Boo.Lang.Compiler.Steps.EmitAssembly.GetExtendedTypeAttributes C# (CSharp) Метод

        TypeAttributes GetExtendedTypeAttributes(TypeAttributes attributes, TypeMember type)
        {
            switch (type.NodeType)
            {
                case NodeType.ClassDefinition:
                    {
                        attributes |= (TypeAttributes.AnsiClass | TypeAttributes.AutoLayout);
                        attributes |= TypeAttributes.Class;

                        if (!((ClassDefinition) type).HasDeclaredStaticConstructor)
                        {
                            attributes |= TypeAttributes.BeforeFieldInit;
                        }
                        if (type.IsAbstract)
                        {
                            attributes |= TypeAttributes.Abstract;
                        }
                        if (type.IsFinal)
                        {
                            attributes |= TypeAttributes.Sealed;
                        }

                        if (type.IsStatic) //static type is Sealed+Abstract in SRE
                            attributes |= TypeAttributes.Sealed | TypeAttributes.Abstract;
                        else if (!type.IsTransient)
                            attributes |= TypeAttributes.Serializable;

                        if (((IType)type.Entity).IsValueType)
                        {
                            attributes |= TypeAttributes.SequentialLayout;
                        }
                        break;
                    }

                case NodeType.EnumDefinition:
                    {
                        attributes |= TypeAttributes.Sealed;
                        attributes |= TypeAttributes.Serializable;
                        break;
                    }

                case NodeType.InterfaceDefinition:
                    {
                        attributes |= (TypeAttributes.Interface | TypeAttributes.Abstract);
                        break;
                    }

                case NodeType.Module:
                    {
                        attributes |= TypeAttributes.Sealed;
                        break;
                    }
            }
            return attributes;
        }