;;; vmsproc.el --- run asynchronous VMS subprocesses under Emacs
+;; Copyright (C) 1986, 2002, 2003, 2004, 2005,
+;; 2006 Free Software Foundation, Inc.
+
;; Author: Mukesh Prasad
;; Maintainer: FSF
-;; Last-Modified: 29 Sep 1986
;; Keywords: vms
-;; Copyright (C) 1986 Free Software Foundation, Inc.
-
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; 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.
+
+;;; Commentary:
;;; Code:
(defvar display-subprocess-window nil
- "If non-nil, the suprocess window is displayed whenever input is received.")
+ "If non-nil, the subprocess window is displayed whenever input is received.")
(defvar command-prefix-string "$ "
"String to insert to distinguish commands entered by user.")
(defvar subprocess-running nil)
-(defvar command-mode-map nil)
+(defvar subprocess-buf nil)
-(if command-mode-map
- nil
- (setq command-mode-map (make-sparse-keymap))
- (define-key command-mode-map "\C-m" 'command-send-input)
- (define-key command-mode-map "\C-u" 'command-kill-line))
+(defvar command-mode-map
+ (let ((map (make-sparse-keymap)))
+ (define-key map "\C-m" 'command-send-input)
+ (define-key map "\C-u" 'command-kill-line)
+ map))
(defun subprocess-input (name str)
"Handles input from a subprocess. Called by Emacs."
(if display-subprocess-window
(display-buffer subprocess-buf))
- (let ((old-buffer (current-buffer)))
- (set-buffer subprocess-buf)
+ (with-current-buffer subprocess-buf
(goto-char (point-max))
- (insert str)
- (insert ?\n)
- (set-buffer old-buffer)))
+ (insert str ?\n)))
(defun subprocess-exit (name)
"Called by Emacs upon subprocess exit."
(if subprocess-running
(return t))
(setq subprocess-buf (get-buffer-create "*COMMAND*"))
- (save-excursion
- (set-buffer subprocess-buf)
+ (with-current-buffer subprocess-buf
(use-local-map command-mode-map))
(setq subprocess-running (spawn-subprocess 1 'subprocess-input
'subprocess-exit))
(setq cmd (substring command 0 (string-match " " command)))
(setq args (substring command (string-match " " command)))
(call-process cmd nil buffer nil "*dcl*" args)))
-;BUGS: only the output up to the end of the first image activation is trapped.
-; (if (not subprocess-running)
-; (start-subprocess))
-; (save-excursion
-; (set-buffer buffer)
-; (let ((output-filename (concat "SYS$SCRATCH:OUTPUT-FOR-"
-; (getenv "USER") ".LISTING")))
-; (while (file-exists-p output-filename)
-; (delete-file output-filename))
-; (define-logical-name "SYS$OUTPUT" (concat output-filename "-NEW"))
-; (send-command-to-subprocess 1 command)
-; (send-command-to-subprocess 1 (concat
-; "RENAME " output-filename
-; "-NEW " output-filename))
-; (while (not (file-exists-p output-filename))
-; (sleep-for 1))
-; (define-logical-name "SYS$OUTPUT" nil)
-; (insert-file output-filename)
-; (delete-file output-filename))))
+ ;; BUGS: only the output up to the end of the first image activation is trapped.
+ ;; (if (not subprocess-running)
+ ;; (start-subprocess))
+ ;; (with-current-buffer buffer
+ ;; (let ((output-filename (concat "SYS$SCRATCH:OUTPUT-FOR-"
+ ;; (getenv "USER") ".LISTING")))
+ ;; (while (file-exists-p output-filename)
+ ;; (delete-file output-filename))
+ ;; (define-logical-name "SYS$OUTPUT" (concat output-filename "-NEW"))
+ ;; (send-command-to-subprocess 1 command)
+ ;; (send-command-to-subprocess 1 (concat
+ ;; "RENAME " output-filename
+ ;; "-NEW " output-filename))
+ ;; (while (not (file-exists-p output-filename))
+ ;; (sleep-for 1))
+ ;; (define-logical-name "SYS$OUTPUT" nil)
+ ;; (insert-file output-filename)
+ ;; (delete-file output-filename))))
(defun subprocess-command ()
"Starts asynchronous subprocess if not running and switches to its window."
line to the last line for resubmission."
(interactive)
(beginning-of-line)
- (let ((current-line (buffer-substring (point)
- (progn (end-of-line) (point)))))
+ (let ((current-line (buffer-substring (point) (line-end-position))))
(if (eobp)
(progn
(if (not subprocess-running)
(progn (beginning-of-line) (insert command-prefix-string)))
(next-line 1))))
;; else -- if not at last line in buffer
- (end-of-buffer)
+ (goto-char (point-max))
(backward-char)
(next-line 1)
- (if (string-equal command-prefix-string
- (substring current-line 0 (length command-prefix-string)))
- (insert (substring current-line (length command-prefix-string)))
- (insert current-line)))))
+ (insert
+ (if (compare-strings command-prefix-string nil nil
+ current-line 0 (length command-prefix-string))
+ (substring current-line (length command-prefix-string))
+ current-line)))))
-(defun command-kill-line()
+(defun command-kill-line ()
"Kills the current line. Used in command mode."
(interactive)
(beginning-of-line)
(define-key esc-map "$" 'subprocess-command)
+;; arch-tag: 600b2512-f903-4887-bcd2-e76b306f5b66
;;; vmsproc.el ends here