xref: /minix3/external/bsd/flex/dist/tests/TEMPLATE/parser.y (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
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 /* A dummy template parser to build "parser.c" and "parser.h".
25    How to compile:
26    bison --defines --output-file="parser.c" --name-prefix="test" parser.y
27  */
28 %{
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include "config.h"
32 
33 #define YYERROR_VERBOSE 1       /* For debugging.   */
34 /* #define YYPARSE_PARAM scanner  */ /* For pure bison parser. */
35 /* #define YYLEX_PARAM   scanner  */ /* For reentrant flex. */
36 
37 
38 int yyerror(char* msg);
39 extern int testlex();
40 
41 %}
42 
43 %%
44 
45 rule:  ;
46 
47 %%
48 
49 int yyerror(char* msg) {
50     fprintf(stderr,"%s\n",msg);
51     return 0;
52 }
53 
54 /*
55 int
56 main ( int argc, char** argv )
57 {
58     yyparse ();
59     return 0;
60 }
61 */
62