From: "Nick Roberts" <nickroberts@adaos.worldonline.co.uk>
Subject: Re: A case where Ada defaults to unsafe?
Date: Fri, 11 Jan 2002 20:32:57 -0000
Date: 2002-01-11T20:32:57+00:00 [thread overview]
Message-ID: <a1o2gt$sfe3f$2@ID-25716.news.dfncis.de> (raw)
In-Reply-To: wccn0zlu108.fsf@shell01.TheWorld.com
"Robert A Duff" <bobduff@shell01.TheWorld.com> wrote in message
news:wccn0zlu108.fsf@shell01.TheWorld.com...
> Preben Randhol <randhol+abuse@pvv.org> writes:
>
> > On Thu, 10 Jan 2002 20:47:56 GMT, Robert A Duff wrote:
> > > But replace "x + y < 4" with something that fails in some other way
(not
> > > overflow). Then Hyman Rosen's point is correct: the compiler has to
> > ^^^^^^^^^^^
> > But as I see it is not relevant if the compiler has to do this, the
> > issue is if the machine code has to do this or not.
>
> OK. The compiler has to generate machine code that has to ....
No, no, Bob! The compiler has to emit a program that, without the need for
any object code at all, completes in zero execution time, and always
produces the correct answer, regardless of whether the source code algorithm
was actually correct or not.
Oh, and it has to produce diagnostics based on the ability to read the human
mind.
:-)
--
Best,
Nick Roberts
next prev parent reply other threads:[~2002-01-11 20:32 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-05 12:47 A case where Ada defaults to unsafe? Gautier Write-only-address
2002-01-07 16:24 ` Ted Dennison
2002-01-07 18:17 ` FGD
2002-01-07 18:21 ` Hyman Rosen
2002-01-07 20:26 ` Matthew Woodcraft
2002-01-07 21:16 ` Hyman Rosen
2002-01-13 8:23 ` Hyman Rosen
2002-01-13 9:06 ` Preben Randhol
2002-01-13 10:41 ` Larry Kilgallen
2002-01-14 5:47 ` Hyman Rosen
2002-01-14 12:41 ` Georg Bauhaus
2002-01-13 18:21 ` Michal Nowak
2002-01-14 1:29 ` Ted Dennison
2002-01-14 14:36 ` Ted Dennison
2002-01-14 22:43 ` Michal Nowak
2002-01-10 20:47 ` Robert A Duff
2002-01-10 23:37 ` Preben Randhol
2002-01-11 1:31 ` Robert A Duff
2002-01-11 20:32 ` Nick Roberts [this message]
2002-01-11 16:47 ` Hyman Rosen
-- strict thread matches above, loose matches on Subject: below --
2002-01-07 16:45 Gautier Write-only-address
2002-01-07 19:33 ` Ted Dennison
2002-01-03 23:26 Gautier Write-only-address
2002-01-03 23:54 ` Larry Hazel
2002-01-04 14:33 ` Robert A Duff
2002-01-03 23:18 Gautier Write-only-address
2002-01-03 20:29 Hyman Rosen
2002-01-03 20:38 ` Darren New
2002-01-03 21:36 ` Hyman Rosen
2002-01-04 14:29 ` Wes Groleau
2002-01-03 21:27 ` James Rogers
2002-01-03 21:32 ` Frank J. Lhota
2002-01-03 21:51 ` Hyman Rosen
2002-01-03 22:22 ` Ted Dennison
2002-01-03 23:07 ` Hyman Rosen
2002-01-03 23:38 ` Nick Williams
2002-01-04 0:15 ` Florian Weimer
2002-01-04 7:40 ` Preben Randhol
