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=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,7d3cb5920e882220 X-Google-Attributes: gid103376,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!news.glorb.com!news.unit0.net!newsfeed.freenet.de!news.tu-darmstadt.de!news.belwue.de!newsfeed.arcor.de!newsspool1.arcor-online.net!news.arcor.de.POSTED!not-for-mail Date: Fri, 14 Dec 2007 13:40:50 +0100 From: Georg Bauhaus User-Agent: Thunderbird 2.0.0.6 (X11/20071022) MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Exceptions References: <5947aa62-2547-4fbb-bc46-1111b4a0dcc9@x69g2000hsx.googlegroups.com> <475c688f$0$17524$9b4e6d93@newsspool4.arcor-online.net> <4dae26fe-0c8a-46e1-9a33-43c18cf757ae@i3g2000hsf.googlegroups.com> <9f16235c-260a-460b-873c-2183c154cc0c@e25g2000prg.googlegroups.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Message-ID: <476279d4$0$16585$9b4e6d93@newsspool1.arcor-online.net> Organization: Arcor NNTP-Posting-Date: 14 Dec 2007 13:40:52 CET NNTP-Posting-Host: 11107c9b.newsspool1.arcor-online.net X-Trace: DXC=]eN?P4Fo<]lROoR14nDHegD_]R5[N_BI;\ko82A:ho7QcPOV3<7;6;_[RRE4FM_lAf0=B:= X-Complaints-To: usenet-abuse@arcor.de Xref: g2news1.google.com comp.lang.ada:18945 Date: 2007-12-14T13:40:52+01:00 List-Id: Ray Blaak wrote: > "Randy Brukardt" writes: >> I generally agree with you, but there is one case where you need to do >> specific exception handling: when you need to change one exception into >> another. > > Ok, it has to be said again: exceptions need to be first class objects. Or, exceptions need to stay the way they are for the exceptional case of something going wrong(!) but we need a mechanism for safely signaling information up the call chain in a specially controlled fashion (the algorithmic use of "exception objects").