Re: Emacs as an Org LSP server

[Neil Jerram <neiljerram@gmail.com>]

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Yes, thanks, I'm seeing the picture now.  I guess that some of those things
would require extensions to the LSP standard/protocol, as well as just
implementation, wouldn't they?

On Mon, 14 Dec 2020 at 17:31, TEC <tecosaur@gmail.com> wrote:

> Hi Neil,
>
> Ah, I see what you’re getting at now. I’ll try to give you an idea of what
> I think could apply.
>
>    - Provide nice text manipulation actions, e.g. structural editing
>    - Completion, with company
>    - Org Export
>    - Run Babel blocks
>    - Org syntax highlighting (potentially)
>    - Folding (maybe)
>    - All the nice stuff like table alignment, checkbox state propagation…
>
> Does that help?
>
> All the best,
> *Timothy*
>
> * From*: Neil Jerram <%22Neil+Jerram%22+%3Cneiljerram@gmail.com%3E>
> * Subject*: Re: Emacs as an Org LSP server
> * To*: TEC <%22TEC%22+%3Ctecosaur@gmail.com%3E>
> * Cc*: "org-mode-email" <emacs-orgmode@gnu.org>
> * Date*: Tue, 15 Dec 2020 01:22:55 +0800
> I'm afraid things still aren't clear for me.  Is there a reason it's so
> hard to give a concrete example?
>
> If I try to analogise from how LSP works for golang, I believe the LSP
> server does things like
> - complete symbol beginning with "Xyz"
> - tell me where so-and-so function is defined (e.g. so that the client
> editor can jump to it).
> I'm not sure if operations like that make sense for Org.
>
> Another possibility might be interacting, from a 3rd party editor, with a
> body of Org content that has been primarily written and managed in Emacs.
> If so, what would those interactions be?  Marking a task as done?
> Something more complex than that?
>
> Or is it like: 3rd party editor opens an Org file and the user types some
> <random key sequence>.  Editor asks the LSP server (Emacs) "what does
> <random key sequence> mean?", and the server replies "it means the Org
> entry should now look like this: ..."
>
>
> On Mon, 14 Dec 2020 at 15:58, TEC <tecosaur@gmail.com> wrote:
>
>> Hi Neil,
>>
>> Good to hear that you did take a look at the readme 🙂.
>>
>> You can think of the LSP as a specification for cross-editor/IDE
>> extensions. The intent of this is to make some of Org’s functionality
>> accessible to the ~95% of people who don’t use Emacs, by hooking into Emacs
>> itself.
>>
>> Does that clear things up for you? You can also see
>> https://langserver.org/.
>>
>> All the best,
>> *Timothy*
>>
>> * From*: Neil Jerram <%22Neil+Jerram%22+%3Cneiljerram@gmail.com%3E>
>> * Subject*: Re: Emacs as an Org LSP server
>> * To*: TEC <%22TEC%22+%3Ctecosaur@gmail.com%3E>
>> * Cc*: "org-mode-email" <emacs-orgmode@gnu.org>
>> * Date*: Mon, 14 Dec 2020 23:46:12 +0800
>> Thanks Timothy.  I did read the README, but I'm afraid I still can't
>> quite picture a specific use.
>>
>>
>> On Mon, 14 Dec 2020 at 15:28, TEC <tecosaur@gmail.com> wrote:
>>
>>> Hi Neil,
>>>
>>> I’m going to quote you the readme from the linked github repo:
>>>
>>> Allow the unwashed masses to use Org, without using Emacs, using Emacs.
>>>
>>> Here’s the image from the readme [image: model.png]
>>>
>>> And here’s the first line from the first result of a google search for
>>> &ldquoLSP”:
>>>
>>> The Language Server Protocol (LSP) defines the protocol used between an
>>> editor or IDE and a language server that provides language features
>>> like auto complete, go to definition, find all references etc.
>>>
>>> That should give you an idea of the intent here.
>>>
>>> All the best,
>>> *Timothy*
>>>
>>> * From*: Neil Jerram <%22Neil+Jerram%22+%3Cneiljerram@gmail.com%3E>
>>> * Subject*: Re: Emacs as an Org LSP server
>>> * To*: TEC <%22TEC%22+%3Ctecosaur@gmail.com%3E>
>>> * Cc*: "org-mode-email" <emacs-orgmode@gnu.org>
>>> * Date*: Mon, 14 Dec 2020 19:41:05 +0800
>>> Could you describe a use case?  Apologies if I missed this in earlier
>>> threads.
>>>
>>>
>>> On Sun, 13 Dec 2020 at 10:44, TEC <tecosaur@gmail.com> wrote:
>>>
>>>>
>>>> A little progress update.
>>>>
>>>> https://github.com/tecosaur/org-lsp now exists.
>>>>
>>>> I have no idea what I'm doing, so if anyone has feedback on the current
>>>> idea, that would be much appreciated.
>>>>
>>>> TEC <tecosaur@gmail.com> writes:
>>>>
>>>> > Hi Everyone,
>>>> >
>>>> > From the Org standardisation effort the idea of using Emacs as the
>>>> basis
>>>> > of an LSP server for Org has been mentioned a few times.
>>>> >
>>>> > I thought this deserved it's own thread so here it is :)
>>>> >
>>>> > I'm quite keen to investigate the viability of this idea.
>>>> > Some key questions that I think need addressing are:
>>>> > 1. How can we 'package' Emacs into an LSP client?
>>>> > 2. Assuming we use some language as the basis for the host how do  we
>>>> >    want to pick it? LSP library? Lisp? Are there any outstanding
>>>> >    contenders.
>>>> > 3. How much effort is involved? Is it worth it to try to make Org
>>>> more
>>>> >    approachable* (without Emacs)?
>>>> >
>>>> > Lastly, but perhaps even more crucially --- who would be interested in
>>>> > working on this? I certainly am, but this feels like something that
>>>> > would be more viable with a small working group.
>>>> >
>>>> > Who's interested?
>>>> >
>>>> > Timothy.
>>>> >
>>>> >
>>>> > * I can't help but think that this hypothetical LSP server may
>>>>  serve as
>>>> >  a 'gateway drug' to Org in Emacs 😉
>>>>
>>>>
>>>>

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