From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.devel Subject: Re: Extending define-derived-mode Date: Tue, 30 May 2023 20:24:35 +0300 Organization: LINKOV.NET Message-ID: <86a5xlbvj0.fsf@mail.linkov.net> References: <20F07C52-6B39-4B24-8433-82E2226EADA6@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7100"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/30.0.50 (x86_64-pc-linux-gnu) Cc: emacs-devel , Mickey Petersen , Theodor Thornhill , Dmitry Gutov To: Yuan Fu Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue May 30 19:32:37 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 1q43D3-0001kZ-Io for ged-emacs-devel@m.gmane-mx.org; Tue, 30 May 2023 19:32:37 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q43CN-0003zm-AE; Tue, 30 May 2023 13:31:55 -0400 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 1q43CJ-0003wE-BO for emacs-devel@gnu.org; Tue, 30 May 2023 13:31:51 -0400 Original-Received: from relay9-d.mail.gandi.net ([217.70.183.199]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q43CH-0004Sm-0k for emacs-devel@gnu.org; Tue, 30 May 2023 13:31:51 -0400 X-GND-Sasl: juri@linkov.net X-GND-Sasl: juri@linkov.net X-GND-Sasl: juri@linkov.net X-GND-Sasl: juri@linkov.net X-GND-Sasl: juri@linkov.net Original-Received: by mail.gandi.net (Postfix) with ESMTPSA id A7F08FF802; Tue, 30 May 2023 17:31:41 +0000 (UTC) In-Reply-To: <20F07C52-6B39-4B24-8433-82E2226EADA6@gmail.com> (Yuan Fu's message of "Mon, 29 May 2023 22:16:49 -0700") Received-SPF: pass client-ip=217.70.183.199; envelope-from=juri@linkov.net; helo=relay9-d.mail.gandi.net X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, 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:306422 Archived-At: > I don’t have a clear vision right now, perhaps we want > multiple inheritance for hooks, perhaps we can simply allow > define-derived-mode to specify additional hooks to run, and create > some language hooks that are shared by every mode serving that language. > I’d like to hear your thoughts. A well-known alternative to multiple inheritance would be to use mixins. Implementation-wise this means extracting common parts to separate functions, then calling e.g. 'js-base-setup' from both 'js-mode' and 'js-ts-mode'.