On Tue, Dec 29, 2009 at 6:54 PM, Lukas Renggli <[email protected]> wrote:

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

Yes, that's true :(
We cannot have vertical scroll ? I just ask with my total ignorance, but I
guess that not.


>
> Lukas
>
> 2009/12/29 Mariano Martinez Peck <[email protected]>:
> >
> >
> > On Tue, Dec 29, 2009 at 6:13 PM, Lukas Renggli <[email protected]>
> 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
> >>
> >> _______________________________________________
> >> Pharo-project mailing list
> >> [email protected]
> >> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
> >
> >
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> >
>
>
>
> --
> Lukas Renggli
> http://www.lukas-renggli.ch
>
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