git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| f8b6598e ZW |
1 | /* Basic error reporting routines. |
| 2 | Copyright (C) 1999 Free Software Foundation, Inc. | |
| 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 | |
| 40 | warning VPROTO ((const char *format, ...)) | |
| 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 | |
| 63 | error VPROTO ((const char *format, ...)) | |
| 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 | |
| 88 | fatal VPROTO ((const char *format, ...)) | |
| 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 | } |