Esempio n. 1
0
        Expression SetUserDefinedOperationInformations(ResolveContext rc, OverloadResolution r)
        {//TODO:Is It OK
            if (r.BestCandidateErrors != OverloadResolutionErrors.None)
            {
                rc.Report.Error(0, loc, "Operator `{0}' is ambiguous on an operand of type `{1}'",
                                OperName(Oper), Expr.Type.ToString());
                return(r.CreateInvocation(null));
            }


            IMethod method   = (IMethod)r.BestCandidate;
            var     operands = r.GetArgumentsWithConversions();

            this.operatortype              = ResolveContext.GetLinqNodeType(this.Oper, rc.checkForOverflow);
            this.isLiftedOperator          = method is OverloadResolution.ILiftedOperator;
            this.ResolvedType              = method.ReturnType;
            this.Expr                      = operands[0];
            this.userDefinedOperatorMethod = method;
            _resolved                      = true;
            return(this);
        }
 ResolveResult CreateResolveResultForUserDefinedOperator(OverloadResolution r, System.Linq.Expressions.ExpressionType operatorType)
 {
     if (r.BestCandidateErrors != OverloadResolutionErrors.None)
         return r.CreateResolveResult(null);
     IMethod method = (IMethod)r.BestCandidate;
     return new OperatorResolveResult(method.ReturnType, operatorType, method,
                                      isLiftedOperator: method is OverloadResolution.ILiftedOperator,
                                      operands: r.GetArgumentsWithConversions());
 }