protected function SimplifyNode(\PHPParser_Node_Expr $Node)
{
if ($this->IsConstant($Node->{$this->OperandProperty})) {
$OperandValue = $this->GetValue($Node->{$this->OperandProperty});
$UnaryOperation = $this->UnaryOperation;
$UnaryOperation($OperandValue);
return $this->Constant($OperandValue);
}
}