private static void GenerateExternalMethodWarnings(SourceMethodSymbol methodSymbol, DiagnosticBag diagnostics)
{
if (methodSymbol.GetAttributes().IsEmpty && !methodSymbol.ContainingType.IsComImport)
{
// external method with no attributes
var errorCode = (methodSymbol.MethodKind == MethodKind.Constructor || methodSymbol.MethodKind == MethodKind.StaticConstructor) ?
ErrorCode.WRN_ExternCtorNoImplementation :
ErrorCode.WRN_ExternMethodNoImplementation;
diagnostics.Add(errorCode, methodSymbol.Locations[0], methodSymbol);
}
}
