W dniu 16 listopada 2010 01:14 użytkownik Ted Kremenek <[email protected]>napisał:
> > On Nov 15, 2010, at 3:52 PM, Marcin Świderski wrote: > > W dniu 16 listopada 2010 00:44 użytkownik Ted Kremenek <[email protected] > > napisał: > >> Hi Marcin, >> >> What is this memory region used for? There are no comments above the >> declaration of this class, so I'm having difficulty interpreting its >> intended use. >> >> On Nov 15, 2010, at 3:42 PM, Marcin Świderski wrote: >> >> > Patch adds new MemRegion subclass CXXDummyThisObjectRegion, which is >> used to initialize CXXThisRegion value for initial stack frame. >> > >> > Please aprove for commit. >> > >> > -Marcin >> > <gr-eng-cxx-dummy-this-obj.patch> >> >> Hi Ted > > In general it's used for identifing object pointed with 'this' in analyzed > method. I use it for checking in ctor/dtor if method is called on 'this'. I > can write some comment for it before commiting. > > > Why not use a symbolic region for the value of 'this'? Why do we need a > new type of memory region? We can just have RegionStore::Retrieve() map > from 'this' to a SymbolicRegion (or one wrapped with an ElementRegion that > adds the typing information). > I couldn't think of any other solution that wouldn't involve tricks. But creating ElementRegion could do just fine. Will it be fine to create it directly in UnknownSpaceRegion?
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