Re: LSP Server for Scheme (and more ...)

[alex sassmannshausen <alex.sassmannshausen@gmail.com>]

+1

On Sat, 11 Jun 2022, 04:07 Aleix Conchillo Flaqué, <aconchillo@gmail.com>
wrote:

> Yes!!! This is amazing and things like this can expose Guile to many more
> people. Even though I've been using Emacs for many years, I believe it's
> not great for newcomers to hear "if you want a good Guile environment you
> can only use Emacs".
>
> Congratulations again, this was such an important missing piece!
>
> Best,
>
> Aleix
>
> On Fri, Jun 10, 2022 at 3:05 PM <r.herdt@posteo.de> wrote:
>
> > Hi Guilers!
> >
> > I want to share a couple of things I have being working on that you may
> > find useful.
> >
> > 1) I developed an LSP Server for Scheme. For those that don't know the
> > Language Server Protocol (LSP), it is meant for adding programming
> > language support for IDEs and editors that implement the protocol
> > (nowadays most of them support it).
> >
> > For now I am focusing on Guile 3 and CHICKEN 5. The idea is to write as
> > much R7RS for common code as possible (like representing documents,
> > fetching word under cursor etc.) and leave implementation specific code
> > to dedicated files. So far I managed to implement auto-completion, fetch
> > signature, fetch documentation and jump to definition.
> >
> > Repo: https://codeberg.org/rgherdt/scheme-lsp-server
> >
> > 2) An LSP server without a client is quite useless, so I'm also sharing
> > an emacs-lsp client:
> >
> > Repo: https://codeberg.org/rgherdt/emacs-lsp-scheme
> >
> > I will create a PR to melpa for this. Until it is merged, you can clone
> > the repo somewhere, 'load' it and follow the instructions in the README
> > to activate it.
> >
> > Usage is based on interaction with the REPL, which is based on Emacs's
> > built-in scheme inferior-mode. So you have to load the file (say by
> > typing C-c C-l on a buffer) in order to get access to symbols imported
> > from other modules.
> >
> > Note: for daily use you probably should stick to Geiser, since its Guile
> > support is obviously much more mature. It can still become useful for
> > other Schemes though, and is a good way to develop the LSP server
> > without leaving Emacs ;)
> >
> > 3) The whole idea behind LSP is to improve language support across
> > multiple IDEs/editors. So I started a proof of concept in VS Code:
> >
> > https://codeberg.org/rgherdt/vscode-scheme-lsp
> >
> > Since I don't use VS Code, I don't expect spending much time on it. I
> > also don't know how a lispy LSP client should/could look like in VS
> > Code. If you have ideas, or want to contribute/take over this, feel free
> > to contact me. It is not documented nor published yet, but already works
> > for the functionality mentioned (there are a couple of command to launch
> > a REPL and load files on it). I will investigate how to automate
> > installation of the LSP server before publishing it and let you know.
> >
> > Everything is on an early stage of development, and APIs may change. I
> > tested it using following software:
> > - Guile 3.0.8
> > - Emacs 27.1 and 28.1
> > - Debian Bullseye and Ubuntu 18.04
> >
> > Any questions, suggestions, critics and contributions are more than
> > welcome. We can also reach me on @libera's #guile, #chicken, #scheme
> > channels by the name rgherdt.
> >
> > Have a nice weekend you all!
> >
> > Ricardo
> >
> >
> >
>