Boo.Lang.Compiler.Steps.ProcessMethodBodies.BindBitwiseOperator C# (CSharp) Метод

        void BindBitwiseOperator(BinaryExpression node)
        {
            IType lhs = GetExpressionType(node.Left);
            IType rhs = GetExpressionType(node.Right);

            if (TypeSystemServices.IsIntegerOrBool(lhs) &&
                TypeSystemServices.IsIntegerOrBool(rhs))
            {
                IType type;
                switch (node.Operator)
                {
                    case BinaryOperatorType.ShiftLeft:
                    case BinaryOperatorType.ShiftRight:
                        type = lhs;
                        break;
                    default:
                        type = TypeSystemServices.GetPromotedNumberType(lhs, rhs);
                        break;
                }
                BindExpressionType(node, type);
            }
            else
            {
            //				if (lhs.IsEnum && rhs == lhs)
            //				{
            //					BindExpressionType(node, lhs);
            //				}
            //				else
            //				{
                    if (!ResolveOperator(node))
                    {
                        InvalidOperatorForTypes(node);
                    }
            //				}
            }
        }