public void UpdateSubclasses()
{
int i = 0;
lock (subclasses) {
while (i < subclasses.Count)
{
if (subclasses[i].IsAlive)
{
object target = subclasses[i].Target;
if (target != null)
{
PythonType pt = target as PythonType;
System.Diagnostics.Debug.Assert(pt != null);
pt.UpdateFromBases();
pt.UpdateSubclasses();
i++;
}
else
{
subclasses.RemoveAt(i);
}
}
else
{
subclasses.RemoveAt(i);
}
}
}
}
