| 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 | */ |