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f8b6598e | 1 | /* Basic error reporting routines. |
711d877c | 2 | Copyright (C) 1999, 2000 Free Software Foundation, Inc. |
f8b6598e ZW |
3 | |
4 | This file is part of GNU CC. | |
5 | ||
6 | GNU CC is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU CC is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU CC; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | /* warning, error, and fatal. These definitions are suitable for use | |
22 | in the generator programs; eventually we would like to use them in | |
23 | cc1 too, but that's a longer term project. */ | |
24 | ||
25 | #include "config.h" | |
26 | #include "system.h" | |
27 | #include "errors.h" | |
28 | ||
29 | /* Set this to argv[0] at the beginning of main. */ | |
30 | ||
31 | const char *progname; | |
32 | ||
33 | /* Starts out 0, set to 1 if error is called. */ | |
34 | ||
35 | int have_error = 0; | |
36 | ||
37 | /* Print a warning message - output produced, but there may be problems. */ | |
38 | ||
39 | void | |
711d877c | 40 | warning VPARAMS ((const char *format, ...)) |
f8b6598e ZW |
41 | { |
42 | #ifndef ANSI_PROTOTYPES | |
43 | const char *format; | |
44 | #endif | |
45 | va_list ap; | |
46 | ||
47 | VA_START (ap, format); | |
48 | ||
49 | #ifndef ANSI_PROTOTYPES | |
50 | format = va_arg (ap, const char *); | |
51 | #endif | |
52 | ||
53 | fprintf (stderr, "%s: warning: ", progname); | |
54 | vfprintf (stderr, format, ap); | |
55 | va_end (ap); | |
56 | fputc('\n', stderr); | |
57 | } | |
58 | ||
59 | ||
60 | /* Print an error message - we keep going but the output is unusable. */ | |
61 | ||
62 | void | |
711d877c | 63 | error VPARAMS ((const char *format, ...)) |
f8b6598e ZW |
64 | { |
65 | #ifndef ANSI_PROTOTYPES | |
66 | const char *format; | |
67 | #endif | |
68 | va_list ap; | |
69 | ||
70 | VA_START (ap, format); | |
71 | ||
72 | #ifndef ANSI_PROTOTYPES | |
73 | format = va_arg (ap, const char *); | |
74 | #endif | |
75 | ||
76 | fprintf (stderr, "%s: ", progname); | |
77 | vfprintf (stderr, format, ap); | |
78 | va_end (ap); | |
79 | fputc('\n', stderr); | |
80 | ||
81 | have_error = 1; | |
82 | } | |
83 | ||
84 | ||
85 | /* Fatal error - terminate execution immediately. Does not return. */ | |
86 | ||
87 | void | |
711d877c | 88 | fatal VPARAMS ((const char *format, ...)) |
f8b6598e ZW |
89 | { |
90 | #ifndef ANSI_PROTOTYPES | |
91 | const char *format; | |
92 | #endif | |
93 | va_list ap; | |
94 | ||
95 | VA_START (ap, format); | |
96 | ||
97 | #ifndef ANSI_PROTOTYPES | |
98 | format = va_arg (ap, const char *); | |
99 | #endif | |
100 | ||
101 | fprintf (stderr, "%s: ", progname); | |
102 | vfprintf (stderr, format, ap); | |
103 | va_end (ap); | |
104 | fputc('\n', stderr); | |
105 | exit (FATAL_EXIT_CODE); | |
106 | } |