private EcmaValue Reverse(EcmaHeadObject obj, EcmaValue[] arg)
{
uint length = obj.Get("length").ToUint32(state);
uint mid = (uint)Math.Floor((double)length / 2);
uint k = 0;
while (k != mid)
{
uint l = length - k - 1;
if (obj.HasProperty(k.ToString()))
{
if (obj.HasProperty(l.ToString()))
{
EcmaValue a = obj.Get(k.ToString());
obj.Put(k.ToString(), obj.Get(l.ToString()));
obj.Put(l.ToString(), a);
}
else
{
obj.Put(l.ToString(), obj.Get(k.ToString()));
obj.Delete(k.ToString());
}
}
else
{
if (obj.HasProperty(l.ToString()))
{
obj.Put(k.ToString(), obj.Get(l.ToString()));
obj.Delete(l.ToString());
}
else
{
obj.Delete(l.ToString());
obj.Delete(k.ToString());
}
}
k++;
}
return(EcmaValue.Object(obj));
}
private static EcmaValue[] GetArguments(EcmaState state, EcmaHeadObject owner, ExpresionData[] args)
{
int length = owner.HasProperty("length") ? owner.Get("length").ToInt32(state) : 0;
int i = 0;
EcmaValue[] a = new EcmaValue[Math.Max(args.Length, length)];
for (; i < args.Length; i++)
{
a[i] = Reference.GetValue(EvulateExpresion(state, args[i]));
}
for (; i < length; i++)
{
a[i] = EcmaValue.Undefined();
}
return(a);
}
