public function Twig_TokenParser_Extends::parse

Parses a token and returns a node.

Parameters

Twig_Token $token A Twig_Token instance:

Return value

Twig_NodeInterface A Twig_NodeInterface instance

Overrides Twig_TokenParserInterface::parse

File

drupal/core/vendor/twig/twig/lib/Twig/TokenParser/Extends.php, line 29

Class

Twig_TokenParser_Extends
Extends a template by another one.

Code

public function parse(Twig_Token $token) {
  if (!$this->parser
    ->isMainScope()) {
    throw new Twig_Error_Syntax('Cannot extend from a block', $token
      ->getLine());
  }
  if (null !== $this->parser
    ->getParent()) {
    throw new Twig_Error_Syntax('Multiple extends tags are forbidden', $token
      ->getLine());
  }
  $this->parser
    ->setParent($this->parser
    ->getExpressionParser()
    ->parseExpression());
  $this->parser
    ->getStream()
    ->expect(Twig_Token::BLOCK_END_TYPE);
  return null;
}