From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Ihor Radchenko Newsgroups: gmane.emacs.devel Subject: Re: [PATCH] Re: Make peg.el a built-in library? Date: Sun, 05 Feb 2023 15:45:12 +0000 Message-ID: <87v8kgce0n.fsf@localhost> References: <875yvtbbn3.fsf@ericabrahamsen.net> <877d07a16u.fsf@localhost> <87tu3asg2r.fsf@ericabrahamsen.net> <87edud25ov.fsf@localhost> <87a6511ku0.fsf@ericabrahamsen.net> <87wn85z0zl.fsf@ericabrahamsen.net> <87leobplpv.fsf_-_@ericabrahamsen.net> <87o7r5ikpm.fsf@web.de> <87bkn5wl7o.fsf@localhost> <87a62p2v3c.fsf@web.de> <874js0e2jm.fsf@localhost> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35955"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Michael Heerdegen , emacs-devel@gnu.org To: Eduardo Ochs Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Feb 05 16:45:19 2023 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 1pOhCh-00098x-5Z for ged-emacs-devel@m.gmane-mx.org; Sun, 05 Feb 2023 16:45:19 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pOhCA-0007QZ-RG; Sun, 05 Feb 2023 10:44:46 -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 1pOhC9-0007QB-BM for emacs-devel@gnu.org; Sun, 05 Feb 2023 10:44:45 -0500 Original-Received: from mout01.posteo.de ([185.67.36.65]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pOhC7-0004iy-BU for emacs-devel@gnu.org; Sun, 05 Feb 2023 10:44:45 -0500 Original-Received: from submission (posteo.de [185.67.36.169]) by mout01.posteo.de (Postfix) with ESMTPS id 3699C2400CA for ; Sun, 5 Feb 2023 16:44:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1675611880; bh=hFPG5zkgE7Y7D5Qo2ANpByJKYI8DK5t13cxar1LmoWQ=; h=From:To:Cc:Subject:Date:From; b=nIch9zGTDNYSkqztvAUFSgcCajaRt0iwCXqRW3aYhkP03Hw5o/7xmH+mkDGyDMhE5 Gb/txmboeoIUKPtdUfesiRbv8qYsT0qYwCjngjDRIVa/5BKVS3OYrxEd8NAdV0ZyoN Anj541QkOVJsvMiPqDI1vXu7gIbN9rK3/zYG4J7bnMpP78+L+P0mT3GBdVop0XOtSA qPx3lpQWIr26qgKnf2CiJXkPPTLN6sjTZZlmbq9LTAyIZWZeReQOppPXvd5P3xUX/M +c5ytTuEJU6RKFl+xPNZcW8X0N0QM1b0pzygJ0QIaEbPUMrjtuvr8sAsByDsVfFvrT mLo4jGd0UQhPw== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4P8txK12qFz9rxD; Sun, 5 Feb 2023 16:44:37 +0100 (CET) In-Reply-To: Received-SPF: pass client-ip=185.67.36.65; envelope-from=yantar92@posteo.net; helo=mout01.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, 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:303003 Archived-At: Eduardo Ochs writes: >> > AFAIR not all Emacs regexp features work in PEGs - backrefs for example. >> > Or match data handling. >> >> Sure. But if we make Emacs regexp a valid PEG construct, they will work. >> It is the whole point. > > I played a bit with peg.el some time ago - it is very elegant and it's > very easy to inspect how it does things, but it is much slower than > Lua's LPEG... What do you mean by slower? -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at