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
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!nntp-feed.chiark.greenend.org.uk!ewrotcd!newsfeed.xs3.de!io.xs3.de!news.jacob-sparre.dk!franka.jacob-sparre.dk!pnx.dk!.POSTED.rrsoftware.com!not-for-mail
From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Why are Ada compilers difficult to write ?
Date: Fri, 29 Jun 2018 16:35:21 -0500
Organization: JSA Research & Innovation
Message-ID: <ph68mp$3cq$1@franka.jacob-sparre.dk>
References: 
 <584564c2-9f64-4965-b045-535cdaf899c0@googlegroups.com><pgdtbd$7pd$1@dont-email.me><7cb22c58-3009-47f0-8fe7-62f3cd61785d@googlegroups.com><b09eac1a-0783-4a44-bb90-4820da4afe30@googlegroups.com><pgjai9$bhp$1@dont-email.me>
 <pgkneo$tpa$1@gioia.aioe.org><2d617160-ac33-40e6-a06a-97cc0b53062d@googlegroups.com>
 <874lhsnvye.fsf@adaheads.home>
Injection-Date: Fri, 29 Jun 2018 21:35:21 -0000 (UTC)
Injection-Info: franka.jacob-sparre.dk;
 posting-host="rrsoftware.com:24.196.82.226";
	logging-data="3482"; mail-complaints-to="news@jacob-sparre.dk"
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 6.00.2900.5931
X-RFC2646: Format=Flowed; Original
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.7246
Xref: reader02.eternal-september.org comp.lang.ada:53453
Date: 2018-06-29T16:35:21-05:00
List-Id: <comp.lang.ada>

"Jacob Sparre Andersen" <jacob@jacob-sparre.dk> wrote in message 
news:874lhsnvye.fsf@adaheads.home...
...
> And this
> still doesn't solve all the problems related to anonymous access types
> (i.e. "the heart of darkness").

pragma Restrictions (No_Anonymous_Access);

would seem to do the trick. (Sadly, it's missing from Annex H.)

pragma Restrictions (No_Anonymous_Allocators);

does eliminate most of the oddities, but you still get dynamic accessibility 
checks (and see my previous message about that).

                      Randy.