Implementing a Smalltalk debugger with JSR292

[Mark Roos]

Hi Rémi

Thanks for the comments.  I like the idea of using switchPoints and have 
been thinking about them both
for this and for the general purpose of method invalidation.  Right now I 
keep a list of all callsites and
when necessary I dump them all.  I thought of replacing this with a 
switchpoint but then I lose the
ability to selectively invalidate ( by selector usually ) unless I have a 
switchpoint per selector. 

I have some experiments planned to compare the approaches. 

thanks
mark
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