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