From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.devel Subject: Re: Tree-sitter introduction documentation Date: Fri, 30 Dec 2022 01:01:22 +0000 Message-ID: <6c9d91cffc5a0ed2c6b9@heytings.org> References: <831qozjob7.fsf@gnu.org> <87cz8jxoat.fsf@ledu-giraud.fr> <83wn6ri7pn.fsf@gnu.org> <5e0a3185-de82-b339-0fa2-956779e63d6f@cornell.edu> <868rj6vfep.fsf@gmail.com> <4895891b-e5ea-9c37-f51b-df2e479ee758@yandex.ru> <83y1qt11xq.fsf@gnu.org> <9eb013da-d0fc-8e17-c6e3-1e8f913aebfa@yandex.ru> <83pmc50xxc.fsf@gnu.org> <71cfe4e8-3bb8-b0a6-9be5-8c0a6d92cfab@yandex.ru> <83h6xg29z3.fsf@gnu.org> <838ris22n4.fsf@gnu.org> <8335901zz3.fsf@gnu.org> <87cz84y5le.fsf@posteo.net> <3F91FDEA-881A-49DB-BB52-5A0D81C004CE@gmail.com> <87k02aihrz.fsf@posteo.net> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="25062"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Yuan Fu , Stefan Monnier , Eli Zaretskii , Dmitry Gutov , Tim Cross , emacs-devel@gnu.org To: Philip Kaludercic Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Dec 30 02:02:30 2022 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 1pB3n4-0006Gl-4M for ged-emacs-devel@m.gmane-mx.org; Fri, 30 Dec 2022 02:02:30 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pB3mD-0008H9-Bv; Thu, 29 Dec 2022 20:01:37 -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 1pB3m6-0008Gj-DR for emacs-devel@gnu.org; Thu, 29 Dec 2022 20:01:34 -0500 Original-Received: from heytings.org ([95.142.160.155]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pB3m3-0002JP-E3; Thu, 29 Dec 2022 20:01:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1672362083; bh=ao2ufhtyddUxGgtNU47dC3zQlh5HpGeJQJfiFCsybcU=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=VO39TrDm1771iBPOKTDiuoV+Q+hPMVkvYCejOpCJY/T0kjWxVlN5xwW6XEo2rhSsh S4n+TlGfcF6OvpRExIQ9HBM9RIK+5FYerCCSKEg36AqfJXhH2Zoe3QoVpGT0rQ/qsh yYTPq7/MIBcABQic8og+qavDUTofWo17T+f+uriKm+nkGM3xEjdArz5713gtwbn82Y +C7wH0Vw0PoR+E8X0Y2oAAep4srkOGZE+fMCEapfZytlAhr/TkqH2VmGW+ZQ0UuyPr nfN1zTTC61YZXcZW+IICeuttBW42wnKE+sgKALDUeAzeYzprHHncpBWDYyvXkIj7Jv brq3hvVuEdJEw== In-Reply-To: <87k02aihrz.fsf@posteo.net> Received-SPF: pass client-ip=95.142.160.155; envelope-from=gregory@heytings.org; helo=heytings.org 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, SPF_HELO_PASS=-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: 2.1.29 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:302073 Archived-At: > > As I said before, it seems that it is possible to evaluate the grammar > files that use the DSL using something like quickjs as well, which is > easier to build > You asked for it, so here it is: global = {} module = {} process = { env: { TREE_SITTER_GRAMMAR_PATH: './grammar.js' } } function require(s) { std.loadScript(s); return module.exports; } std.loadScript('/path/to/the/script/dsl.js') Put these five lines in a file, say "gen.js", cd in the directory of a tree-sitter- repository, and type qjs --std /path/to/the/script/gen.js > src/grammar.json For simple grammars (bash, c, cmake, csharp, css, dockerfile, go, go-mod, java, js, json, python, rust, yaml), this will work out of the box. For more complex ones (c++, toml, tsx, typescript), you'll need to edit the grammar.js file. That is left as an exercise for the reader. Disclaimer: this is NOT what I recommend anyone to do! TRT is to install and use Node.js, at least if you want to spare yourself headaches.