Example #1
0
        public override IObject Construct(IEnvironment environment, IArgs args)
        {
            var array = new NArray(Environment);

            array.Initialize();
            if (args.Count != 1)
            {
                // 15.4.2.1 new Array ( [ item0 [ , item1 [ , … ] ] ] )

                array.DefineOwnProperty("length", Environment.CreateDataDescriptor(Environment.CreateNumber(args.Count), true, false, false), false);
                for (int i = 0; i < args.Count; i++)
                {
                    array.DefineOwnProperty(i.ToString(), Environment.CreateDataDescriptor(args[i], true, true, true), false);
                }
            }
            else
            {
                // 15.4.2.2 new Array (len)

                var arg0 = args[0];
                if (arg0.TypeCode != LanguageTypeCode.Number)
                {
                    array.DefineOwnProperty("length", Environment.CreateDataDescriptor(Environment.CreateNumber(1.0), true, false, false), false);
                    array.DefineOwnProperty("0", Environment.CreateDataDescriptor(arg0, true, true, true), false);
                }
                else
                {
                    var len    = ((INumber)arg0).BaseValue;
                    var uint32 = arg0.ConvertToUInt32().BaseValue;
                    if (len != uint32)
                    {
                        throw Environment.CreateRangeError("The supplied length " + len + " does not fall into the unsigned 32-bit integer range.");
                    }
                    array.DefineOwnProperty("length", Environment.CreateDataDescriptor(arg0, true, false, false), false);
                }
            }

            return(array);
        }
Example #2
0
        public override IObject Construct(IEnvironment environment, IArgs args)
        {
            var array = new NArray(Environment);
            array.Initialize();
            if (args.Count != 1)
            {
                // 15.4.2.1 new Array ( [ item0 [ , item1 [ , … ] ] ] )

                array.DefineOwnProperty("length", Environment.CreateDataDescriptor(Environment.CreateNumber(args.Count), true, false, false), false);
                for (int i = 0; i < args.Count; i++)
                {
                    array.DefineOwnProperty(i.ToString(), Environment.CreateDataDescriptor(args[i], true, true, true), false);
                }
            }
            else
            {
                // 15.4.2.2 new Array (len)

                var arg0 = args[0];
                if (arg0.TypeCode != LanguageTypeCode.Number)
                {
                    array.DefineOwnProperty("length", Environment.CreateDataDescriptor(Environment.CreateNumber(1.0), true, false, false), false);
                    array.DefineOwnProperty("0", Environment.CreateDataDescriptor(arg0, true, true, true), false);
                }
                else
                {
                    var len = ((INumber)arg0).BaseValue;
                    var uint32 = arg0.ConvertToUInt32().BaseValue;
                    if (len != uint32)
                    {
                        throw Environment.CreateRangeError("The supplied length " + len + " does not fall into the unsigned 32-bit integer range.");
                    }
                    array.DefineOwnProperty("length", Environment.CreateDataDescriptor(arg0, true, false, false), false);
                }
            }

            return array;
        }