;;; server.el --- Lisp code for GNU Emacs running as server process -*- lexical-binding: t -*-
-;; Copyright (C) 1986-1987, 1992, 1994-2015 Free Software Foundation,
+;; Copyright (C) 1986-1987, 1992, 1994-2016 Free Software Foundation,
;; Inc.
;; Author: William Sommerfeld <wesommer@athena.mit.edu>
:type 'boolean
:version "21.1")
+;; FIXME? This is not a minor mode; what's the point of this? (See bug#20201)
(or (assq 'server-buffer-clients minor-mode-alist)
(push '(server-buffer-clients " Server") minor-mode-alist))
((and w32 (zerop uid)) ; on FAT32?
(display-warning
'server
- (format "Using `%s' to store Emacs-server authentication files.
+ (format-message "\
+Using `%s' to store Emacs-server authentication files.
Directories on FAT32 filesystems are NOT secure against tampering.
See variable `server-auth-dir' for details."
(file-name-as-directory dir))
(if server-auth-key
(if (string-match-p "^[!-~]\\{64\\}$" server-auth-key)
server-auth-key
- (error "The key '%s' is invalid" server-auth-key))
+ (error "The key `%s' is invalid" server-auth-key))
(server-generate-key)))
;;;###autoload
(concat "Unable to start the Emacs server.\n"
(format "There is an existing Emacs server, named %S.\n"
server-name)
- "To start the server in this Emacs process, stop the existing
-server or call `M-x server-force-delete' to forcibly disconnect it.")
+ (substitute-command-keys
+ "To start the server in this Emacs process, stop the existing
+server or call `\\[server-force-delete]' to forcibly disconnect it."))
:warning)
(setq leave-dead t))
;; If this Emacs already had a server, clear out associated status.
:name server-name
:server t
:noquery t
- :sentinel 'server-sentinel
- :filter 'server-process-filter
+ :sentinel #'server-sentinel
+ :filter #'server-process-filter
;; We must receive file names without being decoded.
;; Those are decoded by server-process-filter according
;; to file-name-coding-system. Also don't get
(w (or (cdr (assq 'window-system parameters))
(window-system-for-display display))))
- (unless (assq w window-system-initialization-alist)
- (setq w nil))
-
;; Special case for ns. This is because DISPLAY may not be set at all
;; which in the ns case isn't an error. The variable display then becomes
;; the fully qualified hostname, which make-frame-on-display below
;; It may also be a valid X display, but if Emacs is compiled for ns, it
;; can not make X frames.
(if (featurep 'ns-win)
- (setq w 'ns display "ns"))
+ (setq w 'ns display "ns")
+ ;; FIXME! Not sure what this was for, and not sure how it should work
+ ;; in the cl-defmethod new world!
+ ;;(unless (assq w window-system-initialization-alist)
+ ;; (setq w nil))
+ )
(cond (w
;; Flag frame as client-created, but use a dummy client.
;; frame. If running a GUI server, force the frame
;; type to GUI. (Cygwin is perfectly happy with
;; multi-tty support, so don't override the user's
- ;; choice there.)
+ ;; choice there.) In daemon mode on Windows, we can't
+ ;; make tty frames, so force the frame type to GUI
+ ;; there too.
(when (and (eq system-type 'windows-nt)
- (eq window-system 'w32))
+ (or (daemonp)
+ (eq window-system 'w32)))
(push "-window-system" args-left)))
;; -position LINE[:COLUMN]: Set point to the given
(let ((file (pop args-left)))
(if coding-system
(setq file (decode-coding-string file coding-system)))
+ ;; Allow Cygwin's emacsclient to be used as a file
+ ;; handler on MS-Windows, in which case FILENAME
+ ;; might start with a drive letter.
+ (when (and (fboundp 'cygwin-convert-file-name-from-windows)
+ (string-match "\\`[A-Za-z]:" file))
+ (setq file (cygwin-convert-file-name-from-windows file)))
(setq file (expand-file-name file dir))
(push (cons file filepos) files)
(server-log (format "New file: %s %s"
- file (or filepos "")) proc))
+ file (or filepos ""))
+ proc))
(setq filepos nil))
;; -eval EXPR: Evaluate a Lisp expression.
terminal-frame)))))
(setq tty-name nil tty-type nil)
(if display (server-select-display display)))
- ((eq tty-name 'window-system)
+ ((or (and (eq system-type 'windows-nt)
+ (daemonp)
+ (setq display "w32"))
+ (eq tty-name 'window-system))
(server-create-window-system-frame display nowait proc
parent-id
frame-parameters))
(defun server-kill-emacs-query-function ()
"Ask before exiting Emacs if it has live clients."
- (or (not server-clients)
- (let (live-client)
- (dolist (proc server-clients)
- (when (memq t (mapcar 'buffer-live-p (process-get
- proc 'buffers)))
- (setq live-client t)))
- live-client)
+ (or (not (let (live-client)
+ (dolist (proc server-clients)
+ (when (memq t (mapcar 'buffer-live-p (process-get
+ proc 'buffers)))
+ (setq live-client t)))
+ live-client))
(yes-or-no-p "This Emacs session has clients; exit anyway? ")))
(defun server-kill-buffer ()
"Contact the Emacs server named SERVER and evaluate FORM there.
Returns the result of the evaluation, or signals an error if it
cannot contact the specified server. For example:
- (server-eval-at \"server\" '(emacs-pid))
+ (server-eval-at \"server\" \\='(emacs-pid))
returns the process ID of the Emacs instance running \"server\"."
(let* ((server-dir (if server-use-tcp server-auth-dir server-socket-dir))
(server-file (expand-file-name server server-dir))