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Diffstat (limited to 'tests/test-reject/scanner.l')
-rw-r--r-- | tests/test-reject/scanner.l | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/tests/test-reject/scanner.l b/tests/test-reject/scanner.l new file mode 100644 index 0000000..a093ae4 --- /dev/null +++ b/tests/test-reject/scanner.l @@ -0,0 +1,77 @@ +/* + * This file is part of flex. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. + */ + +%{ +#include <stdio.h> +#include <stdlib.h> +#include "config.h" + +%} + +%option 8bit prefix="test" +%option nounput nomain noyywrap +%option warn reject + + +%% + +. { REJECT; } +.|\n ; + +%% + +int main ( int argc, char** argv ) +{ + FILE* fp = NULL; + void *yyscanner=0; +#ifdef YY_REENTRANT + yylex_init(&yyscanner); +#endif +#ifdef YY_TABLES_EXTERNAL + if((fp = fopen(argv[1],"r"))== NULL) + yy_fatal_error("could not open tables file for reading" YY_CALL_LAST_ARG); + + if(yytables_load(fp YY_CALL_LAST_ARG) < 0) + yy_fatal_error("yytables_load returned < 0" YY_CALL_LAST_ARG); + if(YY_TABLES_VERIFY) + exit(0); +#endif + + if(argc > 2){ + if((fp = fopen(argv[2],"r"))== NULL) + yy_fatal_error("could not open input file for reading" YY_CALL_LAST_ARG); + yyin = fp; + } + while(yylex(YY_CALL_ONLY_ARG) != 0) + ; + +#ifdef YY_TABLES_EXTERNAL + yytables_destroy(YY_CALL_ONLY_ARG); +#endif + yylex_destroy(YY_CALL_ONLY_ARG); + + if(argc < 0) /* silence the compiler */ + yyscanner = (void*)fp; + + return 0; +} |