Still about methodClass [was: Condensed Sources vs. Squeak
Klaus D. Witzel
klaus.witzel at cobss.com
Tue Jul 25 09:13:51 UTC 2006
On Tue, 25 Jul 2006 08:53:49 +0200, Andreas Raab wrote:
> Klaus D. Witzel wrote:
>> So can CompiledMethod (delegate) when asked the queries you mentioned.
>> It doesn't need to store anything else than Blue Book's methodClass for
>> obtaining these answers (by delegation).
> Not quite true. It is easy to see that in a situation like here:
> Object compile:'foo '.
> fooBlock := Object new foo.
> Object compile:'foo ^21'.
> you can't (without major modifications of classes) determine the
> properties of "fooBlock home" (say, for source retrieval).
This one (and recompiles while in debugger, fileIn's, another browser,
parallel to a forked process, etc) can easily be addressed by the new
ObsoleteCompiledMethods dictionary which I mentioned earlier. No major
change (no change at all :) to classes necessary, just a proper action
during aMethodDictionary xyzAt:ifAbsent:.
I could give more [boring] details if that's wanted.
> This is a relevant pattern as I've found in the past when dealing with
> changes to compiled methods - while not exactly common it is also not
> rare enough that it can be easily ignored.
Yes, neglection of these would have to be categorized under
> - Andreas
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