObject *tp = Py_TYPE(obj);
    if (unlikely(!PyString_Check(attr_name))) {
        return PyObject_GenericGetAttr(obj, attr_name);
    }
    assert(!tp->tp_dictoffset);
    descr = _PyType_Lookup(tp, attr_name);
    if (unlikely(!descr)) {
        return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
    }
    Py_INCREF(descr);
    #if PY_MAJOR_VERSION < 3
    if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
    #endif
    {
        descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
        if (unlikely(f)) {
            PyObject *res = f(descr, obj, (PyObject *)tp);
            Py_DECREF(descr);
            return res;
        }
    }
    return descr;
}
#endif

/* CalculateMetaclass */
static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases) {
    Py_ssize_t i, nbases = PyTuple_GET_SIZE(bases);
    for (i=0; i < nbases; i++) {
        PyTypeObject *tmptype;
        PyObject *tmp = PyTuple_GET_ITEM(bases, i);
        tmptype = Py_TYPE(tmp);
#if PY_MAJOR_VERSION < 3
        if (tmptype == &PyClass_Type)
            continue;
#endif
        if (!metaclass) {
            metaclass = tmptype;
            continue;
        }
        if (PyType_IsSubtype(metaclass, tmptype))
            continue;
        if (PyType_IsSubtype(tmptype, metaclass)) {
            metaclass = tmptype;
            continue;
        }
        PyErr_SetString(PyExc_TypeError,
                        "metaclass conflict: "
                        "the metaclass of a derived class "
                        "must be a (non-strict) subclass "
                        "of the metaclasses of all its bases");
        return NULL;
    }
    if (!metaclass) {
#if PY_MAJOR_VERSION < 3
        metaclass = &PyClass_Type;
#else
        metaclass = &PyType_Type;
#endif
    }
    Py_INCREF((PyObject*) metaclass);
    return (PyObject*) metaclass;
}

/* Py3ClassCreate */
static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name,
                                           PyObject *qualname, PyObject *mkw, PyObject *modname, PyObject *doc) {
    PyObject *ns;
    if (metaclass) {
        PyObject *prep = __Pyx_PyObject_GetAttrStr(metaclass, __pyx_n_s_prepare);
        if (prep) {
            PyObject *pargs = PyTuple_Pack(2, name, bases);
            if (unlikely(!pargs)) {
                Py_DECREF(prep);
                return NULL;
            }
            ns = PyObject_Call(prep, pargs, mkw);
            Py_DECREF(prep);
            Py_DECREF(pargs);
        } else {
            if (unlikely(!PyErr_ExceptionMatches(PyExc_AttributeError)))
                return NULL;
            PyErr_Clear();
            ns = PyDict_New();
        }
    } else {
        ns = PyDict_New();
    }
    if (unlikely(!ns))
        return NULL;
    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_module, modname) < 0)) goto bad;
    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_qualname, qualname) < 0)) goto bad;
    if (unlikely(doc && PyObject_SetItem(ns, __pyx_n_s_doc, doc) < 0)) goto bad;
    return ns;
bad:
    Py_DECREF(ns);
    return NULL;
}
static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases,
                                      PyObject *dict, PyObject *mkw,
                                      int calculate_metaclass, int allow_py2_metaclass) {
    PyObject *result, *margs;
    PyObject *owned_metaclass = NULL;
    if (allow_py2_metaclass) {
        owned_metaclass = PyObject_GetItem(dict, __pyx_n_s_metaclass);
        if (owned_metaclass) {
            metaclass = owned_metaclass;
        } else if (likely(PyErr_ExceptionMatches(PyExc_KeyError))) {
            PyErr_Clear();
        } else {
            return NULL;
        }
    }
    if (calculate_metaclass && (!metaclass || PyType_Check(metaclass))) {
        metaclass = __Pyx_CalculateMetaclass((PyTypeObject*) metaclass, bases);
        Py_XDECREF(owned_metaclass);
        if (unlikely(!metaclass))
            return NULL;
        owned_metaclass = metaclass;
    }
    margs = PyTuple_Pack(3, name, bases, dict);
    if (unlikely(!margs)) {
        result = NULL;
    } else {
        result = PyObject_Call(metaclass, margs, mkw);
        Py_DECREF(margs);
    }
    Py_XDECREF(owned_metaclass);
    return result;
}

/* CLineInTraceback */
#ifndef CYTHON_CLINE_IN_TRACEBACK
static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) {
    PyObject *use_cline;
    PyObject *ptype, *pvalue, *ptraceback;
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject **cython_runtime_dict;
#endif
    if (unlikely(!__pyx_cython_runtime)) {
        return c_line;
    }
    __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
#if CYTHON_COMPILING_IN_CPYTHON
    cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime);
    if (likely(cython_runtime_dict)) {
        __PYX_PY_DICT_LOOKUP_IF_MODIFIED(
            use_cline, *cython_runtime_dict,
            __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback))
    } else
#endif
    {
      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
      if (use_cline_obj) {
        use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True;
        Py_DECREF(use_cline_obj);
      } else {
        PyErr_Clear();
        use_cline = NULL;
      }
    }
    if (!use_cline) {
        c_line = 0;
        PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
    }
    else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) {
        c_line = 0;
    }
    __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
    return c_line;
}
#endif

/* CodeObjectCache */
static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
    int start = 0, mid = 0, end = count - 1;
    if (end >= 0 && code_line > entries[end].code_line) {
        return count;
    }
    while (start < end) {
        mid = start + (end - start) / 2;
        if (code_line < entries[mid].code_line) {
            end = mid;
        } else if (code_line > entries[mid].code_line) {
             start = mid + 1;
        } else {
            return mid;
        }
    }
    if (code_line <= entries[mid].code_line) {
        return mid;
    } else {
        return mid + 1;
    }
}
static PyCodeObject *__pyx_find_code_object(int code_line) {
    PyCodeObject* code_object;
    int pos;
    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
        return NULL;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
        return NULL;
    }
    code_object = __pyx_code_cache.entries[pos].code_object;
    Py_INCREF(code_object);
    return code_object;
}
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
    int pos, i;
    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
    if (unlikely(!code_line)) {
        return;
    }
    if (unlikely(!entries)) {
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
        if (likely(entries)) {
            __pyx_code_cache.entries = entries;
            __pyx_code_cache.max_count = 64;
            __pyx_code_cache.count = 1;
            entries[0].code_line = code_line;
            entries[0].code_object = code_object;
            Py_INCREF(code_object);
        }
        return;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
        PyCodeObject* tmp = entries[pos].code_object;
        entries[pos].code_object = code_object;
        Py_DECREF(tmp);
        return;
    }
    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
        int new_max = __pyx_code_cache.max_count + 64;
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
            __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry));
        if (unlikely(!entries)) {
            return;
        }
        __pyx_code_cache.entries = entries;
        __pyx_code_cache.max_count = new_max;
    }
    for (i=__pyx_code_cache.count; i>pos; i--) {
        entries[i] = entries[i-1];
    }
    entries[pos].code_line = code_line;
    entries[pos].code_object = code_object;
    __pyx_code_cache.count++;
    Py_INCREF(code_object);
}

