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3cd4b0f8 MW |
1 | /* |
2 | * This file is part of Cmarsh | |
3 | * Copyright (C) 2004 Richard Kettlewell | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
18 | * USA | |
19 | */ | |
20 | ||
21 | #include "cparse.h" | |
22 | #include <stdarg.h> | |
23 | ||
24 | void (*exiter)(int) = exit; | |
25 | ||
26 | static int suppress; | |
27 | ||
28 | static void verror(const char *prefix_, | |
29 | int errno_value, const char *msg, va_list ap) { | |
30 | fprintf(stderr, "%s: ", prefix_); | |
31 | vfprintf(stderr, msg, ap); | |
32 | if(errno_value) | |
33 | fprintf(stderr, ": %s\n", strerror(errno_value)); | |
34 | else | |
35 | fputc('\n', stderr); | |
36 | } | |
37 | ||
38 | void fatal(int errno_value, const char *msg, ...) { | |
39 | va_list ap; | |
40 | ||
41 | va_start(ap, msg); | |
42 | verror("FATAL", errno_value, msg, ap); | |
43 | exit(1); | |
44 | } | |
45 | ||
46 | void error(int errno_value, const char *msg, ...) { | |
47 | va_list ap; | |
48 | ||
49 | va_start(ap, msg); | |
50 | verror("ERROR", errno_value, msg, ap); | |
51 | va_end(ap); | |
52 | } | |
53 | ||
54 | void inputerror(const struct location *l, | |
55 | const char *msg, ...) { | |
56 | if(!suppress) { | |
57 | va_list ap; | |
58 | ||
59 | if(fprintf(stderr, "%s:%d: error: ", | |
60 | l ? l->path : path, l ? l->line : line) < 0) | |
61 | exit(-1); | |
62 | va_start(ap, msg); | |
63 | if(vfprintf(stderr, msg, ap) < 0) exit(-1); | |
64 | va_end(ap); | |
65 | if(fputc('\n', stderr) < 0) exit(-1); | |
66 | ++errors; | |
67 | } | |
68 | } | |
69 | ||
70 | void inputwarning(const struct location *l, | |
71 | enum warning_category attribute((unused)) cat, | |
72 | const char *msg, ...) { | |
73 | if(!suppress) { | |
74 | /* XXX implement warning categories */ | |
75 | va_list ap; | |
76 | ||
77 | if(fprintf(stderr, "%s:%d: warning: ", | |
78 | l ? l->path : path, l ? l->line : line) < 0) | |
79 | exit(-1); | |
80 | va_start(ap, msg); | |
81 | if(vfprintf(stderr, msg, ap) < 0) exit(-1); | |
82 | va_end(ap); | |
83 | if(fputc('\n', stderr) < 0) exit(-1); | |
84 | } | |
85 | } | |
86 | ||
87 | int yyerror(const char *msg) { | |
88 | inputerror(0, "%s", msg); | |
89 | return 0; | |
90 | } | |
91 | ||
92 | void suppress_errors(void) { | |
93 | ++suppress; | |
94 | } | |
95 | ||
96 | void restore_errors(void) { | |
97 | --suppress; | |
98 | } | |
99 | ||
100 | /* | |
101 | Local Variables: | |
102 | c-basic-offset:2 | |
103 | comment-column:40 | |
104 | End: | |
105 | */ |