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 2002:a5e:820d:: with SMTP id l13-v6mr5074929iom.106.1535323973213; Sun, 26 Aug 2018 15:52:53 -0700 (PDT) X-Received: by 2002:aca:ec87:: with SMTP id k129-v6mr220964oih.2.1535323973133; Sun, 26 Aug 2018 15:52:53 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!weretis.net!feeder4.news.weretis.net!newsreader4.netcologne.de!news.netcologne.de!peer02.ams1!peer.ams1.xlned.com!news.xlned.com!peer02.am4!peer.am4.highwinds-media.com!peer03.iad!feed-me.highwinds-media.com!news.highwinds-media.com!w19-v6no2928695itb.0!news-out.google.com!z5-v6ni2384ite.0!nntp.google.com!w19-v6no2928688itb.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Sun, 26 Aug 2018 15:52:52 -0700 (PDT) In-Reply-To: <3892c779-2924-405c-b88d-19389fc5ba3e@googlegroups.com> Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=2a02:c7d:3c35:b000:325a:3aff:fe0f:37a5; posting-account=L2-UcQkAAAAfd_BqbeNHs3XeM0jTXloS NNTP-Posting-Host: 2a02:c7d:3c35:b000:325a:3aff:fe0f:37a5 References: <309225242.556906218.575482.laguest-archeia.com@nntp.aioe.org> <2145221813.556924687.162377.laguest-archeia.com@nntp.aioe.org> <3892c779-2924-405c-b88d-19389fc5ba3e@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <1ceec6d8-c5c4-49b1-9808-a3580bba3f8e@googlegroups.com> Subject: Re: Studying and Maintaining GNAT, Is There Any Interest in a New Group? From: Lucretia Injection-Date: Sun, 26 Aug 2018 22:52:53 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Received-Bytes: 4361 X-Received-Body-CRC: 2895365434 Xref: reader02.eternal-september.org comp.lang.ada:54263 Date: 2018-08-26T15:52:52-07:00 List-Id: On Sunday, 26 August 2018 20:54:11 UTC+1, Dan'l Miller wrote: > On Saturday, August 25, 2018 at 4:48:07 PM UTC-5, Luke A. Guest wrote: > > wrote: > >=20 > > > However I am discouraged with what you are saying about the bugs bein= g on > > > the compiler side and not so much in the RTS. > >=20 > > It=E2=80=99s more the bugs are in the Ada front end, not the GCC backen= d, which is > > the codegen. >=20 > Although it might be quibbling over the definition of =E2=80=9Cfront-end= =E2=80=9D and =E2=80=9Cback-end=E2=80=9D, it is my belief that the vast maj= ority of the bugs outside of the runtime is either: There is no quibbling, I was pointing out his error in what he thought was = what. < removed rambling > > On Saturday, August 25, 2018 at 5:05:52 PM UTC-5, Luke A. Guest wrote: > > A new compiler needs a radical new design. >=20 > Luke, GIGI is the general vicinity for fulfilling your prophetic predicti= on of the future: A radical new Ada-compiler design would eliminate the tr= ee-transducer's transcription of snippets of Ada's semantically-adorned AST= (in Ada-language source code) into GENERIC/GIMPLE C/C++ semantic tree (in = C-language=20 What are you going on about? >source code). In short, a radical new Ada-compiler design would eliminate= GIGI. Luke & Shark8 take especial note: eliminate the need for GIGI enti= rely, then one has a drastically entirely-different-than-GNAT design for a = next-gen=20 That's exactly the point, it would be a completely different design, a comp= letely different compiler, hence nothing from GCC/GNAT. >Ada compiler. Luke, despite your ridicule of studying Ada's antiquity, = =E2=80=A2that=E2=80=A2 elimination of GIGI is precisely why studying Willia= m Wulf's DIANA from decades ago is intellectually stimulating & rewarding a= s getting the creative juices flowing in the mind when contemplating what a= next-gen Ada compiler might have=20 I never said anything about not learning from DIANA, I said don't implement= it. Reason is simple, it was designed using Ada83, we have OO now and OO f= its a compiler perfectly and would be a hell of a lot nicer than a bunch of= variant records/enums. >at its heart instead of the bug-prone complication that GNAT has at its he= art: AdaAST-GIGI-C/C++AST, 2 separate trees and a transducer-of-clever-sni= ppets between them. (I suspect sometimes the scope of that cleverness ther= e in GIGI is insufficiently narrow/not-omniscient-enough, hence mistranscri= ption bug.) What the hell are you on about???? =20 < removed >