2007/7/31, Andreas Raab <andreas.raab at gmx.de>:
> Symbol allSymbols is the correct idiom to use. Symbol allSubInstances is
> overkill and very slow.

How would you come up with a test that exploits the Symbol
allInstances issue? It guess it involves the creation of a Symbol that
is referenced by noone (including the code that creates it) and them
filing it out in an ImageSegment and filing it in again.

Cheers
Philippe

> Cheers,
>    - Andreas
>
> nicolas cellier wrote:
> > Philippe Marschall <philippe.marschall <at> gmail.com> writes:
> >
> >> Browsing through a 3.9 image I found three senders of Symbol
> >> allInstances which store the result in a temp during image segment
> >> export:
> >> ImageSegment >> #copySmartRootsExport:
> >> CodeLoader >> #exportCodeSegment:classes:keepSource:
> >> SystemDictionary >> #writeImageSegmentsFrom:withKernel:
> >> Is this a problem?
> >>
> >> Cheers
> >> Philippe
> >>
> >
> > Yes, Symbol is now an abstract class.
> > Symbol allInstances size = 0.
> > There are only ByteSymbol or WideSymbol in the image.
> > If goal is to create strong pointers as mentionned in comment, then Symbol
> > allSubInstances would be better.
> >
> > Nicolas
> >
> >
> >
>
>
>