From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Lennart Borgman (gmail)" Newsgroups: gmane.emacs.help Subject: Re: Context sensitive code highlighting. Date: Tue, 08 Apr 2008 16:17:06 +0200 Message-ID: <47FB7E62.7030200@gmail.com> References: <87myo4h43d.fsf@member.fsf.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1207664269 11224 80.91.229.12 (8 Apr 2008 14:17:49 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 8 Apr 2008 14:17:49 +0000 (UTC) Cc: help-gnu-emacs@gnu.org To: Tassilo Horn Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Apr 08 16:18:22 2008 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1JjEeO-0006LQ-Vg for geh-help-gnu-emacs@m.gmane.org; Tue, 08 Apr 2008 16:18:17 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JjEdl-0008Gp-IY for geh-help-gnu-emacs@m.gmane.org; Tue, 08 Apr 2008 10:17:37 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JjEdU-0008GJ-Af for help-gnu-emacs@gnu.org; Tue, 08 Apr 2008 10:17:20 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JjEdS-0008Fk-CG for help-gnu-emacs@gnu.org; Tue, 08 Apr 2008 10:17:19 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JjEdS-0008Fh-6y for help-gnu-emacs@gnu.org; Tue, 08 Apr 2008 10:17:18 -0400 Original-Received: from ch-smtp02.sth.basefarm.net ([80.76.149.213]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JjEdR-0002XD-V2 for help-gnu-emacs@gnu.org; Tue, 08 Apr 2008 10:17:18 -0400 Original-Received: from c83-254-150-27.bredband.comhem.se ([83.254.150.27]:64037 helo=[127.0.0.1]) by ch-smtp02.sth.basefarm.net with esmtp (Exim 4.68) (envelope-from ) id 1JjEdN-0000j5-94; Tue, 08 Apr 2008 16:17:16 +0200 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071031 Thunderbird/2.0.0.9 Mnenhy/0.7.5.666 In-Reply-To: <87myo4h43d.fsf@member.fsf.org> X-Antivirus: avast! (VPS 080408-0, 2008-04-08), Outbound message X-Antivirus-Status: Clean X-Originating-IP: 83.254.150.27 X-Scan-Result: No virus found in message 1JjEdN-0000j5-94. X-Scan-Signature: ch-smtp02.sth.basefarm.net 1JjEdN-0000j5-94 e9e753799200befd28db5940428c6409 X-detected-kernel: by monty-python.gnu.org: Linux 2.6? (barebone, rare!) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:53174 Archived-At: Tassilo Horn wrote: > Robin.Fairey@gmail.com writes: > >> How hard would it be to implement context sensitive font lock >> behaviour? I'm thinking of something that scans the code for an >> argument list and then highlights subsequent occurences of the >> argument names in a new colour. See (info "(elisp) Search-based Fontification") You can use a function instead of a regexp for searching for things to highlight. So it is possible to do what you want. You just need to do some book-keeping. > Have a look at highlight-symbol.el [1], especially `highlight-symbol-mode'. > > Bye, > Tassilo > __________ > [1] http://www.emacswiki.org/cgi-bin/emacs-en/HighlightSymbol > http://nschum.de/src/emacs/highlight-symbol/ It is very good, but would look much better if a background overlay could be used instead in hi-lock.