69 lines
2.7 KiB
C
69 lines
2.7 KiB
C
#ifndef Py_TOKENIZER_H
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#define Py_TOKENIZER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***********************************************************
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Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Tokenizer interface */
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#include "token.h" /* For token types */
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#define MAXINDENT 100 /* Max indentation level */
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/* Tokenizer state */
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struct tok_state {
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/* Input state; buf <= cur <= inp <= end */
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/* NB an entire line is held in the buffer */
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char *buf; /* Input buffer, or NULL; malloc'ed if fp != NULL */
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char *cur; /* Next character in buffer */
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char *inp; /* End of data in buffer */
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char *end; /* End of input buffer if buf != NULL */
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char *start; /* Start of current token if not NULL */
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int done; /* E_OK normally, E_EOF at EOF, otherwise error code */
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/* NB If done != E_OK, cur must be == inp!!! */
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FILE *fp; /* Rest of input; NULL if tokenizing a string */
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int tabsize; /* Tab spacing */
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int indent; /* Current indentation index */
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int indstack[MAXINDENT]; /* Stack of indents */
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int atbol; /* Nonzero if at begin of new line */
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int pendin; /* Pending indents (if > 0) or dedents (if < 0) */
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char *prompt, *nextprompt; /* For interactive prompting */
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int lineno; /* Current line number */
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int level; /* () [] {} Parentheses nesting level */
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/* Used to allow free continuations inside them */
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};
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extern struct tok_state *tok_setups PROTO((char *));
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extern struct tok_state *tok_setupf PROTO((FILE *, char *, char *));
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extern void tok_free PROTO((struct tok_state *));
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extern int tok_get PROTO((struct tok_state *, char **, char **));
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_TOKENIZER_H */
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