;;; startup.el --- process Emacs shell arguments
+;; Copyright (C) 1985, 1986, 1992, 1994 Free Software Foundation, Inc.
+
;; Maintainer: FSF
-;; Last-Modified: 09 Jul 1992
;; Keywords: internal
-;; Copyright (C) 1985, 1986, 1992 Free Software Foundation, Inc.
-
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
; -funcall function same
; -l file load file
; -load file same
-; -i file insert file into buffer
; -insert file same
; file visit file
; -kill kill (exit) emacs
(defvar command-line-processed nil "t once command line has been processed")
(defconst inhibit-startup-message nil
- "*Non-nil inhibits the initial startup messages.
+ "*Non-nil inhibits the initial startup message.
This is for use in your personal init file, once you are familiar
with the contents of the startup message.")
+(defconst inhibit-startup-echo-area-message nil
+ "*Non-nil inhibits the initial startup echo area message.
+Inhibition takes effect only if your `.emacs' file contains
+a line of this form:
+ (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")
+If your `.emacs' file is byte-compiled, use the following form instead:
+ (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\"))
+Thus, someone else using a copy of your `.emacs' file will see
+the startup message unless he personally acts to inhibit it.")
+
(defconst inhibit-default-init nil
"*Non-nil inhibits loading the `default' library.")
HANDLER-FUNCTION receives switch name as sole arg;
remaining command-line args are in the variable `command-line-args-left'.")
+(defvar command-line-args-left nil
+ "List of command-line args not yet processed.")
+
(defvar command-line-functions nil ;; lrs 7/31/89
"List of functions to process unrecognized command-line arguments.
Each function should access the dynamically bound variables
-argi (the current argument) and command-line-args-left (the remaining
+`argi' (the current argument) and `command-line-args-left' (the remaining
arguments). The function should return non-nil only if it recognizes and
-processes argi. If it does so, it may consume successive arguments by
-altering command-line-args-left to remove them.")
+processes `argi'. If it does so, it may consume successive arguments by
+altering `command-line-args-left' to remove them.")
+
+(defvar command-line-default-directory nil
+ "Default directory to use for command line arguments.
+This is normally copied from `default-directory' when Emacs starts.")
(defvar before-init-hook nil
- "Functions to call after handling urgent options but before loading init file.
+ "Functions to call after handling urgent options but before init files.
The frame system uses this to open frames to display messages while
Emacs loads the user's initialization file.")
(defvar after-init-hook nil
- "Functions to call after loading the init file (~/.emacs).
+ "Functions to call after loading the init file (`~/.emacs').
The call is not protected by a condition-case, so you can set `debug-on-error'
-in .emacs, and put all the actual code on `after-init-hook'.")
+in `.emacs', and put all the actual code on `after-init-hook'.")
(defvar term-setup-hook nil
- "Functions to be called after loading terminal-specific lisp code.
+ "Functions to be called after loading terminal-specific Lisp code.
See `run-hooks'. This variable exists for users to set,
so as to override the definitions made by the terminal-specific file.
Emacs never sets this variable itself.")
(defvar keyboard-type nil
- "The brand of keyboard you are using. This variable is used to define
+ "The brand of keyboard you are using.
+This variable is used to define
the proper function and keypad keys for use under X. It is used in a
fashion analogous to the environment value TERM.")
(defvar window-setup-hook nil
- "Function called to initialize window system display.
-Emacs calls this after processing the command line arguments and loading
-the user's init file.
-
-Users should not set this variable; use term-setup-hook instead.")
+ "Normal hook run to initialize window system display.
+Emacs runs this hook after processing the command line arguments and loading
+the user's init file.")
(defconst initial-major-mode 'lisp-interaction-mode
"Major mode command symbol to use for the initial *scratch* buffer.")
(defvar init-file-user nil
"Identity of user whose `.emacs' file is or was read.
-The value may be the null string or a string containing a user's name.
-If the value is a null string, it means that the init file was taken from
-the user that originally logged in.
-
-In all cases, `(concat \"~\" init-file-user \"/\")' evaluates to the
-directory name of the directory where the `.emacs' file was looked for.")
+The value is nil if no init file is being used; otherwise, it may be either
+the null string, meaning that the init file was taken from the user that
+originally logged in, or it may be a string containing a user's name.
+
+In either of the latter cases, `(concat \"~\" init-file-user \"/\")'
+evaluates to the name of the directory where the `.emacs' file was
+looked for.")
+
+(defvar site-run-file "site-start"
+ "File containing site-wide run-time initializations.
