1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2010 Fabien Potencier
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12/**
13 * @deprecated since version 1.5
14 */
15class Twig_Extensions_Grammar_Boolean extends Twig_Extensions_Grammar
16{
17    public function __toString()
18    {
19        return sprintf('<%s:boolean>', $this->name);
20    }
21
22    public function parse(Twig_Token $token)
23    {
24        $this->parser->getStream()->expect(Twig_Token::NAME_TYPE, array('true', 'false'));
25
26        return new Twig_Node_Expression_Constant('true' === $token->getValue() ? true : false, $token->getLine());
27    }
28}
29