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 X-Received: by 2002:a24:d643:: with SMTP id o64-v6mr7289539itg.48.1529447677037; Tue, 19 Jun 2018 15:34:37 -0700 (PDT) X-Received: by 2002:a9d:4c96:: with SMTP id m22-v6mr10282otf.6.1529447676965; Tue, 19 Jun 2018 15:34:36 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!border1.nntp.ams1.giganews.com!nntp.giganews.com!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed9.news.xs4all.nl!85.12.16.70.MISMATCH!peer03.ams1!peer.ams1.xlned.com!news.xlned.com!peer03.am4!peer.am4.highwinds-media.com!peer02.iad!feed-me.highwinds-media.com!news.highwinds-media.com!u78-v6no506546itb.0!news-out.google.com!c20-v6ni226itc.0!nntp.google.com!d7-v6no496155itj.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Tue, 19 Jun 2018 15:34:36 -0700 (PDT) In-Reply-To: <584564c2-9f64-4965-b045-535cdaf899c0@googlegroups.com> Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=47.185.195.62; posting-account=zwxLlwoAAAChLBU7oraRzNDnqQYkYbpo NNTP-Posting-Host: 47.185.195.62 References: <584564c2-9f64-4965-b045-535cdaf899c0@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <68471f36-65cd-47e0-aa8c-99f91df24491@googlegroups.com> Subject: Re: Why are Ada compilers difficult to write ? From: "Dan'l Miller" Injection-Date: Tue, 19 Jun 2018 22:34:37 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Received-Bytes: 2310 X-Received-Body-CRC: 256666816 Xref: reader02.eternal-september.org comp.lang.ada:53181 Date: 2018-06-19T15:34:36-07:00 List-Id: On Tuesday, June 19, 2018 at 4:33:38 PM UTC-5, Vincent wrote: > Dear Ada programers, >=20 > I have often heard that Ada compilers where expensive because they are ve= ry difficult to write, > compared to Pascal or C ones. So my question is : what in the Ada languag= e poses problem to a > compiler ? What are the challenges ? Where can I find documentation about= that ? >=20 > Regards, >=20 > Vincent The ARG mailing list (and extracts thereof, as appearing as appendix to eac= h AI) is filled with descriptions of how over-the-top difficult some propos= al is until the complexity of the proposal is whittled down. That is the f= orum where the luminaries & experts of Ada-world come together to discuss t= hat complexity-of-the-compiler topic, as represented by each Ada compiler v= endor. Also, there is this ominous house-of-cards complexity warning in C++world f= rom the progenitor of C++ himself: https://www.TheRegister.co.uk/2018/06/18/bjarne_stroustrup_c_plus_plus