;;; octave-inf.el --- running Octave as an inferior Emacs process
-;; Copyright (C) 1997, 2001, 2002, 2003, 2004, 2005, 2006, 2007
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1997, 2001-2011 Free Software Foundation, Inc.
;; Author: Kurt Hornik <Kurt.Hornik@wu-wien.ac.at>
;; Author: John Eaton <jwe@bevo.che.wisc.edu>
;; Maintainer: Kurt Hornik <Kurt.Hornik@wu-wien.ac.at>
;; Keywords: languages
+;; Package: octave-mod
;; 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 3, 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:
"Keymap used in Inferior Octave mode.")
(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)
+ (let ((table (make-syntax-table octave-mode-syntax-table)))
table)
"Syntax table in use in inferior-octave-mode buffers.")
"Non-nil means that Octave has built-in variables.")
(defvar inferior-octave-dynamic-complete-functions
- '(inferior-octave-complete comint-dynamic-complete-filename)
+ '(inferior-octave-completion-at-point comint-filename-completion)
"List of functions called to perform completion for inferior Octave.
This variable is used to initialize `comint-dynamic-complete-functions'
in the Inferior Octave buffer.")
-(defun inferior-octave-mode ()
+(defvar info-lookup-mode)
+
+(define-derived-mode inferior-octave-mode comint-mode "Inferior Octave"
"Major mode for interacting with an inferior Octave process.
Runs Octave as a subprocess of Emacs, with Octave I/O through an Emacs
buffer.
Entry to this mode successively runs the hooks `comint-mode-hook' and
`inferior-octave-mode-hook'."
- (interactive)
- (delay-mode-hooks (comint-mode))
(setq comint-prompt-regexp inferior-octave-prompt
- major-mode 'inferior-octave-mode
- mode-name "Inferior Octave"
mode-line-process '(":%s")
local-abbrev-table octave-abbrev-table)
- (use-local-map inferior-octave-mode-map)
- (set-syntax-table inferior-octave-mode-syntax-table)
- (make-local-variable 'comment-start)
- (setq comment-start octave-comment-start)
- (make-local-variable 'comment-end)
- (setq comment-end "")
- (make-local-variable 'comment-column)
- (setq comment-column 32)
- (make-local-variable 'comment-start-skip)
- (setq comment-start-skip octave-comment-start-skip)
+ (set (make-local-variable 'comment-start) octave-comment-start)
+ (set (make-local-variable 'comment-end) "")
+ (set (make-local-variable 'comment-column) 32)
+ (set (make-local-variable 'comment-start-skip) octave-comment-start-skip)
- (make-local-variable 'font-lock-defaults)
- (setq font-lock-defaults '(inferior-octave-font-lock-keywords nil nil))
+ (set (make-local-variable 'font-lock-defaults)
+ '(inferior-octave-font-lock-keywords nil nil))
+
+ (set (make-local-variable 'info-lookup-mode) 'octave-mode)
(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-input-ring-size (or (getenv "OCTAVE_HISTSIZE") 1024))
(set (make-local-variable 'comint-dynamic-complete-functions)
inferior-octave-dynamic-complete-functions)
- (comint-read-input-ring t)
-
- (run-mode-hooks 'inferior-octave-mode-hook))
+ (add-hook 'comint-input-filter-functions
+ 'inferior-octave-directory-tracker nil t)
+ (comint-read-input-ring t))
;;;###autoload
(defun inferior-octave (&optional arg)
(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)))
(inferior-octave-resync-dirs)))
\f
+(defun inferior-octave-completion-at-point ()
+ "Return the data to complete the Octave symbol at point."
+ (let* ((end (point))
+ (start
+ (save-excursion
+ (skip-syntax-backward "w_" (comint-line-beginning-position))
+ (point))))
+ (cond (inferior-octave-complete-impossible nil)
+ ((eq start end) nil)
+ (t
+ (list
+ start end
+ (completion-table-dynamic
+ (lambda (command)
+ (inferior-octave-send-list-and-digest
+ (list (concat "completion_matches (\"" command "\");\n")))
+ (sort (delete-dups inferior-octave-output-list)
+ 'string-lessp))))))))
+
(defun inferior-octave-complete ()
"Perform completion on the Octave symbol preceding point.
This is implemented using the Octave command `completion_matches' which
is NOT available with versions of Octave prior to 2.0."
(interactive)
- (let* ((end (point))
- (command
- (save-excursion
- (skip-syntax-backward "w_" (comint-line-beginning-position))
- (buffer-substring-no-properties (point) end)))
- (proc (get-buffer-process inferior-octave-buffer)))
- (cond (inferior-octave-complete-impossible
- (error (concat
- "Your Octave does not have `completion_matches'. "
- "Please upgrade to version 2.X.")))
- ((string-equal command "")
- (message "Cannot complete an empty string"))
- (t
- (inferior-octave-send-list-and-digest
- (list (concat "completion_matches (\"" command "\");\n")))
- ;; Sort the list
- (setq inferior-octave-output-list
- (sort inferior-octave-output-list 'string-lessp))
- ;; Remove duplicates
- (let* ((x inferior-octave-output-list)
- (y (cdr x)))
- (while y
- (if (string-equal (car x) (car y))
- (setcdr x (setq y (cdr y)))
- (setq x y
- y (cdr y)))))
- ;; And let comint handle the rest
- (comint-dynamic-simple-complete
- command inferior-octave-output-list)))))
+ (if inferior-octave-complete-impossible
+ (error (concat
+ "Your Octave does not have `completion_matches'. "
+ "Please upgrade to version 2.X."))
+ (let ((data (inferior-octave-completion-at-point)))
+ (if (null data)
+ (message "Cannot complete an empty string")
+ (apply #'completion-in-region data)))))
(defun inferior-octave-dynamic-list-input-ring ()
"List the buffer's input history in a help buffer."
the rest to `comint-output-filter'."
(comint-output-filter proc (inferior-octave-strip-ctrl-g string)))
-(defun inferior-octave-output-digest (proc string)
+(defun inferior-octave-output-digest (_proc string)
"Special output filter for the inferior Octave process.
Save all output between newlines into `inferior-octave-output-list', and
the rest to `inferior-octave-output-string'."
(provide 'octave-inf)
-;; arch-tag: bdce0395-24d1-4bb4-bfba-6fb1eeb1a660
;;; octave-inf.el ends here