internal static void SetMethodAttributes(RubyModule/*!*/ module, string/*!*/[]/*!*/ methodNames, RubyMethodAttributes attributes) { var context = module.Context; bool isModuleFunction = (attributes & RubyMethodAttributes.ModuleFunction) == RubyMethodAttributes.ModuleFunction; var instanceVisibility = isModuleFunction ? RubyMethodVisibility.Private : (RubyMethodVisibility)(attributes & RubyMethodAttributes.VisibilityMask); foreach (string methodName in methodNames) { RubyMemberInfo method; // we need to define new methods one by one since the method_added events can define a new method that might be used here: using (context.ClassHierarchyLocker()) { method = module.ResolveMethodFallbackToObjectNoLock(methodName, RubyClass.IgnoreVisibility).Info; if (method == null) { throw RubyExceptions.CreateNameError(RubyExceptions.FormatMethodMissingMessage(context, module, methodName)); } // MRI only adds method to the target module if visibility differs: if (method.Visibility != instanceVisibility) { module.SetVisibilityNoEventNoLock(context, methodName, method, instanceVisibility); } if (isModuleFunction) { module.SetModuleFunctionNoEventNoLock(context, methodName, method); } } if (method.Visibility != instanceVisibility) { context.MethodAdded(module, methodName); } if (isModuleFunction) { context.MethodAdded(module.SingletonClass, methodName); } } }