public function parse(\Twig_Token $token)
{
$stream = $this->parser->getStream();
$form = $stream->expect(\Twig_Token::NAME_TYPE)->getValue();
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
if (FormState::$current !== null) {
throw new \Twig_Error_Syntax(sprintf('form [%s] not closed while opening form [%s]', FormState::$current, $form), $token->getLine(), $stream->getFilename());
} else {
FormState::$current = $form;
}
return new FormNode($form, $token->getLine(), $this->getTag());
}