private void SetUnaryOperator(string operatorName, EvaluatorStack evaluator)
{
var firstVar = evaluator.Stack.Pop();
var addValue = new UnaryOperator(operatorName)
{
Left = firstVar,
FixedType = firstVar.ComputedType()
};
var result = SetNewVReg(evaluator);
var assign = new Assignment()
{
Left = result,
Right = addValue
};
assign.Left.FixedType = addValue.ComputedType();
AddOperation(SimpleOperations.LocalOperation.Kinds.Operator, assign);
}