GNU bug report logs - #70408
30.0.50; Eglot and Project integration

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Ergus <spacibba <at> aol.com>, João Távora <joaotavora <at> gmail.com>
Cc: 70408 <at> debbugs.gnu.org
Subject: bug#70408: 30.0.50; Eglot and Project integration
Date: Tue, 16 Apr 2024 14:42:25 +0300

> Date: Mon, 15 Apr 2024 23:40:27 +0200
> From:  Ergus via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
> 
> Recently we have been discussing the possibility to improve project.el
> in order to recognize/interact a bit more smartly with common modern
> build infrastructures (i.e meson and cmake).
> 
> These build systems generally are also capable to generate the
> compile_commands.json for clangd in the build directory independently of
> its location (generally out of sources).
> 
> The current extension for project.el is capable to recognize the build
> directory to execute project-compile. The approach works well in the
> tests and I added a small POC code to modify the
> `glot-workspace-configuration' variable on the fly.
> 
> This integration of project.el is pretty useful and simplifies the
> configurations required to make eglot work a bit more consistently by
> detecting the database more accurately.
> 
> The only limitation I am facing at the moment with this is that
> project.el initializes lazily (when a project-something command is
> called) and generally eglot seems to be designed to autostart as a mode
> hook.
> 
> So the issue has two parts:
> 
> 1. Is it desirable or are the eglot developers somehow interested in the
> integration with project.el? If so, what are the key features of
> interest.
> 
> 2. Do you have some suggestion about how to initialize the eglot server
> to properly update the `glot-workspace-configuration' on the fly?
> 
> My very primitive proof of concept code:
> 
> https://github.com/Ergus/project-multi-mode/blob/822316d82007e1b68c9a8dfcfbe205cb63b4f545/project-multi-mode.el#L194

Thanks.

I think this discussion should include João, so I added him.

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