mirror of
https://github.com/python/cpython.git
synced 2025-10-31 21:51:50 +00:00
6ac258d381
before it. * ceval.c, object.c: moved testbool() to object.c (now extern visible) * stringobject.c: fix bugs in and rationalize string resize in formatstring() * tokenizer.[ch]: fix non-working code for lines longer than BUFSIZ
54 lines
2.4 KiB
C
54 lines
2.4 KiB
C
/***********************************************************
|
|
Copyright 1991, 1992, 1993 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 not be used in advertising or publicity pertaining to
|
|
distribution of the software without specific, written prior permission.
|
|
|
|
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
|
|
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM 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 */
|
|
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 */
|
|
};
|
|
|
|
extern struct tok_state *tok_setups PROTO((char *));
|
|
extern struct tok_state *tok_setupf PROTO((FILE *, char *ps1, char *ps2));
|
|
extern void tok_free PROTO((struct tok_state *));
|
|
extern int tok_get PROTO((struct tok_state *, char **, char **));
|