From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eric Abrahamsen Newsgroups: gmane.emacs.devel Subject: Re: Any downside to condition-case-unless-debug? Date: Thu, 27 May 2021 21:48:05 -0700 Message-ID: <87fsy7tqey.fsf@ericabrahamsen.net> References: <87pmxcw2rl.fsf@ericabrahamsen.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32660"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: emacs-devel@gnu.org Cancel-Lock: sha1:oAp2MiuCKIoH4Cw2Xk0r4ADEjzM= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri May 28 06:48:57 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lmUQa-0008F9-Sp for ged-emacs-devel@m.gmane-mx.org; Fri, 28 May 2021 06:48:56 +0200 Original-Received: from localhost ([::1]:49728 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lmUQZ-0002yX-T5 for ged-emacs-devel@m.gmane-mx.org; Fri, 28 May 2021 00:48:55 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35790) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lmUPu-0002Jg-Js for emacs-devel@gnu.org; Fri, 28 May 2021 00:48:14 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:40428) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lmUPs-0007BJ-MC for emacs-devel@gnu.org; Fri, 28 May 2021 00:48:13 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1lmUPq-0007RN-LH for emacs-devel@gnu.org; Fri, 28 May 2021 06:48:10 +0200 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:269972 Archived-At: Richard Stallman writes: > [[[ To any NSA and FBI agents reading my email: please consider ]]] > [[[ whether defending the US Constitution against all enemies, ]]] > [[[ foreign or domestic, requires you to follow Snowden's example. ]]] > > > I feel like a lot of my debugging recently has involved various ways of > > working around `condition-case' and its swallowing of useful error > > information. Is there any reason not to prefer > > `condition-case-unless-debug' in new code? > > If we wanted to have that behavior by default, then rather than change > lots of code gradually, how about making a new global flag > `debug-on-caught-error' which, when t, would make errors invoke > the debugger when they are about to be caught? > > If `debug-on-caught-error' is `debug-on-error', then the value of > `debug-on-error' would control the behavior of errors about to be > caught. Would this help work around the ERT interference that Glenn referenced?