;;; startup.el --- process Emacs shell arguments
-;; Copyright (C) 1985, 1986, 1992, 1994, 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 86, 92, 94, 95, 96, 97, 1998, 1999 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
;; 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., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
;;; Commentary:
(setq top-level '(normal-top-level))
-(defvar command-line-processed nil "t once command line has been processed")
+(defvar command-line-processed nil
+ "Non-nil once command line has been processed")
-(defconst inhibit-startup-message nil
+(defgroup initialization nil
+ "Emacs start-up procedure"
+ :group 'internal)
+
+(defcustom inhibit-startup-message nil
"*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.")
+with the contents of the startup message."
+ :type 'boolean
+ :group 'initialization)
-(defconst inhibit-startup-echo-area-message nil
+(defcustom 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:
+Setting this variable takes effect
+only if you do it with the customization buffer
+or 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.")
+the startup message unless he personally acts to inhibit it."
+ :type '(choice (const :tag "Don't inhibit")
+ (string :tag "Enter your user name, to inhibit"))
+ :group 'initialization)
-(defconst inhibit-default-init nil
- "*Non-nil inhibits loading the `default' library.")
+(defcustom inhibit-default-init nil
+ "*Non-nil inhibits loading the `default' library."
+ :type 'boolean
+ :group 'initialization)
-(defconst command-switch-alist nil
+(defvar command-switch-alist nil
"Alist of command-line switches.
Elements look like (SWITCH-STRING . HANDLER-FUNCTION).
HANDLER-FUNCTION receives switch name as sole arg;
"Default directory to use for command line arguments.
This is normally copied from `default-directory' when Emacs starts.")
+;;; This is here, rather than in x-win.el, so that we can ignore these
+;;; options when we are not using X.
+(defvar command-line-x-option-alist
+ '(("-bw" 1 x-handle-numeric-switch border-width)
+ ("-d" 1 x-handle-display)
+ ("-display" 1 x-handle-display)
+ ("-name" 1 x-handle-name-switch)
+ ("-title" 1 x-handle-switch title)
+ ("-T" 1 x-handle-switch title)
+ ("-r" 0 x-handle-switch reverse t)
+ ("-rv" 0 x-handle-switch reverse t)
+ ("-reverse" 0 x-handle-switch reverse t)
+ ("-reverse-video" 0 x-handle-switch reverse t)
+ ("-fn" 1 x-handle-switch font)
+ ("-font" 1 x-handle-switch font)
+ ("-ib" 1 x-handle-numeric-switch internal-border-width)
+ ("-g" 1 x-handle-geometry)
+ ("-geometry" 1 x-handle-geometry)
+ ("-fg" 1 x-handle-switch foreground-color)
+ ("-foreground" 1 x-handle-switch foreground-color)
+ ("-bg" 1 x-handle-switch background-color)
+ ("-background" 1 x-handle-switch background-color)
+ ("-ms" 1 x-handle-switch mouse-color)
+ ("-itype" 0 x-handle-switch icon-type t)
+ ("-i" 0 x-handle-switch icon-type t)
+ ("-iconic" 0 x-handle-iconic)
+ ("-xrm" 1 x-handle-xrm-switch)
+ ("-cr" 1 x-handle-switch cursor-color)
+ ("-vb" 0 x-handle-switch vertical-scroll-bars t)
+ ("-hb" 0 x-handle-switch horizontal-scroll-bars t)
+ ("-bd" 1 x-handle-switch)
+ ("--border-width" 1 x-handle-numeric-switch border-width)
+ ("--display" 1 x-handle-display)
+ ("--name" 1 x-handle-name-switch)
+ ("--title" 1 x-handle-switch title)
+ ("--reverse-video" 0 x-handle-switch reverse t)
+ ("--font" 1 x-handle-switch font)
+ ("--internal-border" 1 x-handle-numeric-switch internal-border-width)
+ ("--geometry" 1 x-handle-geometry)
+ ("--foreground-color" 1 x-handle-switch foreground-color)
+ ("--background-color" 1 x-handle-switch background-color)
+ ("--mouse-color" 1 x-handle-switch mouse-color)
+ ("--icon-type" 0 x-handle-switch icon-type t)
+ ("--iconic" 0 x-handle-iconic)
+ ("--xrm" 1 x-handle-xrm-switch)
+ ("--cursor-color" 1 x-handle-switch cursor-color)
+ ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t)
+ ("--border-color" 1 x-handle-switch border-width))
+ "Alist of X Windows options.
