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1 | /* scan.h - Utility declarations for scan-decls and patch-header programs. |
2 | Copyright (C) 1993 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, 675 Mass Ave, Cambridge, MA 02139, 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 | #ifndef _PARAMS | |
37 | #if defined(__STDC__) || defined(__cplusplus) | |
38 | #define _PARAMS(args) args | |
39 | #else | |
40 | #define _PARAMS(args) () | |
41 | #endif | |
42 | #endif | |
43 | ||
44 | struct partial_proto; | |
45 | struct fn_decl | |
46 | { | |
47 | char *fname; | |
48 | char *rtype; | |
49 | char *params; | |
50 | struct partial_proto *partial; | |
51 | }; | |
52 | ||
53 | extern int lineno; | |
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 char *xmalloc _PARAMS((unsigned)); | |
61 | extern char *xrealloc _PARAMS((char *, unsigned)); | |
62 | extern unsigned long hash _PARAMS((char*)); | |
63 | ||
64 | /* get_token is a simple C lexer. */ | |
65 | #define IDENTIFIER_TOKEN 300 | |
66 | #define CHAR_TOKEN 301 | |
67 | #define STRING_TOKEN 302 | |
68 | #define INT_TOKEN 303 | |
69 | extern int get_token _PARAMS ((FILE*, sstring*)); | |
70 | ||
71 | /* Current file and line numer, taking #-directives into account */ | |
72 | extern int source_lineno; | |
73 | extern sstring source_filename; | |
74 | /* Current physical line number */ | |
75 | extern int lineno; |