/**
* Accept method of the visitor design pattern. This method will be called
* by a visitor during tree traversal.
*
* @param PHP_Depend_Code_ASTVisitorI $visitor The calling visitor instance.
* @param array(string=>integer) $data Optional previous calculated data.
*
* @return mixed
* @since 0.9.8
*/
public function accept(PHP_Depend_Code_ASTVisitorI $visitor, $data = null)
{
$data = $visitor->visitBefore($this, $data);
foreach ($this->nodes as $node) {
$data = $node->accept($visitor, $data);
}
return $visitor->visitAfter($this, $data);
}
