public override void Init() { base.Init(); //add built-in methods, special form IIF, import Math and Environment methods BuiltIns.AddMethod(BuiltInPrintMethod, "print"); BuiltIns.AddMethod(BuiltInFormatMethod, "format"); BuiltIns.AddSpecialForm(SpecialFormsLibrary.Iif, "iif", 3, 3); BuiltIns.ImportStaticMembers(typeof(System.Math)); BuiltIns.ImportStaticMembers(typeof(Environment)); }