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bug#59001: Eglot activated in xref internal buffers
From: |
Juri Linkov |
Subject: |
bug#59001: Eglot activated in xref internal buffers |
Date: |
Thu, 03 Nov 2022 20:43:31 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (x86_64-pc-linux-gnu) |
X-Debbugs-Cc: João Távora <joaotavora@gmail.com>
X-Debbugs-Cc: Dmitry Gutov <dgutov@yandex.ru>
[A new issue spun off from bug#58839]
> Juri, this doesn't seem right. Eglot shouldn't be turning itself on in
> hidden buffers to start with: It's totally useless there.
>
> So you have to explain an Emacs -Q recipe that demonstrates how Eglot
> reached this nonsensical state. You haven't done that (or have you and i
> have missed it?).
>
> I tried project-find-regexp with Eglot-managed files with no problems, but
> I have no idea what you're doing.
>
> Also, this problem is totally off-topic here: this is about
> project-kill-buffers. Please start as new issue of you haven't already.
This issue is very hard to reproduce. It occurs only when
*xref-temp* first sets one mode not eglot-managed, then
afterwards enables another mode that is eglot-managed
in the same internal buffer. Maybe Dmitry could explain
what is going wrong.
> On Thu, Nov 3, 2022, 17:39 Juri Linkov <juri@linkov.net> wrote:
>> OTOH I completely support the request to make Eglot more resilient
>> to unforeseeable situations. Currently it's so brittle, so I get a lot
>> of such errors all the time:
>>
>> Debugger entered--Lisp error: (wrong-type-argument arrayp nil)
>> file-truename(nil)
>> eglot--path-to-uri(nil)
>> eglot--TextDocumentIdentifier()
>> eglot--signal-textDocument/didClose()
>> kill-buffer(#<buffer *xref-temp*>)
>> xref--convert-hits(...)
>> xref-matches-in-files("word" ...)
>> project--find-regexp-in-files("word" ...)
>> apply(project--find-regexp-in-files ("word" ...))
>> xref--show-xref-buffer(...)
>> xref--show-xrefs(...)
>> xref-show-xrefs(...)
>> project-find-regexp("word")
>> funcall-interactively(project-find-regexp "word")
>> command-execute(project-find-regexp)
>
> Here's a patch that fixes this:
>
> diff --git a/lisp/progmodes/eglot.el b/lisp/progmodes/eglot.el
> index c5870618372..5b05f84c63c 100644
> --- a/lisp/progmodes/eglot.el
> +++ b/lisp/progmodes/eglot.el
> @@ -1792,7 +1792,9 @@ eglot--maybe-activate-editing-mode
> (unless eglot--managed-mode
> ;; Called when `revert-buffer-in-progress-p' is t but
> ;; `revert-buffer-preserve-modes' is nil.
> - (when (and buffer-file-name (eglot-current-server))
> + (when (and buffer-file-name
> + (not (string-match-p "\\` " (buffer-name)))
> + (eglot-current-server))
> (setq eglot--diagnostics nil)
> (eglot--managed-mode)
> (eglot--signal-textDocument/didOpen))))
- bug#59001: Eglot activated in xref internal buffers,
Juri Linkov <=