/* AddTraceback */
#include "compile.h"
#include "frameobject.h"
#include "traceback.h"
static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
            const char *funcname, int c_line,
            int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    #if PY_MAJOR_VERSION < 3
    py_srcfile = PyString_FromString(filename);
    #else
    py_srcfile = PyUnicode_FromString(filename);
    #endif
    if (!py_srcfile) goto bad;
    if (c_line) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #endif
    }
    else {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromString(funcname);
        #else
        py_funcname = PyUnicode_FromString(funcname);
        #endif
    }
    if (!py_funcname) goto bad;
    py_code = __Pyx_PyCode_New(
        0,
        0,
        0,
        0,
        0,
        __pyx_empty_bytes, /*PyObject *code,*/
        __pyx_empty_tuple, /*PyObject *consts,*/
        __pyx_empty_tuple, /*PyObject *names,*/
        __pyx_empty_tuple, /*PyObject *varnames,*/
        __pyx_empty_tuple, /*PyObject *freevars,*/
        __pyx_empty_tuple, /*PyObject *cellvars,*/
        py_srcfile,   /*PyObject *filename,*/
        py_funcname,  /*PyObject *name,*/
        py_line,
        __pyx_empty_bytes  /*PyObject *lnotab*/
    );
    Py_DECREF(py_srcfile);
    Py_DECREF(py_funcname);
    return py_code;
bad:
    Py_XDECREF(py_srcfile);
    Py_XDECREF(py_funcname);
    return NULL;
}
static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyFrameObject *py_frame = 0;
    PyThreadState *tstate = __Pyx_PyThreadState_Current;
    if (c_line) {
        c_line = __Pyx_CLineForTraceback(tstate, c_line);
    }
    py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
    if (!py_code) {
        py_code = __Pyx_CreateCodeObjectForTraceback(
            funcname, c_line, py_line, filename);
        if (!py_code) goto bad;
        __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
    }
    py_frame = PyFrame_New(
        tstate,            /*PyThreadState *tstate,*/
        py_code,           /*PyCodeObject *code,*/
        __pyx_d,    /*PyObject *globals,*/
        0                  /*PyObject *locals*/
    );
    if (!py_frame) goto bad;
    __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
    PyTraceBack_Here(py_frame);
bad:
    Py_XDECREF(py_code);
    Py_XDECREF(py_frame);
}

/* CIntToPy */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const long neg_one = (long) -1, const_zero = (long) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(long) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(long) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(long) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(long),
                                     little, !is_unsigned);
    }
}

/* CIntFromPyVerify */
#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
    {\
        func_type value = func_value;\
        if (sizeof(target_type) < sizeof(func_type)) {\
            if (unlikely(value != (func_type) (target_type) value)) {\
                func_type zero = 0;\
                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
                    return (target_type) -1;\
                if (is_unsigned && unlikely(value < zero))\
                    goto raise_neg_overflow;\
                else\
                    goto raise_overflow;\
            }\
        }\
        return (target_type) value;\
    }

/* CIntFromPy */
static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const long neg_one = (long) -1, const_zero = (long) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(long) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (long) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (long) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(long) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(long) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            long val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (long) -1;
        }
    } else {
        long val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (long) -1;
        val = __Pyx_PyInt_As_long(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to long");
    return (long) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to long");
    return (long) -1;
}

/* CIntFromPy */
static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
    const int neg_one = (int) -1, const_zero = (int) 0;
#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
#pragma GCC diagnostic pop
#endif
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(int) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (int) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (int) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(int) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(int) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            int val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (int) -1;
        }
    } else {
        int val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (int) -1;
        val = __Pyx_PyInt_As_int(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to int");
    return (int) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to int");
    return (int) -1;
}

