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bug#58790: Eglot URI parsing bug when using clojure-lsp server
From: |
João Távora |
Subject: |
bug#58790: Eglot URI parsing bug when using clojure-lsp server |
Date: |
Sat, 29 Oct 2022 03:02:56 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Dmitry Gutov <dgutov@yandex.ru> writes:
> We don't provide a setter for 'project-root', so I don't understand
> the expectation of being able to modify project-external-roots for an
> arbitrary project type either.
I think I understand your confusion. I'm not suggesting that Eglot
modifies it. I'll explain better below.
>>> Dmitry: Or create an Eglot-specific project backend.
>> I don't understand this suggestion either. Normally Eglot is a
>> client
>> of project information maintained by other project.el backends. Very
>> commonly VC projects, but not always necessarily so. That clashes with
>> the idea of making Eglot simultaneously a supplier of this information.
>
> There is indeed certain tension, but if Eglot wants to decide stuff
> about the project (which, as I said in the past, could be a reasonable
> idea), then it could provide its own project backend. We're not
> necessarily at that point, though, because...
Eglot doesn't want to decide anything about project. Eglot justs wants
to go into user visible projects and answer the question:
(project-current). It wants this because it maps project/major-mode
pairs to server connections.
Eglot doesn't care if the project is of type 'vc, 'transient,
'visual-studio-solution-file, 'joes-complicated-project, etc.
So Eglot providing a project backend doesn't make sense. Maybe you
think I'm suggesting that Eglot that could collect these references to
jars coming from the LSP server and add them to project-external-roots
somehow. I'm not suggesting that.
It's just that an arbitrary project backend, other than 'vc or
'transient, could add a method to project-external-roots. That would be
the user's job. I suppose Clojure packages declare somewhere which jars
they use. They probably store this information in a file. Java used
some ghastly .xml Ant file or Maven or whatever. A specialized project
backend could read the file and use it in an implementation of
project-external-roots. At this this is how I interpret project.el's
CLOS-like protocol for defining new project backends.
>> Please read the summary of the outlined above. Maybe there's nothing to
>> be done in project.el if eglot-extend-to-xref is to be used.
>
> ...indeed you could stop at that.
Maybe. eglot-extend-to-xref works very well for non-jars, at least for
C++ and clangd. Subsequent M-. work very well, too.
The downside is that once a system file discovered by the LSP server, it
is associated with a given server (_not project_) in Eglot. I don't
know what happens if another server also points to the same file.
Probably nothing very bad, but there may be some suprising behavior: I
haven't tested.
> Having the jars in project-external-roots could enable the users
> (after certain integration work) to search across their contents with
> project-or-external-find-regexp, or jump to files inside with
> project-or-external-find-file.
That's a very nice point. I don't use Java fortunately, but when I did
a long time ago, I think I remember Eclipse let me do this.
> But as for xref-find-definitions, item 4 in your list should be enough
> (with either of the alternatives as underlying implementation).
Let's see what Danny says.
João
- bug#58790: Eglot URI parsing bug when using clojure-lsp server, Danny Freeman, 2022/10/26
- bug#58790: Eglot URI parsing bug when using clojure-lsp server, Stefan Kangas, 2022/10/26
- bug#58790: Eglot URI parsing bug when using clojure-lsp server, Danny Freeman, 2022/10/26
- bug#58790: Eglot URI parsing bug when using clojure-lsp server, João Távora, 2022/10/27
- bug#58790: Eglot URI parsing bug when using clojure-lsp server, Dmitry Gutov, 2022/10/28
- bug#58790: Eglot URI parsing bug when using clojure-lsp server,
João Távora <=
- bug#58790: Eglot URI parsing bug when using clojure-lsp server, Dmitry Gutov, 2022/10/29
- bug#58790: Eglot URI parsing bug when using clojure-lsp server, Danny Freeman, 2022/10/29
- bug#58790: Eglot URI parsing bug when using clojure-lsp server, Danny Freeman, 2022/10/31
bug#58790: Eglot URI parsing bug when using clojure-lsp server, Felician Nemeth, 2022/10/29