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=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD,
	FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4
X-Google-Thread: 103376,1a4156f047b063f
X-Google-NewGroupId: yes
X-Google-Attributes: gida07f3367d7,domainid0,public,usenet
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news2.google.com!postnews.google.com!o21g2000prh.googlegroups.com!not-for-mail
From: Shark8 <onewingedshark@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Forcing Exception Handling
Date: Tue, 1 Mar 2011 07:23:56 -0800 (PST)
Organization: http://groups.google.com
Message-ID: 
 <fa1a4004-b346-46f7-b8a0-e32af90ae455@o21g2000prh.googlegroups.com>
References: <02901b13-da72-48ae-9cb3-bf1a10144c44@u3g2000vbe.googlegroups.com>
 <4d6c07c1$0$6885$9b4e6d93@newsspool2.arcor-online.net>
 <e11ff7f8-a0bb-4dae-ac75-d00bb7895201@e11g2000prm.googlegroups.com>
 <195bsgigtzacu$.13u18z09ptrtw$.dlg@40tude.net>
NNTP-Posting-Host: 174.28.181.54
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1298993036 21597 127.0.0.1 (1 Mar 2011 15:23:56
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Tue, 1 Mar 2011 15:23:56 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: o21g2000prh.googlegroups.com; posting-host=174.28.181.54;
 posting-account=lJ3JNwoAAAAQfH3VV9vttJLkThaxtTfC
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.13)
 Gecko/20101203 Firefox/3.6.13 ( .NET CLR 3.5.30729; .NET4.0E),gzip(gfe)
Xref: g2news2.google.com comp.lang.ada:18656
Date: 2011-03-01T07:23:56-08:00
List-Id: <comp.lang.ada>

On Mar 1, 1:56=A0am, "Dmitry A. Kazakov" <mail...@dmitry-kazakov.de>
wrote:
>
> Also consider this:
>
> =A0 =A0declare
> =A0 =A0 =A0 Foo : exception:
> =A0 =A0begin
> =A0 =A0 =A0 ...
> =A0 =A0 =A0 raise Foo;
> =A0 =A0end; =A0-- Foo propagates out its scope!!
>

What's wrong with handling it with OTHERS?

> A possibility to handle this is exception promotion, e.g. Foo to
> Program_Error, when Foo gets finalized.

A third is to convert Exceptions to a hierarchy as stated in my last
post.
I'm not sure that's a Good Thing, but I think it's actually better
than
type extension; which I thought would be nice earlier... but the more
I
think on the problem the more it seems it would be utterly burdensome
for
implementors as well as possibly impossible-to-get-right.