/* CoroutineBase */
#include <structmember.h>
#include <frameobject.h>
#define __Pyx_Coroutine_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
static int __Pyx_PyGen__FetchStopIterationValue(CYTHON_UNUSED PyThreadState *__pyx_tstate, PyObject **pvalue) {
    PyObject *et, *ev, *tb;
    PyObject *value = NULL;
    __Pyx_ErrFetch(&et, &ev, &tb);
    if (!et) {
        Py_XDECREF(tb);
        Py_XDECREF(ev);
        Py_INCREF(Py_None);
        *pvalue = Py_None;
        return 0;
    }
    if (likely(et == PyExc_StopIteration)) {
        if (!ev) {
            Py_INCREF(Py_None);
            value = Py_None;
        }
#if PY_VERSION_HEX >= 0x030300A0
        else if (Py_TYPE(ev) == (PyTypeObject*)PyExc_StopIteration) {
            value = ((PyStopIterationObject *)ev)->value;
            Py_INCREF(value);
            Py_DECREF(ev);
        }
#endif
        else if (unlikely(PyTuple_Check(ev))) {
            if (PyTuple_GET_SIZE(ev) >= 1) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
                value = PyTuple_GET_ITEM(ev, 0);
                Py_INCREF(value);
#else
                value = PySequence_ITEM(ev, 0);
#endif
            } else {
                Py_INCREF(Py_None);
                value = Py_None;
            }
            Py_DECREF(ev);
        }
        else if (!__Pyx_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration)) {
            value = ev;
        }
        if (likely(value)) {
            Py_XDECREF(tb);
            Py_DECREF(et);
            *pvalue = value;
            return 0;
        }
    } else if (!__Pyx_PyErr_GivenExceptionMatches(et, PyExc_StopIteration)) {
        __Pyx_ErrRestore(et, ev, tb);
        return -1;
    }
    PyErr_NormalizeException(&et, &ev, &tb);
    if (unlikely(!PyObject_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration))) {
        __Pyx_ErrRestore(et, ev, tb);
        return -1;
    }
    Py_XDECREF(tb);
    Py_DECREF(et);
#if PY_VERSION_HEX >= 0x030300A0
    value = ((PyStopIterationObject *)ev)->value;
    Py_INCREF(value);
    Py_DECREF(ev);
#else
    {
        PyObject* args = __Pyx_PyObject_GetAttrStr(ev, __pyx_n_s_args);
        Py_DECREF(ev);
        if (likely(args)) {
            value = PySequence_GetItem(args, 0);
            Py_DECREF(args);
        }
        if (unlikely(!value)) {
            __Pyx_ErrRestore(NULL, NULL, NULL);
            Py_INCREF(Py_None);
            value = Py_None;
        }
    }
#endif
    *pvalue = value;
    return 0;
}
static CYTHON_INLINE
void __Pyx_Coroutine_ExceptionClear(__Pyx_ExcInfoStruct *exc_state) {
    PyObject *t, *v, *tb;
    t = exc_state->exc_type;
    v = exc_state->exc_value;
    tb = exc_state->exc_traceback;
    exc_state->exc_type = NULL;
    exc_state->exc_value = NULL;
    exc_state->exc_traceback = NULL;
    Py_XDECREF(t);
    Py_XDECREF(v);
    Py_XDECREF(tb);
}
#define __Pyx_Coroutine_AlreadyRunningError(gen)  (__Pyx__Coroutine_AlreadyRunningError(gen), (PyObject*)NULL)
static void __Pyx__Coroutine_AlreadyRunningError(CYTHON_UNUSED __pyx_CoroutineObject *gen) {
    const char *msg;
    if ((0)) {
    #ifdef __Pyx_Coroutine_USED
    } else if (__Pyx_Coroutine_Check((PyObject*)gen)) {
        msg = "coroutine already executing";
    #endif
    #ifdef __Pyx_AsyncGen_USED
    } else if (__Pyx_AsyncGen_CheckExact((PyObject*)gen)) {
        msg = "async generator already executing";
    #endif
    } else {
        msg = "generator already executing";
    }
    PyErr_SetString(PyExc_ValueError, msg);
}
#define __Pyx_Coroutine_NotStartedError(gen)  (__Pyx__Coroutine_NotStartedError(gen), (PyObject*)NULL)
static void __Pyx__Coroutine_NotStartedError(CYTHON_UNUSED PyObject *gen) {
    const char *msg;
    if ((0)) {
    #ifdef __Pyx_Coroutine_USED
    } else if (__Pyx_Coroutine_Check(gen)) {
        msg = "can't send non-None value to a just-started coroutine";
    #endif
    #ifdef __Pyx_AsyncGen_USED
    } else if (__Pyx_AsyncGen_CheckExact(gen)) {
        msg = "can't send non-None value to a just-started async generator";
    #endif
    } else {
        msg = "can't send non-None value to a just-started generator";
    }
    PyErr_SetString(PyExc_TypeError, msg);
}
#define __Pyx_Coroutine_AlreadyTerminatedError(gen, value, closing)  (__Pyx__Coroutine_AlreadyTerminatedError(gen, value, closing), (PyObject*)NULL)
static void __Pyx__Coroutine_AlreadyTerminatedError(CYTHON_UNUSED PyObject *gen, PyObject *value, CYTHON_UNUSED int closing) {
    #ifdef __Pyx_Coroutine_USED
    if (!closing && __Pyx_Coroutine_Check(gen)) {
        PyErr_SetString(PyExc_RuntimeError, "cannot reuse already awaited coroutine");
    } else
    #endif
    if (value) {
        #ifdef __Pyx_AsyncGen_USED
        if (__Pyx_AsyncGen_CheckExact(gen))
            PyErr_SetNone(__Pyx_PyExc_StopAsyncIteration);
        else
        #endif
        PyErr_SetNone(PyExc_StopIteration);
    }
}
static
PyObject *__Pyx_Coroutine_SendEx(__pyx_CoroutineObject *self, PyObject *value, int closing) {
    __Pyx_PyThreadState_declare
    PyThreadState *tstate;
    __Pyx_ExcInfoStruct *exc_state;
    PyObject *retval;
    assert(!self->is_running);
    if (unlikely(self->resume_label == 0)) {
        if (unlikely(value && value != Py_None)) {
            return __Pyx_Coroutine_NotStartedError((PyObject*)self);
        }
    }
    if (unlikely(self->resume_label == -1)) {
        return __Pyx_Coroutine_AlreadyTerminatedError((PyObject*)self, value, closing);
    }
#if CYTHON_FAST_THREAD_STATE
    __Pyx_PyThreadState_assign
    tstate = __pyx_tstate;
#else
    tstate = __Pyx_PyThreadState_Current;
#endif
    exc_state = &self->gi_exc_state;
    if (exc_state->exc_type) {
        #if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
        #else
        if (exc_state->exc_traceback) {
            PyTracebackObject *tb = (PyTracebackObject *) exc_state->exc_traceback;
            PyFrameObject *f = tb->tb_frame;
            Py_XINCREF(tstate->frame);
            assert(f->f_back == NULL);
            f->f_back = tstate->frame;
        }
        #endif
    }
#if CYTHON_USE_EXC_INFO_STACK
    exc_state->previous_item = tstate->exc_info;
    tstate->exc_info = exc_state;
#else
    if (exc_state->exc_type) {
        __Pyx_ExceptionSwap(&exc_state->exc_type, &exc_state->exc_value, &exc_state->exc_traceback);
    } else {
        __Pyx_Coroutine_ExceptionClear(exc_state);
        __Pyx_ExceptionSave(&exc_state->exc_type, &exc_state->exc_value, &exc_state->exc_traceback);
    }
#endif
    self->is_running = 1;
    retval = self->body((PyObject *) self, tstate, value);
    self->is_running = 0;
#if CYTHON_USE_EXC_INFO_STACK
    exc_state = &self->gi_exc_state;
    tstate->exc_info = exc_state->previous_item;
    exc_state->previous_item = NULL;
    __Pyx_Coroutine_ResetFrameBackpointer(exc_state);
#endif
    return retval;
}
static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__Pyx_ExcInfoStruct *exc_state) {
    PyObject *exc_tb = exc_state->exc_traceback;
    if (likely(exc_tb)) {
#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
#else
        PyTracebackObject *tb = (PyTracebackObject *) exc_tb;
        PyFrameObject *f = tb->tb_frame;
        Py_CLEAR(f->f_back);
#endif
    }
}
static CYTHON_INLINE
PyObject *__Pyx_Coroutine_MethodReturn(CYTHON_UNUSED PyObject* gen, PyObject *retval) {
    if (unlikely(!retval)) {
        __Pyx_PyThreadState_declare
        __Pyx_PyThreadState_assign
        if (!__Pyx_PyErr_Occurred()) {
            PyObject *exc = PyExc_StopIteration;
            #ifdef __Pyx_AsyncGen_USED
            if (__Pyx_AsyncGen_CheckExact(gen))
                exc = __Pyx_PyExc_StopAsyncIteration;
            #endif
            __Pyx_PyErr_SetNone(exc);
        }
    }
    return retval;
}
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
static CYTHON_INLINE
PyObject *__Pyx_PyGen_Send(PyGenObject *gen, PyObject *arg) {
#if PY_VERSION_HEX <= 0x030A00A1
    return _PyGen_Send(gen, arg);
#else
    PyObject *result;
    if (PyIter_Send((PyObject*)gen, arg ? arg : Py_None, &result) == PYGEN_RETURN) {
        if (PyAsyncGen_CheckExact(gen)) {
            assert(result == Py_None);
            PyErr_SetNone(PyExc_StopAsyncIteration);
        }
        else if (result == Py_None) {
            PyErr_SetNone(PyExc_StopIteration);
        }
        else {
            _PyGen_SetStopIterationValue(result);
        }
        Py_CLEAR(result);
    }
    return result;
#endif
}
#endif
static CYTHON_INLINE
PyObject *__Pyx_Coroutine_FinishDelegation(__pyx_CoroutineObject *gen) {
    PyObject *ret;
    PyObject *val = NULL;
    __Pyx_Coroutine_Undelegate(gen);
    __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, &val);
    ret = __Pyx_Coroutine_SendEx(gen, val, 0);
    Py_XDECREF(val);
    return ret;
}
static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value) {
    PyObject *retval;
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self;
    PyObject *yf = gen->yieldfrom;
    if (unlikely(gen->is_running))
        return __Pyx_Coroutine_AlreadyRunningError(gen);
    if (yf) {
        PyObject *ret;
        gen->is_running = 1;
        #ifdef __Pyx_Generator_USED
        if (__Pyx_Generator_CheckExact(yf)) {
            ret = __Pyx_Coroutine_Send(yf, value);
        } else
        #endif
        #ifdef __Pyx_Coroutine_USED
        if (__Pyx_Coroutine_Check(yf)) {
            ret = __Pyx_Coroutine_Send(yf, value);
        } else
        #endif
        #ifdef __Pyx_AsyncGen_USED
        if (__pyx_PyAsyncGenASend_CheckExact(yf)) {
            ret = __Pyx_async_gen_asend_send(yf, value);
        } else
        #endif
        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
        if (PyGen_CheckExact(yf)) {
            ret = __Pyx_PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value);
        } else
        #endif
        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03050000 && defined(PyCoro_CheckExact) && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
        if (PyCoro_CheckExact(yf)) {
            ret = __Pyx_PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value);
        } else
        #endif
        {
            if (value == Py_None)
                ret = Py_TYPE(yf)->tp_iternext(yf);
            else
                ret = __Pyx_PyObject_CallMethod1(yf, __pyx_n_s_send, value);
        }
        gen->is_running = 0;
        if (likely(ret)) {
            return ret;
        }
        retval = __Pyx_Coroutine_FinishDelegation(gen);
    } else {
        retval = __Pyx_Coroutine_SendEx(gen, value, 0);
    }
    return __Pyx_Coroutine_MethodReturn(self, retval);
}
static int __Pyx_Coroutine_CloseIter(__pyx_CoroutineObject *gen, PyObject *yf) {
    PyObject *retval = NULL;
    int err = 0;
    #ifdef __Pyx_Generator_USED
    if (__Pyx_Generator_CheckExact(yf)) {
        retval = __Pyx_Coroutine_Close(yf);
        if (!retval)
            return -1;
    } else
    #endif
    #ifdef __Pyx_Coroutine_USED
    if (__Pyx_Coroutine_Check(yf)) {
        retval = __Pyx_Coroutine_Close(yf);
        if (!retval)
            return -1;
    } else
    if (__Pyx_CoroutineAwait_CheckExact(yf)) {
        retval = __Pyx_CoroutineAwait_Close((__pyx_CoroutineAwaitObject*)yf, NULL);
        if (!retval)
            return -1;
    } else
    #endif
    #ifdef __Pyx_AsyncGen_USED
    if (__pyx_PyAsyncGenASend_CheckExact(yf)) {
        retval = __Pyx_async_gen_asend_close(yf, NULL);
    } else
    if (__pyx_PyAsyncGenAThrow_CheckExact(yf)) {
        retval = __Pyx_async_gen_athrow_close(yf, NULL);
    } else
    #endif
    {
        PyObject *meth;
        gen->is_running = 1;
        meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_close);
        if (unlikely(!meth)) {
            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
                PyErr_WriteUnraisable(yf);
            }
            PyErr_Clear();
        } else {
            retval = PyObject_CallFunction(meth, NULL);
            Py_DECREF(meth);
            if (!retval)
                err = -1;
        }
        gen->is_running = 0;
    }
    Py_XDECREF(retval);
    return err;
}
static PyObject *__Pyx_Generator_Next(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self;
    PyObject *yf = gen->yieldfrom;
    if (unlikely(gen->is_running))
        return __Pyx_Coroutine_AlreadyRunningError(gen);
    if (yf) {
        PyObject *ret;
        gen->is_running = 1;
        #ifdef __Pyx_Generator_USED
        if (__Pyx_Generator_CheckExact(yf)) {
            ret = __Pyx_Generator_Next(yf);
        } else
        #endif
        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
        if (PyGen_CheckExact(yf)) {
            ret = __Pyx_PyGen_Send((PyGenObject*)yf, NULL);
