From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Yuan Fu Newsgroups: gmane.emacs.bugs Subject: bug#61211: 28.2; Feature request; facility for dispatch type major mode Date: Thu, 9 Feb 2023 17:29:26 -0800 Message-ID: <1D8721C5-5B3F-49D2-950A-409D984F91E2@gmail.com> References: <13351.1675254487@localhost> Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.300.101.1.3\)) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13649"; mail-complaints-to="usenet@ciao.gmane.io" Cc: monnier@iro.umontreal.ca, 61211@debbugs.gnu.org To: ikumi@ikumi.que.jp Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Feb 10 02:30:12 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1pQIEu-0003RS-4k for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 10 Feb 2023 02:30:12 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pQIEp-00034N-3W; Thu, 09 Feb 2023 20:30:07 -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 1pQIEl-00033o-7U for bug-gnu-emacs@gnu.org; Thu, 09 Feb 2023 20:30:05 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pQIEk-00051M-Q1 for bug-gnu-emacs@gnu.org; Thu, 09 Feb 2023 20:30:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pQIEk-0006QT-Ke for bug-gnu-emacs@gnu.org; Thu, 09 Feb 2023 20:30:02 -0500 X-Loop: help-debbugs@gnu.org In-Reply-To: <13351.1675254487@localhost> Resent-From: Yuan Fu Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 10 Feb 2023 01:30:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 61211 X-GNU-PR-Package: emacs Original-Received: via spool by 61211-submit@debbugs.gnu.org id=B61211.167599258524655 (code B ref 61211); Fri, 10 Feb 2023 01:30:02 +0000 Original-Received: (at 61211) by debbugs.gnu.org; 10 Feb 2023 01:29:45 +0000 Original-Received: from localhost ([127.0.0.1]:33955 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pQIET-0006Pb-Fw for submit@debbugs.gnu.org; Thu, 09 Feb 2023 20:29:45 -0500 Original-Received: from mail-pj1-f54.google.com ([209.85.216.54]:53206) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pQIEQ-0006PG-VD for 61211@debbugs.gnu.org; Thu, 09 Feb 2023 20:29:43 -0500 Original-Received: by mail-pj1-f54.google.com with SMTP id o13so3792536pjg.2 for <61211@debbugs.gnu.org>; Thu, 09 Feb 2023 17:29:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:cc:date:message-id:subject:mime-version :content-transfer-encoding:from:from:to:cc:subject:date:message-id :reply-to; bh=VEQJZygow98Qkbdbr8XrvxdMFuHj6AN5Wy9SKZkolLQ=; b=BQQ/m4ZKHHLgA0kM0osj519sDs2Zck/yPYEA2826oHSBYkICuZp/uPf4eVqenBT9eC QrJx6RoW7AOHSSWFpP+S9EtST+DR/2t0YHvGNrQjI00tltBM3Zco8RYKXjRjj2iwv8zN BLY6oEhNOEWYUSH72r0JdFZeHpYK+5A4gPWgTfSsxa1YWRKpdL36wMXbkGBtbOPIsLyh u4CZvlpcSMJgvWklA8TAOsFTeESqCK6MD4dSWNls6yrbmugYMcuMJBRGkjUhiPl9qDY5 yG41UL6V1VPg6IFeJeJJ+dnc0tGyyo3lAOBMsAk/0cY3oQRScUZBgHl3WsjAzGx9WGVV 5Lug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:cc:date:message-id:subject:mime-version :content-transfer-encoding:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=VEQJZygow98Qkbdbr8XrvxdMFuHj6AN5Wy9SKZkolLQ=; b=B0H8QKAyukQqjH6KMR0EtgTYpQeEwsvFcjsqMixISjSiDK6Mn0zwdJeF80Xh/oNGGw OIhKJCpmb6cV+sMtZ2sHBLPFfa8l4Uu0h6MIAZq9oJW/OHqsHFQU/q2/KwW+NLaA3cpU z2OLOXciUp4z+nBWxsXeOuiIN1wV/u/F7eyh4h8VGoRlG38UdpIm/AIIHg5VHkL6k3dd 3aEab1tGPx/ZAZQWiKbtlJP8sXOlzYb1qHk5X5V1DFvMlfOBafVDD2X721vcop0gIBp/ oaL4/zkPFAr7cees9BKlteaT35WXFGm8urx0NF2a3riI6UYxgdf6RCTk0Y/HoLLRCUny VM6Q== X-Gm-Message-State: AO0yUKX38u/qrcBz52t1/+jEcW55sIsj8a4aeqdgE1yz/lUHlmSi78Hl fwcwuHRc0bJD1PrETqfwQdM= X-Google-Smtp-Source: AK7set/Kl6WbbdvOpOy3YYLJEpRAd+Jx+nAW1iF30cQcaf2tofrDLL1swbnPFbhH0IYkXPIuymIFcg== X-Received: by 2002:a17:902:e414:b0:199:5593:cdba with SMTP id m20-20020a170902e41400b001995593cdbamr4596654ple.69.1675992577085; Thu, 09 Feb 2023 17:29:37 -0800 (PST) Original-Received: from smtpclient.apple (cpe-172-117-161-177.socal.res.rr.com. [172.117.161.177]) by smtp.gmail.com with ESMTPSA id m3-20020a632603000000b0049f77341db3sm1839652pgm.42.2023.02.09.17.29.36 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 09 Feb 2023 17:29:36 -0800 (PST) X-Mailer: Apple Mail (2.3731.300.101.1.3) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:255260 Archived-At: Ikumi Keita writes: > I'd like to discuss dispatch functions or "superficial" major modes. > AUCTeX has the following major mode functions: > context-en-mode, context-nl-mode, japanese-latex-mode, = japanese-plain-tex-mode > They only do language-specific set-ups and turn into context-mode, > latex-mode or plain-tex-mode eventually. In some aspects, they are > similar with dispatch functions `tex--guess-mode' and `TeX-tex-mode' > (AUCTeX) which guess a proper major mode and call it: > - They can be specified as `mode' tag of file local variable and entry > of `auto-mode-alist'. > - They never hold their own `major-mode' value. > - When called, they eventually turn into another proper major mode. > For these reasons, they can be called "superficial" major modes. > > Note that it isn't enough to define them like > (define-derived-mode japanese-latex-mode latex-mode "LaTeX" > ... > (setq major-mode 'latex-mode) > ...) > because it doesn't respond to directory local variable entry of the = form > ((japanese-latex-mode > ...)) > in that case. > > So I hope emacs to have facility to handle such superficial major = modes > in a clean way. > > Regards, > Ikumi Keita > #StandWithUkraine #StopWarInUkraine Another use-case is for tree-sitter modes: we want to dispatch to tree-sitter/non-tree-sitter major modes automatically. Yuan