2002-01-04 14:39 ` Wes Groleau
2002-01-04 15:16 ` Ted Dennison
2002-01-04 3:35 ` Eric Merritt
2002-01-04 14:39 ` Robert A Duff
2002-01-04 14:27 ` Robert A Duff
2002-01-04 15:39 ` Larry Kilgallen
2002-01-04 15:57 ` Ted Dennison
2002-01-04 16:05 ` Ted Dennison
2002-01-10 21:22 ` Robert A Duff
2002-01-11 9:14 ` Dmitry A. Kazakov
2002-01-04 16:19 ` Brian Rogoff
2002-01-04 16:31 ` Ted Dennison
2002-01-08 20:55 ` Mark Lundquist
2002-01-16 0:14 ` Matthew Heaney
2002-01-16 20:19 ` Robert A Duff
2002-01-10 21:29 ` Robert A Duff
2002-01-11 9:25 ` Dmitry A. Kazakov
2002-01-19 0:35 ` Brian Rogoff
2002-01-19 14:15 ` Robert A Duff
2002-01-19 23:10 ` Brian Rogoff
2002-01-04 16:29 ` Robert Dewar
2002-01-04 17:32 ` Hyman Rosen
2002-01-04 18:50 ` Matthew Heaney
2002-01-04 18:56 ` Darren New
2002-01-04 19:10 ` Hyman Rosen
2002-01-04 20:08 ` Matthew Heaney
2002-01-04 20:14 ` Ted Dennison
2002-01-04 20:20 ` Hyman Rosen
2002-01-04 21:16 ` Larry Kilgallen
2002-01-04 21:33 ` Ted Dennison
2002-01-07 15:39 ` Hyman Rosen
2002-01-07 16:06 ` Ted Dennison
2002-01-07 16:50 ` Larry Kilgallen
2002-01-07 17:18 ` Hyman Rosen
2002-01-07 17:26 ` Pat Rogers
2002-01-07 18:12 ` Hyman Rosen
2002-01-07 18:40 ` FGD
2002-01-07 20:04 ` Pat Rogers
2002-01-05 0:08 ` Nick Roberts
2002-01-05 10:57 ` Simon Wright
2002-01-08 23:27 ` Nick Roberts
2002-01-09 9:58 ` Stuart Palin
2002-01-09 11:11 ` Nick Roberts
2002-01-10 20:32 ` Robert A Duff
2002-01-11 9:45 ` Stuart Palin
2002-01-11 13:32 ` Robert A Duff
2002-01-14 13:14 ` Stuart Palin
2002-01-14 14:38 ` Preben Randhol
2002-01-16 6:00 ` Simon Wright
2002-01-17 3:04 ` David Starner
2002-01-17 15:08 ` Georg Bauhaus
2002-01-17 20:25 ` Simon Wright
2002-01-17 9:56 ` Stuart Palin
[not found] ` <3 <3C469FE6.B2C67ED6@baesystems.com>
2002-01-17 20:32 ` Simon Wright
2002-01-14 14:35 ` Preben Randhol
2002-01-14 16:36 ` Robert A Duff
2002-01-12 12:27 ` Simon Wright
2002-01-05 0:32 ` Robert Dewar
2002-01-14 16:09 ` Matthieu Moy
2002-01-20 8:59 ` Hyman Rosen
2002-01-20 19:13 ` Jim Rogers
2002-01-20 21:19 ` Ray Blaak
2002-01-03 22:07 ` Ted Dennison
2002-01-04 17:12 ` Preben Randhol
2002-01-04 17:21 ` Jean-Marc Bourguet
2002-01-04 18:54 ` Ted Dennison
2002-01-04 3:17 ` Larry Kilgallen
2002-01-04 8:27 ` Thierry Lelegard
2002-01-04 8:39 ` tmoran
2002-01-04 9:03 ` Thierry Lelegard
2002-01-04 14:43 ` Wes Groleau
2002-01-04 15:45 ` Ted Dennison
2002-01-04 16:37 ` Wes Groleau
2002-01-04 16:56 ` Ted Dennison
2002-01-04 11:51 ` Larry Kilgallen
2002-01-04 12:41 ` M. A. Alves
2002-01-04 15:42 ` Ted Dennison
2002-01-04 17:16 ` Hyman Rosen
2002-01-04 19:12 ` Ted Dennison
2002-01-04 23:36 ` Matthew Woodcraft
2002-01-05 15:00 ` Steve Doiel
2002-01-10 20:49 ` Robert A Duff
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