From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Yuan Fu Newsgroups: gmane.emacs.devel Subject: Re: How to add pseudo vector types Date: Mon, 26 Jul 2021 15:06:14 -0400 Message-ID: <2F54BF2A-702C-414B-8B9A-12AEAFBF4DA2@gmail.com> References: <83h7gw6pyj.fsf@gnu.org> <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> <86wnpg82v3.fsf@stephe-leake.org> <83lf5wyn0z.fsf@gnu.org> <86pmv66yqg.fsf@stephe-leake.org> <83a6maw705.fsf@gnu.org> <83r1fluikh.fsf@gnu.org> <88007ACB-31E5-440F-876D-9F43C8EE02CC@gmail.com> <83pmv4vr9u.fsf@gnu.org> Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.60.0.2.21\)) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="37485"; mail-complaints-to="usenet@ciao.gmane.io" Cc: cpitclaudel@gmail.com, Stephen Leake , monnier@iro.umontreal.ca, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Jul 26 21:07:09 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 1m85wT-0009dU-1T for ged-emacs-devel@m.gmane-mx.org; Mon, 26 Jul 2021 21:07:09 +0200 Original-Received: from localhost ([::1]:35812 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m85wS-0006fs-1w for ged-emacs-devel@m.gmane-mx.org; Mon, 26 Jul 2021 15:07:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40394) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m85vg-0005g5-Bl for emacs-devel@gnu.org; Mon, 26 Jul 2021 15:06:20 -0400 Original-Received: from mail-qt1-x831.google.com ([2607:f8b0:4864:20::831]:41513) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m85vd-0007D0-I3; Mon, 26 Jul 2021 15:06:19 -0400 Original-Received: by mail-qt1-x831.google.com with SMTP id t18so7771978qta.8; Mon, 26 Jul 2021 12:06:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=IwLXOLnHyK46yUMf1FriTFKokd/OD5O48dJBP6FW8G0=; b=HN67dp1Wt0HYCuoEgBfrRq/PTQpWyhaygENY24q++kuBm1wKXQqCipfOu+9+ah4Nh2 ZOoe+Ye8Bu1knFZ8lLX3dL9SFLxCR43hZ2ZIzbV/kp47+QnAXFWeNAYZ/l9IoBT2KNs2 KTLZsiKrGa42Wjun+RK39/FsXh6BFxn4aXy55jdWJ3psnmZBpTKgx/AX4x0+0lFfpPcV ywiQJDMHS8DEHMug1N8nyhMRMdhVrOEbix4vhVn52p0bCKmKI847uPhBjEqyvNKYW6ld FYOuk9bEnunCZVlfPx80AO2+ARtPMrYSJytwZGzhVfNufFw7rN9mcG0/CpTYXqc0E896 PG+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=IwLXOLnHyK46yUMf1FriTFKokd/OD5O48dJBP6FW8G0=; b=jy6+TShp3ctANSAo27nw2aQF3Mw6jr5ogE61TKjLQhHGMWy+7Od/uUuZyNCEkuJJmw Gt74wUDkvsVju0ULaztsEqLG26uXrxTnEvlhmTOT6xauSl9MNcNNV8Sb5R1SXNBPTEjr hQUGSPjPVX3O2KustB0AxguRj1ZSFLM+UCaEoBqxrn/7tr1OfWi6SpgMlDUV9gH24zyY wH11n84KDzs0tL2KVEmjsAwr3w7CDwcmZXOsDALyOwTfOWUj5uT4ZfTR9lWtgmdjrSPc KyOEic1RYfjqkKa+cbGiaPEEJyp9S5YAoQas+9VrmBIV/9i/3Lc6YDuImJ9Y8v+mVhY1 Znrw== X-Gm-Message-State: AOAM530XK6RDz2HqffgXPEaf7SnSiKqaustKeR4UrHHKYJ1+XzXBHOzy OAg9XFaXrGhfb4FGYaHL7XiD6y4lBO7X2w== X-Google-Smtp-Source: ABdhPJwWvlr3eHVe+7tH5K7OW7Gzj2t3PkYQJ8yzUzDgVeyuG0ynWCuJaPCAIz1myjxdt7T3J6UcZA== X-Received: by 2002:ac8:7b52:: with SMTP id m18mr16292718qtu.131.1627326376165; Mon, 26 Jul 2021 12:06:16 -0700 (PDT) Original-Received: from 2603-7080-0302-635e-540d-2222-3fe9-1314.res6.spectrum.com (2603-7080-0302-635e-540d-2222-3fe9-1314.res6.spectrum.com. [2603:7080:302:635e:540d:2222:3fe9:1314]) by smtp.gmail.com with ESMTPSA id f62sm415937qke.135.2021.07.26.12.06.15 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Jul 2021 12:06:15 -0700 (PDT) In-Reply-To: <83pmv4vr9u.fsf@gnu.org> X-Mailer: Apple Mail (2.3654.60.0.2.21) Received-SPF: pass client-ip=2607:f8b0:4864:20::831; envelope-from=casouri@gmail.com; helo=mail-qt1-x831.google.com 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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:271659 Archived-At: >=20 >>> If we let TS look where it wants, we will lose the ability to = restrict >>> it to a certain part of the buffer text. This is needed at least = for >>> some specialized modes, and is generally desirable, as it gives Lisp >>> programs an easy way to impose such restrictions whenever they need. >>=20 >> Tree-sitter lets you set ranges for a parser to limit it self within, = in order to support multi-language files. >=20 > That's okay, but why would we want to expose this to Lisp as the means > to restrict the accessible portion, when we already have such a means? Tree-sitter lets you set multiple discontinuous ranges, whereas = narrowing can only narrow to a single continuous range. Multiple = discontinuous range is much more useful for HTML+CSS+JS, or PHP + HML. Yuan=