;;; vms-patch.el --- override parts of files.el for VMS.
-;; Copyright (C) 1986 Free Software Foundation, Inc.
+;; Copyright (C) 1986, 1992 Free Software Foundation, Inc.
+
+;; Maintainer: FSF
+;; Keywords: vms
;; 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 1, or (at your option)
+;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;;; Code:
;;; Functions that need redefinition
This is a separate function so your .emacs file or site-init.el can redefine it."
(string-match "^_\\$.*\\$" filename))
+;;;
+;;; This goes along with kepteditor.com which defines these logicals
+;;; If EMACS_COMMAND_ARGS is defined, it supersedes EMACS_FILE_NAME,
+;;; which is probably set up incorrectly anyway.
+;;; The function command-line-again is a kludge, but it does the job.
+;;;
(defun vms-suspend-resume-hook ()
"When resuming suspended Emacs, check for file to be found.
If the logical name `EMACS_FILE_NAME' is defined, `find-file' that file."
- (let ((file (vms-system-info "LOGICAL" "EMACS_FILE_NAME")))
- (if file (find-file file))))
+ (let ((file (vms-system-info "LOGICAL" "EMACS_FILE_NAME"))
+ (args (vms-system-info "LOGICAL" "EMACS_COMMAND_ARGS"))
+ (line (vms-system-info "LOGICAL" "EMACS_FILE_LINE")))
+ (if (not args)
+ (if file
+ (progn (find-file file)
+ (if line (goto-line (string-to-int line)))))
+ (cd (file-name-directory file))
+ (vms-command-line-again))))
(setq suspend-resume-hook 'vms-suspend-resume-hook)
(setq suspend-hook 'vms-suspend-hook)
+;;;
+;;; A kludge that allows reprocessing of the command line. This is mostly
+;;; to allow a spawned VMS mail process to do something reasonable when
+;;; used in conjunction with the modifications to sysdep.c that allow
+;;; Emacs to attach to a "foster" parent.
+;;;
+(defun vms-command-line-again ()
+ "Reprocess command line arguments. VMS specific.
+Command line arguments are initialized from the logical EMACS_COMMAND_ARGS
+which is defined by kepteditor.com. On VMS this allows attaching to a
+spawned Emacs and doing things like \"emacs -l myfile.el -f doit\""
+ (let* ((args (downcase (vms-system-info "LOGICAL" "EMACS_COMMAND_ARGS")))
+ (command-line-args (list "emacs"))
+ (beg 0)
+ (end 0)
+ (len (length args))
+ this-char)
+ (if args
+ (progn
+;;; replace non-printable stuff with spaces
+ (while (< beg (length args))
+ (if (or (> 33 (setq this-char (aref args beg)))
+ (< 127 this-char))
+ (aset args beg 32))
+ (setq beg (1+ beg)))
+ (setq beg (1- (length args)))
+ (while (= 32 (aref args beg)) (setq beg (1- beg)))
+ (setq args (substring args 0 (1+ beg)))
+ (setq beg 0)
+;;; now start parsing args
+ (while (< beg (length args))
+ (while (and (< beg (length args))
+ (or (> 33 (setq this-char (aref args beg)))
+ (< 127 this-char))
+ (setq beg (1+ beg))))
+ (setq end (1+ beg))
+ (while (and (< end (length args))
+ (< 32 (setq this-char (aref args end)))
+ (> 127 this-char))
+ (setq end (1+ end)))
+ (setq command-line-args (append
+ command-line-args
+ (list (substring args beg end))))
+ (setq beg (1+ end)))
+ (command-line)))))
+
(defun vms-read-directory (dirname switches buffer)
(save-excursion
(set-buffer buffer)
(send-command-to-subprocess
1
(concat command
- " sys$login:delete-me.txt/name=""GNUprintbuffer"" "
+ " sys$login:delete-me.txt/name=\"GNUprintbuffer\" "
(mapconcat 'identity switches " "))
nil nil nil)))
+;;;
+;;; Fuctions for using Emacs as a VMS Mail editor
+;;;
+(autoload 'vms-pmail-setup "vms-pmail"
+ "Set up file assuming use by VMS Mail utility.
+The buffer is put into text-mode, auto-save is turned off and the
+following bindings are established.
+
+\\[vms-pmail-save-and-exit] vms-pmail-save-and-exit
+\\[vms-pmail-abort] vms-pmail-abort
+
+All other Emacs commands are still available."
+ t)
+
;;; vms-patch.el ends here