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 #include <stdio.h>
26 #include <stdlib.h>
27 #include "config.h"
28 
29 %}
30 
31 %option 8bit prefix="test"
32 %option nounput nomain noyywrap
33 %option warn reject
34 
35 
36 %%
37 
38 .              { REJECT; }
39 .|\n           ;
40 
41 %%
42 
43 int main ( int argc, char** argv )
44 {
45     FILE* fp = NULL;
46     void *yyscanner=0;
47     M4_YY_DECL_GUTS_VAR();
48 
49 #ifdef TEST_IS_REENTRANT
50     yylex_init(&yyscanner);
51 #endif
52 
53 #ifdef TEST_HAS_TABLES_EXTERNAL
54     if((fp  = fopen(argv[1],"r"))== NULL)
55         YY_FATAL_ERROR("could not open tables file for reading");
56 
57     if(yytables_fload(fp M4_YY_CALL_LAST_ARG) < 0)
58         YY_FATAL_ERROR("yytables_fload returned < 0");
59     if(M4_YY_TABLES_VERIFY)
60         exit(0);
61 #endif
62 
63     if(argc > 2){
64         if((fp  = fopen(argv[2],"r"))== NULL)
65             YY_FATAL_ERROR("could not open input file for reading");
66         yyin = fp;
67     }
68     while(yylex(M4_YY_CALL_ONLY_ARG) != 0)
69         ;
70 
71 #ifdef TEST_HAS_TABLES_EXTERNAL
72     yytables_destroy(M4_YY_CALL_ONLY_ARG);
73 #endif
74     yylex_destroy(M4_YY_CALL_ONLY_ARG);
75 
76     if(argc < 0) /* silence the compiler */
77         yyscanner = (void*)fp;
78 
79     return 0;
80 }
81