public virtual Descriptor GetDescriptor(string index)
{
Descriptor result;
if (properties.TryGet(index, out result))
{
return(result);
}
// Prototype always a JsObject, (JsNull.Instance is also an object and next call will return null in case of null)
if ((result = Prototype.GetDescriptor(index)) != null)
{
properties.Put(index, result); // cache descriptior
}
return(result);
}
public virtual JsInstance this[string index]
{
get
{
Descriptor d = GetDescriptor(index);
return(d != null?d.Get(this) : JsUndefined.Instance);
}
set
{
Descriptor d = GetDescriptor(index);
if (d == null || (d.DescriptorType == DescriptorType.Value && d.Owner != this))
{
bool enumerable = index != PROTOTYPE;
if (index == PROTOTYPE)
{
prototypeDescriptor.Set(this, value);
}
else
{
if (d == null)
{
properties.Put(index, new ValueDescriptor(this, index, value)
{
Enumerable = enumerable
});
}
else
{
d.Set(this, value);
}
}
}
else
{
d.Set(this, value);
}
}
}
public Jint.Native.Descriptor Put(string name, Jint.Native.Descriptor descriptor)
{
bag.Put(name, descriptor);
return(lastAccessed = descriptor);
}