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 33 %option warn yylineno 34 35 36 37 %% 38 39 foo|bar ; 40 [[:digit:]]+ ; 41 [[:blank:]]+ ; 42 .|\n ; 43 %% 44 45 int 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 #endif 54 55 #ifdef TEST_HAS_TABLES_EXTERNAL 56 if((fp = fopen(argv[1],"r"))== NULL) 57 YY_FATAL_ERROR("could not open tables file for reading"); 58 59 if(yytables_fload(fp M4_YY_CALL_LAST_ARG) < 0) 60 YY_FATAL_ERROR("yytables_fload returned < 0"); 61 if(M4_YY_TABLES_VERIFY) 62 exit(0); 63 #endif 64 65 if(argc > 2){ 66 if((fp = fopen(argv[2],"r"))== NULL) 67 YY_FATAL_ERROR("could not open input file for reading"); 68 yyin = fp; 69 } 70 while(yylex(M4_YY_CALL_ONLY_ARG) != 0) 71 ; 72 73 #ifdef TEST_HAS_TABLES_EXTERNAL 74 yytables_destroy(M4_YY_CALL_ONLY_ARG); 75 #endif 76 yylex_destroy(M4_YY_CALL_ONLY_ARG); 77 78 if(argc < 0) /* silence the compiler */ 79 yyscanner = (void*)fp; 80 81 return 0; 82 } 83