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 4 This program is free software; you can redistribute it and/or modify it 5 under the terms of the GNU General Public License as published by the 6 Free Software Foundation; either version 2, or (at your option) any 7 later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program; if not, write to the Free Software 16 Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 17 18 #include <stdio.h> 19 20 typedef 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 36 struct partial_proto; 37 struct fn_decl 38 { 39 const char *fname; 40 const char *rtype; 41 const char *params; 42 struct partial_proto *partial; 43 }; 44 45 struct cpp_token; 46 47 extern void sstring_append (sstring *, sstring *); 48 extern void make_sstring_space (sstring *, int); 49 extern int skip_spaces (FILE *, int); 50 extern int scan_ident (FILE *, sstring *, int); 51 extern int scan_string (FILE *, sstring *, int); 52 extern int read_upto (FILE *, sstring *, int); 53 extern unsigned long hash (const char *); 54 extern void recognized_function (const struct cpp_token *, 55 unsigned int, int, int); 56 extern void recognized_extern (const struct cpp_token *); 57 extern unsigned int hashstr (const char *, unsigned int); 58 59 extern 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 66 extern int get_token (FILE *, sstring *); 67 68 /* Current file and line numer, taking #-directives into account */ 69 extern int source_lineno; 70 extern sstring source_filename; 71 /* Current physical line number */ 72 extern int lineno; 73 74 extern struct line_maps line_table; 75