;;; octave-inf.el --- running Octave as an inferior Emacs process
-;; Copyright (C) 1997 Free Software Foundation, Inc.
+;; Copyright (C) 1997, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+;; Free Software Foundation, Inc.
-;; Author: Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at>
+;; Author: Kurt Hornik <Kurt.Hornik@wu-wien.ac.at>
;; Author: John Eaton <jwe@bevo.che.wisc.edu>
-;; Maintainer: Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at>
+;; Maintainer: Kurt Hornik <Kurt.Hornik@wu-wien.ac.at>
;; Keywords: languages
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
:group 'octave)
(defcustom inferior-octave-program "octave"
- "*Program invoked by `inferior-octave'."
+ "Program invoked by `inferior-octave'."
:type 'string
:group 'octave-inferior)
(defcustom inferior-octave-prompt
- "\\(^octave\\(\\|.bin\\)\\(-[.0-9]+\\)?\\(:[0-9]+\\)?\\|^debug\\|^\\)>+ "
- "*Regexp to match prompts for the inferior Octave process."
+ "\\(^octave\\(\\|.bin\\|.exe\\)\\(-[.0-9]+\\)?\\(:[0-9]+\\)?\\|^debug\\|^\\)>+ "
+ "Regexp to match prompts for the inferior Octave process."
:type 'regexp
:group 'octave-inferior)
(defcustom inferior-octave-startup-file nil
- "*Name of the inferior Octave startup file.
+ "Name of the inferior Octave startup file.
The contents of this file are sent to the inferior Octave process on
startup."
:type '(choice (const :tag "None" nil)
:group 'octave-inferior)
(defcustom inferior-octave-startup-args nil
- "*List of command line arguments for the inferior Octave process.
+ "List of command line arguments for the inferior Octave process.
For example, for suppressing the startup message and using `traditional'
mode, set this to (\"-q\" \"--traditional\")."
:type '(repeat string)
:group 'octave-inferior)
-(defvar inferior-octave-mode-map nil
- "Keymap used in Inferior Octave mode.")
-(if inferior-octave-mode-map
- ()
- (let ((map (copy-keymap comint-mode-map)))
+(defvar inferior-octave-mode-map
+ (let ((map (make-sparse-keymap)))
+ (set-keymap-parent map comint-mode-map)
(define-key map "\t" 'comint-dynamic-complete)
(define-key map "\M-?" 'comint-dynamic-list-filename-completions)
(define-key map "\C-c\C-l" 'inferior-octave-dynamic-list-input-ring)
(define-key map [menu-bar inout list-history]
'("List Input History" . inferior-octave-dynamic-list-input-ring))
(define-key map "\C-c\C-h" 'octave-help)
- (setq inferior-octave-mode-map map)))
+ map)
+ "Keymap used in Inferior Octave mode.")
-(defvar inferior-octave-mode-syntax-table nil
- "Syntax table in use in inferior-octave-mode buffers.")
-(if inferior-octave-mode-syntax-table
- ()
+(defvar inferior-octave-mode-syntax-table
(let ((table (make-syntax-table)))
(modify-syntax-entry ?\` "w" table)
(modify-syntax-entry ?\# "<" table)
(modify-syntax-entry ?\n ">" table)
- (setq inferior-octave-mode-syntax-table table)))
+ table)
+ "Syntax table in use in inferior-octave-mode buffers.")
(defcustom inferior-octave-mode-hook nil
"*Hook to be run when Inferior Octave mode is started."
(defvar inferior-octave-complete-impossible nil
"Non-nil means that `inferior-octave-complete' is impossible.")
+(defvar inferior-octave-has-built-in-variables nil
+ "Non-nil means that Octave has built-in variables.")
+
(defvar inferior-octave-dynamic-complete-functions
'(inferior-octave-complete comint-dynamic-complete-filename)
"List of functions called to perform completion for inferior Octave.
