GNU bug report logs - #67246
30.0.50; elixir-ts-mode uses faces inconsistently

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Message #53 received at 67246 <at> debbugs.gnu.org (full text, mbox):

From: Wilhelm Kirschbaum <wkirschbaum <at> gmail.com>
To: Dmitry Gutov <dmitry <at> gutov.dev>
Cc: Andrey Listopadov <andreyorst <at> gmail.com>, 67246 <at> debbugs.gnu.org
Subject: Re: bug#67246: 30.0.50; elixir-ts-mode uses faces inconsistently
Date: Mon, 04 Dec 2023 19:46:37 +0200

Dmitry Gutov <dmitry <at> gutov.dev> writes:

> On 27/11/2023 19:59, Wilhelm Kirschbaum wrote:
>> Here is a patch to address numerous issues flagged on Elixir 
>> slack,
>> Github and in this thread.  It will not be perfect, but since 
>> the
>> changes are pretty large I want to get this in and then we can 
>> pick on
>> specific issues afterwards if that makes sense?
>
> Thank you. No problem, pushed to master.
>

Thanks, I have one or two more change related to this issue 
coming.

>> I am making the assumption that it is okay to rename custom 
>> faces as
>> elixir-ts-mode is only for 30.
>
> I think so.
>
>> One thing I tried to get right is to ensure that each level 
>> works
>> relatively well, which means a bit more brute forcing queries.  
>> I have
>> not seen a major performance issue on massic Elixir files, so 
>> think its
>> fine.
>
> One thing that jumped out at me is that arguments in method
> definitions (e.g. 'def build(parent, root_path, opts) do') are
> highlighted with the -use- face. Apparently, that's simply 
> because the
> grammar parses these as nodes of type "call", just like it does 
> for
> regular function calls. So that's unusual.
>
> I suppose it's possible to separate them by matching on the call
> target's text? Which would be "def" or "defp".
>
> Conversely, variable refs in expressions such as
>
>   %{
>     "start" => %{"line" => line, "character" => start_idx},
>     "end" => %{"line" => line, "character" => start_idx + 
>     length}
>   }
>
> are highlighted with -name-, even though there's no 
> destructuring here.
>
> Anyway, good job, I can see that Elixir's grammar is one of the 
> harder
> ones to work with.

Thanks.  I am pretty busy atm, so will only get time for this in 
about a
week.  There are definitely some issues I spotted as well which 
needs to
be fixed.

Wilhelm

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