cool!

Stef

On May 24, 2010, at 8:04 AM, Carla F. Griggio wrote:

> Well, just to let you know, I've submitted a fix to PharoInbox:
> 
> Name: SLICE-superBugInParagraphEditor-carlaGriggio.1
> Author: carlaGriggio
> Time: 24 May 2010, 2:33:50 am
> UUID: 94ff9a49-b4ba-488b-9470-777e0f1885a7
> Ancestors: SLICE-superBugInParagraphEditor-carlaGriggio.1
> Dependencies: Compiler-carlaGriggio.212, CompilerTests-carlaGriggio.42, 
> Kernel-carlaGriggio.665, ParagraphEditor-Test-carlaGriggio.1
> 
> But I can't change the status of the issue to fixed :P
> 
> On Wed, May 19, 2010 at 4:51 PM, Carla F. Griggio <[email protected]> 
> wrote:
> Not the cs, I have an st. It's in the first email of this thread. I also 
> attached a cs with a possible fix.
> 
> 
> 
> On Wed, May 19, 2010 at 4:35 PM, Stéphane Ducasse <[email protected]> 
> wrote:
> Yes this is an important bug
> do you have the cs of your little example?
> 
> Stef
> 
> On May 19, 2010, at 9:17 PM, Carla F. Griggio wrote:
> 
> > Just reproducing it would be helpful :O a friend of mine already
> > tested the code I attatched and saw the same problem.
> >
> > If you recall having a class with a method sending a message to super,
> > and a sublclass inheriting that method, you can try to reproduce it
> > there too debugging that message on an instance of the subclass.
> >
> > It's not easy to explain with words, that's why I made a little
> > package of code to illustrate the situation.
> >
> > The thing is that when printing the evaluation of a selected bunch of
> > code inside a debugger window (paragraphEditor?), if the code you're
> > evaluating is a message to super, and the class of the object you're
> > debugging is inheriting the method you're debugging, the printed
> > result will be wrong. In other words, the method lookup fails.
> >
> > This doesn't happen with normal excution of code (thank God!).
> >
> > I think this is an important bug, seeing those wrong results when
> > debugging can be very confusing. I spent hours feeling stupid last
> > Monday while debugging because I trusted those wrong results and
> > couldn't see where I was doing something wrong :P
> >
> > Cheers!
> > Carla
> >
> > On Wednesday, May 19, 2010, Mariano Martinez Peck <[email protected]> 
> > wrote:
> >> Hi Carla. I would like to help you, but I have no idea. I could reproduce 
> >> it.
> >>
> >> Maybe Lukas, Igor, Eliot etc can help you. I have no idea.
> >>
> >> Cheers
> >>
> >> Mariano
> >>
> >> 2010/5/18 Carla F. Griggio <[email protected]>
> >> Hi everybody!
> >> Well, maybe you are already aware of this... maybe not. I tried to find an 
> >> issue about this and unless I didn't think of the right keywords, it's not 
> >> there.
> >>
> >>
> >>
> >> I was debugging a template method and sudenly I found myself spending ours 
> >> trying to find out why I got different results when printing the result of 
> >> a message sent to super and when steping into that message and printing 
> >> the (same) result there.
> >>
> >>
> >>
> >> Imagine this simple situation (I attatch the complete code and some tests 
> >> so you can reproduce this):
> >> AverageTotalization inherits from Totalization.WeightedAverageTotalization 
> >> inherits from AverageTotalization.
> >>
> >>
> >>
> >> Totalization>>total
> >>
> >>      ^self summatory
> >>
> >>
> >>
> >>
> >>
> >> AverageTotalization>>total
> >>
> >>         ^(super total) / self denominator
> >>
> >>
> >>
> >>
> >>
> >> AverageTotalization>> denominator
> >>
> >>         ^values size
> >>
> >>
> >>
> >>
> >> WeightedAverageTotalization>> denominator
> >>
> >> "Weights is a dictionary"
> >>
> >>      ^self weights values sum
> >>
> >>
> >>
> >>
> >> If I debug aWeightedAverateTotalization total  and try to print super 
> >> total in the debugger ParagraphEditor, I'll get this result:
> >>
> >>
> >>
> >> (self summatory / self denominator)
> >>
> >>
> >> instead of just:
> >> self summatory
> >> This only happens when I print or inspect or other do-its in the debugger 
> >> window. The method lookup works OK when just 
> >> _______________________________________________
> >> Pharo-project mailing list
> >> [email protected]
> >> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
> >>
> >>
> >
> > _______________________________________________
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> > [email protected]
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> 
> 
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