gcc/scan.h

   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;