[ESS] some recent bugs/annoyances

Vitalie Spinu spinuvit at gmail.com
Mon Nov 12 16:57:54 CET 2012

  >> gerald.jean at dgag.ca
  >> on Mon, 12 Nov 2012 10:16:26 -0500 wrote:

  gj> Hello,

  gj> another annoyance, for me anyway, is when I am in a "*.q" buffer, that I
  gj> used to run Splus code, if I have no sessions opened, neither R, nor S+,
  gj> ..., if I don't remember no Splus session is opened and submit some code
  gj> from that buffer, ESS just starts a new R session WITHOUT asking or
  gj> anything???  

I was also surprised to see this in the code. What shall we call by
default then? I am not using S+ at all so have no clue. What is the
universal emacs function to start it?

Can you please check if this version works for you. If so I will commit.

(defun ess-start-process-specific (language dialect)
  "Start an ESS process typically from a language-specific buffer, using

  (unless dialect
    (error "The value of `dialect' is nil"))
    (let ((dsymb (intern dialect)))
       (format " ..start-process-specific: lang:dialect= %s:%s, current-buf=%s\n"
               language dialect (current-buffer)))
      (cond ((string= dialect "R") (R))
            ;; ((string= language "S") ;VS[03-09-2012]: cannot start s+?
            ;;  (message "ESS process not running, trying to start R, since language = 'S")
            ;;  (R))
            ((string= dialect "Stata") (stata))
            ;;general case
            ((fboundp dsymb)
             (funcall dsymb))
            (t ;; else: ess-language is not S

             ;; Typically triggered from
             ;; ess-force-buffer-current("Process to load into: ")
             ;;  \-->  ess-request-a-process("Process to load into: " no-switch)
             (error "No ESS processes running; not yet implemented to start (%s,%s)"
                    language dialect)))
      ;; save excursion is not working here !!! bad bad bad !!

It basically relies on the value of ess-dialect and calls the function
indicated by the dialect if such exists. Topically it is "S+6".


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