HardenedBSD/contrib/byacc/test/err_syntax24.y
Baptiste Daroussin 0c8de5b03c Update to byacc 20140409
Among all the modifications, this new byacc also solves a 14 year old bug [1]

PR:		bin/23254 [1]
Submitted by:	marka@nominum.com [1]
MFC after:	3 weeks
2014-04-23 05:57:45 +00:00

47 lines
415 B
Plaintext

%{
int yylex(void);
static void yyerror(const char *);
%}
%union {
int ival;
double dval;
}
%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);
}