mirror of
https://github.com/python/cpython.git
synced 2024-12-12 19:33:52 +08:00
83 lines
3.3 KiB
C
83 lines
3.3 KiB
C
#ifndef Py_TOKENIZER_H
|
|
#define Py_TOKENIZER_H
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/***********************************************************
|
|
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
|
|
The Netherlands.
|
|
|
|
All Rights Reserved
|
|
|
|
Permission to use, copy, modify, and distribute this software and its
|
|
documentation for any purpose and without fee is hereby granted,
|
|
provided that the above copyright notice appear in all copies and that
|
|
both that copyright notice and this permission notice appear in
|
|
supporting documentation, and that the names of Stichting Mathematisch
|
|
Centrum or CWI or Corporation for National Research Initiatives or
|
|
CNRI not be used in advertising or publicity pertaining to
|
|
distribution of the software without specific, written prior
|
|
permission.
|
|
|
|
While CWI is the initial source for this software, a modified version
|
|
is made available by the Corporation for National Research Initiatives
|
|
(CNRI) at the Internet address ftp://ftp.python.org.
|
|
|
|
STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
|
|
REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
|
|
CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
|
|
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
|
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
******************************************************************/
|
|
|
|
/* Tokenizer interface */
|
|
|
|
#include "token.h" /* For token types */
|
|
|
|
#define MAXINDENT 100 /* Max indentation level */
|
|
|
|
/* Tokenizer state */
|
|
struct tok_state {
|
|
/* Input state; buf <= cur <= inp <= end */
|
|
/* NB an entire line is held in the buffer */
|
|
char *buf; /* Input buffer, or NULL; malloc'ed if fp != NULL */
|
|
char *cur; /* Next character in buffer */
|
|
char *inp; /* End of data in buffer */
|
|
char *end; /* End of input buffer if buf != NULL */
|
|
char *start; /* Start of current token if not NULL */
|
|
int done; /* E_OK normally, E_EOF at EOF, otherwise error code */
|
|
/* NB If done != E_OK, cur must be == inp!!! */
|
|
FILE *fp; /* Rest of input; NULL if tokenizing a string */
|
|
int tabsize; /* Tab spacing */
|
|
int indent; /* Current indentation index */
|
|
int indstack[MAXINDENT]; /* Stack of indents */
|
|
int atbol; /* Nonzero if at begin of new line */
|
|
int pendin; /* Pending indents (if > 0) or dedents (if < 0) */
|
|
char *prompt, *nextprompt; /* For interactive prompting */
|
|
int lineno; /* Current line number */
|
|
int level; /* () [] {} Parentheses nesting level */
|
|
/* Used to allow free continuations inside them */
|
|
/* Stuff for checking on different tab sizes */
|
|
char *filename; /* For error messages */
|
|
int altwarning; /* Issue warning if alternate tabs don't match */
|
|
int alterror; /* Issue error if alternate tabs don't match */
|
|
int alttabsize; /* Alternate tab spacing */
|
|
int altindstack[MAXINDENT]; /* Stack of alternate indents */
|
|
};
|
|
|
|
extern struct tok_state *PyTokenizer_FromString Py_PROTO((char *));
|
|
extern struct tok_state *PyTokenizer_FromFile
|
|
Py_PROTO((FILE *, char *, char *));
|
|
extern void PyTokenizer_Free Py_PROTO((struct tok_state *));
|
|
extern int PyTokenizer_Get Py_PROTO((struct tok_state *, char **, char **));
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* !Py_TOKENIZER_H */
|