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

        private void EmitCallableResolutionError(Node sourceNode, IEntity[] candidates, ExpressionCollection args)
        {
            //if this is call without arguments and ambiguous contains generic method without arguments
            //than emit BCE0164 for readability
            var genericMethod = candidates.OfType<IMethod>().FirstOrDefault(m => m.GenericInfo != null && m.GetParameters().Length == 0);
            if (args.Count == 0 && genericMethod != null)
            {
                Error(CompilerErrorFactory.CannotInferGenericMethodArguments(sourceNode, genericMethod));
                return;
            }

            if (CallableResolutionService.ValidCandidates.Count > 1)
            {
                Error(CompilerErrorFactory.AmbiguousReference(sourceNode, candidates[0].Name, CallableResolutionService.ValidCandidates.Select(c => (IEntity)c.Method)));
                return;
            }

            var candidate = candidates[0];
            var constructor = candidate as IConstructor;
            if (constructor != null)
            {
                Error(CompilerErrorFactory.NoApropriateConstructorFound(sourceNode, constructor.DeclaringType, GetSignature(args)));
            }
            else
            {
                Error(CompilerErrorFactory.NoApropriateOverloadFound(sourceNode, GetSignature(args), candidate.FullName));
            }
        }