From: Jean-Pierre Rosen <rosen@adalog.fr>
Subject: Re: Embedded languages based on early Ada (from "Re: Preferred OS, processor family for running embedded Ada?")
Date: Thu, 01 Mar 2007 10:18:30 +0100
Date: 2007-03-01T10:18:30+01:00 [thread overview]
Message-ID: <dp56se.cpc.ln@hunter.axlog.fr> (raw)
In-Reply-To: <es4dl5$ve2$1@newsserver.cilea.it>
Colin Paul Gloster a �crit :
> procedure Ada_Is_As_Unsafe_As_VHDL_And_GNAT_Will_Not_Even_Warn is
> value,Y:Integer;
> begin
> if False then
> Value:=0;
> end if;
> Y:=Value;
> end Ada_Is_As_Unsafe_As_VHDL_And_GNAT_Will_Not_Even_Warn;
> --GNAT is an abbreviation of "the GNU Ada Translator".
>
> I do not know Modula-3 and Oberon. Do they allow such a trivially
> detectable accident?
>
Here is what AdaControl says about it:
Error: IMPROPER_INITIALIZATION: use of uninitialized variable: Value
Error: IMPROPER_INITIALIZATION: variable "value" used before
initialisation>
NB: I think this kind of analysis is for external tools, not for
compilers. Nice when compilers can provide extra warnings, but that's
not their primary job.
--
---------------------------------------------------------
J-P. Rosen (rosen@adalog.fr)
Visit Adalog's web site at http://www.adalog.fr
next prev parent reply other threads:[~2007-03-01 9:18 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-23 0:59 Preferred OS, processor family for running embedded Ada? Mike Silva
2007-02-23 4:41 ` Steve
2007-02-23 16:00 ` Mike Silva
2007-02-23 4:49 ` Jeffrey R. Carter
2007-02-23 13:13 ` Mike Silva
2007-02-23 13:56 ` Stephen Leake
2007-02-23 14:10 ` Mike Silva
2007-02-24 10:45 ` Stephen Leake
2007-02-24 12:27 ` Jeffrey Creem
2007-02-24 22:10 ` Dr. Adrian Wrigley
2007-02-25 13:10 ` roderick.chapman
2007-02-25 17:53 ` Jeffrey R. Carter
2007-02-25 15:08 ` Stephen Leake
2007-02-28 17:20 ` Embedded languages based on early Ada (from "Re: Preferred OS, processor family for running embedded Ada?") Colin Paul Gloster
2007-03-01 9:18 ` Jean-Pierre Rosen [this message]
2007-03-01 11:22 ` Dr. Adrian Wrigley
2007-03-01 11:47 ` claude.simon
2007-03-01 13:57 ` Dmitry A. Kazakov
2007-03-01 18:09 ` Ray Blaak
2007-03-02 11:36 ` Dr. Adrian Wrigley
2007-03-02 16:32 ` Dmitry A. Kazakov
2007-03-03 0:00 ` Dr. Adrian Wrigley
2007-03-03 11:00 ` Dmitry A. Kazakov
2007-03-03 11:27 ` Jonathan Bromley
2007-03-03 12:12 ` Simon Farnsworth
2007-03-03 14:07 ` Dr. Adrian Wrigley
2007-03-03 17:28 ` Pascal Obry
2007-03-03 18:11 ` Dmitry A. Kazakov
2007-03-03 18:31 ` Pascal Obry
2007-03-03 20:26 ` Dmitry A. Kazakov
2007-03-03 21:28 ` Dr. Adrian Wrigley
2007-03-03 22:00 ` Pascal Obry
2007-03-03 13:40 ` Dr. Adrian Wrigley
2007-03-03 15:26 ` Jonathan Bromley
2007-03-03 16:59 ` Dr. Adrian Wrigley
2007-03-05 15:36 ` Colin Paul Gloster
2007-03-03 1:58 ` Ray Blaak
2007-03-03 8:14 ` Pascal Obry
2007-03-03 11:00 ` Dmitry A. Kazakov
2007-03-03 21:13 ` Ray Blaak
2007-03-05 19:01 ` PAR (Was: Embedded languages based on early Ada) Jacob Sparre Andersen
2007-03-06 2:01 ` Dr. Adrian Wrigley
2007-03-06 3:30 ` Randy Brukardt
2007-03-06 7:10 ` Ray Blaak
2007-03-06 18:05 ` Ray Blaak
2007-03-06 6:04 ` tmoran
2007-03-06 6:59 ` Ray Blaak
2007-03-06 7:07 ` Ray Blaak
2007-03-06 7:22 ` Martin Krischik
2007-03-06 13:18 ` Dr. Adrian Wrigley
2007-03-06 18:16 ` Ray Blaak
2007-03-06 23:49 ` Randy Brukardt
2007-03-07 8:59 ` Dmitry A. Kazakov
2007-03-07 18:26 ` Ray Blaak
2007-03-07 19:03 ` Dr. Adrian Wrigley
2007-03-07 19:55 ` Dmitry A. Kazakov
2007-03-07 20:17 ` Ray Blaak
2007-03-08 10:06 ` Dmitry A. Kazakov
2007-03-08 18:03 ` Ray Blaak
2007-03-07 20:18 ` Pascal Obry
2007-03-07 20:41 ` Dr. Adrian Wrigley
2007-03-08 5:45 ` Randy Brukardt
2007-03-08 10:06 ` Dmitry A. Kazakov
2007-03-10 1:58 ` Randy Brukardt
2007-03-10 9:11 ` Dmitry A. Kazakov
2007-03-08 18:08 ` Ray Blaak
2007-03-10 1:50 ` Randy Brukardt
2007-03-05 15:23 ` Embedded languages based on early Ada (from "Re: Preferred OS, processor family for running embedded Ada?") Colin Paul Gloster
2007-03-06 0:31 ` Dr. Adrian Wrigley
2007-03-01 16:09 ` Colin Paul Gloster
2007-03-01 13:23 ` Martin Thompson
2007-02-26 16:34 ` Preferred OS, processor family for running embedded Ada? Jean-Pierre Rosen
2007-02-26 21:18 ` Dr. Adrian Wrigley
2007-02-27 15:39 ` Jean-Pierre Rosen
2007-02-28 12:25 ` Jerome Hugues
2007-02-24 19:11 ` Mike Silva
2007-02-24 13:59 ` Jacob Sparre Andersen
2007-03-01 19:32 ` Jacob Sparre Andersen
2007-03-01 20:22 ` Mike Silva
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