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());
}