+This file is loaded at run-time before `~/.emacs'. It contains inits
+that need to be in place for the entire site, but which, due to their
+higher incidence of change, don't make sense to load into emacs'
+dumped image. Thus, the run-time load order is: 1. file described in
+this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'.")
+
+(defconst iso-8859-1-locale-regexp "8859[-_]?1"
+ "Regexp that specifies when to enable the ISO 8859-1 character set.
+We do that if this regexp matches the locale name
+specified by the LC_ALL, LC_CTYPE and LANG environment variables.")
+
+(defvar user-mail-address nil
+ "Full mailing address of this user.")
(defvar init-file-debug nil)
+(defvar init-file-had-error nil)
+
(defun normal-top-level ()
(if command-line-processed
(message "Back to top level.")
(setq command-line-processed t)
- ;; In presence of symlinks, switch to cleaner form of default directory.
(if (not (eq system-type 'vax-vms))
- (mapcar (function
- (lambda (var)
- (let ((value (getenv var)))
- (if (and value
- (< (length value) (length default-directory))
- (equal (file-attributes default-directory)
- (file-attributes value)))
- (setq default-directory
- (file-name-as-directory value))))))
- '("PWD" "HOME")))
+ (progn
+ ;; If the PWD environment variable isn't accurate, delete it.
+ (let ((pwd (getenv "PWD")))
+ (and (stringp pwd)
+ ;; Use FOO/., so that if FOO is a symlink, file-attributes
+ ;; describes the directory linked to, not FOO itself.
+ (or (equal (file-attributes
+ (concat (file-name-as-directory pwd) "."))
+ (file-attributes
+ (concat (file-name-as-directory default-directory)
+ ".")))
+ (setq process-environment
+ (delete (concat "PWD=" pwd)
+ process-environment)))))))
(setq default-directory (abbreviate-file-name default-directory))
- (unwind-protect
- (command-line)
- (run-hooks 'emacs-startup-hook)
- (and term-setup-hook
- (run-hooks 'term-setup-hook))
- (and window-setup-hook
- (run-hooks 'window-setup-hook)))))
+ (setq user-mail-address (concat (user-login-name) "@" (system-name)))
+ (let ((menubar-bindings-done nil))
+ (unwind-protect
+ (command-line)
+ ;; Do this again, in case .emacs defined more abbreviations.
+ (setq default-directory (abbreviate-file-name default-directory))
+ (run-hooks 'emacs-startup-hook)
+ (and term-setup-hook
+ (run-hooks 'term-setup-hook))
+ ;; Modify the initial frame based on what .emacs puts into
+ ;; ...-frame-alist.
+ (if (fboundp 'frame-notice-user-settings)
+ (frame-notice-user-settings))
+ ;; Now we know the user's default font, so add it to the menu.
+ (if (fboundp 'font-menu-add-default)
+ (font-menu-add-default))
+ (and window-setup-hook
+ (run-hooks 'window-setup-hook))
+ (or menubar-bindings-done
+ (precompute-menubar-bindings))))))
+
+;; Precompute the keyboard equivalents in the menu bar items.
+(defun precompute-menubar-bindings ()
+ (if (eq window-system 'x)
+ (let ((submap (lookup-key global-map [menu-bar])))
+ (while submap
+ (and (consp (car submap))
+ (symbolp (car (car submap)))
+ (stringp (car-safe (cdr (car submap))))
+ (keymapp (cdr (cdr (car submap))))
+ (x-popup-menu nil (cdr (cdr (car submap)))))
+ (setq submap (cdr submap))))))
(defun command-line ()
- ;; See if we should import version-control from the envionment variable.
+ (setq command-line-default-directory default-directory)
+
+ ;; See if we should import version-control from the environment variable.
(let ((vc (getenv "VERSION_CONTROL")))
(cond ((eq vc nil)) ;don't do anything if not set
((or (string= vc "t")
(string= vc "simple"))
(setq version-control 'never))))
+ (if (let ((ctype
+ ;; Use the first of these three envvars that has a nonempty value.
+ (or (let ((string (getenv "LC_ALL")))
+ (and (not (equal string "")) string))
+ (let ((string (getenv "LC_CTYPE")))
+ (and (not (equal string "")) string))
+ (let ((string (getenv "LANG")))
+ (and (not (equal string "")) string)))))
+ (and ctype
+ (string-match iso-8859-1-locale-regexp ctype)))
+ (progn
+ (standard-display-european t)
+ (require 'iso-syntax)))
+
;;! This has been commented out; I currently find the behavior when
;;! split-window-keep-point is nil disturbing, but if I can get used
;;! to it, then it would be better to eliminate the option.
;;! (setq split-window-keep-point (> baud-rate 2400))
;; Read window system's init file if using a window system.
