[ESS] file completion R script buffer not auto completing
|@t@z@hn @end|ng |rom gm@||@com
Thu Dec 15 19:51:33 CET 2016
On Thu, Dec 15, 2016 at 12:32 PM, Martin Maechler
<maechler using stat.math.ethz.ch> wrote:
>>>>>> Stephen Sefick <ssefick using auburn.edu>
>>>>>> on Wed, 14 Dec 2016 11:45:49 -0600 writes:
> > Hello:
> > Long time R user; new ESS user. Thank you all so much for this wonderful
> > IDE. I am having problems with the ESS and the R script buffer.
> > I would like to be able to use an autocomplete file name/path like in R
> > studio. I am sure that I am missing something in my .emacs file. Please
> > let me know what things would be helpful to post in order to diagnose my
> > problem.
> Completion (not just on file names) is "of course" a very very
> old topic in emacs and hence also ESS.
> I'm interested to hear what others say... notably those who know
> modern (>= 24.x or even >= 25.x) emacs well
I don't know modern emacs well, but I'd like to think I know how to
use it pretty well.
ESS uses company to complete if available. On my system it works
pretty well for completing file names, though the string must start
with '.', '~', or '/'. That is, if I have a directory named 'data' in
my working directory, 'dat will not complete but './da' will.
So, as far as I know you just need to install (and load? or does ESS
do that for you?) the company package.
> The filename vs / and object name (of R objects in this case)
> completion becomes relevant here and ideally ESS would know
> which kind of completion is desired here.
> In the very remote past I had decided to distinguish between
> filename completion and object name completion --- which is
> nicely built into ESS and typically activated just by [Tab].
> For this reason, I've been using (in my ~/.emacs or rather
> 'default.el' equivalent) for many years
> ;;=== Define C-c-Tab (Alt-Tab = Meta-Tab is *taken* by "GUI")
> ;;=== for File Name Completion ===
> (autoload 'comint-dynamic-complete "comint" nil t)
> (autoload 'comint-dynamic-complete-filename "comint" nil t)
> (define-key global-map [?\C-c tab] 'comint-dynamic-complete-filename)
> (if xemacs-p
> ;; The following WORKS in xemacs, but gives an ERROR when default.el
> ;; is only LOADED in GNU emacs (20.2):
> ;; BUG (define-key global-map "\C-\M-\t" 'comint-dynamic-complete)
> ;; else
> (define-key global-map [C-M-tab] 'comint-dynamic-complete)
> BTW: I have no idea what Rstudio is doing (and how they do it).
> As "they" learnt so much from ESS initially (which was
> acknowledged orally at the time), maybe we could learn from
> Rstudio on this issue now...
> or see how other interpreted languagues such as emacs lisp or
> bash or ?? deal with this.
> > I appreciate the help.
> Maybe try the above and then use C-c [Tab]
> which is stored in my fingers in the mean time..
> > kindest regards,
> > Stephen
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