"""CPP
Module to convert xcpp files to cpp files which will become stand
alone executables.
"""
import site
from excentury.command.config import get_cfg
from excentury.lang import FileParser, check_inputs, extract_name
from excentury.lang.cpp.aux import process_function
DESC = """
Converts the xcpp file to a cpp file which will then be compiled
into a stand alone executable.
"""
DEFAULTS = {
'dir': site.getuserbase()+'/lib/excentury/cpp',
'bin': site.getuserbase()+'/lib/excentury/bin',
'ext': 'run',
'dump': 'text',
'load': 'text',
'cxx': 'g++',
'cxxlib': '',
'cxxinc': '',
'opt': '-O3',
'debug': '0',
'force': 'false'
}
[docs]def add_options(argp):
"Add options to the parser. "
argp.add_argument('--force', type=int, metavar='N', nargs='*',
help='force compilation on functions')
argp.add_argument('--dir', type=str, metavar='',
help='directory for cpp files')
argp.add_argument('--bin', type=str, metavar='',
help='bin directory for executables')
argp.add_argument('--ext', type=str, metavar='',
help='executable extension')
argp.add_argument('--dump', type=str, metavar='',
choices=['text', 'binary'],
help='method for dumping data: text, binary ')
argp.add_argument('--load', type=str, metavar='',
choices=['text', 'binary'],
help='method for loading data: text, binary ')
argp.add_argument('--cxx', type=str, metavar='',
help='c++ compiler')
argp.add_argument('--cxxlib', type=str, metavar='',
help='paths to libraries for the compiler')
argp.add_argument('--cxxinc', type=str, metavar='',
help='paths to include for the compiler')
argp.add_argument('--opt', type=str, metavar='',
help='compiler options')
argp.add_argument('--debug', type=str, choices=['0', '1', '2', '3'],
metavar='', help='debug level: 0, 1, 2, 3')
[docs]def process_file(arg, filename):
"""Process the xcpp file. """
cfg = get_cfg(arg, 'cpp', DEFAULTS)
cfg['xcpp']['filename'] = extract_name(filename)
xcfile = FileParser(filename).parse()
check_inputs(xcfile, cfg, 'cpp')
for func in xcfile.function:
process_function(xcfile, cfg, func)