Daily bump.
[official-gcc.git] / gcc / scan.h
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1 /* scan.h - Utility declarations for scan-decls and fix-header programs.
2 Copyright (C) 1993, 1998, 1999, 2003, 2004, 2007 Free Software Foundation, Inc.
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 3, or (at your option) any
7 later version.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program; see the file COPYING3. If not see
16 <http://www.gnu.org/licenses/>. */
18 #include <stdio.h>
20 typedef struct sstring
22 char *base;
23 char *ptr;
24 char *limit;
25 } sstring;
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);
36 struct partial_proto;
37 struct fn_decl
39 const char *fname;
40 const char *rtype;
41 const char *params;
42 struct partial_proto *partial;
45 struct cpp_token;
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);
59 extern int scan_decls (struct cpp_reader *, int, char **);
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 *);
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;
74 extern struct line_maps line_table;