* {% extends "base.html" %} * */ 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'; } }