Bozhidar, I had to slightly modify cider-interaction.el to make
autocomplete work for cljs.
--- cider-interaction.el 2014-01-18 13:51:28.082131609 -0500
+++ /home/gary/.emacs.d/elpa/cider-0.4.0/cider-interaction.el 2014-01-17
19:06:45.872591834 -0500
@@ -469,12 +469,12 @@
(let ((strlst (plist-get
(nrepl-send-request-sync
(list "op" "complete"
- "session" (nrepl-current-tooling-session)
+ "session" (nrepl-current-session)
"ns" nrepl-buffer-ns
"symbol" str))
:value)))
(when strlst
- (car strlst))))
+ strlst)))
Here's the current implementing code:
https://github.com/gtrak/nrepl-complete/blob/master/src/nrepl_complete/middleware.clj
Here's a screenshot: http://i.imgur.com/GmBJ6Fj.png
It can't be implemented for cljs on the tooling session without sending the
real session id over somehow, it seems this would be wasteful and not a
good precedent for other middlewares.
I'd appreciate your thoughts.
I'm also curious what it would take to make the display pretty like
ac-nrepl, which I had to disable.
As soon as this stuff is finalized, I'll package everything up nice and
make a first release.
On Mon, Jan 13, 2014 at 10:21 AM, Gary Trakhman <gary.trakh...@gmail.com>wrote:
> Austin's lein-plugin already manipulates project middlewares, so that's an
> easy target. Onward!
>
>
> On Mon, Jan 13, 2014 at 10:10 AM, Bozhidar Batsov <bozhi...@batsov.com>wrote:
>
>> Cider’s completion understands a `complete` op, so the middleware is the
>> best approach if you ask me. The only reason that there’s also an eval
>> based completion mechanism (the one used by default) is that
>> clojure-complete is present as a REPLy (which is used by lein) dependency
>> and many newcomers have absolutely no idea what an nREPL middleware is.
>> Unfortunately it’s hard to balance initial easy of setup and good design
>> decisions.
>>
>> --
>> Cheers,
>> Bozhidar
>>
>> On Monday, January 13, 2014 at 4:55 PM, Gary Trakhman wrote:
>>
>> On talking to Chas,
>> https://github.com/cemerick/piggieback/issues/22
>>
>> it seems like the right approach is to reify ac-nrepl's use of eval into
>> a real "complete" op, and reimplement it to use that, then a common
>> middleware can either use clojure's environment (clojure-complete) or
>> piggieback's compiler state to implement the appropriate auto-complete
>> based on the active repl.
>>
>> The issue here is that clojure's auto-complete takes the JVM state as an
>> implicit parameter, whereas cljs-complete requires an 'env' arg that has to
>> come from somewhere (piggieback has a var that keeps track of repl session
>> state). Ac-nrepl shouldn't be able to eval code, that means it's being
>> coupled to the JVM state, which won't do for cljs or other sorts of
>> repls-on-repls.
>>
>>
>>
>> On Mon, Jan 13, 2014 at 9:03 AM, Gary Trakhman
>> <gary.trakh...@gmail.com>wrote:
>>
>> I've released a cljs port of clojure-complete:
>>
>> Here's the mailing list announcement, also inlined.
>>
>> https://groups.google.com/forum/#!topic/clojurescript/Dt1s4laHFXc
>> cljs-complete, A Clojure library designed to auto-complete clojurescript
>> based on cljs compiler state.
>>
>> - With leiningen:
>> [cljs-complete "0.1.0"]
>>
>> - Usage
>>
>> ;; env is pulled from cljs compiler state
>> => (completions @cljs.env/*compiler* "al" 'cljs.core)
>> ("alength" "alter-meta!")
>>
>> This is meant to hook into piggieback, that'll be the next thing I try. I
>> hope I can get some help with the hairy emacs bits :-).
>>
>>
>> On Tuesday, January 7, 2014 1:54:27 AM UTC-5, Bozhidar Batsov wrote:
>>
>> I'm cider's maintainer. The problem with code completion for
>> ClojureScript is that the default mechanism is based on the Clojure-only
>> library https://github.com/ninjudd/clojure-complete. As I don't use
>> ClojureScript I haven't paid much attention to it so far. If there is a
>> similar library for ClojureScript I might add support for it. Btw, cider
>> will also pick up any nREPL middleware that provides a "complete" op - if
>> there is a ClojureScript nREPL completion middleware it can be used with
>> cider even now. Ideally at some point we'll have unified middleware
>> supporting both Clojure & ClojureScript.
>>
>> On Sunday, January 5, 2014 10:30:44 PM UTC+2, Alexandru Nedelcu wrote:
>>
>> Hi,
>>
>> I can’t get auto-completion or jumping to the definition of a function in
>> Emacs, while working with ClojureScript. Is this a limitation of Emacs’
>> Cider <https://github.com/clojure-emacs/cider> plugin?
>>
>> I managed to get nRepl working by using the awesome
>> com.cemerick/austin<https://github.com/cemerick/austin>plugin for lein
>> (besides including the plugin in
>> project.clj I’ve got no other special configuration). So to work with
>> ClojureScript, from inside an nRepl session, I execute the following (not
>> sure if this is right):
>>
>> (cemerick.austin.repls/exec :exec-cmds ["google-chrome"])
>>
>> In Emacs I do the same thing, by first starting the repl with
>> cider-jack-in and then I execute the above command. Compiling the
>> current buffer works (C-c C-k), I can also send expressions for evaluation
>> to the repl (C-x C-e).
>>
>> However, as I said, auto-completion doesn’t work and neither does jumping
>> to the definition of a function. Is there any way to get these features
>> while working with ClojureScript in Emacs? Or maybe in another IDE?
>>
>> Thanks,
>> --
>> Alexandru Nedelcu
>> www.bionicspirit.com
>>
>> PGP Public Key:
>> https://bionicspirit.com/key.aexpk
>>
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