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/* scan.h - Utility declarations for scan-decls and fix-header programs.
Copyright (C) 1993 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
typedef struct sstring
{
char *base;
char *ptr;
char *limit;
} sstring;
#define INIT_SSTRING(STR) ((STR)->base = 0, (STR)->ptr = 0, (STR)->limit = 0)
#define FREE_SSTRING(STR) do { if ((STR)->base) free (STR)->base; } while(0)
#define SSTRING_PUT(STR, C) do {\
if ((STR)->limit <= (STR)->ptr) make_sstring_space (STR, 1); \
*(STR)->ptr++ = (C); } while (0)
#define SSTRING_LENGTH(STR) ((STR)->ptr - (STR)->base)
#define MAKE_SSTRING_SPACE(STR, COUNT) \
if ((STR)->limit - (STR)->ptr < (COUNT)) make_sstring_space (STR, COUNT);
#ifndef _PARAMS
#if defined(__STDC__) || defined(__cplusplus)
#define _PARAMS(args) args
#else
#define _PARAMS(args) ()
#endif
#endif
struct partial_proto;
struct fn_decl
{
char *fname;
char *rtype;
char *params;
struct partial_proto *partial;
};
extern int lineno;
extern void sstring_append _PARAMS((sstring*, sstring*));
extern void make_sstring_space _PARAMS((sstring*, int));
extern int skip_spaces _PARAMS((FILE*, int));
extern int scan_ident _PARAMS((FILE *, sstring *, int));
extern int scan_string _PARAMS((FILE*, sstring *, int));
extern int read_upto _PARAMS((FILE*, sstring*, int));
extern char *xmalloc _PARAMS((unsigned));
extern char *xrealloc _PARAMS((char *, unsigned));
extern unsigned long hash _PARAMS((char*));
/* get_token is a simple C lexer. */
#define IDENTIFIER_TOKEN 300
#define CHAR_TOKEN 301
#define STRING_TOKEN 302
#define INT_TOKEN 303
extern int get_token _PARAMS ((FILE*, sstring*));
/* Current file and line numer, taking #-directives into account */
extern int source_lineno;
extern sstring source_filename;
/* Current physical line number */
extern int lineno;
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