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/* $NetBSD: err_syntax23.y,v 1.1.1.1 2015/01/03 22:58:23 christos Exp $ */
%{
int yylex(void);
static void yyerror(const char *);
%}
%union {
int ival;
double dval;
}
%type <tag2> recur
%token NUMBER
%%
expr : '(' recur ')'
{ $$ = $2; }
;
recur : NUMBER
{ $$ = 1; }
;
%%
#include <stdio.h>
int
main(void)
{
printf("yyparse() = %d\n", yyparse());
return 0;
}
int
yylex(void)
{
return -1;
}
static void
yyerror(const char* s)
{
printf("%s\n", s);
}
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