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Diffstat (limited to 'lisp/progmodes/octave-inf.el')
| -rw-r--r-- | lisp/progmodes/octave-inf.el | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/lisp/progmodes/octave-inf.el b/lisp/progmodes/octave-inf.el deleted file mode 100644 index de7ca32befe..00000000000 --- a/lisp/progmodes/octave-inf.el +++ /dev/null @@ -1,386 +0,0 @@ -;;; octave-inf.el --- running Octave as an inferior Emacs process - -;; Copyright (C) 1997, 2001-2013 Free Software Foundation, Inc. - -;; Author: Kurt Hornik <Kurt.Hornik@wu-wien.ac.at> -;; John Eaton <jwe@bevo.che.wisc.edu> -;; Maintainer: FSF -;; Keywords: languages -;; Package: octave-mod - -;; This file is part of GNU Emacs. - -;; 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 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 -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. - -;; You should have received a copy of the GNU General Public License -;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. - -;;; Commentary: - -;;; Code: - -(require 'octave-mod) -(require 'comint) - -(defgroup octave-inferior nil - "Running Octave as an inferior Emacs process." - :group 'octave) - -(defcustom inferior-octave-program "octave" - "Program invoked by `inferior-octave'." - :type 'string - :group 'octave-inferior) - -(defcustom inferior-octave-prompt - "\\(^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. -The contents of this file are sent to the inferior Octave process on -startup." - :type '(choice (const :tag "None" nil) - file) - :group 'octave-inferior) - -(defcustom inferior-octave-startup-args nil - "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 - (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)) - ;; FIXME: free C-h so it can do the describe-prefix-bindings. - (define-key map "\C-c\C-h" 'info-lookup-symbol) - map) - "Keymap used in Inferior Octave mode.") - -(defvar inferior-octave-mode-syntax-table - (let ((table (make-syntax-table octave-mode-syntax-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." - :type 'hook - :group 'octave-inferior) - -(defvar inferior-octave-font-lock-keywords - (list - (cons inferior-octave-prompt 'font-lock-type-face)) - ;; Could certainly do more font locking in inferior Octave ... - "Additional expressions to highlight in Inferior Octave mode.") - - -;;; Compatibility functions -(if (not (fboundp 'comint-line-beginning-position)) - ;; comint-line-beginning-position is defined in Emacs 21 - (defun comint-line-beginning-position () - "Returns the buffer position of the beginning of the line, after any prompt. -The prompt is assumed to be any text at the beginning of the line matching -the regular expression `comint-prompt-regexp', a buffer local variable." - (save-excursion (comint-bol nil) (point)))) - - -(defvar inferior-octave-output-list nil) -(defvar inferior-octave-output-string nil) -(defvar inferior-octave-receive-in-progress nil) - -(defvar inferior-octave-startup-hook nil) - -(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-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.") - -(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'." - (setq comint-prompt-regexp inferior-octave-prompt - mode-line-process '(":%s") - local-abbrev-table octave-abbrev-table) - - (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) - - (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)) - (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)) - -;;;###autoload -(defun inferior-octave (&optional arg) - "Run an inferior Octave process, I/O via `inferior-octave-buffer'. -This buffer is put in Inferior Octave mode. See `inferior-octave-mode'. - -Unless ARG is non-nil, switches to this buffer. - -The elements of the list `inferior-octave-startup-args' are sent as -command line arguments to the inferior Octave process on startup. - -Additional commands to be executed on startup can be provided either in -the file specified by `inferior-octave-startup-file' or by the default -startup file, `~/.emacs-octave'." - (interactive "P") - (let ((buffer inferior-octave-buffer)) - (get-buffer-create buffer) - (if (comint-check-proc buffer) - () - (with-current-buffer buffer - (comint-mode) - (inferior-octave-startup) - (inferior-octave-mode))) - (if (not arg) - (pop-to-buffer buffer)))) - -;;;###autoload -(defalias 'run-octave 'inferior-octave) - -(defun inferior-octave-startup () - "Start an inferior Octave process." - (let ((proc (comint-exec-1 - (substring inferior-octave-buffer 1 -1) - inferior-octave-buffer - inferior-octave-program - (append (list "-i" "--no-line-editing") - inferior-octave-startup-args)))) - (set-process-filter proc 'inferior-octave-output-digest) - (setq comint-ptyp process-connection-type - inferior-octave-process proc - inferior-octave-output-list nil - inferior-octave-output-string nil - inferior-octave-receive-in-progress t) - - ;; This may look complicated ... However, we need to make sure