[squeak-dev] Etoys help needed loading e.g. CarAndPen.014.pr (was: Changeset: Eliminating global state from Morphic)

Vanessa Freudenberg vanessa at codefrau.net
Wed Sep 16 20:26:32 UTC 2020


See page 41 "The Origin of Smalltalk SymbolTables" in Dan's Smalltalk
Evolution paper:

https://smalltalkzoo.computerhistory.org/papers/EvolutionOfSmalltalk.pdf

There's likely others but this one I remembered ;)

Vanessa

On Wed, Sep 16, 2020 at 4:35 AM Thiede, Christoph <
Christoph.Thiede at student.hpi.uni-potsdam.de> wrote:

> Hi Vanessa,
>
>
> > Wouldn't the binding still live in Undeclared?
>
> <http://www.hpi.de/>
> Are there any pointers to the concept of Undeclared? It seems to be a weak
> dictionary, so this does not look like a durable compatibility solution to
> me.
>
> Best,
> Christoph
> ------------------------------
> *Von:* Squeak-dev <squeak-dev-bounces at lists.squeakfoundation.org> im
> Auftrag von Vanessa Freudenberg <vanessa at codefrau.net>
> *Gesendet:* Montag, 14. September 2020 23:30:59
> *An:* The general-purpose Squeak developers list
> *Betreff:* Re: [squeak-dev] Etoys help needed loading e.g.
> CarAndPen.014.pr (was: Changeset: Eliminating global state from Morphic)
>
> On Mon, Sep 14, 2020 at 1:29 PM David T. Lewis <lewis at mail.msen.com>
> wrote:
>
>> Karl,
>>
>> Thank you very much!
>>
>
> Indeed, great sleuthing!
>
> Clearly we have introduced a bug in trunk since the 5.3 release, so
>> we'll need to fix that.
>>
>> But to my original question - I was able to start with a fresh 5.3
>> image, and I can load CarAndPen.014.pr without problems.
>>
>> Then I removed the #World binding, and tried loading CarAndPen.014.pr
>> to find out what the errors would look like.
>>
>> Big surprise - There was no error. The project still loads and runs
>> as before. That is not what I expected, so I'm glad we checked.
>>
>> Dave
>>
>
> Wouldn't the binding still live in Undeclared?
>
> - Vanessa -
>
>
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