Modifier and Type | Field and Description |
---|---|
static int |
SENTENCE |
static int |
YYEOF
This character denotes the end of file
|
static int |
YYINITIAL
lexical states
|
Modifier and Type | Method and Description |
---|---|
int |
getYYEOF()
returns value for YYEOF
|
static void |
main(java.lang.String[] argv)
Runs the scanner on input files.
|
void |
pushBack(int n)
Pushes back
length character positions in the
lexer. |
void |
yybegin(int newState)
Enters a new lexical state
|
char |
yycharat(int pos)
Returns the character at position pos from the
matched text.
|
void |
yyclose()
Closes the input stream.
|
int |
yylength()
Returns the length of the matched text region.
|
int |
yylex()
Resumes scanning until the next regular expression is matched,
the end of input is encountered or an I/O-Error occurs.
|
void |
yypushback(int number)
Pushes the specified amount of characters back into the input stream.
|
void |
yyreset(java.io.Reader reader)
Resets the scanner to read from a new input stream.
|
int |
yystate()
Returns the current lexical state.
|
java.lang.String |
yytext()
Returns the text matched by the current regular expression.
|
public static final int YYEOF
public static final int YYINITIAL
public static final int SENTENCE
public void pushBack(int n)
Lexer
length
character positions in the
lexer. Conventionally used to push back exactly one token.public int getYYEOF()
Lexer
public final void yyclose() throws java.io.IOException
java.io.IOException
public final void yyreset(java.io.Reader reader)
public final int yystate()
public final void yybegin(int newState)
newState
- the new lexical statepublic final java.lang.String yytext()
public final char yycharat(int pos)
pos
- the position of the character to fetch.
A value from 0 to yylength()-1.public final int yylength()
public void yypushback(int number)
number
- the number of characters to be read again.
This number must not be greater than yylength()!public int yylex() throws java.io.IOException
public static void main(java.lang.String[] argv)
argv
- the command line, contains the filenames to run
the scanner on.