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;;; ess-inf.el --- Support for running S as an inferior Emacs process
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;; Copyright (C) 1989-1994 Bates, Kademan, Ritter and Smith
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;; Copyright (C) 1997-2001 A.J. Rossini <rossini@u.washington.edu>,
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;; Martin Maechler <maechler@stat.math.ethz.ch>.
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;; Copyright (C) 1997-1999 A.J. Rossini <rossini@u.washington.edu>,
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;; Martin Maechler <maechler@stat.math.ethz.ch>.
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;; Copyright (C) 2000--2004 A.J. Rossini, Rich M. Heiberger, Martin
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;; Maechler, Kurt Hornik, Rodney Sparapani, and Stephen Eglen.
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;; Author: David Smith <dsmith@stats.adelaide.edu.au>
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;; (now: dsmith@insightful.com)
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;; Maintainer: A.J. Rossini <rossini@u.washington.edu>
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;; Original Author: David Smith <dsmith@stats.adelaide.edu.au>
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;; Created: 7 Jan 1994
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;; Modified: $Date: 2002/06/20 21:52:06 $
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;; Version: $Revision: 5.78 $
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;; RCS: $Id: ess-inf.el,v 5.78 2002/06/20 21:52:06 rsparapa Exp $
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;; Maintainers: ESS-core <ESS-core@stat.math.ethz.ch>
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;; This file is part of ESS
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;;- Is this needed? (no, but it's useful to see them there [MM])
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(set-buffer ess-dribble-buffer)
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(ess-setq-vars-default ess-customize-alist (current-buffer))
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;; Hack to work around the following "default" (global) setting of vars:
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;; make sure our comint-... hack doesn't affect anything else
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(make-variable-buffer-local 'comint-use-prompt-regexp-instead-of-fields)
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;; now the abomination:
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(ess-setq-vars-default ess-customize-alist)
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(setq-default comint-use-prompt-regexp-instead-of-fields nil); re set HACK!
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;;>> Doesn't set ess-language,
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;;>> => comint-input-sender is not set to 'ess-input- ==> no input echo!
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;;>> => that's why things fail:
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;;>> (ess-setq-vars-local ess-customize-alist (current-buffer))
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(setq temp-ess-dialect
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(eval(cdr(assoc 'ess-dialect ess-customize-alist))))
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(eval(cdr(assoc 'ess-language ess-customize-alist)))))
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;;MM --- why set them here again when already "(let ..)" above ?
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;; --> trying without (comment the following 4 lines):
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;; (setq temp-ess-dialect
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;; (eval(cdr(assoc 'ess-dialect ess-customize-alist))))
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;; (setq temp-ess-lang
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;; (eval(cdr(assoc 'ess-language ess-customize-alist))))
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;; run hooks now, to overwrite the above!
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(run-hooks 'ess-pre-run-hook)
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(memq major-mode '(inferior-ess-mode)))
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(if ess-ask-for-ess-directory
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(ess-get-directory (directory-file-name defdir))
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(ess-get-directory (directory-file-name defdir))
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(setq buf (current-buffer))
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(ess-write-to-dribble-buffer
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(format "(inferior-ess) Method #1 start=%s buf=%s\n" startdir buf)))
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(format "(inferior-ess) Method #1 start=%s buf=%s\n" startdir buf)))
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;; Not an ESS buffer yet
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(get-buffer buf-name-str))
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(setq buf (get-buffer buf-name-str))
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(ess-write-to-dribble-buffer
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(format "(inferior-ess) Method #2 buf=%s\n" buf)))
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(format "(inferior-ess) Method #2 buf=%s\n" buf)))
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;; Ask for transcript file and startdir
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;; FIXME -- this should be in ess-get-transfile
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there is no process NAME)."
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(let* ((proc-name name)
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(special-display-regexps nil)
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(special-display-frame-alist inferior-ess-frame-alist)
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(proc (get-process proc-name)))
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(if inferior-ess-own-frame
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(setq special-display-regexps '(".")))