        } else
        #endif
        #ifdef __Pyx_Coroutine_USED
        if (__Pyx_Coroutine_Check(yf)) {
            ret = __Pyx_Coroutine_Send(yf, Py_None);
        } else
        #endif
            ret = Py_TYPE(yf)->tp_iternext(yf);
        gen->is_running = 0;
        if (likely(ret)) {
            return ret;
        }
        return __Pyx_Coroutine_FinishDelegation(gen);
    }
    return __Pyx_Coroutine_SendEx(gen, Py_None, 0);
}
static PyObject *__Pyx_Coroutine_Close_Method(PyObject *self, CYTHON_UNUSED PyObject *arg) {
    return __Pyx_Coroutine_Close(self);
}
static PyObject *__Pyx_Coroutine_Close(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    PyObject *retval, *raised_exception;
    PyObject *yf = gen->yieldfrom;
    int err = 0;
    if (unlikely(gen->is_running))
        return __Pyx_Coroutine_AlreadyRunningError(gen);
    if (yf) {
        Py_INCREF(yf);
        err = __Pyx_Coroutine_CloseIter(gen, yf);
        __Pyx_Coroutine_Undelegate(gen);
        Py_DECREF(yf);
    }
    if (err == 0)
        PyErr_SetNone(PyExc_GeneratorExit);
    retval = __Pyx_Coroutine_SendEx(gen, NULL, 1);
    if (unlikely(retval)) {
        const char *msg;
        Py_DECREF(retval);
        if ((0)) {
        #ifdef __Pyx_Coroutine_USED
        } else if (__Pyx_Coroutine_Check(self)) {
            msg = "coroutine ignored GeneratorExit";
        #endif
        #ifdef __Pyx_AsyncGen_USED
        } else if (__Pyx_AsyncGen_CheckExact(self)) {
#if PY_VERSION_HEX < 0x03060000
            msg = "async generator ignored GeneratorExit - might require Python 3.6+ finalisation (PEP 525)";
#else
            msg = "async generator ignored GeneratorExit";
#endif
        #endif
        } else {
            msg = "generator ignored GeneratorExit";
        }
        PyErr_SetString(PyExc_RuntimeError, msg);
        return NULL;
    }
    raised_exception = PyErr_Occurred();
    if (likely(!raised_exception || __Pyx_PyErr_GivenExceptionMatches2(raised_exception, PyExc_GeneratorExit, PyExc_StopIteration))) {
        if (raised_exception) PyErr_Clear();
        Py_INCREF(Py_None);
        return Py_None;
    }
    return NULL;
}
static PyObject *__Pyx__Coroutine_Throw(PyObject *self, PyObject *typ, PyObject *val, PyObject *tb,
                                        PyObject *args, int close_on_genexit) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    PyObject *yf = gen->yieldfrom;
    if (unlikely(gen->is_running))
        return __Pyx_Coroutine_AlreadyRunningError(gen);
    if (yf) {
        PyObject *ret;
        Py_INCREF(yf);
        if (__Pyx_PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit) && close_on_genexit) {
            int err = __Pyx_Coroutine_CloseIter(gen, yf);
            Py_DECREF(yf);
            __Pyx_Coroutine_Undelegate(gen);
            if (err < 0)
                return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0));
            goto throw_here;
        }
        gen->is_running = 1;
        if (0
        #ifdef __Pyx_Generator_USED
            || __Pyx_Generator_CheckExact(yf)
        #endif
        #ifdef __Pyx_Coroutine_USED
            || __Pyx_Coroutine_Check(yf)
        #endif
            ) {
            ret = __Pyx__Coroutine_Throw(yf, typ, val, tb, args, close_on_genexit);
        #ifdef __Pyx_Coroutine_USED
        } else if (__Pyx_CoroutineAwait_CheckExact(yf)) {
            ret = __Pyx__Coroutine_Throw(((__pyx_CoroutineAwaitObject*)yf)->coroutine, typ, val, tb, args, close_on_genexit);
        #endif
        } else {
            PyObject *meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_throw);
            if (unlikely(!meth)) {
                Py_DECREF(yf);
                if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
                    gen->is_running = 0;
                    return NULL;
                }
                PyErr_Clear();
                __Pyx_Coroutine_Undelegate(gen);
                gen->is_running = 0;
                goto throw_here;
            }
            if (likely(args)) {
                ret = PyObject_CallObject(meth, args);
            } else {
                ret = PyObject_CallFunctionObjArgs(meth, typ, val, tb, NULL);
            }
            Py_DECREF(meth);
        }
        gen->is_running = 0;
        Py_DECREF(yf);
        if (!ret) {
            ret = __Pyx_Coroutine_FinishDelegation(gen);
        }
        return __Pyx_Coroutine_MethodReturn(self, ret);
    }
throw_here:
    __Pyx_Raise(typ, val, tb, NULL);
    return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0));
}
static PyObject *__Pyx_Coroutine_Throw(PyObject *self, PyObject *args) {
    PyObject *typ;
    PyObject *val = NULL;
    PyObject *tb = NULL;
    if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
        return NULL;
    return __Pyx__Coroutine_Throw(self, typ, val, tb, args, 1);
}
static CYTHON_INLINE int __Pyx_Coroutine_traverse_excstate(__Pyx_ExcInfoStruct *exc_state, visitproc visit, void *arg) {
    Py_VISIT(exc_state->exc_type);
    Py_VISIT(exc_state->exc_value);
    Py_VISIT(exc_state->exc_traceback);
    return 0;
}
static int __Pyx_Coroutine_traverse(__pyx_CoroutineObject *gen, visitproc visit, void *arg) {
    Py_VISIT(gen->closure);
    Py_VISIT(gen->classobj);
    Py_VISIT(gen->yieldfrom);
    return __Pyx_Coroutine_traverse_excstate(&gen->gi_exc_state, visit, arg);
}
static int __Pyx_Coroutine_clear(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    Py_CLEAR(gen->closure);
    Py_CLEAR(gen->classobj);
    Py_CLEAR(gen->yieldfrom);
    __Pyx_Coroutine_ExceptionClear(&gen->gi_exc_state);
#ifdef __Pyx_AsyncGen_USED
    if (__Pyx_AsyncGen_CheckExact(self)) {
        Py_CLEAR(((__pyx_PyAsyncGenObject*)gen)->ag_finalizer);
    }
#endif
    Py_CLEAR(gen->gi_code);
    Py_CLEAR(gen->gi_name);
    Py_CLEAR(gen->gi_qualname);
    Py_CLEAR(gen->gi_modulename);
    return 0;
}
static void __Pyx_Coroutine_dealloc(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    PyObject_GC_UnTrack(gen);
    if (gen->gi_weakreflist != NULL)
        PyObject_ClearWeakRefs(self);
    if (gen->resume_label >= 0) {
        PyObject_GC_Track(self);
#if PY_VERSION_HEX >= 0x030400a1 && CYTHON_USE_TP_FINALIZE
        if (PyObject_CallFinalizerFromDealloc(self))
#else
        Py_TYPE(gen)->tp_del(self);
        if (self->ob_refcnt > 0)
#endif
        {
            return;
        }
        PyObject_GC_UnTrack(self);
    }
#ifdef __Pyx_AsyncGen_USED
    if (__Pyx_AsyncGen_CheckExact(self)) {
        /* We have to handle this case for asynchronous generators
           right here, because this code has to be between UNTRACK
           and GC_Del. */
        Py_CLEAR(((__pyx_PyAsyncGenObject*)self)->ag_finalizer);
    }
#endif
    __Pyx_Coroutine_clear(self);
    PyObject_GC_Del(gen);
}
static void __Pyx_Coroutine_del(PyObject *self) {
    PyObject *error_type, *error_value, *error_traceback;
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    __Pyx_PyThreadState_declare
    if (gen->resume_label < 0) {
        return;
    }
#if !CYTHON_USE_TP_FINALIZE
    assert(self->ob_refcnt == 0);
    __Pyx_SET_REFCNT(self, 1);
#endif
    __Pyx_PyThreadState_assign
    __Pyx_ErrFetch(&error_type, &error_value, &error_traceback);
#ifdef __Pyx_AsyncGen_USED
    if (__Pyx_AsyncGen_CheckExact(self)) {
        __pyx_PyAsyncGenObject *agen = (__pyx_PyAsyncGenObject*)self;
        PyObject *finalizer = agen->ag_finalizer;
        if (finalizer && !agen->ag_closed) {
            PyObject *res = __Pyx_PyObject_CallOneArg(finalizer, self);
            if (unlikely(!res)) {
                PyErr_WriteUnraisable(self);
            } else {
                Py_DECREF(res);
            }
            __Pyx_ErrRestore(error_type, error_value, error_traceback);
            return;
        }
    }
#endif
    if (unlikely(gen->resume_label == 0 && !error_value)) {
#ifdef __Pyx_Coroutine_USED
#ifdef __Pyx_Generator_USED
    if (!__Pyx_Generator_CheckExact(self))
#endif
        {
        PyObject_GC_UnTrack(self);
#if PY_MAJOR_VERSION >= 3  || defined(PyErr_WarnFormat)
        if (unlikely(PyErr_WarnFormat(PyExc_RuntimeWarning, 1, "coroutine '%.50S' was never awaited", gen->gi_qualname) < 0))
            PyErr_WriteUnraisable(self);
#else
        {PyObject *msg;
        char *cmsg;
        #if CYTHON_COMPILING_IN_PYPY
        msg = NULL;
        cmsg = (char*) "coroutine was never awaited";
        #else
        char *cname;
        PyObject *qualname;
        qualname = gen->gi_qualname;
        cname = PyString_AS_STRING(qualname);
        msg = PyString_FromFormat("coroutine '%.50s' was never awaited", cname);
        if (unlikely(!msg)) {
            PyErr_Clear();
            cmsg = (char*) "coroutine was never awaited";
        } else {
            cmsg = PyString_AS_STRING(msg);
        }
        #endif
        if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, cmsg, 1) < 0))
            PyErr_WriteUnraisable(self);
        Py_XDECREF(msg);}
#endif
        PyObject_GC_Track(self);
        }
#endif
    } else {
        PyObject *res = __Pyx_Coroutine_Close(self);
        if (unlikely(!res)) {
            if (PyErr_Occurred())
                PyErr_WriteUnraisable(self);
        } else {
            Py_DECREF(res);
        }
    }
    __Pyx_ErrRestore(error_type, error_value, error_traceback);
#if !CYTHON_USE_TP_FINALIZE
    assert(self->ob_refcnt > 0);
    if (--self->ob_refcnt == 0) {
        return;
    }
    {
        Py_ssize_t refcnt = self->ob_refcnt;
        _Py_NewReference(self);
        __Pyx_SET_REFCNT(self, refcnt);
    }
#if CYTHON_COMPILING_IN_CPYTHON
    assert(PyType_IS_GC(self->ob_type) &&
           _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
    _Py_DEC_REFTOTAL;
#endif
#ifdef COUNT_ALLOCS
    --Py_TYPE(self)->tp_frees;
    --Py_TYPE(self)->tp_allocs;
#endif
#endif
}
static PyObject *
__Pyx_Coroutine_get_name(__pyx_CoroutineObject *self, CYTHON_UNUSED void *context)
{
    PyObject *name = self->gi_name;
    if (unlikely(!name)) name = Py_None;
    Py_INCREF(name);
    return name;
}
static int
__Pyx_Coroutine_set_name(__pyx_CoroutineObject *self, PyObject *value, CYTHON_UNUSED void *context)
{
    PyObject *tmp;
#if PY_MAJOR_VERSION >= 3
    if (unlikely(value == NULL || !PyUnicode_Check(value)))
#else
    if (unlikely(value == NULL || !PyString_Check(value)))
#endif
    {
        PyErr_SetString(PyExc_TypeError,
                        "__name__ must be set to a string object");
        return -1;
    }
    tmp = self->gi_name;
    Py_INCREF(value);
    self->gi_name = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_Coroutine_get_qualname(__pyx_CoroutineObject *self, CYTHON_UNUSED void *context)
{
    PyObject *name = self->gi_qualname;
    if (unlikely(!name)) name = Py_None;
    Py_INCREF(name);
    return name;
}
static int
__Pyx_Coroutine_set_qualname(__pyx_CoroutineObject *self, PyObject *value, CYTHON_UNUSED void *context)
{
    PyObject *tmp;
#if PY_MAJOR_VERSION >= 3
    if (unlikely(value == NULL || !PyUnicode_Check(value)))
#else
    if (unlikely(value == NULL || !PyString_Check(value)))
#endif
    {
        PyErr_SetString(PyExc_TypeError,
                        "__qualname__ must be set to a string object");
        return -1;
    }
    tmp = self->gi_qualname;
    Py_INCREF(value);
    self->gi_qualname = value;
    Py_XDECREF(tmp);
    return 0;
}
static __pyx_CoroutineObject *__Pyx__Coroutine_New(
            PyTypeObject* type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
            PyObject *name, PyObject *qualname, PyObject *module_name) {
    __pyx_CoroutineObject *gen = PyObject_GC_New(__pyx_CoroutineObject, type);
    if (unlikely(!gen))
        return NULL;
    return __Pyx__Coroutine_NewInit(gen, body, code, closure, name, qualname, module_name);
}
static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit(
            __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
            PyObject *name, PyObject *qualname, PyObject *module_name) {
    gen->body = body;
    gen->closure = closure;
    Py_XINCREF(closure);
    gen->is_running = 0;
    gen->resume_label = 0;
    gen->classobj = NULL;
    gen->yieldfrom = NULL;
    gen->gi_exc_state.exc_type = NULL;
    gen->gi_exc_state.exc_value = NULL;
    gen->gi_exc_state.exc_traceback = NULL;
#if CYTHON_USE_EXC_INFO_STACK
    gen->gi_exc_state.previous_item = NULL;
#endif
    gen->gi_weakreflist = NULL;
    Py_XINCREF(qualname);
    gen->gi_qualname = qualname;
    Py_XINCREF(name);
    gen->gi_name = name;
    Py_XINCREF(module_name);
    gen->gi_modulename = module_name;
    Py_XINCREF(code);
    gen->gi_code = code;
    PyObject_GC_Track(gen);
    return gen;
}

