Boo.Lang.Compiler.TypeSystem.BooClassBuilder.AddAttribute C# (CSharp) Method

        public void AddAttribute(Attribute attribute)
        {
            _cd.Attributes.Add(attribute);
        }

        void CreateEnumerator()
        {
            IType abstractEnumeratorType =
                TypeSystemServices.Map(typeof(Boo.Lang.GenericGeneratorEnumerator<>)).
                GenericInfo.ConstructType(new IType[] {_generatorItemType});

            _state = NameResolutionService.ResolveField(abstractEnumeratorType, "_state");
            _yield = NameResolutionService.ResolveMethod(abstractEnumeratorType, "Yield");

            _enumerator = CodeBuilder.CreateClass("$");
            _enumerator.AddAttribute(CodeBuilder.CreateAttribute(typeof(System.Runtime.CompilerServices.CompilerGeneratedAttribute)));
            _enumerator.Modifiers |= TypeMemberModifiers.Final;
            _enumerator.LexicalInfo = this.LexicalInfo;
            _enumerator.AddBaseType(abstractEnumeratorType);
            _enumerator.AddBaseType(TypeSystemServices.IEnumeratorType);

            CreateEnumeratorConstructor();
            CreateMoveNext();

            _enumerable.ClassDefinition.Members.Add(_enumerator.ClassDefinition);
            //new Boo.Lang.Compiler.Ast.Visitors.BooPrinterVisitor(System.Console.Out).Visit(_enumerator.ClassDefinition);
        }