From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Yuan Fu <casouri@gmail.com>
Cc: 59435@debbugs.gnu.org
Subject: bug#59435: 29.0.50; tree-sitter fails to fontify or indent simple function
Date: Mon, 21 Nov 2022 19:57:08 +0800 [thread overview]
Message-ID: <87mt8k5xm3.fsf@yahoo.com> (raw)
In-Reply-To: <3A4C0323-634D-437D-9510-50E59A254619@gmail.com> (Yuan Fu's message of "Mon, 21 Nov 2022 01:45:06 -0800")
Yuan Fu <casouri@gmail.com> writes:
>> On Nov 20, 2022, at 10:09 PM, Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors <bug-gnu-emacs@gnu.org> wrote:
>>
>>
>> c-ts-mode cannot fontify the following code:
>>
>> ifsubmitbufl (tp)
>> {
>> register *kb1 = tp;
>> extern tbase, i_len;
>> register l = len;
>>
>> again:
>>
>> highprio (); /* tbase is used by protoureg */
>> iomap (&UBR, tbase += UBR_SIZ);
>> UBR->addr_l = kb1;
>> UBR->addr_m = kb1 >> 010;
>> UBR->mode_l = 07777 &~ UBR_INST;
>> UBR->mode_m = 0;
>> UBR->long_l = l;
>> UBR->long_m = l >> 010;
>>
>> iounmap ();
>> tally_iostat (tbase);
>> iospoke (UBR, P_LOCK);
>> resetprio ();
>>
>> SWITCH (S_WAIT|S_HIGH|S_IMMED, 0700, again); /* this returns to
>> BR->senv[0], except
>> if CL_HI */
>> }
>>
>> here, ifsubmitbufl, tbase, l and again are fontified as types. They are
>> fontified correctly by CC Mode, as three identifiers and one label.
>
> Thanks, I fixe the label’s face.
Thanks.
> As for ifsubmitbufl, tbase, and l, I don’t really understand the
> syntax here, and I think neither does tree-sitter . In general
> tree-sitter struggles with nonstandard (in its book anyway) syntax.
Well, that code is 100% valid C. "*kb1, tbase, i_len, l" are implicitly
int (which on that machine is 16 bits wide), and so is the value of
"ifsubmitbufl" and "tp".
> And there aren’t much we can do (except for maybe improve
> tree-sitter-c’s parser).
Would someone try that?
> Seems to work fine here. I don’t see anything I changed recently that
> could affect this, either.
Sorry, I think I meant "before". Place point after "l = len;", then
press RET.
next prev parent reply other threads:[~2022-11-21 11:57 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <871qpw7s9k.fsf.ref@yahoo.com>
2022-11-21 6:09 ` bug#59435: 29.0.50; tree-sitter fails to fontify or indent simple function Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-11-21 9:45 ` Yuan Fu
2022-11-21 11:57 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2022-11-21 13:53 ` Eli Zaretskii
2022-11-24 23:38 ` Richard Stallman
2022-11-25 5:12 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-11-28 21:37 ` Richard Stallman
2022-11-29 0:46 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-04 23:12 ` Richard Stallman
2022-12-05 1:15 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-11-25 6:38 ` Yuan Fu
2022-11-25 7:45 ` Eli Zaretskii
2022-11-28 21:37 ` Richard Stallman
2022-12-06 21:08 ` Florian Weimer
2022-12-07 1:02 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-07 10:50 ` Florian Weimer
2022-12-07 11:01 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-11-21 13:52 ` Stefan Kangas
2022-11-23 23:31 ` Yuan Fu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87mt8k5xm3.fsf@yahoo.com \
--to=bug-gnu-emacs@gnu.org \
--cc=59435@debbugs.gnu.org \
--cc=casouri@gmail.com \
--cc=luangruo@yahoo.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).