(command-line-1): Pass arg to other-window.

[bpt/emacs.git] / lisp / vms-patch.el

diff --git a/lisp/vms-patch.el b/lisp/vms-patch.el
index 36e5e3c..93edaa8 100644 (file)
--- a/lisp/vms-patch.el
+++ b/lisp/vms-patch.el
@@ -1,6 +1,6 @@
 ;;; 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
@@ -71,11 +71,24 @@ FILENAME should lack slashes.
 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)
 
@@ -87,6 +100,52 @@ If the logical name `EMACS_FILE_NAME' is defined, `find-file' that file."
 
 (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)
@@ -109,8 +168,22 @@ If the logical name `EMACS_FILE_NAME' is defined, `find-file' that file."
         (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