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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.
*/
namespace Twig\TokenParser;
use Twig\Error\SyntaxError;
use Twig\Node\Node;
use Twig\Token;
/**
* Extends a template by another one.
*
* {% extends "base.html" %}
*/
final class ExtendsTokenParser extends AbstractTokenParser
{
public function parse(Token $token)
{
$stream = $this->parser->getStream();
if ($this->parser->peekBlockStack()) {
throw new SyntaxError('Cannot use "extend" in a block.', $token->getLine(), $stream->getSourceContext());
} elseif (!$this->parser->isMainScope()) {
throw new SyntaxError('Cannot use "extend" in a macro.', $token->getLine(), $stream->getSourceContext());
}
if (null !== $this->parser->getParent()) {
throw new SyntaxError('Multiple extends tags are forbidden.', $token->getLine(), $stream->getSourceContext());
}
$this->parser->setParent($this->parser->getExpressionParser()->parseExpression());
$stream->expect(Token::BLOCK_END_TYPE);
return new Node();
}
public function getTag()
{
return 'extends';
}
}
class_alias('Twig\TokenParser\ExtendsTokenParser', 'Twig_TokenParser_Extends');