Bike.Interpreter.Interpreter.GetFirstObjectFromMember C# (CSharp) Метод

        private object GetFirstObjectFromMember(ExprNode memberExp, List<Node> suffixes)
        {
            if (memberExp is SelfExpression)
            {
                return Context.CurrentFrame.Resolve("this");
            }
            if (memberExp is Identifier)
            {
                var id = ((Identifier)memberExp).Value;
                if (Context.CurrentFrame.Exist(id))
                    return Context.CurrentFrame.Resolve(id);

                // TODO handle nested type
                // propably CLR type
                if (!(suffixes[0] is TypeDescriptorSuffix) && Context.IsClrType(id))
                    return Context.LoadTypeFromName(id);

                // start with namespace?  attempt further
                for (int i = 0; i < suffixes.Count; i++)
                {
                    var suffix = suffixes[i];
                    if (suffix is IndexSuffix)
                        break;

                    if (suffix is TypeDescriptorSuffix)
                    {
                        var typeParams = (Type[])suffix.Accept(this);
                        suffixes.RemoveRange(0, i + 1);
                        return Context.LoadTypeFromName(id, typeParams);
                    }

                    id += "." + suffix.SuffixValue(this);
                    if (i < suffixes.Count - 1 && (suffixes[i + 1] is TypeDescriptorSuffix))
                    {
                        var typeParams = (Type[])suffixes[i + 1].Accept(this);
                        suffixes.RemoveRange(0, i + 2);
                        return Context.LoadTypeFromName(id, typeParams);
                    }

                    if (Context.IsClrType(id))
                    {
                        suffixes.RemoveRange(0, i + 1);
                        return Context.LoadTypeFromName(id);
                    }
                }

                if (id.IndexOf('.') >= 0)
                    id = id.Substring(0, id.IndexOf('.'));
                throw ErrorFactory.CreateNotDefinedError(id);
            }
            return memberExp.Accept(this);
        }