[squeak-dev] How does the VM deal with method dictionaries?
Thiede, Christoph
Christoph.Thiede at student.hpi.uni-potsdam.de
Mon Feb 24 13:14:38 UTC 2020
Hi all,
one curious question:
c := Object newSubclass.
c compile: 'foo ^#foo'.
c methodDict: (ObjectTracer on: c methodDict).
c flushCache.
o := c new.
o foo.
I would have expected to get a notification from the ObjectTracer when executing the last line, because somehow the execution machinery must resolve the method to be executed. But actually, what I get is an MNU (Object1 >> #foo).
For comparison: If I skip the ObjectTracer line, the example works and #foo is returned.
Can anyone explain this? :-)
Best,
Christoph
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