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From: "REH" <spamjunk@stny.rr.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada to C++ translator
Date: 26 Jan 2006 10:29:19 -0800
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Martin Krischik wrote:
> Florian Weimer wrote:
>
> > * Randy Brukardt:
> >
> >> "Florian Weimer" <fw@deneb.enyo.de> wrote in message
> >> news:877j8oow1r.fsf@mid.deneb.enyo.de...
> >> ...
> >>> It's an abort-deferred operation (like assignment, which I should have
> >>> mentioned as well).
> >>
> >> That's expensive how? Abort-deferral is (or should be) just toggling a
> >> bit in the TCB.
> >
> > You need to find the TCB first, and you need to check for abortion
> > once deferral has ended.  Especially the first part probably prevents
> > inlining on some POSIX platforms.
>
> Well any good destructor in virtual anyway - and as such not to be inlined.
> Yes C++ supports virtual inline - but virtual inline make linking an
> interesting experience.
>
> Please no toy programs to prove me wrong! I am talking dozens of DLLs,
> hundreds of modules, thousends of functions and then:
>
> Linker Error: Function _v_Whatever_Wherever_fg7IStringiil not found.
>
> or worse:
>
> Linker Error: Duplicate Function _v_Whatever_Wherever_fg7IStringiil
>
> Martin
> --
> mailto://krischik@users.sourceforge.net
> Ada programming at: http://ada.krischik.com

I don't think your wrong.  Linker errors can be frustating, especially
with large projects.  I disagree, though, that all "good" destructors
are necessarily virtual.  None of the destructors for standard
containers are virtual, nor do I think they need to be.  Not all
classes need to be polymorphic.