From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Daniel Colascione Newsgroups: gmane.emacs.devel Subject: Re: cc-mode fontification feels random Date: Wed, 09 Jun 2021 23:58:40 -0700 Message-ID: <179f4b73d00.2816.cc5b3318d7e9908e2c46732289705cb0@dancol.org> References: <73ff18bf-66dc-7d7a-a0db-8edc2cdceba8@gmx.at> <83o8cge4lg.fsf@gnu.org> <62e438b5-d27f-1d3c-69c6-11fe29a76d74@dancol.org> <83fsxsdxhu.fsf@gnu.org> <83pmwudgw3.fsf@gnu.org> <179f3aca300.2816.cc5b3318d7e9908e2c46732289705cb0@dancol.org> <83fsxqcipi.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="us-ascii" Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="37395"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: AquaMail/1.29.2-1810 (build: 102900008) Cc: acm@muc.de, emacs-devel@gnu.org, monnier@iro.umontreal.ca, rms@gnu.org, rudalics@gmx.at To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Jun 10 09:02:53 2021 Return-path: Envelope-to: ged-emacs-devel@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 1lrEiJ-0009VU-UZ for ged-emacs-devel@m.gmane-mx.org; Thu, 10 Jun 2021 09:02:52 +0200 Original-Received: from localhost ([::1]:35480 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lrEiH-0006Yt-Jg for ged-emacs-devel@m.gmane-mx.org; Thu, 10 Jun 2021 03:02:49 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58484) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrEeR-0004jn-0O for emacs-devel@gnu.org; Thu, 10 Jun 2021 02:58:51 -0400 Original-Received: from dancol.org ([2600:3c01:e000:3d8::1]:56908) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrEeO-0006cG-Tq; Thu, 10 Jun 2021 02:58:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=dancol.org; s=x; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Subject: References:In-Reply-To:Message-ID:Date:CC:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=EmYcDbIKnN34uEN6EtoMcTDIHQ5W8o30ZK1RWvb+H5A=; b=R26iiuCNBCBkoa8lZcgxKaA8TC D3wFVzzDaxPlo+YkNJhthn51wQLMONUEbRRcY2Wn14HvR1m6Kn2LzFDG5WgIXtLq7ZTWOwZj+dyJK DJAfIyp6XcvYacBrL2IxXjFZ2BMkgGue1YT8UW0IuP4lFpxwrSXCg2nX0ZeY5Mwyc0rkYf0HJyk96 TXAaMD5KzAUceLIeMewZ8FML8UoqTt30XM1EX3nSMDfAEV/APXnG3E5Bn8bFtp6SaLgubCig0DZib XuvHxIOUigxPHOmP4g6tXNkLH9uXBH9SAJmIf60MNEBvoQEKt0Ngvf59Z3wbwbxPH2bDlehH7mZGn 6JL7qbnw==; Original-Received: from 195.sub-174-193-168.myvzw.com ([174.193.168.195]:5782 helo=[100.93.253.121]) by dancol.org with esmtpsa (TLS1.2:ECDHE_RSA_CHACHA20_POLY1305:256) (Exim 4.89) (envelope-from ) id 1lrEeJ-000423-SZ; Wed, 09 Jun 2021 23:58:43 -0700 In-Reply-To: <83fsxqcipi.fsf@gnu.org> Received-SPF: pass client-ip=2600:3c01:e000:3d8::1; envelope-from=dancol@dancol.org; helo=dancol.org X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:270631 Archived-At: On June 9, 2021 11:55:45 PM Eli Zaretskii wrote: >> From: Daniel Colascione >> Date: Wed, 09 Jun 2021 19:21:23 -0700 >> Cc: rudalics@gmx.at, monnier@iro.umontreal.ca, rms@gnu.org, emacs-devel@gnu.org >> >>> By replacing these accurate functions with rough ones, the fontification >>> would be right most of the time, but a mess at other times (for example, >>> when there are big comments near point). (i) is more important for C++ >>> that C, but still makes a difference i >> >> Another option is adding core support to speed up these operations. I don't >> think we should be sacrificing correctness for speed. > > If speeding that up is feasible, sure, that's a better alternative. > Sacrificing correctness is a kind-of retreat, justified only when a > better solution is not at hand. Sure. But I started this thread not because cc-mode was slow, but because specific design choices led to inconsistent fontification. It'd be a shame for it to result in changes that made cc-mode even more inconsistent.