public virtual void Delete(string index)
{
Descriptor d = null;
if (TryGetDescriptor(index, out d))
{
if (d.Configurable)
{
properties.Delete(index);
m_length--;
}
else
{
throw new JintException("Property " + index + " isn't configurable");
}
}
}
public void Delete(string name)
{
bag.Delete(name);
if (lastAccessed != null && lastAccessed.Name == name)
{
lastAccessed = null;
}
}
public void Delete(string index)
{
Descriptor d = null;
if (TryGetDescriptor(index, out d))
{
if (d.Configurable)
{
//d.Delete();
properties.Delete(index);
if (length > -1)
{
length--;
}
}
else
{
throw new JintException();
}
}
}
public virtual Descriptor GetDescriptor(string index)
{
Descriptor result;
if (properties.TryGet(index, out result))
{
if (!result.isDeleted)
{
return(result);
}
else
{
properties.Delete(index); // remove from cache
}
}
// 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);
}