From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!mx02.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: Finalization and class-wide views Date: Thu, 16 Jun 2016 09:34:51 +0200 Organization: Aioe.org NNTP Server Message-ID: References: NNTP-Posting-Host: vFKDMXWEWKqnQQwESBoFfw.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 X-Notice: Filtered by postfilter v. 0.8.2 Xref: news.eternal-september.org comp.lang.ada:30757 Date: 2016-06-16T09:34:51+02:00 List-Id: On 16/06/2016 01:50, Alejandro R. Mosteo wrote: > So the first declare is straightforward, the second one seems to involve > a temporary somewhere, and (here is my hope that this is not normal) the > last one, where seemingly B.M finalization seems missing. The integer > tells me that the previous finalization is of a temporary. In my case GNAT optimizes all three B's away. > I hope some of you experts can shed some light. To summarize: do > class-wide conversions affect finalization? No. A view conversion may not affect the object. The only question is what object. > Do you smell something fishy > in this case? Nothing except for broken semantics of assignment, at least in the third case. Maybe it is broken per design, let's hear what Ada lawyers say. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de