that - ;; we additional startup code only AFTER Octave is ready (otherwise, - ;; output may be mixed up). Hence, we need to digest the Octave - ;; output to see when it issues a prompt. - (while inferior-octave-receive-in-progress - (accept-process-output inferior-octave-process)) - (goto-char (point-max)) - (set-marker (process-mark proc) (point)) - (insert-before-markers - (concat - (if (not (bobp)) " \n") - (if inferior-octave-output-list - (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 "more off;\n" - (if (not (string-equal - inferior-octave-output-string ">> ")) - (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)) - (insert-before-markers - (concat - (if inferior-octave-output-list - (concat (mapconcat - 'identity inferior-octave-output-list "\n") - "\n")) - inferior-octave-output-string)) - ;; Next, we check whether Octave supports `completion_matches' ... - (inferior-octave-send-list-and-digest - (list "exist \"completion_matches\"\n")) - (setq inferior-octave-complete-impossible - (not (string-match "5$" (car inferior-octave-output-list)))) - - ;; 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) - ;; Just in case, to be sure a cd in the startup file - ;; won't have detrimental effects. - (inferior-octave-resync-dirs))) - - -(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 ((eq start end) nil) - (inferior-octave-complete-impossible - (message (concat - "Your Octave does not have `completion_matches'. " - "Please upgrade to version 2.X.")) - 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)))))))) - -(define-obsolete-function-alias 'inferior-octave-complete - 'completion-at-point "24.1") - -(defun inferior-octave-dynamic-list-input-ring () - "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) - (if (or (not (ring-p comint-input-ring)) - (ring-empty-p comint-input-ring)) - (message "No history") - (let ((history nil) - (history-buffer " *Input History*") - (index (1- (ring-length comint-input-ring))) - (conf (current-window-configuration))) - ;; We have to build up a list ourselves from the ring vector. - (while (>= index 0) - (setq history (cons (ring-ref comint-input-ring index) history) - index (1- index))) - ;; Change "completion" to "history reference" - ;; to make the display accurate. - (with-output-to-temp-buffer history-buffer - (display-completion-list history) - (set-buffer history-buffer)) - (message "Hit space to flush") - (let ((ch (read-event))) - (if (eq ch ?\ ) - (set-window-configuration conf) - (setq unread-command-events (list ch))))))) - -(defun inferior-octave-strip-ctrl-g (string) - "Strip leading `^G' character. -If STRING starts with a `^G', ring the bell and strip it." - (if (string-match "^\a" string) - (progn - (ding) - (setq string (substring string 1)))) - string) - -(defun inferior-octave-output-filter (proc string) - "Standard output filter for the inferior Octave process. -Ring Emacs bell if process output starts with an ASCII bell, and pass -the rest to `comint-output-filter'." - (comint-output-filter proc (inferior-octave-strip-ctrl-g 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'." - (setq string (concat inferior-octave-output-string string)) - (while (string-match "\n" string) - (setq inferior-octave-output-list - (append inferior-octave-output-list - (list (substring string 0 (match-beginning 0)))) - string (substring string (match-end 0)))) - (if (string-match inferior-octave-prompt string) - (setq inferior-octave-receive-in-progress nil)) - (setq inferior-octave-output-string string)) - -(defun inferior-octave-send-list-and-digest (list) - "Send LIST to the inferior Octave process and digest the output. -The elements of LIST have to be strings and are sent one by one. All -output is passed to the filter `inferior-octave-output-digest'." - (let* ((proc inferior-octave-process) - (filter (process-filter proc)) - string) - (set-process-filter proc 'inferior-octave-output-digest) - (setq inferior-octave-output-list nil) - (unwind-protect - (while (setq string (car list)) - (setq inferior-octave-output-string nil - inferior-octave-receive-in-progress t) - (comint-send-string proc string) - (while inferior-octave-receive-in-progress - (accept-process-output proc)) - (setq list (cdr list))) - (set-process-filter proc filter)))) - -(defun inferior-octave-directory-tracker (string) - "Tracks `cd' commands issued to the inferior Octave process. -Use \\[inferior-octave-resync-dirs] to resync if Emacs gets confused." - (cond - ((string-match "^[ \t]*cd[ \t;]*$" string) - (cd "~")) - ((string-match "^[ \t]*cd[ \t]+\\([^ \t\n;]*\\)[ \t\n;]*" string) - (cd (substring string (match-beginning 1) (match-end 1)))))) - -(defun inferior-octave-resync-dirs () - "Resync the buffer's idea of the current directory. -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 '("disp (pwd ())\n")) - (cd (car inferior-octave-output-list))) - -;;; provide ourself - -(provide 'octave-inf) - -;;; octave-inf.el ends here |