On Tue, Apr 2, 2013 at 6:59 AM, Frank Shearar <frank.shearar at gmail.com>wrote:

> On 2 April 2013 14:56,  <commits at source.squeak.org> wrote:
> > Frank Shearar uploaded a new version of Environments to project The
> Trunk:
> > http://source.squeak.org/trunk/Environments-fbs.21.mcz
> >
> > ==================== Summary ====================
> >
> > Name: Environments-fbs.21
> > Author: fbs
> > Time: 2 April 2013, 2:56:27.995 pm
> > UUID: a2afb389-193a-44a7-8664-559a4177936c
> > Ancestors: Environments-cwp.20
> >
> > When a class removes itself from the system, we need to forget about the
> class... including our reference to it in our list of bindings.
> >
> > =============== Diff against Environments-cwp.20 ===============
> >
> > Item was changed:
> >   ----- Method: Environment>>forgetClass:logged: (in category 'classes
> and traits') -----
> >   forgetClass: aClass logged: aBool
> >         aBool ifTrue:
> >                 [SystemChangeNotifier uniqueInstance
> >                         classRemoved: aClass fromCategory: aClass
> category].
> >         self organization removeElement: aClass name.
> >         Smalltalk removeFromStartUpList: aClass.
> >         Smalltalk removeFromShutDownList: aClass.
> >         contents removeKey: aClass name ifAbsent: [].
> > +       bindings removeKey: aClass name ifAbsent: [].!
> > -       !
>
> This, I think, it the necessary fix. It looks right, I can now unload
> XML-Parser and see that there are no bindings hanging around (so
> "PointerFinder on: XMLWriter" correctly says "ain't no such class").
> But... Colin, what do you think?
>

Frank, Colin, what about the case of non-classes.  e.g. an Alias is created
to a binding in Smalltalk, say #Foo, and then #Foo is removed from
Smalltalk.  I guess the aliases to #Foo need to get moved to the relevant
undeclared when that happens right?


> frank
>
>


-- 
best,
Eliot
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