[Issue 3463] Integrate Precise Heap Scanning Into the GC

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http://d.puremagic.com/issues/show_bug.cgi?id=3463



--- Comment #103 from Andrei Alexandrescu <andrei at metalanguage.com> 2011-04-14 15:08:15 PDT ---
(In reply to comment #102)
> (In reply to comment #100)
> > (In reply to comment #99)
> > > (In reply to comment #98)
> > > > The work on improving introspection should be done anyway.
> > > 
> > > The trouble with using runtime introspection for this is it'll be slow, and the
> > > scanning of data needs to be really fast.
> > I understand. That still means (and please correct me if I'm wrong) that the
> > right place for specialized code should be at TypeInfo level. Also, I wonder if
> > there's a need for a DSL. Wouldn't automatically-generated Typeinfo methods
> > suffice?
> 
> I don't really understand your comment. Are you saying the TypeInfo should do
> introspection at runtime to generate specialized data tables for the gc
> (obviously caching it so it is done only once per type)? This is certainly a
> possible approach.

I was thinking that the compiler could generate D code that does the scanning
instead of us defining a DSL for that.

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