1/* 2 * This file is part of flex. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE. 22 */ 23 24%{ 25/* A template scanner file to build "scanner.c". */ 26#include <stdio.h> 27#include <stdlib.h> 28#include "config.h" 29%} 30 31%option 8bit 32%option nounput nomain noyywrap noinput 33%option warn yylineno 34 35 36 37%% 38 39foo|bar ; 40[[:digit:]]+ ; 41[[:blank:]]+ ; 42.|\n ; 43%% 44 45int main ( int argc, char** argv ) 46{ 47 FILE* fp = NULL; 48 void *yyscanner=0; 49 M4_YY_DECL_GUTS_VAR(); 50 51#ifdef TEST_IS_REENTRANT 52 yylex_init(&yyscanner); 53#else 54 (void)yyscanner; 55#endif 56 57#ifdef TEST_HAS_TABLES_EXTERNAL 58 if((fp = fopen(argv[1],"r"))== NULL) 59 YY_FATAL_ERROR("could not open tables file for reading"); 60 61 if(yytables_fload(fp M4_YY_CALL_LAST_ARG) < 0) 62 YY_FATAL_ERROR("yytables_fload returned < 0"); 63 if(M4_YY_TABLES_VERIFY) 64 exit(0); 65#endif 66 67 if(argc > 2){ 68 if((fp = fopen(argv[2],"r"))== NULL) 69 YY_FATAL_ERROR("could not open input file for reading"); 70 yyin = fp; 71 } 72 while(yylex(M4_YY_CALL_ONLY_ARG) != 0) 73 ; 74 75#ifdef TEST_HAS_TABLES_EXTERNAL 76 yytables_destroy(M4_YY_CALL_ONLY_ARG); 77#endif 78 yylex_destroy(M4_YY_CALL_ONLY_ARG); 79 80 if(argc < 0) /* silence the compiler */ 81 yyscanner = (void*)fp; 82 83 return 0; 84} 85