private object Install(object target, ILookupHost host)
{
ILookupThunk t = ((IKeywordLookup)target).getLookupThunk(_k);
if (t != null)
{
host.swapThunk(_n, t);
return t.get(target);
}
host.swapThunk(_n, CreateThunk(target.GetType()));
return ((ILookup)target).valAt(_k);
}
public object fault(object target, ILookupHost host)
{
if (target is IKeywordLookup)
return Install(target, host);
else if (target is ILookup)
{
host.swapThunk(_n, CreateThunk(target.GetType()));
return ((ILookup)target).valAt(_k);
}
host.swapThunk(_n, this);
return RT.get(target, _k);
}