protected override Expression DoResolve(ResolveContext rc) { if (rc.IsRuntimeBinder) { if (UnwrapLeft == null && !Left.Type.IsNullableType) { Left = LiftOperand(rc, Left); } if (UnwrapRight == null && !Right.Type.IsNullableType) { Right = LiftOperand(rc, Right); } } else { if (UnwrapLeft == null && Left != null && Left.Type.IsNullableType) { Left = Unwrap.CreateUnwrapped(Left); UnwrapLeft = Left as Unwrap; } if (UnwrapRight == null && Right != null && Right.Type.IsNullableType) { Right = Unwrap.CreateUnwrapped(Right); UnwrapRight = Right as Unwrap; } if (Left.Type.BuiltinType == BuiltinTypeSpec.Type.Decimal) { var decimal_operators = MemberCache.GetUserOperator(Left.Type, Binary.ConvertBinaryToUserOperator(Binary.Oper), false); Arguments args = new Arguments(2); args.Add(new Argument(Left)); args.Add(new Argument(Right)); const OverloadResolver.Restrictions restr = OverloadResolver.Restrictions.ProbingOnly | OverloadResolver.Restrictions.NoBaseMembers | OverloadResolver.Restrictions.BaseMembersIncluded; var res = new OverloadResolver(decimal_operators, restr, loc); UserOperator = res.ResolveOperator(rc, ref args); } } type = Binary.Type; eclass = Binary.eclass; return(this); }