From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Attaching context info to an error Date: Fri, 22 Dec 2023 10:58:57 -0500 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30513"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: emacs-devel@gnu.org To: Gerd =?windows-1252?Q?M=F6llmann?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Dec 22 16:59:56 2023 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 1rGhwJ-0007iY-Qq for ged-emacs-devel@m.gmane-mx.org; Fri, 22 Dec 2023 16:59:56 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rGhvW-00071Q-Li; Fri, 22 Dec 2023 10:59:06 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rGhvU-000713-OS for emacs-devel@gnu.org; Fri, 22 Dec 2023 10:59:04 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rGhvT-000602-2A for emacs-devel@gnu.org; Fri, 22 Dec 2023 10:59:04 -0500 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id C62BA82A34; Fri, 22 Dec 2023 10:58:59 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1703260738; bh=2pBg/4a+PqkIxAOa1W8L1WmLwSdi+kDEwLP3/RnzVo8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=bhe9SumDBOnTLS1VcEs7naXopwboKsHmMOM+sVqEIkZPTBrAUWqSdtiYzq1QYNvdI xrs7J7ertECBeZs5anpD0fxFZKG8P8AWTB/lgVHt5OPnFyPbFlzBbAyqC4TsraQrm4 6Ytm5VzjVjk92gRA9zO0A8V0YEa09ONTPYymHwLMdn7Dg+IoYMK+SpZlITlEnMcQEo V6uKGqrPVnO1S0PCGow3PIYL7ljs4NoCeUZ3K+32PWEqMuE0BovmD/h9nB4mskIfnk nJ1aesaBKjSSwTS4YQV6q4n0qBGXwwy1lDG+Xsjy18GT2uhZO3urlA64Y3f36tsKbK Zj92St3inyqeA== Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id AA138807A4; Fri, 22 Dec 2023 10:58:58 -0500 (EST) Original-Received: from alfajor (unknown [23.233.149.155]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 8F6B712101E; Fri, 22 Dec 2023 10:58:58 -0500 (EST) In-Reply-To: ("Gerd =?windows-1252?Q?M=F6ll?= =?windows-1252?Q?mann=22's?= message of "Fri, 22 Dec 2023 07:50:35 +0100") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:314080 Archived-At: >> The question is: where should we put this "context" info. >> >> One possibility is to do something like the following: >> >> (defun load (file ...) >> (handler-bind ((error (lambda (err) >> (signal 'error-during-load >> (cons file err))))) >> ...)) > > I'm just guessing - so the argument ERR of the handler function is not a > `condition' object of some kind, in the CL sense? What is it? No, it's the same kind of objects as are bound to `err` in (condition-case err ...), i.e. a cons of (ERROR-NAME . ERROR-DATA). I don't think it makes sense to have different kinds of objects for `handler-bind` and for `condition-case`. Stefan