OverloadResolutionErrors IsUnambiguousCall(ExpectedTargetDetails expectedTargetDetails, IMethod method,
TranslatedExpression target, IType[] typeArguments, IList <TranslatedExpression> arguments)
{
var lookup = new MemberLookup(resolver.CurrentTypeDefinition, resolver.CurrentTypeDefinition.ParentAssembly);
var or = new OverloadResolution(resolver.Compilation, arguments.SelectArray(a => a.ResolveResult), typeArguments: typeArguments);
if (expectedTargetDetails.CallOpCode == OpCode.NewObj)
{
foreach (IMethod ctor in method.DeclaringType.GetConstructors())
{
if (lookup.IsAccessible(ctor, allowProtectedAccess: resolver.CurrentTypeDefinition == method.DeclaringTypeDefinition))
{
or.AddCandidate(ctor);
}
}
}
else
{
var result = lookup.Lookup(target.ResolveResult, method.Name, EmptyList <IType> .Instance, true) as MethodGroupResolveResult;
if (result == null)
{
return(OverloadResolutionErrors.AmbiguousMatch);
}
or.AddMethodLists(result.MethodsGroupedByDeclaringType.ToArray());
}
if (or.BestCandidateErrors != OverloadResolutionErrors.None)
{
return(or.BestCandidateErrors);
}
if (!IsAppropriateCallTarget(expectedTargetDetails, method, or.GetBestCandidateWithSubstitutedTypeArguments()))
{
return(OverloadResolutionErrors.AmbiguousMatch);
}
return(OverloadResolutionErrors.None);
}