public function parseFilterExpressionRaw($node, $tag = null)
{
while (true) {
$token = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE);
$name = new Twig_Node_Expression_Constant($token->getValue(), $token->getLine());
if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
$arguments = new Twig_Node();
} else {
$arguments = $this->parseArguments();
}
$node = new Twig_Node_Expression_Filter($node, $name, $arguments, $token->getLine(), $tag);
// The default filter is intercepted when the filtered value
// is a name (like obj) or an attribute (like obj.attr)
// In such a case, it's compiled to {{ obj is defined ? obj|default('bar') : 'bar' }}
if ('default' === $token->getValue() && ($node->getNode('node') instanceof Twig_Node_Expression_Name || $node->getNode('node') instanceof Twig_Node_Expression_GetAttr)) {
$test = new Twig_Node_Expression_Test(clone $node->getNode('node'), 'defined', new Twig_Node(), $node->getLine());
$default = count($node->getNode('arguments')) ? $node->getNode('arguments')->getNode(0) : new Twig_Node_Expression_Constant('', $node->getLine());
$node = new Twig_Node_Expression_Conditional($test, $node, $default, $node->getLine());
}
if (!$this->parser->getStream()->test(Twig_Token::PUNCTUATION_TYPE, '|')) {
break;
}
$this->parser->getStream()->next();
}
return $node;
}
