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,FREEMAIL_FROM autolearn=unavailable autolearn_force=no version=3.4.4 X-Received: by 10.107.88.11 with SMTP id m11mr22210867iob.18.1511807840964; Mon, 27 Nov 2017 10:37:20 -0800 (PST) X-Received: by 10.157.83.199 with SMTP id i7mr883410oth.3.1511807840862; Mon, 27 Nov 2017 10:37:20 -0800 (PST) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!news.unit0.net!peer03.am4!peer.am4.highwinds-media.com!peer02.iad!feed-me.highwinds-media.com!news.highwinds-media.com!i6no7623058itb.0!news-out.google.com!x87ni5457ita.0!nntp.google.com!i6no7623054itb.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Mon, 27 Nov 2017 10:37:20 -0800 (PST) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=2003:c7:83c9:d6fd:582a:5ba0:2794:19af; posting-account=rmHyLAoAAADSQmMWJF0a_815Fdd96RDf NNTP-Posting-Host: 2003:c7:83c9:d6fd:582a:5ba0:2794:19af References: <4db43571-7f86-4e73-8849-c41160927703@googlegroups.com> <6496a10f-c97e-4e42-b295-2478ad464b2f@googlegroups.com> <6106dfe6-c614-4fc1-aace-74bf8d7435e3@googlegroups.com> <102d4df8-d392-4100-9a37-c49705397e4e@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <2240ea85-c247-4097-9877-24ce32a47123@googlegroups.com> Subject: Re: Extending a third party tagged type while adding finalization From: AdaMagica Injection-Date: Mon, 27 Nov 2017 18:37:20 +0000 Content-Type: text/plain; charset="UTF-8" X-Received-Bytes: 2334 X-Received-Body-CRC: 2788682165 Xref: reader02.eternal-september.org comp.lang.ada:49192 Date: 2017-11-27T10:37:20-08:00 List-Id: Am Montag, 27. November 2017 17:38:02 UTC+1 schrieb Jere: > On Monday, November 27, 2017 at 10:00:11 AM UTC-5, AdaMagica wrote: > well, when I tried your example it didn't call the finalization routing for > any derived types. I might have mis-copied it somehow. Here is a > compilable example: > procedure Main is > generic > > type Uncontrolled (<>) is abstract tagged private; > > with procedure Adjust (Object: in out Uncontrolled); > with procedure Finalize (Object: in out Uncontrolled); The problem is in your generic parameter part. See section 3 of my paper and download the full code (see the end of the paper). It's really a problem that opens the gates of hell as I've written as an intro. It can definitly only work for limited types.