/**
* This method parses a PHP 5.3 closure or lambda function.
*
* @return PHP_Depend_Code_ASTClosure
* @since 0.9.5
*/
private function _parseClosureDeclaration()
{
$this->_tokenStack->push();
if (self::T_FUNCTION === $this->tokenizer->peek()) {
$this->consumeToken(self::T_FUNCTION);
}
$closure = $this->builder->buildASTClosure();
$closure->setReturnsByReference($this->_parseOptionalByReference());
$closure->addChild($this->_parseFormalParameters());
$closure = $this->_parseOptionalBoundVariables($closure);
$closure->addChild($this->_parseScope());
return $this->_setNodePositionsAndReturn($closure);
}
/**
* Parses an ast closure node.
*
* @return PHP_Depend_Code_ASTClosure
* @since 0.9.12
*/
private function _parseClosure()
{
$this->_tokenStack->push();
// TODO: Refactor this temporary closure solution.
$temp = $this->_parseFunctionOrClosureDeclaration();
$expr = $this->_builder->buildASTClosure();
foreach ($temp->getChildren() as $child) {
$expr->addChild($child);
}
return $this->_setNodePositionsAndReturn($expr);
}
