예제 #1
0
        public static ErrorConstructor CreateErrorConstructor(Engine engine, string name)
        {
            var obj = new ErrorConstructor(engine);

            obj.Extensible = true;
            obj._name      = name;

            // The value of the [[Prototype]] internal property of the Error constructor is the Function prototype object (15.11.3)
            obj.Prototype       = engine.Function.PrototypeObject;
            obj.PrototypeObject = ErrorPrototype.CreatePrototypeObject(engine, obj, name);

            obj.FastAddProperty("length", 1, false, false, false);

            // The initial value of Error.prototype is the Error prototype object
            obj.FastAddProperty("prototype", obj.PrototypeObject, false, false, false);

            return(obj);
        }
        public static ErrorPrototype CreatePrototypeObject(Engine engine, ErrorConstructor errorConstructor, string name)
        {
            var obj = new ErrorPrototype(engine, name)
            {
                Extensible = true
            };

            obj.FastAddProperty("constructor", errorConstructor, true, false, true);
            obj.FastAddProperty("message", "", true, false, true);

            if (name != "Error")
            {
                obj.Prototype = engine.Error.PrototypeObject;
            }
            else
            {
                obj.Prototype = engine.Object.PrototypeObject;
            }

            return(obj);
        }