84 lines
2.2 KiB
Text
84 lines
2.2 KiB
Text
/* $NetBSD: scanner.l,v 1.1.1.1 2009/10/26 00:29:55 christos Exp $ */
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/*
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* This file is part of flex.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE.
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*/
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%{
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/* A template scanner file to build "scanner.c". */
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#include <stdio.h>
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#include <stdlib.h>
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#include "config.h"
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%}
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%option 8bit
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%option nounput nomain noyywrap
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%option warn yylineno
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%%
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foo|bar ;
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[[:digit:]]+ ;
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[[:blank:]]+ ;
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.|\n ;
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%%
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int main ( int argc, char** argv )
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{
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FILE* fp = NULL;
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void *yyscanner=0;
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M4_YY_DECL_GUTS_VAR();
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#ifdef TEST_IS_REENTRANT
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yylex_init(&yyscanner);
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#endif
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#ifdef TEST_HAS_TABLES_EXTERNAL
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if((fp = fopen(argv[1],"r"))== NULL)
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yy_fatal_error("could not open tables file for reading" M4_YY_CALL_LAST_ARG);
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if(yytables_fload(fp M4_YY_CALL_LAST_ARG) < 0)
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yy_fatal_error("yytables_fload returned < 0" M4_YY_CALL_LAST_ARG);
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if(M4_YY_TABLES_VERIFY)
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exit(0);
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#endif
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if(argc > 2){
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if((fp = fopen(argv[2],"r"))== NULL)
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yy_fatal_error("could not open input file for reading" M4_YY_CALL_LAST_ARG);
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yyin = fp;
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}
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while(yylex(M4_YY_CALL_ONLY_ARG) != 0)
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;
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#ifdef TEST_HAS_TABLES_EXTERNAL
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yytables_destroy(M4_YY_CALL_ONLY_ARG);
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#endif
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yylex_destroy(M4_YY_CALL_ONLY_ARG);
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if(argc < 0) /* silence the compiler */
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yyscanner = (void*)fp;
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return 0;
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}
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