xref: /minix3/external/bsd/flex/dist/tests/TEMPLATE/parser.y (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*357f1050SThomas Veerman /*
2*357f1050SThomas Veerman  * This file is part of flex.
3*357f1050SThomas Veerman  *
4*357f1050SThomas Veerman  * Redistribution and use in source and binary forms, with or without
5*357f1050SThomas Veerman  * modification, are permitted provided that the following conditions
6*357f1050SThomas Veerman  * are met:
7*357f1050SThomas Veerman  *
8*357f1050SThomas Veerman  * 1. Redistributions of source code must retain the above copyright
9*357f1050SThomas Veerman  *    notice, this list of conditions and the following disclaimer.
10*357f1050SThomas Veerman  * 2. Redistributions in binary form must reproduce the above copyright
11*357f1050SThomas Veerman  *    notice, this list of conditions and the following disclaimer in the
12*357f1050SThomas Veerman  *    documentation and/or other materials provided with the distribution.
13*357f1050SThomas Veerman  *
14*357f1050SThomas Veerman  * Neither the name of the University nor the names of its contributors
15*357f1050SThomas Veerman  * may be used to endorse or promote products derived from this software
16*357f1050SThomas Veerman  * without specific prior written permission.
17*357f1050SThomas Veerman  *
18*357f1050SThomas Veerman  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
19*357f1050SThomas Veerman  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
20*357f1050SThomas Veerman  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21*357f1050SThomas Veerman  * PURPOSE.
22*357f1050SThomas Veerman  */
23*357f1050SThomas Veerman 
24*357f1050SThomas Veerman /* A dummy template parser to build "parser.c" and "parser.h".
25*357f1050SThomas Veerman    How to compile:
26*357f1050SThomas Veerman    bison --defines --output-file="parser.c" --name-prefix="test" parser.y
27*357f1050SThomas Veerman  */
28*357f1050SThomas Veerman %{
29*357f1050SThomas Veerman #include <stdio.h>
30*357f1050SThomas Veerman #include <stdlib.h>
31*357f1050SThomas Veerman #include "config.h"
32*357f1050SThomas Veerman 
33*357f1050SThomas Veerman #define YYERROR_VERBOSE 1       /* For debugging.   */
34*357f1050SThomas Veerman /* #define YYPARSE_PARAM scanner  */ /* For pure bison parser. */
35*357f1050SThomas Veerman /* #define YYLEX_PARAM   scanner  */ /* For reentrant flex. */
36*357f1050SThomas Veerman 
37*357f1050SThomas Veerman 
38*357f1050SThomas Veerman int yyerror(char* msg);
39*357f1050SThomas Veerman extern int testlex();
40*357f1050SThomas Veerman 
41*357f1050SThomas Veerman %}
42*357f1050SThomas Veerman 
43*357f1050SThomas Veerman %%
44*357f1050SThomas Veerman 
45*357f1050SThomas Veerman rule:  ;
46*357f1050SThomas Veerman 
47*357f1050SThomas Veerman %%
48*357f1050SThomas Veerman 
49*357f1050SThomas Veerman int yyerror(char* msg) {
50*357f1050SThomas Veerman     fprintf(stderr,"%s\n",msg);
51*357f1050SThomas Veerman     return 0;
52*357f1050SThomas Veerman }
53*357f1050SThomas Veerman 
54*357f1050SThomas Veerman /*
55*357f1050SThomas Veerman int
56*357f1050SThomas Veerman main ( int argc, char** argv )
57*357f1050SThomas Veerman {
58*357f1050SThomas Veerman     yyparse ();
59*357f1050SThomas Veerman     return 0;
60*357f1050SThomas Veerman }
61*357f1050SThomas Veerman */
62