From: Eli Zaretskii <eliz@gnu.org>
To: Yuan Fu <casouri@gmail.com>, Stefan Monnier <monnier@iro.umontreal.ca>
Cc: dev@rjt.dev, aqua0210@foxmail.com, 59498@debbugs.gnu.org,
mardani29@yahoo.es
Subject: bug#59498: 29.0.50; c++-ts-mode get wrong-type-argument error when enabled
Date: Sun, 27 Nov 2022 08:24:21 +0200 [thread overview]
Message-ID: <83ilj0rk2y.fsf@gnu.org> (raw)
In-Reply-To: <5ADA88E0-A105-47B5-B590-2591253781C1@gmail.com> (message from Yuan Fu on Sat, 26 Nov 2022 14:11:48 -0800)
> From: Yuan Fu <casouri@gmail.com>
> Date: Sat, 26 Nov 2022 14:11:48 -0800
> Cc: Randy Taylor <dev@rjt.dev>,
> aqua0210@foxmail.com,
> 59498@debbugs.gnu.org,
> mardani29@yahoo.es
>
> >> + (setq-local treesit-comment-start (rx "/" (or (+ "/") (+ "*"))))
> >> + (setq-local treesit-comment-end (rx (+ (or "*")) "/"))
> >>
> >> (treesit-parser-create 'cpp)
> >
> > Thanks, but this doesn't look right to me: why should c++-ts-mode set
> > variables for treesit.el? It is more likely that treesit.el should use the
> > buffer-local values of comment-start and comment-end instead, and fall back
> > on generic values (if they make sense) only if the local values are not set.
> >
> > Yuan, WDYT?
>
> I added treesit-comment-start/end to help indenting comments. So this is the correct way to use them. The following comment explains why I created new variables:
>
> ;; `comment-start' and `comment-end' assume there is only one type of
> ;; comment, and that the comment spans only one line. So they are not
> ;; sufficient for our purpose.
??? This is surprisingly unclean, IMO. For starters, the names of the
variables are confusing. The need to define two sets of comment-start and
comment-end regexps is also a nuisance and a source of errors.
How do non-treesit modes handle this issue? Why do the treesit-based modes
need something special here?
Stefan, any ideas?
next prev parent reply other threads:[~2022-11-27 6:24 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-23 2:24 bug#59498: 29.0.50; c++-ts-mode get wrong-type-argument error when enabled Eason Huang
2022-11-23 8:44 ` Daniel Martín via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-11-23 10:53 ` Eason Huang
2022-11-24 14:39 ` Randy Taylor
2022-11-25 12:56 ` Eason Huang
2022-11-26 11:18 ` Eli Zaretskii
2022-11-26 22:11 ` Yuan Fu
2022-11-27 6:24 ` Eli Zaretskii [this message]
2022-11-27 7:18 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-11-27 7:24 ` Eli Zaretskii
2022-11-27 22:21 ` Yuan Fu
2022-11-28 0:24 ` Stefan Kangas
2022-12-18 9:57 ` Eli Zaretskii
2022-12-18 22:49 ` Yuan Fu
2022-12-19 13:51 ` Eli Zaretskii
2022-12-20 1:56 ` Yuan Fu
2022-12-20 15:18 ` Eli Zaretskii
2022-12-21 0:37 ` Yuan Fu
2022-11-28 13:59 ` Eason Huang
2022-11-27 22:00 ` Yuan Fu
[not found] <m24juq9zn6.fsf@foxmail.com>
2022-11-30 21:33 ` Yuan Fu
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