I don't think that's a good idea. If you print so many stack frames,
then the emergency evaluator is out of screen.

Lukas

2009/12/29 Mariano Martinez Peck <marianopeck@gmail.com>:
>
>

> On Tue, Dec 29, 2009 at 6:13 PM, Lukas Renggli <renggli@gmail.com> wrote:
>>
>> > lead to ugly side effects in loading specific packages.� Details aside,
>> > it
>> > seems _really_ bad to me for the vm to crash without leaving behind any
>> > traces of what happened.
>>
>> This is not a VM that crashes. In fact everything is still fully
>> functional and running. What Mariano is seeing is the emergency
>> debugger, a very primitive debugger implemented in
>> MorphicUIManager>>onPrimitiveError: used when everything else fails.
>>
>
> Thanks Lukas for the explanation. Every day I learn something new :)
>
> Now I was wondering if we can change the onPrimitiveError:� to something
> like this:
>
>
> onPrimitiveError: aString
>
>
>
> ��� ��� ��� ��� ��� ��� ��� ���� | context |
>
>
>
>
> ��� (String
> ��� ��� streamContents:
> ��� ��� ��� [:s |
> ��� ��� ��� s nextPutAll: '***System error handling failed***'.
> ��� ��� ��� s cr; nextPutAll: aString.
> ��� ��� ��� context := thisContext sender sender.
> ��� ��� ��� 200 timesRepeat: [context == nil ifFalse: [s cr; print: (context
> := context sender)]].
> ��� ��� ��� s cr; nextPutAll: '-------------------------------'.
> ��� ��� ��� s cr; nextPutAll: 'Type CR to enter an emergency evaluator.'.
> ��� ��� ��� s cr; nextPutAll: 'Type any other character to restart.'])
> ��� ��� displayAt: 10 @ 0.
> ��� [Sensor keyboardPressed] whileFalse.
> ��� Sensor keyboard = Character cr ifTrue: [Transcripter
> emergencyEvaluator].
>
> ��� World install "init hands and redisplay"
>
>
>
> I just changed to 200 timesRepeat instead of 20 so that to have the full
> stack, or at least, more than 20 lines and also the point of �� displayAt:
> 10 @ 0.�� because in my case I couldn't see the first letters of the
> windows.
>
> If you are ok, I can put a slice in the inbox and create the issue.
>
> Thanks
>
> Mariano
>
>
>>
>> Lukas
>>
>> --
>> Lukas Renggli
>> http://www.lukas-renggli.ch
>>
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>
>
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--

Lukas Renggli
http://www.lukas-renggli.ch

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