+Each element has the form
+ (NAME NUMARGS HANDLER FRAME-PARAM VALUE)
+where NAME is the option name string, NUMARGS is the number of arguments
+that the option accepts, HANDLER is a function to call to handle the option.
+FRAME-PARAM (optional) is the frame parameter this option specifies,
+and VALUE is the value which is given to that frame parameter
+\(most options use the argument for this, so VALUE is not present).")
+
(defvar before-init-hook nil
- "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.")
+ "Normal hook run after handling urgent options but before loading init files.")
(defvar after-init-hook nil
- "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'.")
+ "Normal hook run after loading the init files, `~/.emacs' and `default.el'.
+There is no `condition-case' around the running of these functions;
+therefore, if you set `debug-on-error' non-nil in `.emacs',
+an error in one of these functions will invoke the debugger.")
+
+(defvar emacs-startup-hook nil
+ "Normal hook run after loading init files and handling the command line.")
(defvar term-setup-hook nil
- "Functions to be called after loading terminal-specific Lisp code.
-See `run-hooks'. This variable exists for users to set,
+ "Normal hook run after loading terminal-specific Lisp code.
+It also follows `emacs-startup-hook'. This hook exists for users to set,
so as to override the definitions made by the terminal-specific file.
Emacs never sets this variable itself.")
"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.")
+fashion analogous to the environment variable TERM.")
(defvar window-setup-hook nil
"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.")
+(defcustom initial-major-mode 'lisp-interaction-mode
+ "Major mode command symbol to use for the initial *scratch* buffer."
+ :type 'function
+ :group 'initialization)
-(defvar init-file-user nil
+(defcustom init-file-user nil
"Identity of user whose `.emacs' file is or was read.
-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.
+The value is nil if `-q' or `--no-init-file' was specified,
+meaning do not load any init file.
+
+Otherwise, the value may be the null string, meaning use the init file
+for the user that originally logged in, or it may be a
+string containing a user's name meaning use that person's init file.
In either of the latter cases, `(concat \"~\" init-file-user \"/\")'
evaluates to the name of the directory where the `.emacs' file was
looked for.
Setting `init-file-user' does not prevent Emacs from loading
-`site-start.el'. The only way to do that is to use `--no-site-file'.")
+`site-start.el'. The only way to do that is to use `--no-site-file'."
+ :type '(choice (const :tag "none" nil) string)
+ :group 'initialization)
-(defvar site-run-file "site-start"
+(defcustom 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
override them. Users can prevent loading `default.el' with the `-q'
option or by setting `inhibit-default-init' in their own init files,
but inhibiting `site-start.el' requires `--no-site-file', which
-is less convenient.")
-
-(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 mail-host-address nil
- "*Name of this machine, for purposes of naming users.")
-
-(defvar user-mail-address nil
- "*Full mailing address of this user.")
-
-(defvar auto-save-list-file-prefix "~/.saves-"
- "Prefix for generating auto-save-list-file-name.
-Emacs's pid and the system name will be appended to
-this prefix to create a unique file name.")
+is less convenient."
+ :type '(choice (const :tag "none" nil) string)
+ :group 'initialization)
+
+(defconst iso-8859-n-locale-regexp "8859[-_]?\\([1-49]\\)\\>"
+ "Regexp that specifies when to enable an ISO 8859-N character set.
+We do that if this regexp matches the locale name specified by
+one of the environment variables LC_ALL, LC_CTYPE, or LANG.
+The paren group in the regexp should match the specific character
+set number, N. Currently only Latin-[12345] are supported.
+\(Note that Latin-5 is ISO 8859-9, because 8859-[678] are non-Latin
+alphabets; hence, supported values of N are [12349].\)")
+
+(defcustom mail-host-address nil
+ "*Name of this machine, for purposes of naming users."
+ :type '(choice (const nil) string)
+ :group 'mail)
+
+(defcustom user-mail-address nil
+ "*Full mailing address of this user.
+This is initialized based on `mail-host-address',
+after your init file is read, in case it sets `mail-host-address'."
+ :type 'string
+ :group 'mail)
+
+(defcustom auto-save-list-file-prefix
+ (if (eq system-type 'ms-dos)
+ "~/_s" ; MS-DOS cannot have initial dot, and allows only 8.3 names
+ "~/.saves-")
+ "Prefix for generating `auto-save-list-file-name'.
