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<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
* (c) Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Extends a template by another one.
*
* <pre>
* {% extends "base.html" %}
* </pre>
*
* @final
*/
class Twig_TokenParser_Extends extends Twig_TokenParser
{
public function parse(Twig_Token $token)
{
$stream = $this->parser->getStream();
if (!$this->parser->isMainScope()) {
throw new Twig_Error_Syntax('Cannot extend from a block.', $token->getLine(), $stream->getSourceContext());
}
if (null !== $this->parser->getParent()) {
throw new Twig_Error_Syntax('Multiple extends tags are forbidden.', $token->getLine(), $stream->getSourceContext());
}
$this->parser->setParent($this->parser->getExpressionParser()->parseExpression());
$stream->expect(Twig_Token::BLOCK_END_TYPE);
}
public function getTag()
{
return 'extends';
}
}
class_alias('Twig_TokenParser_Extends', 'Twig\TokenParser\ExtendsTokenParser', false);
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