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- #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 */
- };
-
- extern struct tok_state *tok_setups PROTO((char *));
- extern struct tok_state *tok_setupf PROTO((FILE *, char *, char *));
- extern void tok_free PROTO((struct tok_state *));
- extern int tok_get PROTO((struct tok_state *, char **, char **));
-
- #ifdef __cplusplus
- }
- #endif
- #endif /* !Py_TOKENIZER_H */
-