From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Selective font-locking? Date: Sun, 11 Apr 2021 12:31:10 -0400 Message-ID: References: <7A948673-E156-42BA-BA50-E91986908BB5@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28464"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: JD Smith Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Apr 11 18:32:27 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 1lVd0c-0007Jy-Su for ged-emacs-devel@m.gmane-mx.org; Sun, 11 Apr 2021 18:32:26 +0200 Original-Received: from localhost ([::1]:38244 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lVd0b-000406-Ut for ged-emacs-devel@m.gmane-mx.org; Sun, 11 Apr 2021 12:32:25 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33762) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lVczU-0003At-VF for emacs-devel@gnu.org; Sun, 11 Apr 2021 12:31:16 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:23433) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lVczS-00016n-7L for emacs-devel@gnu.org; Sun, 11 Apr 2021 12:31:16 -0400 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 104558081F; Sun, 11 Apr 2021 12:31:13 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 526EC8089B; Sun, 11 Apr 2021 12:31:11 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1618158671; bh=zh+YBVCyBbuR97IJLa37M1cL9tsFaysrwykMyrZVVpE=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=LnqlHzDm0f2HUd2XMAhfNNYs/QI4Za+QigRolAYgdXc36Uf2UVkeMCQBfv9rQkiMO y/WU3W1MWH4qEQOp/EyFrZqxdzkXbNUQZ+TBzcyE7W1sPfKsdBWF+E5sSMfHJqMudQ ZXodv6y5a1eKbHkUKZGJCXsTknrcl6MMrur5p1E8s9eEBAwcFUSdJhjlxcHkHHUjJI 0plg6lGbKFL0QY3pPQiq69xLLIOQKw9T/8jibb/R0cq6t88alLEOxuzCMoOoV4LL9p hbyzTnqhp8sIsbj1GMndVMYN1qzMelDseBzgOnGpWGhplTbmWTZKoIDp2BifWcpl5Y d+l44PIXpqW9w== Original-Received: from alfajor (104-222-126-84.cpe.teksavvy.com [104.222.126.84]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id CE7061204C5; Sun, 11 Apr 2021 12:31:10 -0400 (EDT) In-Reply-To: <7A948673-E156-42BA-BA50-E91986908BB5@gmail.com> (JD Smith's message of "Sun, 11 Apr 2021 11:27:39 -0400") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-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: 2.1.23 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:267899 Archived-At: > But then, why bother round-tripping text out to a special-use buffer anyw= ay, > vs. just letting font-lock operate in-situ in the shell buffer itself usi= ng > python-mode=E2=80=99s fairly simple font-lock-defaults. The only thing ne= eded to > make this work is asking font-lock to ignore all the text with =E2=80=98f= ield of > =E2=80=98output?=20=20 Maybe you can try something like the following? (defvar python--font-lock-keywords ...) (defvar python-font-lock-keywords '(python--apply-font-lock)) (defun python--apply-font-lock (limit) (while (< (point) limit) (let ((next-boundary (find-next-boundary limit))) (if (we-should-skip-this-block) (goto-char next-boundary) (let ((font-lock-keywords python--font-lock-keywords)) (font-lock-ensure (point) limit)))))) -- Stefan