/* PatchModuleWithCoroutine */
static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code) {
#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
    int result;
    PyObject *globals, *result_obj;
    globals = PyDict_New();  if (unlikely(!globals)) goto ignore;
    result = PyDict_SetItemString(globals, "_cython_coroutine_type",
    #ifdef __Pyx_Coroutine_USED
        (PyObject*)__pyx_CoroutineType);
    #else
        Py_None);
    #endif
    if (unlikely(result < 0)) goto ignore;
    result = PyDict_SetItemString(globals, "_cython_generator_type",
    #ifdef __Pyx_Generator_USED
        (PyObject*)__pyx_GeneratorType);
    #else
        Py_None);
    #endif
    if (unlikely(result < 0)) goto ignore;
    if (unlikely(PyDict_SetItemString(globals, "_module", module) < 0)) goto ignore;
    if (unlikely(PyDict_SetItemString(globals, "__builtins__", __pyx_b) < 0)) goto ignore;
    result_obj = PyRun_String(py_code, Py_file_input, globals, globals);
    if (unlikely(!result_obj)) goto ignore;
    Py_DECREF(result_obj);
    Py_DECREF(globals);
    return module;
ignore:
    Py_XDECREF(globals);
    PyErr_WriteUnraisable(module);
    if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, "Cython module failed to patch module with custom type", 1) < 0)) {
        Py_DECREF(module);
        module = NULL;
    }
#else
    py_code++;
#endif
    return module;
}

