From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#60953: The :match predicate with large regexp in tree-sitter font-lock seems inefficient Date: Tue, 31 Jan 2023 05:23:49 +0200 Message-ID: <83sffr2xq2.fsf@gnu.org> References: <7624dddc-4600-9a03-ac8b-d3c9e0ab618c@yandex.ru> <04729838-b7d4-8a08-2b71-12536a28aebb@yandex.ru> <83wn5ag4nc.fsf@gnu.org> <01b5d074-fb12-6b1f-cbfb-5e759833b854@yandex.ru> <838rhpg57n.fsf@gnu.org> <5026D975-983F-4D18-8690-BE139C92825D@gmail.com> <83pmb1emxi.fsf@gnu.org> <6f318afc-ca71-8b7e-c822-52e6635b5718@yandex.ru> <83sffxcfxw.fsf@gnu.org> <83pmb1cbg5.fsf@gnu.org> <2da844d3-ea31-289e-2821-aa174e365ffd@yandex.ru> <6784f9e7-844b-374d-2a1e-8a61cebe0d7e@yandex.ru> <83zga03yne.fsf@gnu.org> <373a575f-c683-1581-c3e6-502e9897fb04@yandex.ru> <83mt603vrc.fsf@gnu.org> <83e58a1b-2e4a-356a-36d8-c756ff105b62@yandex.ru> <83bkmf52va.fsf@gnu.org> <33cad4c1-4af5-37bb-05bc-79a4d9c1a700@yandex.ru> <83wn533lut.fsf@gnu.org> <19892f55-498e-1109-2229-2ddd984849a4@yandex.ru> <83tu073ksp.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7478"; mail-complaints-to="usenet@ciao.gmane.io" Cc: casouri@gmail.com, 60953@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jan 31 04:25:22 2023 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 1pMhGr-0001ip-86 for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 31 Jan 2023 04:25:21 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pMhGb-0002Os-EU; Mon, 30 Jan 2023 22:25:05 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pMhGY-0002OV-S8 for bug-gnu-emacs@gnu.org; Mon, 30 Jan 2023 22:25:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pMhGY-0000sf-Bq for bug-gnu-emacs@gnu.org; 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Mon, 30 Jan 2023 22:24:03 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pMhFU-0000mU-3T; Mon, 30 Jan 2023 22:23:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=F1NsgQf2/PXar52dCSQ94rJTGuwq4WUgLRn+RX/OVOc=; b=fDYYW5q5vsYm wI5Z7mxjAbstXzwcWj0ajkhMq9gH/D/goao6WfnzsPSsR4vLR7NUyPZ5yFVhxAeDJigw39dkZ+2rq 3ZSF3FUGspeW5he1E4H1aSmo5k4XyawgUYDVUaROWkVbAl4Ik1jVfoh9evlwABKXsfKEYsXmglr6L UMxwn83P17lyZ1QnylKkzDRApAgt1PsmHI5PjX9WAYIPf96/h2C8hCCfn3S8zNtoYfuHk+Vs6dL33 HIufJz1O41XtXPhtGbgNrKvUjacD0fFVHEvp0GZ2j7JHTpLDomdfTw/+lbqGeCzkyCPpjOflc5mgU 4nBFAV7fF5BTxC/Oumhp9w==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pMhFT-0000b9-Jj; Mon, 30 Jan 2023 22:23:55 -0500 In-Reply-To: (message from Dmitry Gutov on Mon, 30 Jan 2023 21:58:22 +0200) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:254500 Archived-At: > Date: Mon, 30 Jan 2023 21:58:22 +0200 > Cc: casouri@gmail.com, 60953@debbugs.gnu.org > From: Dmitry Gutov > > On 30/01/2023 21:05, Eli Zaretskii wrote: > >> Date: Mon, 30 Jan 2023 21:01:02 +0200 > >> Cc:casouri@gmail.com,60953@debbugs.gnu.org > >> From: Dmitry Gutov > >> > >> But that doesn't answer the question "Could it?". > > I don't understand what you are asking. "Could" in what sense? > > Like, would it make sense to try to modify it that way, or extract a > function that would do that, without writing it from scratch. > > Or create a new function which would reuse some common code. > > We would call the new function something like match_buffer_substring. > Optionally, also expose it to Lisp. Can you describe what that function should do? I don't think I have a clear idea of that.