- (if (and window-system (not noninteractive))
- (load (concat term-file-prefix
- (symbol-name window-system)
- "-win")
- ;; Every window system should have a startup file;
- ;; barf if we can't find it.
- nil t))
+ (condition-case error
+ (if (and window-system (not noninteractive))
+ (load (concat term-file-prefix
+ (symbol-name window-system)
+ "-win")
+ ;; Every window system should have a startup file;
+ ;; barf if we can't find it.
+ nil t))
+ ;; If we can't read it, print the error message and exit.
+ (error
+ (princ
+ (if (eq (car error) 'error)
+ (apply 'concat (cdr error))
+ (if (memq 'file-error (get (car error) 'error-conditions))
+ (format "%s: %s"
+ (nth 1 error)
+ (mapconcat '(lambda (obj) (prin1-to-string obj t))
+ (cdr (cdr error)) ", "))
+ (format "%s: %s"
+ (get (car error) 'error-message)
+ (mapconcat '(lambda (obj) (prin1-to-string obj t))
+ (cdr error) ", "))))
+ 'external-debugging-output)
+ (setq window-system nil)
+ (kill-emacs)))
(let ((done nil)
(args (cdr command-line-args)))
(setq args (cdr args)
init-file-user (car args)
args (cdr args)))
+ ((string-equal argi "-no-site-file")
+ (setq site-run-file nil
+ args (cdr args)))
((string-equal argi "-debug-init")
(setq init-file-debug t
args (cdr args)))
;; Re-attach the program name to the front of the arg list.
(setcdr command-line-args args))
+ ;; Under X Windows, this creates the X frame and deletes the terminal frame.
+ (if (fboundp 'face-initialize)
+ (face-initialize))
+ (if (fboundp 'frame-initialize)
+ (frame-initialize))
+ ;; If frame was created with a menu bar, set menu-bar-mode on.
+ (if (and (eq window-system 'x)
+ (> (cdr (assq 'menu-bar-lines (frame-parameters))) 0))
+ (menu-bar-mode t))
+
(run-hooks 'before-init-hook)
+ ;; Run the site-start library if it exists. The point of this file is
+ ;; that it is run before .emacs. There is no point in doing this after
+ ;; .emacs; that is useless.
+ (if site-run-file
+ (load site-run-file t t))
+
+ ;; Sites should not disable this. Only individuals should disable
+ ;; the startup message.
+ (setq inhibit-startup-message nil)
+
;; Load that user's init file, or the default one, or none.
- (let ((debug-on-error init-file-debug)
- ;; This function actually reads the init files.
- (inner
- (function
- (lambda ()
- (if init-file-user
- (progn (load (if (eq system-type 'vax-vms)
- "sys$login:.emacs"
- (concat "~" init-file-user "/.emacs"))
- t t t)
- (or inhibit-default-init
- (let ((inhibit-startup-message nil))
- ;; Users are supposed to be told their rights.
- ;; (Plus how to get help and how to undo.)
- ;; Don't you dare turn this off for anyone
- ;; except yourself.
- (load "default" t t)))))))))
- (if init-file-debug
- ;; Do this without a condition-case if the user wants to debug.
- (funcall inner)
- (condition-case error
+ (let (debug-on-error-from-init-file
+ debug-on-error-should-be-set
+ (debug-on-error-initial
+ (if (eq init-file-debug t) 'startup init-file-debug)))
+ (let ((debug-on-error debug-on-error-initial)
+ ;; This function actually reads the init files.
+ (inner
+ (function
+ (lambda ()
+ (if init-file-user
+ (progn
+ (setq user-init-file
+ (cond
+ ((eq system-type 'ms-dos)
+ (concat "~" init-file-user "/_emacs"))
+ ((eq system-type 'vax-vms)
+ "sys$login:.emacs")
+ (t
+ (concat "~" init-file-user "/.emacs"))))
+ (load user-init-file t t t)
+ (or inhibit-default-init
+ (let ((inhibit-startup-message nil))
+ ;; Users are supposed to be told their rights.
+ ;; (Plus how to get help and how to undo.)
+ ;; Don't you dare turn this off for anyone
+ ;; except yourself.
+ (load "default" t t)))))))))
+ (if init-file-debug
+ ;; Do this without a condition-case if the user wants to debug.
(funcall inner)
- (error (message "Error in init file: %s%s%s"
- (get (car error) 'error-message)
- (if (cdr error) ": ")
- (mapconcat 'prin1-to-string (cdr error) ", "))))))
+ (condition-case error
+ (progn
+ (funcall inner)
+ (setq init-file-had-error nil))
+ (error (message "Error in init file: %s%s%s"
+ (get (car error) 'error-message)
+ (if (cdr error) ": " "")
+ (mapconcat 'prin1-to-string (cdr error) ", "))
+ (setq init-file-had-error t))))
+ ;; If we can tell that the init file altered debug-on-error,
+ ;; arrange to preserve the value that it set up.