+This is used after reading your `.emacs' file to initialize
+`auto-save-list-file-name', by appending Emacs's pid and the system name,
+if you have not already set `auto-save-list-file-name' yourself.
+Set this to nil if you want to prevent `auto-save-list-file-name'
+from being initialized."
+ :type '(choice (const :tag "Don't record a session's auto save list" nil)
+ string)
+ :group 'auto-save)
+
+(defvar locale-translation-file-name
+ (let ((files '("/usr/lib/X11/locale/locale.alias" ; e.g. X11R6.4
+ "/usr/X11R6/lib/X11/locale/locale.alias" ; e.g. RedHat 4.2
+ "/usr/openwin/lib/locale/locale.alias" ; e.g. Solaris 2.6
+ ;;
+ ;; The following name appears after the X-related names above,
+ ;; since the X-related names are what X actually uses.
+ "/usr/share/locale/locale.alias" ; GNU/Linux sans X
+ )))
+ (while (and files (not (file-exists-p (car files))))
+ (setq files (cdr files)))
+ (car files))
+ "*File name for the system's file of locale-name aliases, or nil if none.")
(defvar init-file-debug nil)
(defvar init-file-had-error nil)
-;; This function is called from the subdirs.el file.
+(defvar normal-top-level-add-subdirs-inode-list nil)
+
+(defun normal-top-level-add-subdirs-to-load-path ()
+ "Add all subdirectories of current directory to `load-path'.
+More precisely, this uses only the subdirectories whose names
+start with letters or digits; it excludes any subdirectory named `RCS'
+or `CVS', and any subdirectory that contains a file named `.nosearch'."
+ (let (dirs
+ attrs
+ (pending (list default-directory)))
+ ;; This loop does a breadth-first tree walk on DIR's subtree,
+ ;; putting each subdir into DIRS as its contents are examined.
+ (while pending
+ (setq dirs (cons (car pending) dirs))
+ (setq pending (cdr pending))
+ (setq attrs (nthcdr 10 (file-attributes (car dirs))))
+ (let ((contents (directory-files (car dirs)))
+ (default-directory (car dirs)))
+ (unless (member attrs normal-top-level-add-subdirs-inode-list)
+ (setq normal-top-level-add-subdirs-inode-list
+ (cons attrs normal-top-level-add-subdirs-inode-list))
+ (while contents
+ (unless (member (car contents) '("." ".." "RCS" "CVS"))
+ (when (and (string-match "\\`[a-zA-Z0-9]" (car contents))
+ ;; Avoid doing a `stat' when it isn't necessary
+ ;; because that can cause trouble when an NFS server
+ ;; is down.
+ (not (string-match "\\.elc?\\'" (car contents)))
+ (file-directory-p (car contents)))
+ (let ((expanded (expand-file-name (car contents))))
+ (unless (file-exists-p (expand-file-name ".nosearch"
+ expanded))
+ (setq pending (nconc pending (list expanded)))))))
+ (setq contents (cdr contents))))))
+ (normal-top-level-add-to-load-path (cdr (nreverse dirs)))))
+
+;; This function is called from a subdirs.el file.
+;; It assumes that default-directory is the directory
+;; in which the subdirs.el file exists,
+;; and it adds to load-path the subdirs of that directory
+;; as specified in DIRS. Normally the elements of DIRS are relative.
(defun normal-top-level-add-to-load-path (dirs)
- (let ((tail (member default-directory load-path)))
+ (let ((tail load-path)
+ (thisdir (directory-file-name default-directory)))
+ (while (and tail
+ (not (equal thisdir (car tail)))
+ (not (and (memq system-type '(ms-dos windows-nt))
+ (equal (downcase thisdir) (downcase (car tail))))))
+ (setq tail (cdr tail)))
(setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail)))))
(defun normal-top-level ()
(save-excursion
(set-buffer (get-buffer "*Messages*"))
(setq default-directory dir)))
+ ;; For root, preserve owner and group when editing files.
+ (if (equal (user-uid) 0)
+ (setq backup-by-copying-when-mismatch t))
;; Look in each dir in load-path for a subdirs.el file.
