From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Kangas Newsgroups: gmane.emacs.bugs Subject: bug#58979: treesitter-regression with json-mode Date: Sat, 12 Nov 2022 12:34:03 -0800 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38987"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Yuan Fu , 58979@debbugs.gnu.org To: Johann =?UTF-8?Q?H=C3=B6chtl?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 12 21:35:44 2022 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 1otxE8-0009zY-Cz for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 12 Nov 2022 21:35:44 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1otxDm-0001E0-FZ; 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Sat, 12 Nov 2022 12:34:03 -0800 In-Reply-To: ("Johann =?UTF-8?Q?H=C3=B6chtl?="'s message of "Wed, 2 Nov 2022 17:16:08 +0100") X-Hashcash: 1:20:221112:casouri@gmail.com::lz1X7gFCGuuqYs9v:7Wdg 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:247693 Archived-At: Johann H=C3=B6chtl writes: > When I open a large json file (about 3_000_000 lines, about 72Mb, > pretty-printed) Emacs 29.0.50 opens the file just fine in > `js-json-mode` and when using regexp-based font locking, it works > well. > > When I force this buffer into javascript-mode, Emacs hangs. Memory > consumption as reported by Windows task manager "dances" around 2Gb, > yet even after waiting for three minutes, Emacs doesn't get responsive > any more. > > I consider this an unfortunately regression as recent commits to Emacs > 29 (long lines patches) actually makes working with such large files > with long lines absolutely pleasant, yet as it seems the interaction > with tree-sitter destroys this gains. Copying in Yuan Fu.