118334Speter/* scan.h - Utility declarations for scan-decls and fix-header programs. 2169689Skan Copyright (C) 1993, 1998, 1999, 2003, 2004 Free Software Foundation, Inc. 318334Speter 418334SpeterThis program is free software; you can redistribute it and/or modify it 518334Speterunder the terms of the GNU General Public License as published by the 618334SpeterFree Software Foundation; either version 2, or (at your option) any 718334Speterlater version. 818334Speter 918334SpeterThis program is distributed in the hope that it will be useful, 1018334Speterbut WITHOUT ANY WARRANTY; without even the implied warranty of 1118334SpeterMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1218334SpeterGNU General Public License for more details. 1318334Speter 1418334SpeterYou should have received a copy of the GNU General Public License 1518334Speteralong with this program; if not, write to the Free Software 16169689SkanFoundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 1718334Speter 1818334Speter#include <stdio.h> 1918334Speter 2018334Spetertypedef struct sstring 2118334Speter{ 2218334Speter char *base; 2318334Speter char *ptr; 2418334Speter char *limit; 2518334Speter} sstring; 2618334Speter 2718334Speter#define INIT_SSTRING(STR) ((STR)->base = 0, (STR)->ptr = 0, (STR)->limit = 0) 2818334Speter#define FREE_SSTRING(STR) do { if ((STR)->base) free (STR)->base; } while(0) 2918334Speter#define SSTRING_PUT(STR, C) do {\ 3018334Speter if ((STR)->limit <= (STR)->ptr) make_sstring_space (STR, 1); \ 3118334Speter *(STR)->ptr++ = (C); } while (0) 3218334Speter#define SSTRING_LENGTH(STR) ((STR)->ptr - (STR)->base) 3318334Speter#define MAKE_SSTRING_SPACE(STR, COUNT) \ 3418334Speter if ((STR)->limit - (STR)->ptr < (COUNT)) make_sstring_space (STR, COUNT); 3518334Speter 3618334Speterstruct partial_proto; 3718334Speterstruct fn_decl 3818334Speter{ 3952284Sobrien const char *fname; 4052284Sobrien const char *rtype; 4152284Sobrien const char *params; 4218334Speter struct partial_proto *partial; 4318334Speter}; 4418334Speter 4590075Sobrienstruct cpp_token; 4690075Sobrien 47132718Skanextern void sstring_append (sstring *, sstring *); 48132718Skanextern void make_sstring_space (sstring *, int); 49132718Skanextern int skip_spaces (FILE *, int); 50132718Skanextern int scan_ident (FILE *, sstring *, int); 51132718Skanextern int scan_string (FILE *, sstring *, int); 52132718Skanextern int read_upto (FILE *, sstring *, int); 53132718Skanextern unsigned long hash (const char *); 54132718Skanextern void recognized_function (const struct cpp_token *, 55132718Skan unsigned int, int, int); 56132718Skanextern void recognized_extern (const struct cpp_token *); 57132718Skanextern unsigned int hashstr (const char *, unsigned int); 5818334Speter 59132718Skanextern int scan_decls (struct cpp_reader *, int, char **); 6090075Sobrien 6190075Sobrien/* get_token is a simple C lexer. */ 6218334Speter#define IDENTIFIER_TOKEN 300 6318334Speter#define CHAR_TOKEN 301 6418334Speter#define STRING_TOKEN 302 6518334Speter#define INT_TOKEN 303 66132718Skanextern int get_token (FILE *, sstring *); 6718334Speter 6818334Speter/* Current file and line numer, taking #-directives into account */ 6918334Speterextern int source_lineno; 7018334Speterextern sstring source_filename; 7118334Speter/* Current physical line number */ 7218334Speterextern int lineno; 73169689Skan 74169689Skanextern struct line_maps line_table; 75