minix/external/bsd/flex/dist/tests/TEMPLATE/parser.y

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2012-06-06 16:10:32 +02:00
/* $NetBSD: parser.y,v 1.1.1.1 2009/10/26 00:29:29 christos Exp $ */
/*
* 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.
*/
/* A dummy template parser to build "parser.c" and "parser.h".
How to compile:
bison --defines --output-file="parser.c" --name-prefix="test" parser.y
*/
%{
#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#define YYERROR_VERBOSE 1 /* For debugging. */
/* #define YYPARSE_PARAM scanner */ /* For pure bison parser. */
/* #define YYLEX_PARAM scanner */ /* For reentrant flex. */
int yyerror(char* msg);
extern int testlex();
%}
%%
rule: ;
%%
int yyerror(char* msg) {
fprintf(stderr,"%s\n",msg);
return 0;
}
/*
int
main ( int argc, char** argv )
{
yyparse ();
return 0;
}
*/