+ (or (eq debug-on-error debug-on-error-initial)
+ (setq debug-on-error-should-be-set t
+ debug-on-error-from-init-file debug-on-error)))
+ (if debug-on-error-should-be-set
+ (setq debug-on-error debug-on-error-from-init-file)))
(run-hooks 'after-init-hook)
(if noninteractive (kill-emacs t)))
(defun command-line-1 (command-line-args-left)
+ (or noninteractive (input-pending-p) init-file-had-error
+ (and inhibit-startup-echo-area-message
+ (let ((buffer (get-buffer-create " *temp*")))
+ (prog1
+ (condition-case nil
+ (save-excursion
+ (set-buffer buffer)
+ (insert-file-contents user-init-file)
+ (re-search-forward
+ (concat
+ "([ \t\n]*setq[ \t\n]+"
+ "inhibit-startup-echo-area-message[ \t\n]+"
+ (regexp-quote
+ (prin1-to-string
+ (if (string= init-file-user "")
+ (user-login-name)
+ init-file-user)))
+ "[ \t\n]*)")
+ nil t))
+ (error nil))
+ (kill-buffer buffer))))
+ (message (if (eq (key-binding "\C-h\C-p") 'describe-project)
+ "For information about the GNU Project and its goals, type C-h C-p."
+ (substitute-command-keys
+ "For information about the GNU Project and its goals, type \\[describe-project]."))))
(if (null command-line-args-left)
(cond ((and (not inhibit-startup-message) (not noninteractive)
;; Don't clobber a non-scratch buffer if init file
(run-hooks 'term-setup-hook))
;; Don't let the hook be run twice.
(setq term-setup-hook nil)
+
+ ;; It's important to notice the user settings before we
+ ;; display the startup message; otherwise, the settings
+ ;; won't take effect until the user gives the first
+ ;; keystroke, and that's distracting.
+ (if (fboundp 'frame-notice-user-settings)
+ (frame-notice-user-settings))
+
(and window-setup-hook
(run-hooks 'window-setup-hook))
(setq window-setup-hook nil)
+ ;; Do this now to avoid an annoying delay if the user
+ ;; clicks the menu bar during the sit-for.
+ (precompute-menubar-bindings)
+ (setq menubar-bindings-done t)
(unwind-protect
(progn
(insert (emacs-version)
"
-Copyright (C) 1991 Free Software Foundation, Inc.\n\n")
+Copyright (C) 1994 Free Software Foundation, Inc.\n\n")
;; If keys have their default meanings,
;; use precomputed string to save lots of time.
(if (and (eq (key-binding "\C-h") 'help-command)
"Type C-h for help; C-x u to undo changes. (`C-' means use CTRL key.)
To kill the Emacs job, type C-x C-c.
Type C-h t for a tutorial on using Emacs.
+Type C-h i to enter Info, which you can use to read GNU documentation.
GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details.
You may give out copies of Emacs; type C-h C-c to see the conditions.
"Type \\[help-command] for help; \\[advertised-undo] to undo changes. (`C-' means use CTRL key.)
To kill the Emacs job, type \\[save-buffers-kill-emacs].
Type \\[help-with-tutorial] for a tutorial on using Emacs.
+Type \\[info] to enter Info, which you can use to read GNU documentation.
GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details.
You may give out copies of Emacs; type \\[describe-copying] to see the conditions.
(set-buffer (get-buffer "*scratch*"))
(erase-buffer)
(set-buffer-modified-p nil)))))
- (let ((dir default-directory)
+ (let ((dir command-line-default-directory)
(file-count 0)
first-file-buffer
(line 0))
(setq file (expand-file-name file)))
(load file nil t))
(setq command-line-args-left (cdr command-line-args-left)))
- ((or (string-equal argi "-i")
- (string-equal argi "-insert"))
+ ((string-equal argi "-insert")
(or (stringp (car command-line-args-left))
- (error "filename omitted from `-i' option"))
+ (error "filename omitted from `-insert' option"))
(insert-file-contents (car command-line-args-left))
(setq command-line-args-left (cdr command-line-args-left)))
((string-equal argi "-kill")
;; show user what they all are.
(if (> file-count 2)
(or (get-buffer-window first-file-buffer)
- (progn (other-window)
+ (progn (other-window 1)
(buffer-menu)))))))
;;; startup.el ends here
HCoop / bpt / emacs.git / blobdiff