;; If we find one, load it, which will add the appropriate subdirs
;; of that dir into load-path,
(delete (concat "PWD=" pwd)
process-environment)))))))
(setq default-directory (abbreviate-file-name default-directory))
- (setq user-mail-address (concat (user-login-name) "@"
- (or mail-host-address
- (system-name))))
- ;; Specify the file for recording all the auto save files of this session.
- ;; This is used by recover-session.
- (setq auto-save-list-file-name
- (expand-file-name
- (format "%s%d-%s"
- auto-save-list-file-prefix
- (emacs-pid)
- (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))
+ ;; Specify the file for recording all the auto save files of this session.
+ ;; This is used by recover-session.
+ (or auto-save-list-file-name
+ (and auto-save-list-file-prefix
+ (setq auto-save-list-file-name
+ ;; Under MS-DOS our PID is almost always reused between
+ ;; Emacs invocations. We need something more unique.
+ (if (eq system-type 'ms-dos)
+ (concat
+ (make-temp-name
+ (expand-file-name auto-save-list-file-prefix))
+ "~")
+
+ (expand-file-name (format "%s%d-%s~"
+ auto-save-list-file-prefix
+ (emacs-pid)
+ (system-name)))))))
(run-hooks 'emacs-startup-hook)
(and term-setup-hook
(run-hooks 'term-setup-hook))
(and window-setup-hook
(run-hooks 'window-setup-hook))
(or menubar-bindings-done
- (if (eq window-system 'x)
+ (if (memq window-system '(x w32))
(precompute-menubar-bindings)))))))
;; Precompute the keyboard equivalents in the menu bar items.
(defun command-line ()
(setq command-line-default-directory default-directory)
+ ;; Choose a reasonable location for temporary files.
+ (setq temporary-file-directory
+ (file-name-as-directory
+ (cond ((memq system-type '(ms-dos windows-nt))
+ (or (getenv "TEMP") (getenv "TMPDIR") (getenv "TMP") "c:/temp"))
+ ((memq system-type '(vax-vms axp-vms))
+ (or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "SYS$SCRATCH:"))
+ (t
+ (or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP") "/tmp")))))
+
;; 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
(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
- (require 'disp-table)
- (standard-display-european t)
- (require 'iso-syntax)))
+ (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)))))
+ ;; Translate "swedish" into "sv_SE.ISO-8859-1", and so on,
+ ;; using the translation file that GNU/Linux systems have.
+ (and ctype
+ locale-translation-file-name
+ (not (string-match iso-8859-n-locale-regexp ctype))
+ (with-temp-buffer
+ (insert-file-contents locale-translation-file-name)
+ (if (re-search-forward
+ (concat "^" (regexp-quote ctype) ":?[ \t]+") nil t)
+ (setq ctype (buffer-substring (point)
+ (progn (end-of-line) (point)))))))
+ ;; Now see if the locale specifies an ISO 8859 character set.
+ (when (and ctype
+ (string-match iso-8859-n-locale-regexp ctype))
+ (let (charset (which (match-string 1 ctype)))
+ (if (equal "9" which)
+ (setq which "5"))
+ (setq charset (concat "latin-" which))
+ (when (string-match "latin-[12345]" charset)
+ ;; Set up for this character set.
+ ;; This is now the right way to do it
+ ;; for both unibyte and multibyte modes.
+ (set-language-environment charset)
+ (unless (or noninteractive (eq window-system 'x))
+ ;; Send those codes literally to a non-X terminal.
+ (when default-enable-multibyte-characters
+ ;; If this is nil, we are using single-byte characters,
+ ;; so the terminal coding system is irrelevant.
+ (set-terminal-coding-system
+ (intern (downcase charset)))))
+ (standard-display-european-internal)))))
;;! This has been commented out; I currently find the behavior when
;;! split-window-keep-point is nil disturbing, but if I can get used
;;! ;; Choose a good default value for split-window-keep-point.
;;! (setq split-window-keep-point (> baud-rate 2400))
+ ;; Set the default strings to display in mode line for
+ ;; end-of-line formats that aren't native to this platform.
+ (cond
+ ((memq system-type '(ms-dos windows-nt emx))
+ (setq eol-mnemonic-unix "(Unix)")
+ (setq eol-mnemonic-mac "(Mac)"))
+ ;; Mac-specific settings should come here, once there's a
+ ;; system-type symbol specific to MacOS.