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;; If ESS process NAME is running, switch to it
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(if (and proc (comint-check-proc (process-buffer proc)))
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(switch-to-buffer (process-buffer proc))
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(pop-to-buffer (process-buffer proc))
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;; Otherwise, crank up a new process
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(let* ((symbol-string
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(concat "inferior-" inferior-ess-program "-args"))
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(set-buffer (process-buffer (get-process proc)))
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(ess-make-buffer-current))
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(if noswitch nil (switch-to-buffer (process-buffer (get-process proc))))
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(ess-show-buffer (buffer-name (process-buffer (get-process proc))) t))
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(defun ess-force-buffer-current (prompt &optional force)
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"Make sure the current buffer is attached to an ESS process.
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If not, or FORCE (prefix argument) is non-nil,
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If not, or FORCE (prefix argument) is non-nil,
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prompt for a process name with PROMPT.
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`ess-local-process-name' is set to the name of the process selected.
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`ess-dialect' is set to the dialect associated with the process selected."
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(defun ess-switch-to-ESS (eob-p)
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"Switch to the current inferior ESS process buffer.
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With (prefix) EOB-P non-nil, positions cursor at end of buffer."
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With (prefix) EOB-P non-nil, positions cursor at end of buffer.
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This function should follow the description in `ess-show-buffer'
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for showing the iESS buffer, except that the iESS buffer is also
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(interactive "P")
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(ess-make-buffer-current)
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(if (and ess-current-process-name (get-process ess-current-process-name))
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(process-buffer (get-process ess-current-process-name)))
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;; Display the buffer, but don't select it yet.
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(buffer-name (process-buffer (get-process ess-current-process-name)))
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(if eob-p (goto-char (point-max))))
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(message "No inferior ESS process")
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(if (eq (length ess-process-name-list) 0)
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(setq ess-current-process-name nil)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Something like this almost works, but problems with XEmacs and Emacs
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;; differing implementations of the args to display-buffer make this
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;; too tough to pursue. The longer version below works.
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;; (defun ess-show-buffer (buf)
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;; "Display the buffer BUF, a string, but do not select it.
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;; Returns the window corresponding to the buffer."
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;; ;; On XEmacs, I get an error if third arg to display-buffer is t and
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;; ;; the BUF is in another frame. Emacs does not have this problem.
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;; (if (featurep 'xemacs)
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;; (display-buffer buf nil (get-frame-for-buffer buf))
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;; (display-buffer buf nil t)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun ess-show-buffer (buf &optional visit)
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"Ensure the ESS buffer BUF is visible.
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The buffer, specified as a string, is typically an iESS (e.g. *R*) buffer.
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This handles several cases:
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1. If BUF is visible in the current frame, nothing is done.
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2. If BUF is visible in another frame, then we ensure that frame is
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visible (it may have been iconified).
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3. If buffer is not visible in any frame, simply show it in another window
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in the current frame.
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Iff VISIT is non-nil, as well as making BUF visible, we also select it
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as the current buffer."
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(if (ess-buffer-visible-this-frame buf)
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;;1. Nothing to do, BUF visible in this frame; just return window
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;; where this buffer is.
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;; 2. Maybe BUF visible in another frame.
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(setq frame (ess-buffer-visible-other-frame buf))
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;; BUF is visible in frame, so just check frame is raised.
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(if (not (eq (frame-visible-p frame) t))
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;; frame is not yet visible, so raise it.
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;; 3. else BUF not visible in any frame, so show it (but do
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;; not select it) in another window in current frame.
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(display-buffer buf)))
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;; At this stage, the buffer should now be visible on screen,
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;; although it won't have been made current.
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;; Need to select the buffer.
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;; First of all, check case 2 if buffer is in another frame
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;; but that frame may not be selected.
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(if (and frame (not (featurep 'xemacs)))
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;; need to select the frame
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;; reposition mouse to make frame active.
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(set-mouse-position (selected-frame) (1- (frame-width)) 0)))
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(select-window (get-buffer-window buf 0))))))
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;; The next few functions are copied from my (SJE) iswitchb library.
