/**
* Returns the root property.
*
* For example, given an expression like $foo->bar->baz this method will
* return the identifier (T_STRING TokenNode) 'bar'.
*
* @return Node
* The node for the root property.
*/
public function getRootProperty()
{
if ($this->object instanceof ObjectPropertyNode) {
return $this->object->getRootProperty();
} else {
return $this->property;
}
}
