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gcc.gnu.org Git - gcc.git/blob - gcc/scan.h
1 /* scan.h - Utility declarations for scan-decls and fix-header programs.
2 Copyright (C) 1993, 1998, 1999 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 2, or (at your option) any
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; if not, write to the Free Software
16 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20 typedef struct 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);
37 #if defined(ANSI_PROTOTYPES) || defined(__cplusplus)
38 #define _PARAMS(args) args
40 #define _PARAMS(args) ()
50 struct partial_proto
*partial
;
54 extern void sstring_append
_PARAMS((sstring
*, sstring
*));
55 extern void make_sstring_space
_PARAMS((sstring
*, int));
56 extern int skip_spaces
_PARAMS((FILE *, int));
57 extern int scan_ident
_PARAMS((FILE *, sstring
*, int));
58 extern int scan_string
_PARAMS((FILE *, sstring
*, int));
59 extern int read_upto
_PARAMS((FILE *, sstring
*, int));
60 extern unsigned long hash
_PARAMS((const char *));
61 extern void recognized_function
_PARAMS((const char *, int, int, const char *, int, int, const char *, int));
62 extern void recognized_extern
_PARAMS((const char *, int, const char *, int));
63 extern unsigned int hashstr
_PARAMS((const char *, unsigned int));
66 extern int scan_decls
_PARAMS((struct cpp_reader
*, int, char **));
68 /* get_token is a simple C lexer. */
69 #define IDENTIFIER_TOKEN 300
70 #define CHAR_TOKEN 301
71 #define STRING_TOKEN 302
73 extern int get_token
_PARAMS ((FILE *, sstring
*));
75 /* Current file and line numer, taking #-directives into account */
76 extern int source_lineno
;
77 extern sstring source_filename
;
78 /* Current physical line number */
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