From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Philip Kaludercic Newsgroups: gmane.emacs.devel Subject: Re: Tree-sitter introduction documentation Date: Fri, 30 Dec 2022 11:00:48 +0000 Message-ID: <87358xb1gf.fsf@posteo.net> References: <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> <6c9d91cffc5a0ed2c6b9@heytings.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14737"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Yuan Fu , Stefan Monnier , Eli Zaretskii , Dmitry Gutov , Tim Cross , emacs-devel@gnu.org To: Gregory Heytings Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Dec 30 12:01:04 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 1pBD8K-0003i1-E7 for ged-emacs-devel@m.gmane-mx.org; Fri, 30 Dec 2022 12:01:04 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pBD86-0007LF-KT; Fri, 30 Dec 2022 06:00:50 -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 1pBD82-0007Kx-7s for emacs-devel@gnu.org; Fri, 30 Dec 2022 06:00:47 -0500 Original-Received: from mout02.posteo.de ([185.67.36.66]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pBD80-0004R5-Oo for emacs-devel@gnu.org; Fri, 30 Dec 2022 06:00:46 -0500 Original-Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id 727C42401F5 for ; Fri, 30 Dec 2022 12:00:43 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1672398043; bh=DvJxg/5gPfwZ7g7QnNj88iIqXPtvFhvfiX5R0CrlHSc=; h=From:To:Cc:Subject:Date:From; b=fOJ5pDW2SyYushRO1OAY22BGDuiYxQ2sPKmCocW26TqACLgUUvgfhDfbddQX9frWy mGctr7nWwkzjgnXQIYhFkXpVUCrhAlDE4MPMePnX9MW5dzBkiRs2FTuNipp8mt21oA U1qjHL+QO7oZkB6cjUcFeTiPUasvUe8zTfaF3/GC0BCaolH1udwZ69PB+5bcqbT1je 6UqJbpgSGeEDf3F6dvsiRgim0mVc1gsfGOcYQhL0PQQ5ohTcLQVDmB8Wr5QxhNNqD5 C9G5e9z0i36ghfqgqaIhxWNObkLM/VRzMnCvDkK0ZL4TjeI8rsZSBPdll3NdWtjLv5 SwFhuCg72vEQQ== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4Nk2Np2mLfz9rxR; Fri, 30 Dec 2022 12:00:42 +0100 (CET) In-Reply-To: <6c9d91cffc5a0ed2c6b9@heytings.org> (Gregory Heytings's message of "Fri, 30 Dec 2022 01:01:22 +0000") Received-SPF: pass client-ip=185.67.36.66; envelope-from=philipk@posteo.net; helo=mout02.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, 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: 2.1.29 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:302091 Archived-At: Gregory Heytings writes: >> >> 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. I should have clarified this further up in the thread, but I did try this out and confirmed that it does work (or at least I hope I did say that). I didn't have a nice script like you give here, but that this is possible was clear.