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=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no 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: GNAT.Serial_Communication and Streams Date: Wed, 25 Nov 2015 18:43:26 +0100 Organization: cbb software GmbH Message-ID: References: <1pl8set3ocirg.1v92rqtxaoq3z$.dlg@40tude.net> <69b11711-7f19-4b0f-9a5e-66b873a72cc2@googlegroups.com> <176k4qaseow2w.1cckz2yfyq3m2.dlg@40tude.net> <0878b65a-dd37-4f30-a49c-2f2e41c06f6a@googlegroups.com> Reply-To: mailbox@dmitry-kazakov.de NNTP-Posting-Host: Sfz0eNwKWh4Uq03iti+GMw.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org User-Agent: 40tude_Dialog/2.0.15.1 X-Notice: Filtered by postfilter v. 0.8.2 Xref: news.eternal-september.org comp.lang.ada:28543 Date: 2015-11-25T18:43:26+01:00 List-Id: On Wed, 25 Nov 2015 04:45:38 -0800 (PST), Shark8 wrote: > On Wednesday, November 25, 2015 at 1:52:46 AM UTC-7, Dmitry A. Kazakov wrote: >> >> You can validate compilers only against mandated behavior. Stream attribute >> to produce same sequences of stream elements across all Ada compilers is >> just not required. > > That's rather irrelevant: that Stream'Input is allowed to have an > implementation-defined representation for its stream is immaterial to your > claim that the compiler cannot be verified This immediately follows from being "implementation-defined." Implementation-defined = [forall] not defined. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de