Boo.Lang.Compiler.Steps.EmitAssembly.EmitLogicalNot C# (CSharp) Метод

        private void EmitLogicalNot(UnaryExpression node)
        {
            Expression operand = node.Operand;
            operand.Accept(this);
            IType typeOnStack = PopType();
            bool notContext = true;

            if (IsBoolOrInt(typeOnStack))
            {
                EmitIntNot();
            }
            else if (EmitToBoolIfNeeded(operand, ref notContext))
            {
                if (!notContext) //we are in a not context and emit to bool is also in a not context
                    EmitIntNot();//so we do not need any not (false && false => true)
            }
            else
            {
                EmitGenericNot();
            }
            PushBool();
        }