+ (t ; this is for Unix/GNU/Linux systems
+ (setq eol-mnemonic-dos "(DOS)")
+ (setq eol-mnemonic-mac "(Mac)")))
+
;; Read window system's init file if using a window system.
(condition-case error
(if (and window-system (not noninteractive))
("--debug-init") ("--iconic") ("--icon-type")))
(argi (car args))
(argval nil))
- (if (string-match "=" argi)
+ ;; Handle --OPTION=VALUE format.
+ (if (and (string-match "\\`--" argi)
+ (string-match "=" argi))
(setq argval (substring argi (match-end 0))
argi (substring argi 0 (match-beginning 0))))
- (let ((completion (try-completion argi longopts)))
- (if (eq completion t)
- (setq argi (substring argi 1))
- (if (stringp completion)
- (let ((elt (assoc completion longopts)))
- (or elt
- (error "Option `%s' is ambiguous" argi))
- (setq argi (substring (car elt) 1)))
- (setq argval nil))))
+ (or (equal argi "--")
+ (let ((completion (try-completion argi longopts)))
+ (if (eq completion t)
+ (setq argi (substring argi 1))
+ (if (stringp completion)
+ (let ((elt (assoc completion longopts)))
+ (or elt
+ (error "Option `%s' is ambiguous" argi))
+ (setq argi (substring (car elt) 1)))
+ (setq argval nil)))))
(cond
((or (string-equal argi "-q")
(string-equal argi "-no-init-file"))
(and command-line-args (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))
+ (if (or (not (memq window-system '(x w32)))
+ (> (cdr (assq 'menu-bar-lines (frame-parameters))) 0))
(menu-bar-mode t))
(run-hooks 'before-init-hook)
(if site-run-file
(load site-run-file t t))
+ ;; Register available input methods by loading LEIM list file.
+ (load "leim-list.el" 'noerror 'nomessage 'nosuffix)
+
;; Sites should not disable this. Only individuals should disable
;; the startup message.
(setq inhibit-startup-message nil)
(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)))
+ (if (eq init-file-debug t) 'startup init-file-debug))
+ (orig-enable-multibyte default-enable-multibyte-characters))
(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
+ (let ((user-init-file-1
(cond
((eq system-type 'ms-dos)
(concat "~" init-file-user "/_emacs"))
((eq system-type 'windows-nt)
- "~/_emacs")
+ (if (directory-files "~" nil "^\\.emacs\\(\\.elc?\\)?$")
+ "~/.emacs"
+ "~/_emacs"))
((eq system-type 'vax-vms)
"sys$login:.emacs")
(t
- (concat "~" init-file-user "/.emacs"))))
- (load user-init-file t t t)
+ (concat "~" init-file-user "/.emacs")))))
+ ;; This tells `load' to store the file name found
+ ;; into user-init-file.
+ (setq user-init-file t)
+ (load user-init-file-1 t t)
+ ;; If we did not find the user's init file,
+ ;; set user-init-file conclusively to nil;
+ ;; don't let it be set from default.el.
+ (if (eq user-init-file t)
+ (setq user-init-file nil))
(or inhibit-default-init
(let ((inhibit-startup-message nil))
;; Users are supposed to be told their rights.
(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)))
+ (setq debug-on-error debug-on-error-from-init-file))
+ (unless (or default-enable-multibyte-characters
+ (eq orig-enable-multibyte default-enable-multibyte-characters))
+ ;; Init file changed to unibyte. Reset existing multibyte
+ ;; buffers (probably *scratch*, *Messages*, *Minibuff-0*).
+ ;; Arguably this should only be done if they're free of
+ ;; multibyte characters.
+ (mapcar (lambda (buffer)
+ (with-current-buffer buffer
+ (if enable-multibyte-characters
+ (set-buffer-multibyte nil))))
+ (buffer-list))
+ ;; Also re-set the language environment in case it was
+ ;; originally done before unibyte was set and is sensitive to
+ ;; unibyte (display table, terminal coding system &c).
+ (set-language-environment current-language-environment)))
+
+ ;; Do this here in case the init file sets mail-host-address.
+ (or user-mail-address
+ (setq user-mail-address (concat (user-login-name) "@"
+ (or mail-host-address
+ (system-name)))))
(run-hooks 'after-init-hook)
(set-buffer "*scratch*")
(if (eq major-mode 'fundamental-mode)
(funcall initial-major-mode))))
+
+ ;; Register default TTY colors for the case the terminal hasn't a
+ ;; terminal init file. The colors are good for xterm-color and the
+ ;; FreeBSD console (cons.*). They should be sufficient for Linux
+ ;; too, I guess.
