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From: Ted Dennison <dennison@telepath.com>
Subject: Re: Claw & Re: ANNOUNCEMENT - GNAT 3.13p availability
Date: 2000/08/14
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In article <x7vem3rwssz.fsf@pogner.demon.co.uk>,
  Simon Wright <simon@pogner.demon.co.uk> wrote:
> Ted Dennison <dennison@telepath.com> writes:
>
> > In article <ZPFk5.94902$i5.1405866@news1.frmt1.sfba.home.com>,
> >   tmoran@bix.com wrote:
> > > Gnat 3.13p has difficulty when a public primitive is overridden in
> > > a private part.  From the Claw mailing list:
> > >
> > > >The recently released GNAT 3.13p contains an inheritance bug
which
> > > >prevents the successful compilation of Claw (all versions). The
> >
> > It turns out that OpenToken 2.0 and earlier suffer from this same
> > problem. I'm curious if it really is a gnat bug though. I could see
> > someone making a case that since the caller's view of the routine in
> > question is still abstract, only dynamicly dispatching calls are
legal.
>
> I wonder whether my article <x7v4s5af41m.fsf@pogner.demon.co.uk>
> refers to the same problem? Seems to be in the same ballpark, but that
> covers a lot of ground ..

Do you mean the message titled "Delegating operations to parent (generic
formal type)" Dated 07/13/2000?

That apppears to be nearly the opposite problem. There Gnat (3.12 and
3.13) is accepting code other compilers aren't. I can't help with
Apex. But given my experience the last couple of years getting another
intermetrics-driven compiler to accept the Booch components, I
definitely wouldn't trust that ancient version of ObjectAda.

Thanks, btw. Whenever I think I've made the inter-relationships between
my types and packages in OpenToken too complex, I can always count on a
jaunt through Booch to cheer me up. :-)


--
T.E.D.

http://www.telepath.com/~dennison/Ted/TED.html


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