From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andrei Kuznetsov Newsgroups: gmane.emacs.devel Subject: Re: [SPAM UNSURE] Maybe we're taking a wrong approach towards tree-sitter Date: Wed, 28 Jul 2021 21:07:40 +0800 Message-ID: <877dhawpr7.fsf@163.com> References: <8735rzyzbz.fsf@163.com> <86v94v3xh9.fsf@stephe-leake.org> <87o8amy88o.fsf@163.com> <20210728123612.pr2ddrf6vmynknxn@Ergus> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3668"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Stephen Leake , emacs-devel@gnu.org To: Ergus Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Jul 28 15:08:35 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 1m8jIZ-0000n3-Jd for ged-emacs-devel@m.gmane-mx.org; Wed, 28 Jul 2021 15:08:35 +0200 Original-Received: from localhost ([::1]:56334 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m8jIY-0008AC-KJ for ged-emacs-devel@m.gmane-mx.org; Wed, 28 Jul 2021 09:08:34 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42936) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m8jHw-0007Di-48 for emacs-devel@gnu.org; Wed, 28 Jul 2021 09:07:56 -0400 Original-Received: from m12-16.163.com ([220.181.12.16]:51809) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m8jHp-00038N-Tg for emacs-devel@gnu.org; Wed, 28 Jul 2021 09:07:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-ID:MIME-Version; bh=UdTnm vWQPp8yjD7uGZylGmaVWgt5nsZADBkCb5rkrvM=; b=Ubmw2VN3IE1xltLXQK+ik ybvTbqxUAmE3LfUYGBdpUuiMxV0jLtyfNnadlgy9O+M+vJHO8Kv9Wk0AqE6bDbA+ CiRHZbaPrD119thPjQ3n747AoMPyQCo8rsTHIMaf9ZndX0vUZ9QcOAQG9WQU6oPq S97AZbc36s77X5i4COKwQE= Original-Received: from po-lus-librem-15 (unknown [61.172.31.87]) by smtp12 (Coremail) with SMTP id EMCowAB3zGGcVgFhqt3Y4g--.23028S2; Wed, 28 Jul 2021 21:07:41 +0800 (CST) In-Reply-To: <20210728123612.pr2ddrf6vmynknxn@Ergus> (Ergus's message of "Wed, 28 Jul 2021 14:36:12 +0200") X-CM-TRANSID: EMCowAB3zGGcVgFhqt3Y4g--.23028S2 X-Coremail-Antispam: 1Uf129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UbIYCTnIWIevJa73UjIFyTuYvjxU2WlkDUUUU X-Originating-IP: [61.172.31.87] X-CM-SenderInfo: rurskkarusmjiyx6il2tof0z/1tbiDx3dpFUMY8sA0gAAsI Received-SPF: pass client-ip=220.181.12.16; envelope-from=r12451428287@163.com; helo=m12-16.163.com X-Spam_score_int: 1 X-Spam_score: 0.1 X-Spam_bar: / X-Spam_report: (0.1 / 5.0 requ) BAYES_40=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, FROM_LOCAL_DIGITS=0.001, FROM_LOCAL_HEX=0.006, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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:271734 Archived-At: Ergus writes: > 1) Performance (discussed in the previous thread): FWIW I have been experimenting with an increcemental GLR parser generator in Emacs Lisp. While I have not put in the effort to couple it with font-lock and such, from anecdotal examination it does not perform badly with a naive C grammar. The initial parse does take several seconds on large files, but afterwards I did not notice a significant drop in editor responsiveness. > 2) Not reinvent the wheel. While tree-sitter may be nice and all, it doesn't seem to offer the usual extensibility expected from Emacs.