You can build a VM and skip to the next bytecode ;)
http://forum.world.st/Fwd-Oops-I-put-a-halt-in-a-startup-method-td3800729.html

On Thu, Nov 8, 2012 at 10:30 PM, Sebastian Nozzi <[email protected]> wrote:
> Hey there Sebastian,
>
> I feel your pain. Unfortunately there seem to be *many* places / situations
> where "halting" is a very bad idea and renders your image unusable.
>
> That's why I think it would be a good idea to have a "list" of these places
> (in the documentation and in the Pharo "welcome" Workspace), and maybe the
> technical reasons behind them.
>
> Something that I did a couple (!!) of times until I learnt the lesson was to
> halt withing a Morph>>drawnOn:. If you do, then there goes your UI
> painting/event processing thread (solution: debug your Morph from outside,
> passing a NullCanvas).
>
> It was also possible for me, more than once, to "hang" the image beyond
> recovery (CMD-dot did not help) if "Delaying" ((Delay forMilliseconds: 200)
> wait) within the UI thread in an infinite recursion (by mistake).
>
> As for "rescuing it"... can the "recent changes" help you? In your case you
> would be directly reading the ".changes" file... Not really rescuing your
> image, but extracting and saving your work... (and migrating to a new
> image).
>
> This is very annoying, I know. Been there a couple of times (although with
> less serious work than yours). In my opinion something needs to change in
> this area. These are huge productivity losses, and I fear that many new
> users (*) would at this point turn their backs on Smalltalk never to look
> back again.
>
> Best regards,
>
> Sebastian N.
>
> (*) or senior developers evaluating the possibility to use Pharo in their
> companies.
>
>
>
> 2012/11/8 Sebastian Sastre <[email protected]>
>>
>> …I mean ever.
>>
>> Because you'll screw your image.
>>
>> Mostly when you also are on OS X but, for some crazy reason of the
>> Universe, your TimeMachine was not operating normally on your laptop while
>> coding.
>>
>> Aaaaand you weren't committing in the monticello repo because it was work
>> in progress and you were expecting to reach some goal.
>>
>> Ever.
>>
>> So…
>>
>> I'm in that situation with an image now :(
>>
>> I've the false good idea of putting a halt in an SomeApp class>>startUp:
>> method and now, when I open the image, it tries to, stays for about 2
>> seconds and crashes.
>>
>> Any of you guys have a workaround/hack to rescue it?
>>
>> sebastian
>>
>> o/
>>
>> PS: I've tried with startup.st with the code that removes that method but
>> no luck.
>>
>>
>>
>



-- 
Mariano
http://marianopeck.wordpress.com

Reply via email to