From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stephen Leake Newsgroups: gmane.emacs.devel Subject: Re: Using incremental parsing in Emacs Date: Sun, 05 Jan 2020 09:07:40 -0800 Message-ID: <86h819hlwj.fsf@stephe-leake.org> References: <83blrkj1o1.fsf@gnu.org> <20200105141900.GA71296@breton.holly.idiocy.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="213552"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (windows-nt) To: emacs-devel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Jan 05 18:08:16 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1io9Nw-000tQt-BF for ged-emacs-devel@m.gmane.org; Sun, 05 Jan 2020 18:08:16 +0100 Original-Received: from localhost ([::1]:43808 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1io9Nu-00062X-LY for ged-emacs-devel@m.gmane.org; Sun, 05 Jan 2020 12:08:14 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33642) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1io9NQ-0005aF-Vi for emacs-devel@gnu.org; Sun, 05 Jan 2020 12:07:45 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1io9NQ-0007vB-1U for emacs-devel@gnu.org; Sun, 05 Jan 2020 12:07:44 -0500 Original-Received: from gateway20.websitewelcome.com ([192.185.66.3]:23413) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1io9NP-0007tw-Ta for emacs-devel@gnu.org; Sun, 05 Jan 2020 12:07:44 -0500 Original-Received: from cm13.websitewelcome.com (cm13.websitewelcome.com [100.42.49.6]) by gateway20.websitewelcome.com (Postfix) with ESMTP id BD497400C6CCB for ; Sun, 5 Jan 2020 09:56:02 -0600 (CST) Original-Received: from host2007.hostmonster.com ([67.20.76.71]) by cmsmtp with SMTP id o9NOiT3lG3Qi0o9NOiH4Tp; Sun, 05 Jan 2020 11:07:42 -0600 X-Authority-Reason: nr=8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=stephe-leake.org; s=default; h=Content-Type:MIME-Version:Message-ID: In-Reply-To:Date:References:Subject:To:From:Sender:Reply-To:Cc: Content-Transfer-Encoding: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=WPpg1wxABsbv9XCJ2T7uQ0OtD0EpdaGU+9kvtnSUQ+k=; b=KAaeuZ/d/SK3PaHX+40I+cw/l 9XRg4Hzx3eY7xK+v6PuckHcIwSVRCywwFdP+Omf/vTvhUGbNtCW4LMyhduw4jih/n2/vSssghDBwm Q55Y4oimNFBnUaCBYW16OeokpWgsKX/NmN+Nlynr3YwYgEwmWutkEiVsF5ALcg04ZdY6CL5MPbRXZ kFbtzGIAiBPq2FN7Rcs5CljD6YOIn7dWAWVK/6waMMhV9i/IbqbPUqDbnRho7T9fKz38jC9rQSwo0 0KjdHCfhrZfWGLp7B0H5siCtuuOtCheeL1NRQpe0F6DX6ZEFEmUMzCEFiYpIHIPurNqBfyyFNM4vY dOvAlXGAQ==; Original-Received: from [76.77.182.20] (port=57417 helo=Takver4) by host2007.hostmonster.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92) (envelope-from ) id 1io9NN-002FEW-UE for emacs-devel@gnu.org; Sun, 05 Jan 2020 10:07:42 -0700 In-Reply-To: <20200105141900.GA71296@breton.holly.idiocy.org> (Alan Third's message of "Sun, 5 Jan 2020 14:19:00 +0000") X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - host2007.hostmonster.com X-AntiAbuse: Original Domain - gnu.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - stephe-leake.org X-BWhitelist: no X-Source-IP: 76.77.182.20 X-Source-L: No X-Exim-ID: 1io9NN-002FEW-UE X-Source-Sender: (Takver4) [76.77.182.20]:57417 X-Source-Auth: stephen_leake@stephe-leake.org X-Email-Count: 2 X-Source-Cap: c3RlcGhlbGU7c3RlcGhlbGU7aG9zdDIwMDcuaG9zdG1vbnN0ZXIuY29t X-Local-Domain: yes X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 192.185.66.3 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:243984 Archived-At: Alan Third writes: > On Sat, Jan 04, 2020 at 03:43:13PM -0500, Stefan Monnier wrote: >> I'm pretty far behind in my backlog, so can't say much yet, but IMO the >> design of some "next generation font-lock / syntax-ppss / indentation / >> navigation" infrastructure should start by considering the use of >> multiple CPUs. That's actually one of the benefits of the LSP approach ;-) > > My understanding is that tree sitter also supports parallel parsing of > a single file. Can you point to some literature on this? I've never heard of parallel parsing (other than a generalized LR parser, which is _not_ a speed up :). -- -- Stephe