GNU bug report logs - #56629
CC Mode 5.35.1 (C++//l); Cache state inconsistency

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Message #14 received at 56629 <at> debbugs.gnu.org (full text, mbox):

From: Michael Welsh Duggan <mwd <at> md5i.com>
To: Alan Mackenzie <acm <at> muc.de>
Cc: Michael Welsh Duggan <mwd <at> md5i.com>, 56629 <at> debbugs.gnu.org
Subject: Re: bug#56629: CC Mode 5.35.1 (C++//l); Cache state inconsistency
Date: Tue, 26 Jul 2022 23:23:16 -0400

Alan Mackenzie <acm <at> muc.de> writes:

> Hello again, Michael.
>
> On Sun, Jul 24, 2022 at 15:28:56 +0000, Alan Mackenzie wrote:
>
> [ .... ]
>
>> The cause of this bug is the text properties put on the <s and >s.  These
>> are intended to be category properties in Emacs, but syntax-table
>> properties in XEmacs.  The mechanism which tests the presence of the
>> category property is chaotic in Emacs, though I think it works properly
>> in the standalone CC Mode; the detection is (wrongly) done both at
>> compile time and load time, and delivers different answers.  :-(
>
>> I will sort this out and let you know when it's done.
>
> I have now committed a patch for this to the savannah master branch,
> which I am confident has sorted the problem out.
>
> Could I ask you please to update your Emacs-29 to this branch, and test
> it out on your real C++ code, and confirm that the bug is indeed fixed
> (or that it's not fixed).  Then we can close the bug.  Thanks!

Thus far, I have not encountered any problems.  I'll let you know if
that changes.

>> > Emacs : GNU Emacs 29.0.50 (build 2, x86_64-pc-linux-gnu, X
>> > toolkit, cairo version 1.16.0)
>> >  of 2022-07-15
>> > Package: CC Mode 5.35.1 (C++//l)
>> > Buffer Style: Pharos
>> > c-emacs-features: (pps-extended-state col-0-paren
>> > posix-char-classes gen-string-delim gen-comment-delim
>> > syntax-properties 1-bit)
>
>> [ .... ]

-- 
Michael Welsh Duggan
(md5i <at> md5i.com)

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