+ (or (eq window-system 'pc) ; pc-win.el did this already
+ (let ((colors '("black" "red" "green" "yellow" "blue" "magenta"
+ "cyan" "white"))
+ (i 0))
+ (while colors
+ (face-register-tty-color (car colors) i)
+ (setq colors (cdr colors) i (1+ i)))))
+
;; Load library for our terminal type.
;; User init file can set term-file-prefix to nil to prevent this.
(and term-file-prefix (not noninteractive) (not window-system)
;; If -batch, terminate after processing the command options.
(if noninteractive (kill-emacs t)))
+(defcustom initial-scratch-message "\
+This buffer is for notes you don't want to save, and for Lisp evaluation.
+If you want to create a file, visit that file with C-x C-f,
+then enter the text in that file's own buffer.
+
+"
+ "Initial message displayed in *scratch* buffer at startup.
+If this is nil, no message will be displayed."
+ :type 'string)
+
(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
+ user-init-file
+ (or (and (get 'inhibit-startup-echo-area-message 'saved-value)
+ (equal inhibit-startup-echo-area-message
(if (string= init-file-user "")
(user-login-name)
init-file-user)))
- "[ \t\n]*)")
- nil t))
- (error nil))
- (kill-buffer buffer))))
+ ;; Wasn't set with custom; see if .emacs has a setq.
+ (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]."))))
+ (when (and (not noninteractive)
+ (memq window-system '(x w32)))
+ (make-mode-line-mouse-sensitive))
(if (null command-line-args-left)
(cond ((and (not inhibit-startup-message) (not noninteractive)
;; Don't clobber a non-scratch buffer if init file
;; has selected it.
- (string= (buffer-name) "*scratch*")
- (not (input-pending-p)))
+ (string= (buffer-name) "*scratch*"))
;; If there are no switches to process, we might as well
;; run this hook now, and there may be some need to do it
;; before doing any output.
(setq window-setup-hook nil)
;; Do this now to avoid an annoying delay if the user
;; clicks the menu bar during the sit-for.
- (if (eq window-system 'x)
- (precompute-menubar-bindings))
+ (when (memq window-system '(x w32))
+ (precompute-menubar-bindings))
(setq menubar-bindings-done t)
- (unwind-protect
- (progn
- (insert (emacs-version)
- "
-Copyright (C) 1995 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)
- (eq (key-binding "\C-xu") 'advertised-undo)
- (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs)
- (eq (key-binding "\C-ht") 'help-with-tutorial)
- (eq (key-binding "\C-hi") 'info))
- (insert
- "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.")
- (insert (substitute-command-keys
- (format "Type %s 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."
- (let ((where (where-is-internal
- 'help-command nil t)))
- (if where
- (key-description where)
- "M-x help"))))))
-
- ;; Windows and MSDOS (currently) do not count as
- ;; window systems, but do have mouse support.
- (if (or (memq system-type '(msdos windowsnt))
- window-system)
- (insert "
-C-mouse-3 (third mouse button, with Control) gets a mode-specific menu."))
- (insert "\n")
- (if (and (eq (key-binding "\C-h\C-c") 'describe-copying)
- (eq (key-binding "\C-h\C-d") 'describe-distribution)
- (eq (key-binding "\C-h\C-w") 'describe-no-warranty))
- (insert
- "
+ (when (= (buffer-size) 0)
+ (let ((buffer-undo-list t))
+ (unwind-protect
+ (when (not (input-pending-p))
+ (goto-char (point-max))
+ ;; The convention for this piece of code is that
+ ;; each piece of output starts with one or two newlines
+ ;; and does not end with any newlines.
+ (insert "Welcome to GNU Emacs")
+ (if (eq system-type 'gnu/linux)
+ (insert ", one component of a Linux-based GNU system."))
+ (insert "\n")
+ (if (assq 'display (frame-parameters))
+ (progn
+ (insert "\
+The menu bar and scroll bar are sufficient for basic editing with the mouse.
+
+Useful Files menu items:
+Exit Emacs (or type Control-x followed by Control-c)
+Recover Session recover files you were editing before a crash
+
+Important Help menu items:
+Emacs Tutorial Learn-by-doing tutorial for using Emacs efficiently.
