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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: High-Integrity OO and controlled types
Date: Tue, 3 May 2011 12:24:41 +0200
Date: 2011-05-03T12:24:42+02:00	[thread overview]
Message-ID: <1iafnr1rbueaw.1bo3gcx227hx7.dlg@40tude.net> (raw)
In-Reply-To: f6e72476-0dca-4ab8-bfdf-94a0ddf7a7dc@j26g2000yqa.googlegroups.com

On Tue, 3 May 2011 02:59:05 -0700 (PDT), Maciej Sobczak wrote:

> Controlledness should not be based on tags - it should be a completely
> orthogonal property of the type, without any relation to class-wide
> objects and dispatching calls (see C++ for an example). Interestingly
> this conclusion comes up regularly. Time to fix that part of the
> language, perhaps? ;-)

There are three meaning of being controlled:

1. Ada 83 used it to refer memory allocation (pragma Controlled)
2. Since Ada 95 it is both
2.a. An ability to influence initialization and finalization
2.b. An ability to have a [non-generic] class

Yes, things need to be sorted out.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de



  reply	other threads:[~2011-05-03 10:24 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-01 20:38 High-Integrity OO and controlled types Maciej Sobczak
2011-05-01 21:29 ` Robert A Duff
2011-05-01 22:44   ` Simon Wright
2011-05-02  7:59   ` Dmitry A. Kazakov
2011-05-02 16:32     ` Robert A Duff
2011-05-02 19:39       ` Dmitry A. Kazakov
2011-05-03  0:08         ` Robert A Duff
2011-05-03  7:30           ` Dmitry A. Kazakov
2011-05-03 16:51             ` Robert A Duff
2011-05-02  9:50 ` Cyrille
2011-05-02 10:01   ` Cyrille
2011-05-02 19:25     ` Maciej Sobczak
2011-05-03  9:32       ` Cyrille
2011-05-03  9:59         ` Maciej Sobczak
2011-05-03 10:24           ` Dmitry A. Kazakov [this message]
2011-05-03 16:53             ` Robert A Duff
2011-05-03 17:37               ` Dmitry A. Kazakov
2011-05-03 11:28           ` Georg Bauhaus
2011-05-03 12:27             ` Dmitry A. Kazakov
2011-05-03 15:22               ` Georg Bauhaus
2011-05-03 16:28                 ` Dmitry A. Kazakov
2011-05-04  8:48                   ` Georg Bauhaus
2011-05-04  9:28                     ` Dmitry A. Kazakov
2011-05-04 14:46                       ` Georg Bauhaus
2011-05-04 15:01                         ` Dmitry A. Kazakov
2011-05-04 15:25                           ` Georg Bauhaus
2011-05-04 16:23                             ` Dmitry A. Kazakov
2011-05-04 17:06                               ` Georg Bauhaus
2011-05-04 20:16                                 ` Dmitry A. Kazakov
2011-05-05  7:13                                   ` Maciej Sobczak
2011-05-05 10:58                                     ` Cyrille
2011-05-05 12:35                                       ` Dmitry A. Kazakov
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