/// <summary>
        ///
        /// </summary>
        /// <param name="type"></param>
        /// <returns></returns>
        public static ScriptInterpreter LoadScriptInterpreter0(string type, object self, ScriptInterpreter parent)
        {
            var Interpreters = ScriptManager.Interpreters;

            lock (Interpreters)
            {
                var ret = UsedCSharpScriptDefinedType(self, type);
                if (ret != null)
                {
                    return(ret);
                }
                ScriptInterpreter typed = null;
                foreach (ScriptInterpreter set in Interpreters)
                {
                    if (set.LoadsFileType(type))
                    {
                        typed = set;
                        if (self != null)
                        {
                            if (typed.IsSelf(self))
                            {
                                return(set);
                            }
                        }
                    }
                }
                if (typed != null)
                {
                    return(typed.newInterpreter(self));
                }
                ScanPredfinedAssemblies();
                InstanceNewInterpTypes(self);
                return(FindOrCreate(type, self, parent));

                //default
                var dl = new DotLispInterpreter();
                dl.Self = self;
                return(dl);
            } // method: LoadScriptInterpreter
        }