Hi Edward, Le 19/11/2015 13:50, Edouard Delbar a écrit : > Hello everyone, > > I'm new on this mailing list, this is my first mail :-) > > I'm a student from University of Lille (France). I'm studying this > tutorial (I'm using Pharo 4 but it seems not to be a > problem): http://sdmeta.gforge.inria.fr/Teaching/ObjVLisp/ObjV.pillar.pdf. > I'm working with the "ObjVLispSkeleton-StephaneDucasse.1" image loaded > from this repository: >
I did ObjVLisp on Pharo4. There is some problems in the PDF but this is the right version of Pharo. > MCSmalltalkhubRepository > owner: 'StephaneDucasse' > project: 'ObjVLispSkeleton' > user: '' > password: '' > > > I'm stuck at "Method Lookup" p11. First, it seems that unit tests > "testNilWhenErrorInLookup" and "testRaisesErrorSendWhenErrorInLookup" > are not provided, thus I'm not sure that I'm working with the right > image (everything was fine until p11 though). Then, the "lookup: > selector" is not provided neither. While there is another method named > "lookup: selector from: anObjObject", I can't figure out what I'm > supposed to do with the second parameter. Here is what I would do: > I remember that some tests was missing and that I had some problems with this method too. > lookup: selector > "look for the method named <selector> starting in the receiver. > The lookup is done for a message sent to <anObjObject>. self is an > objClass" > ^ self objMethodDict > at: selector > ifAbsent: [ self objSuperclassId ifNotNil: [ self objSuperclass > lookup: selector ] ] > > > Could someone tell me if this implementation is correct? If it's > correct, what do you think the second parameter is for? > This implementation is correct in my opinion. I did the same. I think the second parameter is an error if this tutorial. > Moreover, do you think I'm working with the right image? > Yes you are. > Thanks. > > - Edouard -- Cyril Ferlicot http://www.synectique.eu 165 Avenue Bretagne Lille 59000 France
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