(setq comint-input-ring-file-name
(or (getenv "OCTAVE_HISTFILE") "~/.octave_hist")
- comint-input-ring-size (or (getenv "OCTAVE_HISTSIZE") 1024)
- comint-input-filter-functions '(inferior-octave-directory-tracker)
- comint-dynamic-complete-functions
- inferior-octave-dynamic-complete-functions)
+ comint-input-ring-size (or (getenv "OCTAVE_HISTSIZE") 1024))
+ (set (make-local-variable 'comint-dynamic-complete-functions)
+ inferior-octave-dynamic-complete-functions)
+ (add-hook 'comint-input-filter-functions
+ 'inferior-octave-directory-tracker nil t)
(comint-read-input-ring t)
(run-mode-hooks 'inferior-octave-mode-hook))
(get-buffer-create buffer)
(if (comint-check-proc buffer)
()
- (save-excursion
- (set-buffer buffer)
+ (with-current-buffer buffer
(comint-mode)
(inferior-octave-startup)
(inferior-octave-mode)))
(concat (mapconcat
'identity inferior-octave-output-list "\n")
"\n"))))
+
+ ;; Find out whether Octave has built-in variables.
+ (inferior-octave-send-list-and-digest
+ (list "exist \"LOADPATH\"\n"))
+ (setq inferior-octave-has-built-in-variables
+ (string-match "101$" (car inferior-octave-output-list)))
+
+ ;; An empty secondary prompt, as e.g. obtained by '--braindead',
+ ;; means trouble.
+ (inferior-octave-send-list-and-digest (list "PS2\n"))
+ (if (string-match "\\(PS2\\|ans\\) = *$" (car inferior-octave-output-list))
+ (inferior-octave-send-list-and-digest
+ (list (if inferior-octave-has-built-in-variables
+ "PS2 = \"> \"\n"
+ "PS2 (\"> \");\n"))))
+
;; O.k., now we are ready for the Inferior Octave startup commands.
(let* (commands
(program (file-name-nondirectory inferior-octave-program))
(file (or inferior-octave-startup-file
(concat "~/.emacs-" program))))
(setq commands
- (list "page_screen_output = 0;\n"
+ (list "more off;\n"
(if (not (string-equal
inferior-octave-output-string ">> "))
- "PS1=\"\\\\s> \";\n")
+ (if inferior-octave-has-built-in-variables
+ "PS1=\"\\\\s> \";\n"
+ "PS1 (\"\\\\s> \");\n"))
(if (file-exists-p file)
(format "source (\"%s\");\n" file))))
(inferior-octave-send-list-and-digest commands))
;; And finally, everything is back to normal.
(set-process-filter proc 'inferior-octave-output-filter)
- (run-hooks 'inferior-octave-startup-hook)))
+ (run-hooks 'inferior-octave-startup-hook)
+ (run-hooks 'inferior-octave-startup-hook)
+ ;; Just in case, to be sure a cd in the startup file
+ ;; won't have detrimental effects.
+ (inferior-octave-resync-dirs)))
\f
(defun inferior-octave-complete ()
(save-excursion
(skip-syntax-backward "w_" (comint-line-beginning-position))
(buffer-substring-no-properties (point) end)))
- (proc (get-buffer-process inferior-octave-buffer))
- (filter (process-filter proc)))
+ (proc (get-buffer-process inferior-octave-buffer)))
(cond (inferior-octave-complete-impossible
(error (concat
"Your Octave does not have `completion_matches'. "
command inferior-octave-output-list)))))
(defun inferior-octave-dynamic-list-input-ring ()
- "List the buffer's input history in a help buffer"
+ "List the buffer's input history in a help buffer."
;; We cannot use `comint-dynamic-list-input-ring', because it replaces
;; "completion" by "history reference" ...
(interactive)
This command queries the inferior Octave process about its current
directory and makes this the current buffer's default directory."
(interactive)
- (inferior-octave-send-list-and-digest '("pwd\n"))
+ (inferior-octave-send-list-and-digest '("disp (pwd ())\n"))
(cd (car inferior-octave-output-list)))
;;; provide ourself
(provide 'octave-inf)
-;;; arch-tag: bdce0395-24d1-4bb4-bfba-6fb1eeb1a660
+;; arch-tag: bdce0395-24d1-4bb4-bfba-6fb1eeb1a660
;;; octave-inf.el ends here