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.bugs Subject: bug#60691: 29.0.60; Slow tree-sitter font-lock in ruby-ts-mode Date: Mon, 09 Jan 2023 19:16:12 +0200 Organization: LINKOV.NET Message-ID: <867cxv3dnn.fsf@mail.linkov.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="23929"; 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: dmitry gutov To: 60691@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jan 09 18:39:35 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 1pEw7S-0005zV-Es for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 09 Jan 2023 18:39:34 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pEw49-0007vs-Ae; Mon, 09 Jan 2023 12:36:09 -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 1pEw43-0007rF-0u for bug-gnu-emacs@gnu.org; Mon, 09 Jan 2023 12:36:06 -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 1pEw42-0005Zl-P1 for bug-gnu-emacs@gnu.org; Mon, 09 Jan 2023 12:36:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pEw42-0004EZ-9P; Mon, 09 Jan 2023 12:36:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Juri Linkov Original-Sender: "Debbugs-submit" Resent-CC: dgutov@yandex.ru, bug-gnu-emacs@gnu.org Resent-Date: Mon, 09 Jan 2023 17:36:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 60691 X-GNU-PR-Package: emacs X-Debbugs-Original-To: bug-gnu-emacs@gnu.org X-Debbugs-Original-Xcc: dmitry gutov Original-Received: via spool by submit@debbugs.gnu.org id=B.167328572016200 (code B ref -1); Mon, 09 Jan 2023 17:36:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 9 Jan 2023 17:35:20 +0000 Original-Received: from localhost ([127.0.0.1]:38091 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pEw3M-0004DE-CP for submit@debbugs.gnu.org; Mon, 09 Jan 2023 12:35:20 -0500 Original-Received: from lists.gnu.org ([209.51.188.17]:33332) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pEw3K-0004D6-TW for submit@debbugs.gnu.org; Mon, 09 Jan 2023 12:35:19 -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 1pEw3J-0007G0-8U for bug-gnu-emacs@gnu.org; Mon, 09 Jan 2023 12:35:17 -0500 Original-Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pEw3H-0005Eh-OE for bug-gnu-emacs@gnu.org; Mon, 09 Jan 2023 12:35:17 -0500 Original-Received: (Authenticated sender: juri@linkov.net) by mail.gandi.net (Postfix) with ESMTPSA id 3DADEC0009 for ; Mon, 9 Jan 2023 17:35:09 +0000 (UTC) Received-SPF: pass client-ip=217.70.183.198; envelope-from=juri@linkov.net; helo=relay6-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 autolearn=ham autolearn_force=no X-Spam_action: no action 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:253032 Archived-At: X-Debbugs-Cc: Dmitry Gutov After more rules were added recently to ruby-ts--font-lock-settings, font-lock became slow even on very small files. Some measurements: M-: (benchmark-run 1000 (progn (font-lock-mode -1) (font-lock-mode 1) (font-lock-ensure))) M-x ruby-mode (1.3564674989999999 0 0.0) M-x ruby-ts-mode (8.349582391999999 2 6.489918534000001) This is not a problem when files are visited infrequently, but becomes a problem for diff-syntax fontification that wants to highlight simultaneously many files from git logs. So a temporary measure would be not to enable ruby-ts-mode in internal buffers: (add-hook 'find-file-hook (lambda () (when (and (eq major-mode 'ruby-mode) ;; Only when not internal as from diff-syntax (not (string-prefix-p " " (buffer-name)))) (ruby-ts-mode))))