Re: master 44fcd37a486 08/11: Add more c-ts-mode indent tests

[Yuan Fu <casouri@gmail.com>]

> On Dec 11, 2024, at 3:53 PM, Andrea Corallo <acorallo@gnu.org> wrote:
> 
> Andrea Corallo <acorallo@gnu.org> writes:
> 
>> Yuan Fu <casouri@gmail.com> writes:
>> 
>>>> On Dec 6, 2024, at 11:49 PM, Eli Zaretskii <eliz@gnu.org> wrote:
>>>> 
>>>>> From: Yuan Fu <casouri@gmail.com>
>>>>> Date: Fri, 6 Dec 2024 17:04:42 -0800
>>>>> Cc: Emacs Devel <emacs-devel@gnu.org>,
>>>>> Andrea Corallo <acorallo@gnu.org>
>>>>> 
>>>>> 
>>>>> 
>>>>>> On Dec 5, 2024, at 11:30 PM, Yuan Fu <casouri@gmail.com> wrote:
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>>> On Dec 4, 2024, at 11:37 PM, Michael Albinus <michael.albinus@gmx.de> wrote:
>>>>>>> 
>>>>>>> Yuan Fu <casouri@gmail.com> writes:
>>>>>>> 
>>>>>>> Hi Yuan,
>>>>>>> 
>>>>>>>> This is baffling. I assume the pipeline build the latest
>>>>>>>> tree-sitter-c/cpp grammar right? I just updated my grammar and
>>>>>>>> tree-sitter lib to the latest and the tests still pass on my
>>>>>>>> machine. Is tree-sitter version also the latest?
>>>>>>> 
>>>>>>> See test/infra/Dockerfile.emba. The emacs-tree-sitter container image is
>>>>>>> created prior every run, the treesitter grammars mentioned there are
>>>>>>> installed.
>>>>>> 
>>>>>> Ah, so the image uses Debian bookworm, which AFAIK is the current
>>>>>> stable release, so it probably doesn’t have the latest tree-sitter
>>>>>> library. Let me try to run the pipeline with tree-sitter built
>>>>>> from upstream.
>>>>>> 
>>>>>> Yuan
>>>>> 
>>>>> I didn’t run the pipeline built from upstream, but I tried running
>>>>> the tests locally with the tree-sitter library used in the
>>>>> pipeline. The pipeline uses tree-sitter provided by bookworm, which
>>>>> is v0.20.7, a pretty old version. And indeed, with that version of
>>>>> tree-sitter I can see the test failure.
>>>>> 
>>>>> Andrea, which version of  tree-sitter do you have on your test bench?
>>>>> 
>>>>> Since tree-sitter is still relatively unstable, maybe we want to use upstream tree-sitter for the test suite?
>>>> 
>>>> I don't think this is practical.  I'd rather mark that test as
>>>> expected failure or "unstable", if we cannot know the version of the
>>>> tree-sitter library used for the test.
>>>> 
>>>> Or maybe you could rewrite the test so that it works in both old and
>>>> new versions of the library.
>>>> 
>>>> (FWIW, I use 0.20.8, with the latest grammar libraries, and the test
>>>> fails here as well.  Due to the issues with ABI breakage in the
>>>> tree-sitter library, I decided that I will upgrade only when 0.25 is
>>>> released, because it also bumps the language ABI version, which we can
>>>> detect in Emacs.)
>>> 
>>> I dug into it, and the culprit is a bug in older tree-sitter versions
>>> where (the C equivalent of) treesit-node-field-name-for-child gives
>>> the wrong field name. I rewrote the indent function so it uses child
>>> node index instead of field name to match indentation rules. Now the
>>> tests should pass.
>>> 
>>> Yuan
>> 
>> Confirm
> 
> But introduces
> 
> progmodes/c-ts-mode.el:379:13: Warning: the function ‘treesit-node-check’ is not known to be defined.
> 
> on non treesit configs :)
> 
>  Andrea

Ah! I’m sorry :) Pushed the fix to master. I promise we’ll be free of these problems soon ;)

Yuan