/* PatchGeneratorABC */
#ifndef CYTHON_REGISTER_ABCS
#define CYTHON_REGISTER_ABCS 1
#endif
#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
static PyObject* __Pyx_patch_abc_module(PyObject *module);
static PyObject* __Pyx_patch_abc_module(PyObject *module) {
    module = __Pyx_Coroutine_patch_module(
        module, ""
"if _cython_generator_type is not None:\n"
"    try: Generator = _module.Generator\n"
"    except AttributeError: pass\n"
"    else: Generator.register(_cython_generator_type)\n"
"if _cython_coroutine_type is not None:\n"
"    try: Coroutine = _module.Coroutine\n"
"    except AttributeError: pass\n"
"    else: Coroutine.register(_cython_coroutine_type)\n"
    );
    return module;
}
#endif
static int __Pyx_patch_abc(void) {
#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
    static int abc_patched = 0;
    if (CYTHON_REGISTER_ABCS && !abc_patched) {
        PyObject *module;
        module = PyImport_ImportModule((PY_MAJOR_VERSION >= 3) ? "collections.abc" : "collections");
        if (!module) {
            PyErr_WriteUnraisable(NULL);
            if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning,
                    ((PY_MAJOR_VERSION >= 3) ?
                        "Cython module failed to register with collections.abc module" :
                        "Cython module failed to register with collections module"), 1) < 0)) {
                return -1;
            }
        } else {
            module = __Pyx_patch_abc_module(module);
            abc_patched = 1;
            if (unlikely(!module))
                return -1;
            Py_DECREF(module);
        }
        module = PyImport_ImportModule("backports_abc");
        if (module) {
            module = __Pyx_patch_abc_module(module);
            Py_XDECREF(module);
        }
        if (!module) {
            PyErr_Clear();
        }
    }
#else
    if ((0)) __Pyx_Coroutine_patch_module(NULL, NULL);
#endif
    return 0;
}

