[Cuis-dev] How to stop exception triggering code in its tracks?

[rabbit]

On Mon, Mar 13, 2023 at 18:56, Juan Vuletich via Cuis-dev <cuis-dev at lists.cuis.st> wrote:

> Anyway, just pushed an update that prevents a morph becoming its own submorph.

Is this the beginnings of a Russell’s Paradox demonstration? I’m excited! Does the World only contain Morphs that do not include themselves as subs, such that it must include itself? 🤗

> Cheers,

🐰

>> On Mon, Mar 13, 2023 at 4:20 PM Juan Vuletich <juan at cuis.st> wrote:
>>
>>> On 3/13/2023 1:23 PM, Alexandre Rousseau via Cuis-dev wrote:
>>>> I accidentally introduced a bug in my class instance initialization
>>>> code (adding a submorph to itself). When instantiating my class, the
>>>> debugger appeared but seemed impossible to interact with while the
>>>> task bar rapidly filled up with more such debugger representations.
>>>>
>>>> Unable to deal with this, I killed my cuis environment, losing 30
>>>> minutes of work.
>>>>
>>>> What do you do when faced with runaway exceptions? Is there some
>>>> keyboard action once can perform to stop the execution of it?
>>>
>>> It depends on where the exception is raised. If it is in #drawOn:, we
>>> already have a recovery mechanism. In some other cases, cmd-. (the
>>> interrupt key) let's you recover control. But the whole system is
>>> implemented in Smalltalk. There will always be ways to break code in a
>>> way that you can't get to a working UI again. As rabbit already said,
>>> that's why there are several files where your code is logged, so you can
>>> recover it.
>>>
>>> HTH,
>>>
>>> --
>>> Juan Vuletich
>>> cuis.st
>>> github.com/jvuletich
>>> researchgate.net/profile/Juan-Vuletich
>>> independent.academia.edu/JuanVuletich
>>> patents.justia.com/inventor/juan-manuel-vuletich
>>> linkedin.com/in/juan-vuletich-75611b3
>>> twitter.com/JuanVuletich
>
> --
> Juan Vuletich
> cuis.st
> github.com/jvuletich
> researchgate.net/profile/Juan-Vuletich
> independent.academia.edu/JuanVuletich
> patents.justia.com/inventor/juan-manuel-vuletich
> linkedin.com/in/juan-vuletich-75611b3
> twitter.com/JuanVuletich
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