Parses a token and returns a node.
Twig_Token $token A Twig_Token instance:
Twig_NodeInterface A Twig_NodeInterface instance
Overrides Twig_TokenParserInterface::parse
public function parse(Twig_Token $token) {
  $this->parser
    ->getStream()
    ->expect(Twig_Token::BLOCK_END_TYPE);
  $body = $this->parser
    ->subparse(array(
    $this,
    'decideBlockEnd',
  ), true);
  $this->parser
    ->getStream()
    ->expect(Twig_Token::BLOCK_END_TYPE);
  return new Twig_Node_Sandbox($body, $token
    ->getLine(), $this
    ->getTag());
}