From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#45898: 27.1; wedged in redisplay again Date: Fri, 01 Jul 2022 18:43:46 +0300 Message-ID: <838rpcet3h.fsf@gnu.org> References: <46b65e3f-cf3d-a3f2-9a9a-100e58274ff6@jovi.net> <83zgigu3e0.fsf@gnu.org> <500e4b9c69f2a90e7cf05b956178d71b@webmail.orcon.net.nz> <835yl3tnv3.fsf@gnu.org> <83iloyo0x7.fsf@gnu.org> <83mte5jukr.fsf@gnu.org> <837d57gbed.fsf@gnu.org> <83o7yicx3p.fsf@gnu.org> <83pmir5lwc.fsf@gnu.org> <83mtdu68cl.fsf@gnu.org> <837d4yf18n.fsf@gnu.org> <835ykhflmr.fsf@gnu.org> <83ilohdmir.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13963"; mail-complaints-to="usenet@ciao.gmane.io" Cc: gerd.moellmann@gmail.com, psainty@orcon.net.nz, larsi@gnus.org, Emacs-hacker2018@jovi.net, 45898@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jul 01 17:44:14 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 1o7IoX-0003QD-IY for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 01 Jul 2022 17:44:13 +0200 Original-Received: from localhost ([::1]:36656 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o7IoV-0002zl-QK for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 01 Jul 2022 11:44:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35472) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o7IoM-0002za-AX for bug-gnu-emacs@gnu.org; Fri, 01 Jul 2022 11:44:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:45013) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1o7IoM-0003Vj-1k for bug-gnu-emacs@gnu.org; Fri, 01 Jul 2022 11:44:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1o7IoL-0006Yy-W0 for bug-gnu-emacs@gnu.org; Fri, 01 Jul 2022 11:44:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 01 Jul 2022 15:44:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 45898 X-GNU-PR-Package: emacs Original-Received: via spool by 45898-submit@debbugs.gnu.org id=B45898.165669022925198 (code B ref 45898); Fri, 01 Jul 2022 15:44:01 +0000 Original-Received: (at 45898) by debbugs.gnu.org; 1 Jul 2022 15:43:49 +0000 Original-Received: from localhost ([127.0.0.1]:38910 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1o7Io5-0006YG-Ef for submit@debbugs.gnu.org; Fri, 01 Jul 2022 11:43:49 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:50390) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1o7Io2-0006Y1-8e for 45898@debbugs.gnu.org; Fri, 01 Jul 2022 11:43:44 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:37298) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o7Inv-0003DV-IX; Fri, 01 Jul 2022 11:43:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=WbcZ7BXZoPFn4yK6kZLBsYIfmBHaoyo48JXWNFxpRzg=; b=WD3ipyniDQH1 oP9w8qqe0G6p5cINUn2o7KLoGbsJ4OisFBi9k4BhVd1mfnA6iLAOjpw8sJICOsAXtsVprBNZ4DZ1Y Zn+VzBoEaBKtud/YlFoIyw/wmSSVx0Y14dvyUtTT6hh/WzJprClOslPpGVHSk5O0U4/65bQcepZ3q Kg7G4Hd+qvYIBwU/TU8GAzwZ0+tTfGwi7wg3lRSofzMri4FLbelCnncmB/qhVpH2zIeyaE1TITK82 PKPPZzXaPhZcSY2+Ta66Pqc0n2yljD+A8phAsLF/kPq802SSf3akbBMe5I+y9LscdufrzeA5qB8rG k6CzDB+7wFRrz+CVCceHNg==; Original-Received: from [87.69.77.57] (port=3276 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o7Inv-0001zC-1y; Fri, 01 Jul 2022 11:43:35 -0400 In-Reply-To: (message from Stefan Monnier on Fri, 01 Jul 2022 10:38:37 -0400) 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" Xref: news.gmane.io gmane.emacs.bugs:235818 Archived-At: > From: Stefan Monnier > Cc: gerd.moellmann@gmail.com, larsi@gnus.org, psainty@orcon.net.nz, > Emacs-hacker2018@jovi.net, 45898@debbugs.gnu.org > Date: Fri, 01 Jul 2022 10:38:37 -0400 > > > In scan_sexps_forward, near the end: if too many "ticks" are counted, > > update_redisplay_ticks will signal an error. Same thing in > > re_match_2_internal. > > Ah... neat, thanks! > Indeed, I can see the effect with: > > src/emacs -Q --eval '(setq syntax-wholeline-max most-positive-fixnum)' \ > --eval '(setq max-redisplay-ticks 100000)' \ > ~/tmp/medium_line.json > > in which case I get a warning about redisplay taking too long, whereas with: > > src/emacs -Q --eval '(setq max-redisplay-ticks 100000)' \ > ~/tmp/medium_line.json > > I don't (because the `syntax-wholeline-max` keeps the font-lock time > under control). Good, so this change does have the expected effect.