GNU bug report logs - #61412
[PATCH] Add inlay hints to eglot

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Message #67 received at 61412 <at> debbugs.gnu.org (full text, mbox):

From: Dimitri Belopopsky <dimitri <at> belopopsky.com>
To: João Távora <joaotavora <at> gmail.com>
Cc: Po Lu <luangruo <at> yahoo.com>, Chinmay Dalal <dalal.chinmay.0101 <at> gmail.com>,
 Eli Zaretskii <eliz <at> gnu.org>, 61412 <at> debbugs.gnu.org
Subject: Re: bug#61412: Inlay hints implementation
Date: Tue, 21 Feb 2023 19:42:19 +0100

[Message part 1 (text/plain, inline)]

Hello,

I thought the point was not to create overlays directly?
I'm sharing what I currently have, using the flymake diagnostics directly.
Maybe something can be salvaged?

In the meantime I'll try out your patches.

On Tue, 21 Feb 2023 at 16:14, João Távora <joaotavora <at> gmail.com> wrote:

> [Eli, I just noticed that this bug should be merged with 61066,
> but I don't know how to do that]
>
> Hello,
>
> Attached is my implementation of inlay hints for Eglot.
> Two patches are provided, where the first just lays some
> basic groundwork to make the actual inlay hint implementation
> simpler.
>
> Regarding copyright stuff, I did look at Chinmay's patch,
> but I re-started from scratch.  While it was a very good
> effort, there were too many idiomatic Elisp and Eglot things
> to change.  I did take Chinmay's face definitions, though.
> Not sure how to proceed here and if this counts as "derived
> work" and if we should wait for Chinmay's copyright assignment.
>
> I gave it some light testing and I kind of like it.  Quite
> helpful for C++ with clangd (the only server I tested it with).
> You can bind `eglot-inlay-hint-mode` to some keybinding probably.


It's even more helpful in languages like Rust, that rely on type deduction
a lot more.
Clangd has an extension for designator hints that looks interesting too.


> Documentation in the manual is still missing, but shouldn't
> be very hard to do.
>
> Anyway, this is likely not the end of the inlay hint story
> because, as the second patch documents, this is likely a
> very naive implementation that always requests inlay hints
> for the entire buffer even if just a fraction of it is visible.
>


> A better implementation would probably leverage
> window-scroll-functions along with the Eglot-specific
> idle timer.  That is probably much, much more tricky to get
> right, but is also more than likely the way to go.
>
> In the meantime, I'd like your opinion on this patch and
> the above topics first.
>
> João
>
> I hope gmail doesn't mess up my attachments...
>

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[0001-Add-inlay-hint-functionality.patch (text/x-patch, attachment)]

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