/* Generator */
static PyMethodDef __pyx_Generator_methods[] = {
    {"send", (PyCFunction) __Pyx_Coroutine_Send, METH_O,
     (char*) PyDoc_STR("send(arg) -> send 'arg' into generator,\nreturn next yielded value or raise StopIteration.")},
    {"throw", (PyCFunction) __Pyx_Coroutine_Throw, METH_VARARGS,
     (char*) PyDoc_STR("throw(typ[,val[,tb]]) -> raise exception in generator,\nreturn next yielded value or raise StopIteration.")},
    {"close", (PyCFunction) __Pyx_Coroutine_Close_Method, METH_NOARGS,
     (char*) PyDoc_STR("close() -> raise GeneratorExit inside generator.")},
    {0, 0, 0, 0}
};
static PyMemberDef __pyx_Generator_memberlist[] = {
    {(char *) "gi_running", T_BOOL, offsetof(__pyx_CoroutineObject, is_running), READONLY, NULL},
    {(char*) "gi_yieldfrom", T_OBJECT, offsetof(__pyx_CoroutineObject, yieldfrom), READONLY,
     (char*) PyDoc_STR("object being iterated by 'yield from', or None")},
    {(char*) "gi_code", T_OBJECT, offsetof(__pyx_CoroutineObject, gi_code), READONLY, NULL},
    {0, 0, 0, 0, 0}
};
static PyGetSetDef __pyx_Generator_getsets[] = {
    {(char *) "__name__", (getter)__Pyx_Coroutine_get_name, (setter)__Pyx_Coroutine_set_name,
     (char*) PyDoc_STR("name of the generator"), 0},
    {(char *) "__qualname__", (getter)__Pyx_Coroutine_get_qualname, (setter)__Pyx_Coroutine_set_qualname,
     (char*) PyDoc_STR("qualified name of the generator"), 0},
    {0, 0, 0, 0, 0}
};
static PyTypeObject __pyx_GeneratorType_type = {
    PyVarObject_HEAD_INIT(0, 0)
    "generator",
    sizeof(__pyx_CoroutineObject),
    0,
    (destructor) __Pyx_Coroutine_dealloc,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,
    0,
    (traverseproc) __Pyx_Coroutine_traverse,
    0,
    0,
    offsetof(__pyx_CoroutineObject, gi_weakreflist),
    0,
    (iternextfunc) __Pyx_Generator_Next,
    __pyx_Generator_methods,
    __pyx_Generator_memberlist,
    __pyx_Generator_getsets,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
#if CYTHON_USE_TP_FINALIZE
    0,
#else
    __Pyx_Coroutine_del,
#endif
    0,
#if CYTHON_USE_TP_FINALIZE
    __Pyx_Coroutine_del,
#elif PY_VERSION_HEX >= 0x030400a1
    0,
#endif
#if PY_VERSION_HEX >= 0x030800b1
    0,
#endif
#if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000
    0,
#endif
};
static int __pyx_Generator_init(void) {
    __pyx_GeneratorType_type.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
    __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type);
    if (unlikely(!__pyx_GeneratorType)) {
        return -1;
    }
    return 0;
}

