Esempio n. 1
0
        public static JsTypeFunction Define(string name, JsTypeFunction prototype)
        {
            JsTypeFunction typeFunction = null;

            // Create constructor function, which is a superconstructor that takes in the actual
            // constructor as the first argument, and the rest of the arguments are passed directly
            // to that constructor.  These subconstructors are not Javascript constructors -- they
            // are not called via new, they exist for initialization only.
            typeFunction = Jsni.function(constructor =>
            {
                if (constructor != null || !(Jsni.instanceof(Jsni.@this(), typeFunction)))
                {
                    Jsni.invoke(Jsni.member(typeFunction, SpecialNames.StaticInitializer));
                }
                if (constructor != null)
                {
                    Jsni.apply(constructor, Jsni.@this(), Jsni.call(Jsni.reference("Array.prototype.slice"), Jsni.arguments(), 1.As < JsObject > ()).As <JsArray>());
                }
                if (!Jsni.instanceof(Jsni.@this(), typeFunction))
                {
                    return(typeFunction);
                }
                else
                {
                    return(Jsni.@this());
                }
            }).As <JsTypeFunction>();
            Jsni.memberset(typeFunction, "toString", Jsni.function(() => name.As <JsObject>()));
            Jsni.memberset(typeFunction, SpecialNames.TypeName, name.As <JsString>());
            Jsni.memberset(typeFunction, "prototype", Jsni.@new(prototype));
            return(typeFunction);
        }
Esempio n. 2
0
        public static JsFunction CreateDelegate(JsObject thisExpression, JsFunction lambda, JsTypeFunction delegateType = null, string delegateKey = null)
        {
            delegateType = delegateType ?? Jsni.reference("System.Delegate").As <JsTypeFunction>();

            JsFunction delegateFunc = null;

            delegateFunc = Jsni.function(() =>
            {
                return(lambda.apply(delegateFunc.As <Delegate>().Target.As <JsObject>(), Jsni.arguments().As <JsArray>()));
            });
            delegateFunc.prototype = Jsni.@new(delegateType);
            delegateFunc.memberset("get_Target", Jsni.function(() => thisExpression));
            delegateFunc.memberset("GetType", Jsni.function(() => delegateType.GetTypeFromType.invoke()));
            Jsni.memberset(delegateFunc, SpecialNames.TypeField, delegateType);
            Jsni.memberset(delegateFunc, "Invoke", delegateFunc);
            Jsni.memberset(delegateFunc, "DynamicInvoke", Jsni.function(args => delegateFunc.apply(delegateFunc, args.As <JsArray>())));
            Jsni.memberset(delegateFunc, "GetHashCode", Jsni.function(() => lambda.toString().GetHashCode().As <JsObject>()));
            Jsni.memberset(delegateFunc, "lambda", lambda);
            Jsni.memberset(delegateFunc, "Equals", Jsni.function(x => x != null && lambda == x.member("lambda")));
            return(delegateFunc);
        }
Esempio n. 3
0
        public static JsFunction CreateDelegate(JsObject thisExpression, JsTypeFunction delegateType, JsFunction lambda, string delegateKey = null)
        {
            if (delegateKey != null)
            {
                if (thisExpression[delegateKey])
                {
                    return(thisExpression[delegateKey].As <JsFunction>());
                }
            }
            else
            {
                if (lambda.member("$delegate") != null)
                {
                    return(lambda.member("$delegate").As <JsFunction>());
                }
            }

            JsFunction delegateFunc = null;

            delegateFunc = Jsni.function(() =>
            {
                return(lambda.apply(delegateFunc.As <Delegate>().Target.As <JsObject>(), Jsni.arguments().As <JsArray>()));
            });
            delegateFunc.prototype = Jsni.@new(delegateType);
            Jsni.type <object>().TypeInitializer.invoke(delegateFunc, delegateFunc);
            Jsni.type <Delegate>().TypeInitializer.invoke(delegateFunc, delegateFunc);
            Jsni.type <MulticastDelegate>().TypeInitializer.invoke(delegateFunc, delegateFunc);
            delegateType.TypeInitializer.invoke(delegateFunc, delegateFunc);
            Jsni.invoke(Jsni.member(Jsni.member(Jsni.type <MulticastDelegate>().prototype, "$ctor"), "call"), delegateFunc, thisExpression, new[] { delegateFunc }.As <JsArray>());
            Jsni.memberset(delegateFunc, SpecialNames.TypeField, delegateType);
            if (delegateKey != null)
            {
                thisExpression[delegateKey] = delegateFunc;
            }
            else
            {
                lambda.memberset("$delegate", delegateFunc);
            }
            return(delegateFunc);
        }