From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.devel Subject: Re: Make peg.el a built-in library? Date: Sat, 09 Oct 2021 07:28:05 +0200 Message-ID: <87zgri22e2.fsf@web.de> References: <875yvtbbn3.fsf@ericabrahamsen.net> <87a6jjc7c8.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15842"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: Stefan Monnier , emacs-devel@gnu.org To: Eric Abrahamsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Oct 09 07:29:08 2021 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 1mZ4uy-0003x9-8t for ged-emacs-devel@m.gmane-mx.org; Sat, 09 Oct 2021 07:29:08 +0200 Original-Received: from localhost ([::1]:58198 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mZ4uw-0007H2-4i for ged-emacs-devel@m.gmane-mx.org; Sat, 09 Oct 2021 01:29:06 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60290) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mZ4uG-0006bx-RN for emacs-devel@gnu.org; Sat, 09 Oct 2021 01:28:24 -0400 Original-Received: from mout.web.de ([212.227.15.3]:47681) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mZ4uF-00069f-5w for emacs-devel@gnu.org; Sat, 09 Oct 2021 01:28:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1633757287; bh=4QtuTeANwJvMo7Boif0piRNu4iRRzMmIRVD9ZLO5OZI=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=VLM73u/0H0hv0jM3ABeWns4WvjdWXXn0K9G/Zff8uKfPPa93aWavXpfKZfUUFKjBI KPojjguSKNY02kQ6nULCzW3fwmXkv+6IH1kubXx0v3sNqpNkI5II0A6EZ2jEYJ7xJo sgyt8rWKuOZRnhG4h6XgsuHPxriDfuMmIOBco09Q= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Original-Received: from drachen.dragon ([92.208.225.87]) by smtp.web.de (mrweb004 [213.165.67.108]) with ESMTPSA (Nemesis) id 0LuqfJ-1mhm9G2dDl-0108yf; Sat, 09 Oct 2021 07:28:07 +0200 In-Reply-To: <87a6jjc7c8.fsf@web.de> (Michael Heerdegen's message of "Sat, 09 Oct 2021 03:31:03 +0200") X-Provags-ID: V03:K1:N44vl5psaR/bsNmUAk0eLCVzQfdmDj6PHUh9RfLZ1FeSXRywdyk +AtAwbQO0BOZjUN9VM2HlMZGzu5nf8Cls4QV+cfFEP7Eho2YrB+LbYxtECBOCm7dnMogDMH HulvewmDWA5ltsp0daWB/s+rapa58Dv+y8nI1gTxg4tVh9d3Z9ZikZoVQ80stZmD9Rz+E8N AsIMyRZFeuPKoPp3ILAtw== X-UI-Out-Filterresults: notjunk:1;V03:K0:bVt3NvzoEmY=:U33Q0gZ/Af75d+SoBop07W vL5jaf4GokhHELkBnN/cNv0s1mGMtbp3w8MBAouVG+S8Bmzd9Xw+PKzGVDNRLgLlNrIyT1a98 FSw0pCazQKY11tJ+RpYIQK5ZUGJgULz19GtiEw0SPE6AG2Xx1ZwJq7Yh4Qvw+8+0GSYd+dRd+ PTeEDlE7NgOnS16dnE5a5lLdhh3VUVLxxLJu8o4TmqmRDYvUL5Hb86Id2u1EQMFbVm6ueq/Vi GEWJzcwHFF85j6STbMNy6JVEE5liMrTry/ThgiPZlpBspgfd6hkLN7f4jI1KyUBhTbSiFsshH who88spjyGMc29DFPsUk+1IOpK1imBsAwKYzPMApUXsXZOrrfWDbMK7fkl/v4iM9SqAXQQH3G VjNsumghjrDq7kvaY2uR4aBZX3lg00CDUiMPh06dELpUAq2VOZicG8U8+osamkydEde2H+7// dmZsXuFvPQx4b9BU+CM2TK/xiRXjGD0MO88CDXSjFLoi7BxHFMeyZRBXTvjsE4YIJZuXJ9Y4l fIn7PynxdxJbO+KyWUJyEzv/IKxfj9NtCzvyWHqe+1Z/DvJ8uKlgsWA1Kp2R7mqRBa9hNI6g4 yq4IBtlgIgDgdCy4JPMhDehUG8ghOtjst9n8pjW6HVZKv4qhGXvkoBeFodcAAylMMXgDUOC3J knL6Ol+BEKuwr+LrzSG9+p2NZ89oylEfof669Feifun46TttDpjPXcEOwdN/ePed1Bhz/a0jb c3cYmRCKiC43AxCD6uSFK5EePRDobQ2Oa4v6MPgYgTVpffhRNJ/aA4eaqcNs3ZlqYnHXdl6W Received-SPF: pass client-ip=212.227.15.3; envelope-from=michael_heerdegen@web.de; helo=mout.web.de X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:276585 Archived-At: Michael Heerdegen writes: > "how do you jump over arbitrary text preceding a match?" (the answer > seems to be: "use `or' and recursion", at least this is what I found > out by myself after a while). No - using recursive rules of the kind (rule [maches what I want]) (search (or rule (and (any) search))) to advance over preceding text is not a good method in Emacs, this hits Emacs' maximum recursion level after a bunch of lines if we advance one character each time (which can't be avoided when searching text). Is there a better solution for this kind of problem? Thanks, Michael.