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Checkpoint on lwcc-cpp development This checkpoint includes a tokenizer and basic implementation of #if, #ifdef, #ifndef, #else, #endif, #elif, and #undef along with basic symbol table management.
author William Astle <lost@l-w.ca>
date Tue, 10 Sep 2013 19:56:05 -0600
parents 2c24602be78f
children 8e25147c2aa8
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1 /*
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2 lw_error.c
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3
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4 Copyright © 2010 William Astle
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5
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6 This file is part of LWTOOLS.
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7
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8 LWTOOLS is free software: you can redistribute it and/or modify it under the
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9 terms of the GNU General Public License as published by the Free Software
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10 Foundation, either version 3 of the License, or (at your option) any later
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11 version.
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13 This program is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 more details.
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17
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18 You should have received a copy of the GNU General Public License along with
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19 this program. If not, see <http://www.gnu.org/licenses/>.
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20 */
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21
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22 #define ___lw_error_c_seen___
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23 #include "lw_error.h"
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24
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27 #include <stdarg.h>
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29 static void (*lw_error_func)(const char *fmt, ...) = NULL;
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30
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31 void lw_error(const char *fmt, ...)
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32 {
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33 va_list args;
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34 va_start(args, fmt);
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35 if (lw_error_func)
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36 (*lw_error_func)(fmt, args);
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37 else
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38 vfprintf(stderr, fmt, args);
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39 va_end(args);
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40 exit(1);
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41 }
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42
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43 void lw_error_setfunc(void (*f)(const char *fmt, ...))
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44 {
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45 lw_error_func = f;
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46 }