GNU bug report logs - #59427
CC Mode 5.35.2 (C/*l); More bad fontification

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From: Alan Mackenzie <acm <at> muc.de>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 59427 <at> debbugs.gnu.org
Subject: bug#59427: CC Mode 5.35.2 (C/*l); More bad fontification
Date: Thu, 24 Nov 2022 12:56:40 +0000

[Message part 1 (text/plain, inline)]

Hello, Po.

On Mon, Nov 21, 2022 at 10:32:26 +0800, Po Lu via CC-Mode-help wrote:
> Package: cc-mode

> Insert the following text in a c-mode buffer:

> static uint64_t
> ConfineTime (uint64_t time)
> {
>   uint32_t milliseconds;

>   /* Given a microsecond time, confine the millisecond part to
>      CARD32.  */
>   milliseconds = time / 1000;

>   return (milliseconds * (uint64_t) 1000
> 	  + time % 1000);
> }

> Notice how "milliseconds" is recognized as a type, and the uint64_t in
> the cast as an identifier.

Yes.  Here the "symmetric space" criterion for * was buggy.  That
criterion says if there is whitespace on neither side of the *, or both,
it is a multiplication sign.  Otherwise it is the indirection operator.

The bug was not taking the ( properly into account.  Please apply the
attached patch, which should fix this, and confirm it works OK.  Thanks!

> Emacs  : GNU Emacs 29.0.50 (build 236, x86_64-pc-linux-gnu)
>  of 2022-11-21
> Package: CC Mode 5.35.2 (C/*l)
> Buffer Style: gnu
> c-emacs-features: (pps-extended-state col-0-paren posix-char-classes gen-string-delim gen-comment-delim syntax-properties category-properties 1-bit)

[ .... ]

-- 
Alan Mackenzie (Nuremberg, Germany).

[diff.20221123.diff (text/plain, attachment)]

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