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!.POSTED!not-for-mail From: "Alejandro R. Mosteo" Newsgroups: comp.lang.ada Subject: Re: Finalization and class-wide views Date: Thu, 16 Jun 2016 11:11:15 +0200 Organization: A noiseless patient Spider Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 16 Jun 2016 09:11:15 -0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="6d84a6c85b8a1a019c7ed28ae8b7efda"; logging-data="12626"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19OhZ7byEszzW+bQfs1+oAZ" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 In-Reply-To: Cancel-Lock: sha1:Wv4ygoggvKEIiSXVos08/BfH4JY= Xref: news.eternal-september.org comp.lang.ada:30758 Date: 2016-06-16T11:11:15+02:00 List-Id: On 16/06/16 09:34, Dmitry A. Kazakov wrote: > 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. Thanks for taking the time of going over my example and confirming this point. >> 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. Ok, thanks. Alex.