From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: npostavs@users.sourceforge.net Newsgroups: gmane.emacs.bugs Subject: bug#8108: 24.0.50; debugging pre-write-conversion in define-coding-system Date: Sat, 10 Dec 2016 10:12:01 -0500 Message-ID: <87k2b7es3i.fsf@users.sourceforge.net> References: <20110224.084058.453347781.wl@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1481382790 5014 195.159.176.226 (10 Dec 2016 15:13:10 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 10 Dec 2016 15:13:10 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) Cc: 8108@debbugs.gnu.org To: Werner LEMBERG Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Dec 10 16:13:04 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cFjKf-00083T-Ss for geb-bug-gnu-emacs@m.gmane.org; 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Sat, 10 Dec 2016 07:10:58 -0800 (PST) Original-Received: from zony ([45.2.7.65]) by smtp.googlemail.com with ESMTPSA id g185sm8909130ith.14.2016.12.10.07.10.58 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 10 Dec 2016 07:10:58 -0800 (PST) In-Reply-To: <20110224.084058.453347781.wl@gnu.org> (Werner LEMBERG's message of "Thu, 24 Feb 2011 08:40:58 +0100 (CET)") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:126807 Archived-At: Werner LEMBERG writes: > ---------------------------------------------------------------------- > > > I'm updating my cjk-enc.el package (part of the CJK bundle for LaTeX) > to replace make-coding-system with define-coding-system. However, I > can't debug it. > > In previous Emacs versions, I've instrumented the function used for > the pre-write-conversion hook, and the debugger correctly stops there. > However, with a recent Emacs (bzr version 103411 from today) this no > longer works. Is this a bug? Am I missing something? Not sure which version this corresponds to, but in [1] encode_coding_object started using safe_call instead of a plain call to run the pre-write-conversion function. safe_call intentionally disables the debugger while running the function: /* Use Qt to ensure debugger does not run, so there is no possibility of wanting to redisplay. */ val = internal_condition_case_n (Ffuncall, nargs, args, Qt, safe_eval_handler); [1]: Tue Mar 29 00:34:38 2005 http://git.savannah.gnu.org/cgit/emacs.git/commit/?id=d4850d674381d9493c94d30f8944a765e79537eb (decode_coding_object): Use safe_call1 instead of call1. (encode_coding_object): Use safe_call instead of call2.