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Elixir Cross Referencer

/*	$NetBSD: err_syntax25.y,v 1.1.1.3 2016/01/09 21:59:45 christos Exp $	*/

%{
int yylex(void);
static void yyerror(const char *);
%}

%union {
	int ival;
	double dval;
}

%union {
	int ival2;
	double dval2;
}

%start expr
%type <tag2> expr

%token NUMBER

%%

expr  :  '(' recur ')'
      ;

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);
}