GNU bug report logs - #63840
29.0.91; c-ts-mode fails to fontify common C extension

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From: Yuan Fu <casouri <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Po Lu <luangruo <at> yahoo.com>, 63840 <at> debbugs.gnu.org, Theodor Thornhill <theo <at> thornhill.no>
Subject: bug#63840: 29.0.91; c-ts-mode fails to fontify common C extension
Date: Thu, 15 Jun 2023 22:05:33 -0700

> On Jun 14, 2023, at 10:56 PM, Eli Zaretskii <eliz <at> gnu.org> wrote:
> 
>> From: Po Lu <luangruo <at> yahoo.com>
>> Cc: Eli Zaretskii <eliz <at> gnu.org>,  Theodor Thornhill <theo <at> thornhill.no>,
>>  63840 <at> debbugs.gnu.org
>> Date: Thu, 08 Jun 2023 16:50:21 +0800
>> 
>> Yuan Fu <casouri <at> gmail.com> writes:
>> 
>>> Yeah. So is this the only way $ is used in C?
>> 
>> Yes.
>> 
>>> Could it appear in contexts other than identifiers?
>> 
>> No.
> 
> Ping!  Any progress with this?

The best option is to ask tree-sitter-c to recognize $. I see a PR for it but the author closed it shortly after posting, not sure what was going on[1].

Fixing it ourselves involves checking every identifier during fontification. Is that something we want to do?

[1] https://github.com/tree-sitter/tree-sitter-c/pull/114

Yuan

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