public override object Call(IObj that, object[] args)
{
var len = JsTypeConverter.ToNumber(that.Get("length"));
if (len == 0.0D)
{
that.SetOwnProperty("length", 0.0D);
return Undefined.Instance;
}
object shifted = that.Get(0.0D);
var d = 1.0D;
for (; d < len; ++d)
{
object val;
if (that.TryGet(d, out val))
{
that.SetOwnProperty(d - 1.0D, val);
that.Delete(d);
}
else
{
that.Delete(d - 1.0D);
}
}
that.SetOwnProperty("length", d - 1.0D);
return shifted;
}
public override object Call(IObj that, object[] args)
{
var len = JsTypeConverter.ToInt32(that.Get("length"));
if (len != 0)
{
var result = that.Get((double)len - 1);
that.Delete(len);
that.Put("length", (double)len - 1);
return result;
}
that.Put("length", (double)len);
return Undefined.Instance;
}
public override object Call(IObj that, object[] args)
{
var len = JsTypeConverter.ToNumber(that.Get("length"));
var vals = new List<object>();
object val;
for (var d = 0.0D; d < len; ++d)
{
if (that.TryGet(d, out val))
vals.Add(val);
}
if (!HasArgs(args))
{
vals.Sort((a, b) => {
var an = JsTypeConverter.ToNumber(JsTypeConverter.ToPrimitive(a));
var bn = JsTypeConverter.ToNumber(JsTypeConverter.ToPrimitive(b));
return (int)an - (int)bn;
});
}
else
{
var func = args[0] as IFunction;
vals.Sort((a, b) => (int)(double)func.Call(that, new[] { a, b }) );
}
for (var d = 0.0D; d < len; ++d)
{
if ((int)d < vals.Count)
{
that.SetOwnProperty(d, vals[(int)d]);
}
else
{
that.Delete(d);
}
}
return that;
}
public override object Call(IObj that, object[] args)
{
var len = JsTypeConverter.ToNumber(
that.Get("length")
);
var half = Math.Floor(len / 2);
var begin = 0.0D;
var end = 0.0D;
object beginValue;
object endValue;
bool hasBegin;
bool hasEnd;
while (true)
{
if (begin == half)
return that;
end = len - begin - 1;
hasBegin = that.TryGet(begin, out beginValue);
hasEnd = that.TryGet(end, out endValue);
if (!hasEnd)
{
if (!hasBegin)
{
that.Delete(begin);
that.Delete(end);
}
else
{
that.SetOwnProperty(end, beginValue);
that.Delete(begin);
}
}
else if (!hasBegin)
{
if (!hasEnd)
{
that.Delete(begin);
that.Delete(end);
}
else
{
that.SetOwnProperty(begin, endValue);
that.Delete(end);
}
}
else
{
that.SetOwnProperty(begin, endValue);
that.SetOwnProperty(end, beginValue);
}
++begin;
}
}