From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stephen Leake Newsgroups: gmane.emacs.devel Subject: Re: How to add pseudo vector types Date: Sat, 24 Jul 2021 02:42:24 -0700 Message-ID: <86wnpg82v3.fsf@stephe-leake.org> References: <83h7gw6pyj.fsf@gnu.org> <45EBF16A-C953-42C7-97D1-3A2BFEF7DD01@gmail.com> <83y2a764oy.fsf@gnu.org> <83v95b60fn.fsf@gnu.org> <00DD5BFE-D14E-449A-9319-E7B725DEBFB3@gmail.com> <83r1fz5xr9.fsf@gnu.org> <1AAB1BCC-362B-4249-B785-4E0530E15C60@gmail.com> <83czri67h0.fsf@gnu.org> <46BBFF88-76C3-4818-8805-5437409BEA93@gmail.com> <83wnpq46uk.fsf@gnu.org> <533BD53B-4E85-4E9E-B46A-346A5BBAD0F5@gmail.com> <258CB68D-1CC1-42C8-BDCD-2A8A8099B783@gmail.com> <1a776770-50b7-93cd-6591-c9a5b3a56eb8@gmail.com> <8335s64v10.fsf@gnu.org> <5380C92B-6C15-4490-A1E0-1C3132DBB16A@gmail.com> <83k0li2shw.fsf@gnu.org> 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="14591"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (windows-nt) Cc: Yuan Fu , emacs-devel@gnu.org, cpitclaudel@gmail.com, monnier@iro.umontreal.ca To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Jul 24 11:43:22 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 1m7EBl-0003ZR-5O for ged-emacs-devel@m.gmane-mx.org; Sat, 24 Jul 2021 11:43:21 +0200 Original-Received: from localhost ([::1]:38994 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m7EBj-00019N-Bq for ged-emacs-devel@m.gmane-mx.org; Sat, 24 Jul 2021 05:43:19 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37534) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m7EAy-0000PK-6E for emacs-devel@gnu.org; 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envelope-from=stephen_leake@stephe-leake.org; helo=gateway22.websitewelcome.com X-Spam_score_int: -8 X-Spam_score: -0.9 X-Spam_bar: / X-Spam_report: (-0.9 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_PASS=-0.001, SPF_NEUTRAL=0.779 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:271533 Archived-At: Eli Zaretskii writes: >> From: Yuan Fu >>=20 >> Yes, I meant to discuss this. The problem with respecting narrowing >> is that, a user can freely narrow and widen arbitrarily, and Emacs >> needs to translate them into insertion & deletion of the buffer text >> for tree-sitter, every time a user narrows or widens the buffer. >> Plus, if tree-sitter respects narrowing, it could happen where a >> user narrows the buffer, the font-locking changes and is not correct >> anymore. Maybe that=E2=80=99s not the user want. Also, if someone narrows >> and widens often, maybe narrow to a function for better focus, >> tree-sitter needs to constantly re-parse most of the buffer. These >> are not significant disadvantages, but what do we get from >> respecting narrowing that justifies code complexity and these small >> annoyances? > > But that's how the current font-lock and indentation work: they never > look beyond the narrowing limits.=20=20 And that's broken, unless the narrowing is for multi-major-mode. --=20 -- Stephe