From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#56682: Fix the long lines font locking related slowdowns Date: Wed, 03 Aug 2022 16:38:57 -0400 Message-ID: References: <8c7321f2f3400a5db9be@heytings.org> <8c7321f2f388e5343475@heytings.org> <6ea376f6-d503-06d8-6d83-50c52b695394@yandex.ru> <8c7321f2f3ac52bfee4b@heytings.org> <8c7321f2f3ec1ef81af9@heytings.org> <02e83b0e-1b5c-fe75-6e59-1f8ddff82d37@yandex.ru> <96f28fd8-6744-1925-0631-0095099362dd@yandex.ru> <74ddc877f1b74ab56d18@heytings.org> <83r11y5a9d.fsf@gnu.org> <83h72t5y2d.fsf@gnu.org> Reply-To: Stefan Monnier Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20210"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: 56682@debbugs.gnu.org, gregory@heytings.org, dgutov@yandex.ru To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Aug 03 22:40:41 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 1oJLAX-00055e-2U for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 03 Aug 2022 22:40:41 +0200 Original-Received: from localhost ([::1]:46882 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oJLAV-0007SK-Kk for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 03 Aug 2022 16:40:39 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40544) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJL9x-0007QR-9T for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 16:40:06 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:60321) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oJL9v-0004aA-SB for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 16:40:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oJL9u-00057G-Gp for bug-gnu-emacs@gnu.org; Wed, 03 Aug 2022 16:40:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 03 Aug 2022 20:40:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 56682 X-GNU-PR-Package: emacs Original-Received: via spool by 56682-submit@debbugs.gnu.org id=B56682.165955916319615 (code B ref 56682); Wed, 03 Aug 2022 20:40:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 3 Aug 2022 20:39:23 +0000 Original-Received: from localhost ([127.0.0.1]:50070 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJL9H-00056I-C3 for submit@debbugs.gnu.org; Wed, 03 Aug 2022 16:39:23 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:9230) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oJL9B-00055u-UL for 56682@debbugs.gnu.org; Wed, 03 Aug 2022 16:39:22 -0400 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 6350A44157B; Wed, 3 Aug 2022 16:39:12 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 6B8C5441D1E; Wed, 3 Aug 2022 16:39:06 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1659559146; bh=NXA09sfebzLRDDSWyZrfFLS2AD4OwtQQe3zD1qGtMns=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=FK3Eu2ynt8Pq6t/4qdFahKb8dQ4kPVwY+kPhAG0y5Wy7yFC7Rh0wNFsi/DEWpUU3A rmZ9AYr2rnQBj7NC3Xu3anVQAo44MHSu9Konh21xGBQ+PBgs4TEwWusCXKfLno+VsI 9lRZiT4uUNpSdJyPcgRiaIra5lVlsTsOLJ87qFf430+oK6wxrDGReEXOtNM0yax7lb fJyQMaBSyEQLXIysiuFc6Lu7C0yXNqqRfv8V83JNrwKsuWsPrkAdpce/I4fvdo/0NJ 0dS58cu/GrWhfkV8Lbzez9WsSi6ZnifJEZbBvSBjJ9dnqUO0ItCLfq2P7SF6/oRLBK SJOAzzoFpF2Mg== Original-Received: from milanesa (unknown [46.44.221.102]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 628D11202F2; Wed, 3 Aug 2022 16:39:05 -0400 (EDT) In-Reply-To: <83h72t5y2d.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 03 Aug 2022 15:08:42 +0300") 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:238651 Archived-At: > What about parse-partial-sexp, which calls scan_sexps_forward? It > looks like I've misremembered, and that was the culprit in the > scenario we discussed, see > https://debbugs.gnu.org/cgi/bugreport.cgi?bug=45898#92. The wholelines problem did not kick in because of PPS nor `syntax-ppss` but because of font-lock (which then called `syntax-ppss` which then called PPS). Stefan