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:a37:2710:: with SMTP id n16mr8506618qkn.149.1590766893343; Fri, 29 May 2020 08:41:33 -0700 (PDT) X-Received: by 2002:a54:4f82:: with SMTP id g2mr5733199oiy.122.1590766893004; Fri, 29 May 2020 08:41:33 -0700 (PDT) Path: eternal-september.org!reader01.eternal-september.org!feeder.eternal-september.org!feeder1.feed.usenet.farm!feed.usenet.farm!feeder.usenetexpress.com!tr3.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Fri, 29 May 2020 08:41:32 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: google-groups.googlegroups.com; posting-host=47.185.215.60; posting-account=zwxLlwoAAAChLBU7oraRzNDnqQYkYbpo NNTP-Posting-Host: 47.185.215.60 References: <50711230-5b14-4278-b9d8-d197bbe3c93b@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: Subject: Re: Ada++ From: Optikos Injection-Date: Fri, 29 May 2020 15:41:33 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Xref: reader01.eternal-september.org comp.lang.ada:58869 Date: 2020-05-29T08:41:32-07:00 List-Id: On Thursday, May 28, 2020 at 10:45:48 PM UTC-5, Optikos wrote: > On Thursday, May 28, 2020 at 5:33:15 PM UTC-5, Jerry wrote: > > Ada++. YABL? Please discuss. > > http://www.adapplang.com/ >=20 > Please forgive me for being from another planet, but for what does the B = of YABL stand? > Yet Another ________ Language > botched? > fatherless-son -ized? >=20 > Quite honestly, I think it is a YAAL: yet another Algol language like so= many others because its roadmap > so far seems to focus on yet another syntax for the same old stuff that w= e all have been regurgitating > slightly differently since Algol60. >=20 > In mild support of their efforts, I would suggest that the Ada++ team go = digging deep into old SIGADA > and Tri-Ada academic papers at dl.acm.org (which are nearly all available= at no-charge until 30 June > 2020 due to Covid-19). There are multiple old critiques and could-have w= ould-have should-have > alternative viewpoints of alternate Ada language variants that were passe= d over, including some variants > that would have achieved another Steelman requirement or two that Ada cho= se not to do and that the Air > Force's reviews trimmed out of Ichbiah's original more-expansive vision f= or Ada. The article below is the > biggest inventory of alternate variants of Ada that were discarded as pro= posed Green morphed into mil > standard Ada post-Steelman (and quite honestly before that and after that= in this exhaustive inventory).=20 > Plus the Ada++ team should search for the great multitude of mentionings = here on c.l.a of what a > next-gen Ada would fix in rusty musty crusty older parts of Ada that are = less admired nowadays than > Ichbiah & HOLWG considered crucial back in the 1970s. Hint: more radica= l semantic maturations than > mere syntactic doo-dads here & there. For example, greater amounts of or= thogonality such as constant > members of records as required in Steelman 3-3F. As another example, res= urrection of the old a.app > Ada-interpreter-within-the-Ada-compiler that was in DEC/Sun Ada compilers= (which itself was Ada's > rethink of PL/I's #PL/I interpreter within PL/I compiler), then drastical= ly extending a.app's capabilities for > multistage programming beyond OCaml-P4's. >=20 > https://dl.acm.org/doi/pdf/10.1145/989791.989792 In addition to the prose summary linked above, here is a much more fine-gra= ined list of when features of Green or Ada were added or taken away. It is= available without cost until 30 June 2020. Ada++ could revisit a great mu= ltitude of these decisions, some of which were from design-by-committee HOL= WG reviewers not from Ichbiah's mastermind vision/intent. https://dl.acm.org/doi/pdf/10.1145/24611.24614