4 * This file is part of Twig.
6 * (c) 2010 Fabien Potencier
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
11 class Twig_Extensions_Grammar_Boolean
extends Twig_Extensions_Grammar
13 public function __toString()
15 return sprintf('<%s:boolean>', $this->name
);
18 public function parse(Twig_Token
$token)
20 $this->parser
->getStream()->expect(Twig_Token
::NAME_TYPE
, array('true', 'false'));
22 return new Twig_Node_Expression_Constant('true' === $token->getValue() ? true : false, $token->getLine());