[ESS] help configuring auto-complete for ESS on Windows

Vitalie Spinu @p|nuv|t @end|ng |rom gm@||@com
Sun Mar 18 20:39:08 CET 2018

Should work out of the box if you have a running R process. It also depends on
what you have in your `company-backends`. ESS adds its backends in front of the
list (company-R-args company-R-objects) but something might have gotten in front
and might be hijacking the completion. Also check that ess-use-company is


>> On Sun, Mar 18 2018 09:05, Vince West wrote:

> I've been racking my brain and googling for last 48 hours but have been
> unable to figure this out.

> RStudio has very nice auto-complete features baked in, but I can't seem to
> get it working with ESS.

> I am using emacs latest on Windows 10 x64, R3.4.3, installing ESS from
> MELPA and installing company-mode from MELPA

> For controlled experimentation my init.el file is pretty bare bones (see
> below).

> I open up a new R buffer and ess mode seems to initialize properly.  I type
> M-x company-mode to enable company mode, but I get no autocomplete of any
> kind.  Company-mode is working properly on elisp files.  Wondering if
> anybody has a working example of ESS autocomplete working on Windows and
> can tell me how to get it functioning properly.

> I suppose I should also note that during the MELPA installation of ess I
> get a messages output that is 737 lines long and is littered with warnings
> about obsolete functions, obsolete variables, assignements to free
> variables references to free variables, and functions that are not known to
> be defined.

> Here is my init file

> -----
> init.el
> -----
> (require 'package)
> (let* ((no-ssl (and (memq system-type '(windows-nt ms-dos))
>                     (not (gnutls-available-p))))
>        (proto (if no-ssl "http" "https")))
>   (add-to-list 'package-archives (cons "melpa" (concat proto "://
> melpa.org/packages/")) t)
>   )
> (package-initialize)

> ;; emacs controlled settings
> (custom-set-variables
>  '(package-selected-packages (quote (company ess)))
>  '(show-paren-mode t)
>  '(tool-bar-mode nil))
> (custom-set-faces
>  '(default ((t (:family "Consolas" :foundry "outline" :slant normal :weight
> normal :height 113 :width normal)))))

> (require 'company)

> 	[[alternative HTML version deleted]]

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