scan.h revision 272461
1/* scan.h - Utility declarations for scan-decls and fix-header programs. 2 Copyright (C) 1993, 1998, 1999, 2003, 2004 Free Software Foundation, Inc. 3 4This program is free software; you can redistribute it and/or modify it 5under the terms of the GNU General Public License as published by the 6Free Software Foundation; either version 2, or (at your option) any 7later version. 8 9This program is distributed in the hope that it will be useful, 10but WITHOUT ANY WARRANTY; without even the implied warranty of 11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12GNU General Public License for more details. 13 14You should have received a copy of the GNU General Public License 15along with this program; if not, write to the Free Software 16Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 17 18#include <stdio.h> 19 20typedef struct sstring 21{ 22 char *base; 23 char *ptr; 24 char *limit; 25} sstring; 26 27#define INIT_SSTRING(STR) ((STR)->base = 0, (STR)->ptr = 0, (STR)->limit = 0) 28#define FREE_SSTRING(STR) do { if ((STR)->base) free (STR)->base; } while(0) 29#define SSTRING_PUT(STR, C) do {\ 30 if ((STR)->limit <= (STR)->ptr) make_sstring_space (STR, 1); \ 31 *(STR)->ptr++ = (C); } while (0) 32#define SSTRING_LENGTH(STR) ((STR)->ptr - (STR)->base) 33#define MAKE_SSTRING_SPACE(STR, COUNT) \ 34 if ((STR)->limit - (STR)->ptr < (COUNT)) make_sstring_space (STR, COUNT); 35 36struct partial_proto; 37struct fn_decl 38{ 39 const char *fname; 40 const char *rtype; 41 const char *params; 42 struct partial_proto *partial; 43}; 44 45struct cpp_token; 46 47extern void sstring_append (sstring *, sstring *); 48extern void make_sstring_space (sstring *, int); 49extern int skip_spaces (FILE *, int); 50extern int scan_ident (FILE *, sstring *, int); 51extern int scan_string (FILE *, sstring *, int); 52extern int read_upto (FILE *, sstring *, int); 53extern unsigned long hash (const char *); 54extern void recognized_function (const struct cpp_token *, 55 unsigned int, int, int); 56extern void recognized_extern (const struct cpp_token *); 57extern unsigned int hashstr (const char *, unsigned int); 58 59extern int scan_decls (struct cpp_reader *, int, char **); 60 61/* get_token is a simple C lexer. */ 62#define IDENTIFIER_TOKEN 300 63#define CHAR_TOKEN 301 64#define STRING_TOKEN 302 65#define INT_TOKEN 303 66extern int get_token (FILE *, sstring *); 67 68/* Current file and line numer, taking #-directives into account */ 69extern int source_lineno; 70extern sstring source_filename; 71/* Current physical line number */ 72extern int lineno; 73 74extern struct line_maps line_table; 75