From: Yuan Fu <casouri@gmail.com>
To: "\"Augustin Chéneau (BTuin)\"" <btuin@mailo.com>
Cc: emacs-devel <emacs-devel@gnu.org>
Subject: Re: Questions about tree-sitter
Date: Mon, 11 Sep 2023 17:22:06 -0700 [thread overview]
Message-ID: <2E2323FB-1A32-48B6-992E-66F474427199@gmail.com> (raw)
In-Reply-To: <a0e63d70-14bf-498a-8e06-510a64ab7911@mailo.com>
> On Sep 9, 2023, at 9:39 AM, Augustin Chéneau (BTuin) <btuin@mailo.com> wrote:
>
> Le 08/09/2023 à 18:43, Yuan Fu a écrit :
>>> On Sep 8, 2023, at 4:53 AM, Augustin Chéneau (BTuin) <btuin@mailo.com> wrote:
>>>
>>> Le 06/09/2023 à 06:07, Yuan Fu a écrit :
>>>> I added local parser support to master. If everything goes right, you just need to add a :local t flag in treesit-range-rules. Check out the modified bision-ts-mode.el that I hacked up for an example. BTW, it’s vital that you define treesit-language-at-point-function for a multi-language mode.
>>>> Yuan
>>>
>>> Thanks a lot!
>>>
>>> I did some tests and it's working pretty well.
>> Awesome!
>
>
> It seems I spoke a bit too soon :(
> When I edit the buffer, sometimes there is an offset between the text and the nodes after modifying the buffer, or the syntax highlighting breaks in C code.
>
> I attached an example Bison file if needed.
Thanks. I was able to reproduce this, but then can’t. I’ll keep looking into this, if you found out something new please let me know.
>
>>> I have a few issues though:
>>>
>>> - I first defined `treesit-language-at-point-function` using
>>> `treesit-node-at`. However, `treesit-node-at` itself uses
>>> `treesit-language-at-point-function` which causes an infinite recursion.
>>> So I instead used `treesit-local-parsers-at` to check if a local parser is used. Is it a good solution?
>> No no, you should use the host langauge’s parser (bison) and see if point is in an undelimited_code_block, and return c or bison accordingly. I’m highlight this in the docstring, thanks.
>
> So I need to call `treesit-node-at` with `'bison` as the value for PARSER-OR-LANG to see in which node I am?
> Then I think there is a problem with `treesit-node-at`, because it always call `treesit-language-at` even if PARSER-OR-LANG is provided.
> I propose a fix in the attached patch.
You are right. I applied a similar fix. It should be good now. Thanks!
Yuan
next prev parent reply other threads:[~2023-09-12 0:22 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-29 21:26 Questions about tree-sitter Augustin Chéneau (BTuin)
2023-08-30 7:03 ` Yuan Fu
2023-08-30 11:28 ` Augustin Chéneau (BTuin)
2023-09-06 4:07 ` Yuan Fu
2023-09-08 11:53 ` Augustin Chéneau (BTuin)
2023-09-08 16:43 ` Yuan Fu
2023-09-09 16:39 ` Augustin Chéneau (BTuin)
2023-09-12 0:22 ` Yuan Fu [this message]
2023-09-13 12:43 ` Augustin Chéneau (BTuin)
2023-09-14 4:11 ` Yuan Fu
2023-09-18 17:04 ` Augustin Chéneau (BTuin)
2023-09-19 4:00 ` Yuan Fu
2023-09-01 2:39 ` Madhu
2023-09-01 6:53 ` Eli Zaretskii
2023-09-01 9:15 ` Madhu
2023-09-01 10:45 ` Dmitry Gutov
2023-09-01 10:58 ` Eli Zaretskii
2023-11-27 7:16 ` Madhu
2023-09-06 16:11 ` Lynn Winebarger
2023-09-07 23:42 ` Yuan Fu
2023-09-08 0:11 ` Lynn Winebarger
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