/* CheckBinaryVersion */
static int __Pyx_check_binary_version(void) {
    char ctversion[4], rtversion[4];
    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
        char message[200];
        PyOS_snprintf(message, sizeof(message),
                      "compiletime version %s of module '%.100s' "
                      "does not match runtime version %s",
                      ctversion, __Pyx_MODULE_NAME, rtversion);
        return PyErr_WarnEx(NULL, message, 1);
    }
    return 0;
}

/* InitStrings */
static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
    while (t->p) {
        #if PY_MAJOR_VERSION < 3
        if (t->is_unicode) {
            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
        } else if (t->intern) {
            *t->p = PyString_InternFromString(t->s);
        } else {
            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
        }
        #else
        if (t->is_unicode | t->is_str) {
            if (t->intern) {
                *t->p = PyUnicode_InternFromString(t->s);
            } else if (t->encoding) {
                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
            } else {
                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
            }
        } else {
            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
        }
        #endif
        if (!*t->p)
            return -1;
        if (PyObject_Hash(*t->p) == -1)
            return -1;
        ++t;
    }
    return 0;
}

static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
}
static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
    Py_ssize_t ignore;
    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
}
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
#if !CYTHON_PEP393_ENABLED
static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
    char* defenc_c;
    PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
    if (!defenc) return NULL;
    defenc_c = PyBytes_AS_STRING(defenc);
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
    {
        char* end = defenc_c + PyBytes_GET_SIZE(defenc);
        char* c;
        for (c = defenc_c; c < end; c++) {
            if ((unsigned char) (*c) >= 128) {
                PyUnicode_AsASCIIString(o);
                return NULL;
            }
        }
    }
#endif
    *length = PyBytes_GET_SIZE(defenc);
    return defenc_c;
}
#else
static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
    if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL;
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
    if (likely(PyUnicode_IS_ASCII(o))) {
        *length = PyUnicode_GET_LENGTH(o);
        return PyUnicode_AsUTF8(o);
    } else {
        PyUnicode_AsASCIIString(o);
        return NULL;
    }
#else
    return PyUnicode_AsUTF8AndSize(o, length);
#endif
}
#endif
#endif
static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
    if (
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
            __Pyx_sys_getdefaultencoding_not_ascii &&
#endif
            PyUnicode_Check(o)) {
        return __Pyx_PyUnicode_AsStringAndSize(o, length);
    } else
#endif
#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
    if (PyByteArray_Check(o)) {
        *length = PyByteArray_GET_SIZE(o);
        return PyByteArray_AS_STRING(o);
    } else
#endif
    {
        char* result;
        int r = PyBytes_AsStringAndSize(o, &result, length);
        if (unlikely(r < 0)) {
            return NULL;
        } else {
            return result;
        }
    }
}
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
   int is_true = x == Py_True;
   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
   else return PyObject_IsTrue(x);
}
static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) {
    int retval;
    if (unlikely(!x)) return -1;
    retval = __Pyx_PyObject_IsTrue(x);
    Py_DECREF(x);
    return retval;
}
static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) {
#if PY_MAJOR_VERSION >= 3
    if (PyLong_Check(result)) {
        if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
                "__int__ returned non-int (type %.200s).  "
                "The ability to return an instance of a strict subclass of int "
                "is deprecated, and may be removed in a future version of Python.",
                Py_TYPE(result)->tp_name)) {
            Py_DECREF(result);
            return NULL;
        }
        return result;
    }
#endif
    PyErr_Format(PyExc_TypeError,
                 "__%.4s__ returned non-%.4s (type %.200s)",
                 type_name, type_name, Py_TYPE(result)->tp_name);
    Py_DECREF(result);
    return NULL;
}
static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
#if CYTHON_USE_TYPE_SLOTS
  PyNumberMethods *m;
#endif
  const char *name = NULL;
  PyObject *res = NULL;
#if PY_MAJOR_VERSION < 3
  if (likely(PyInt_Check(x) || PyLong_Check(x)))
#else
  if (likely(PyLong_Check(x)))
#endif
    return __Pyx_NewRef(x);
#if CYTHON_USE_TYPE_SLOTS
  m = Py_TYPE(x)->tp_as_number;
  #if PY_MAJOR_VERSION < 3
  if (m && m->nb_int) {
    name = "int";
    res = m->nb_int(x);
  }
  else if (m && m->nb_long) {
    name = "long";
    res = m->nb_long(x);
  }
  #else
  if (likely(m && m->nb_int)) {
    name = "int";
    res = m->nb_int(x);
  }
  #endif
#else
  if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) {
    res = PyNumber_Int(x);
  }
#endif
  if (likely(res)) {
#if PY_MAJOR_VERSION < 3
    if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) {
#else
    if (unlikely(!PyLong_CheckExact(res))) {
#endif
        return __Pyx_PyNumber_IntOrLongWrongResultType(res, name);
    }
  }
  else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_TypeError,
                    "an integer is required");
  }
  return res;
}
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
  Py_ssize_t ival;
  PyObject *x;
#if PY_MAJOR_VERSION < 3
  if (likely(PyInt_CheckExact(b))) {
    if (sizeof(Py_ssize_t) >= sizeof(long))
        return PyInt_AS_LONG(b);
    else
        return PyInt_AsSsize_t(b);
  }
#endif
  if (likely(PyLong_CheckExact(b))) {
    #if CYTHON_USE_PYLONG_INTERNALS
    const digit* digits = ((PyLongObject*)b)->ob_digit;
    const Py_ssize_t size = Py_SIZE(b);
    if (likely(__Pyx_sst_abs(size) <= 1)) {
        ival = likely(size) ? digits[0] : 0;
        if (size == -1) ival = -ival;
        return ival;
    } else {
      switch (size) {
         case 2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case 3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case 4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
      }
    }
    #endif
    return PyLong_AsSsize_t(b);
  }
  x = PyNumber_Index(b);
  if (!x) return -1;
  ival = PyInt_AsSsize_t(x);
  Py_DECREF(x);
  return ival;
}
static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
  return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False);
}
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
    return PyInt_FromSize_t(ival);
}


#endif /* Py_PYTHON_H */