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(defun ess-get-bufname (win)
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"Used by `ess-get-buffers-in-frames' to walk through all windows."
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(let ((buf (buffer-name (window-buffer win))))
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(if (not (member buf ess-bufs-in-frame))
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;; Only add buf if it is not already in list.
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;; This prevents same buf in two different windows being
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;; put into the list twice.
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(setq ess-bufs-in-frame
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(cons buf ess-bufs-in-frame)))))
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(defun ess-get-buffers-in-frames (&optional current)
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"Return the list of buffers that are visible in the current frame.
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If optional argument CURRENT is given, restrict searching to the
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current frame, rather than all frames."
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(let ((ess-bufs-in-frame nil))
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(walk-windows 'ess-get-bufname nil (if current nil 0))
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(defun ess-buffer-visible-this-frame (buf)
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"Return t if BUF is visible in current frame."
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(member buf (ess-get-buffers-in-frames t)))
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(defun ess-buffer-visible-other-frame (buf)
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"Return t if BUF is visible in another frame.
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Assumes that buffer has not already been in found in current frame."
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(if (member buf (ess-get-buffers-in-frames))
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(window-frame (get-buffer-window buf 0))
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; Functions for evaluating code
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(defun ess-ddeclient-p ()
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;; Code for GNU Emacs
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(setq inferior-ess-mode-map (cons 'keymap comint-mode-map))))
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;; Use syntax valid *both* for GNU emacs and Xemacs :
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;; Use syntax valid *both* for GNU emacs and XEmacs :
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(define-key inferior-ess-mode-map "\r" 'inferior-ess-send-input)
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(define-key inferior-ess-mode-map "\C-a" 'comint-bol)
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(define-key inferior-ess-mode-map "\M-\r" 'ess-transcript-send-command-and-move)
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(define-key inferior-ess-mode-map "\C-c\C-l" 'ess-load-file)
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;; the above OVERRIDES comint-dynamic-list-input-ring --> re-assign:
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(define-key inferior-ess-mode-map "\C-c\M-l" 'comint-dynamic-list-input-ring)
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(define-key inferior-ess-mode-map "\C-c`" 'ess-parse-errors)
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(define-key inferior-ess-mode-map "\C-c\C-d" 'ess-dump-object-into-edit-buffer)
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(define-key inferior-ess-mode-map "\C-c\C-v" 'ess-display-help-on-object)
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;;> As promised, here is a quick hack:
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;; ___hack much improved by MM___ , both help(.) and ?... now work
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;; rmh: catch page() just like we catch help()
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;; FIXME: Note that '??' nicely works in *R*, but
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;; 'type ? topic' doesn't use ess-help {but display in *R*}
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(defconst inferior-R-1-input-help (format "help *(%s)" ess-help-arg-regexp))
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(defconst inferior-R-2-input-help (format "^ *\\? *%s" ess-help-arg-regexp))
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(defconst inferior-R-page (format "page *(%s)" ess-help-arg-regexp))
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(defconst inferior-R-page (format "^ *page *(%s)" ess-help-arg-regexp))
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(defun inferior-R-input-sender (proc string)
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;; REALLY only for debugging: this S_L_O_W_S D_O_W_N [here AND below]
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"Delete all buffers associated with process %s? "
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(mapcar '(lambda (buf)
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;; Consider buffers for which
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;; ess-local-process-name is the same as
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(if (and (not (get-buffer-process buf))
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ess-local-process-name
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(equal ess-local-process-name
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(ess-switch-to-ESS nil)))))
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(mapcar '(lambda (buf)
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;; Consider buffers for which
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;; ess-local-process-name is the same as
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(if (and (not (get-buffer-process buf))
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ess-local-process-name
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(equal ess-local-process-name
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(ess-switch-to-ESS nil)))
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(defun ess-kill-buffer-function nil
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"Function run just before an ESS process buffer is killed."
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lisp/ess-inf.el
