0  $accept : expr $end

   1  expr : '(' expr ')'

state 0
	$accept : . expr $end  (0)

	'('  shift 1
	.  error

	expr  goto 2


state 1
	expr : '(' . expr ')'  (1)

	'('  shift 1
	.  error

	expr  goto 3


state 2
	$accept : expr . $end  (0)

	$end  accept


state 3
	expr : '(' expr . ')'  (1)

	')'  shift 4
	.  error


state 4
	expr : '(' expr ')' .  (1)

	.  reduce 1


4 terminals, 2 nonterminals
2 grammar rules, 5 states