Indeed. So, is this a good candidate for more cleaning? If yes, I add an entry in the wiki and I work on it now.
Alexandre On 11 Aug 2009, at 10:40, Henrik Johansen wrote: > Sounds a lot to me like something that could be a leftover from Etoys, > f.ex. used to support auto-numbered, auto-generated morphs by a user, > but avoid saving them to disk etc.´... > > Cheers, > Henry > > On Aug 11, 2009, at 4:04 01PM, Alexandre Bergel wrote: > >> Dear List members, >> >> The following method is defined in Class: >> -=-=-=-=-=-=-=-=-= >> Class>>isSystemDefined >> "Answer true if the receiver is a system-defined class, and not a >> UniClass (an instance-specific lightweight class)" >> >> ^ self == self officialClass >> -=-=-=-=-=-=-=-=-= >> >> isSystemDefined is sent a number of times. Especially by streams. I >> guess that this determines what should be serialized what should not. >> >> However, #officialClass has only two implementers: >> >> -=-=-=-=-=-=-=-=-= >> Class>>officialClass >> "I am not a UniClass. (See Player officialClass). Return the class >> you use to make new subclasses." >> >> ^ self >> -=-=-=-=-=-=-=-=-= >> >> And slightly more surprising: >> >> -=-=-=-=-=-=-=-=-= >> MorphicModel>>officialClass >> "We want to make a new instance of the receiver, which is a subclass >> of MorphicModel. Answer who to make a new subclass of. Also used to >> tell if a given class is a UniClass, existing only for its single >> instance." >> >> ^ self name last isDigit ifTrue: [MorphicModel] ifFalse: [self] >> "MorphicModel7 can not have subclasses, but Slider and >> SystemWindow >> may" >> -=-=-=-=-=-=-=-=-= >> >> There is a very strong smell for cleaning here. Apparently, most of >> usage of #isSystemDefined could be replaced by #isBehavior >> >> Cheers, >> Alexandre >> -- >> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: >> Alexandre Bergel http://www.bergel.eu >> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. >> >> >> >> >> >> >> _______________________________________________ >> Pharo-project mailing list >> Pharo-project@lists.gforge.inria.fr >> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project >> > > > _______________________________________________ > Pharo-project mailing list > Pharo-project@lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project > -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. _______________________________________________ Pharo-project mailing list Pharo-project@lists.gforge.inria.fr http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