+\(Non)Warranty GNU Emacs comes with ABSOLUTELY NO WARRANTY
+Copying Conditions Conditions for redistributing and changing Emacs.
+Getting New Versions How to obtain the latest version of Emacs.
+")
+ (insert "\n\n" (emacs-version)
+ "
+Copyright (C) 1999 Free Software Foundation, Inc."))
+ ;; If keys have their default meanings,
+ ;; use precomputed string to save lots of time.
+ (if (and (eq (key-binding "\C-h") 'help-command)
+ (eq (key-binding "\C-xu") 'advertised-undo)
+ (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs)
+ (eq (key-binding "\C-ht") 'help-with-tutorial)
+ (eq (key-binding "\C-hi") 'info)
+ (eq (key-binding "\C-h\C-n") 'view-emacs-news))
+ (insert "
+Get help C-h (Hold down CTRL and press h)
+Undo changes C-x u Exit Emacs C-x C-c
+Get a tutorial C-h t Use Info to read docs C-h i")
+ (insert (substitute-command-keys
+ (format "\n
+Get help %s
+Undo changes \\[advertised-undo]
+Exit Emacs \\[save-buffers-kill-emacs]
+Get a tutorial \\[help-with-tutorial]
+Use Info to read docs \\[info]"
+ (let ((where (where-is-internal
+ 'help-command nil t)))
+ (if where
+ (key-description where)
+ "M-x help"))))))
+ ;; Say how to use the menu bar
+ ;; if that is not with the mouse.
+ (if (and (eq (key-binding "\M-`") 'tmm-menubar)
+ (eq (key-binding [f10]) 'tmm-menubar))
+ (insert "
+Activate menubar F10 or ESC ` or M-`")
+ (insert (substitute-command-keys "
+Activate menubar \\[tmm-menubar]")))
+
+ ;; Windows and MSDOS (currently) do not count as
+ ;; window systems, but do have mouse support.
+ (if window-system
+ (insert "
+Mode-specific menu C-mouse-3 (third button, with CTRL)"))
+ ;; Many users seem to have problems with these.
+ (insert "
+\(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key.
+If you have no Meta key, you may instead type ESC followed by the character.)")
+ (and auto-save-list-file-prefix
+ (directory-files
+ (file-name-directory auto-save-list-file-prefix)
+ nil
+ (concat "\\`"
+ (regexp-quote (file-name-nondirectory
+ auto-save-list-file-prefix)))
+ t)
+ (insert "\n\nIf an Emacs session crashed recently, "
+ "type M-x recover-session RET\nto recover"
+ " the files you were editing."))
+
+ (insert "\n\n" (emacs-version)
+ "
+Copyright (C) 1999 Free Software Foundation, Inc.")
+ (if (and (eq (key-binding "\C-h\C-c") 'describe-copying)
+ (eq (key-binding "\C-h\C-d") 'describe-distribution)
+ (eq (key-binding "\C-h\C-w") 'describe-no-warranty))
+ (insert
+ "\n
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.
+Emacs is Free Software--Free as in Freedom--so you can redistribute copies
+of Emacs and modify it; type C-h C-c to see the conditions.
Type C-h C-d for information on getting the latest version.")
- (insert (substitute-command-keys
- "
+ (insert (substitute-command-keys
+ "\n
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.
-Type \\[describe-distribution] for information on getting the latest version.")))
-
- (if (directory-files "~/" nil "\\`\\.saves-" t)
- (insert "\n\nIf an Emacs session crashed recently,\n"
- "type M-x recover-session RET to recover"
- " the files you were editing."))
-
- (set-buffer-modified-p nil)
- (sit-for 120))
- (save-excursion
- ;; In case the Emacs server has already selected
- ;; another buffer, erase the one our message is in.
- (set-buffer (get-buffer "*scratch*"))
- (erase-buffer)
- (set-buffer-modified-p nil)))))
+Emacs is Free Software--Free as in Freedom--so you can redistribute copies
+of Emacs and modify it; type \\[describe-copying] to see the conditions.
+Type \\[describe-distribution] for information on getting the latest version."))))
+ (goto-char (point-min))
+
+ (set-buffer-modified-p nil)
+ (sit-for 120))
+ (with-current-buffer (get-buffer "*scratch*")
+ (erase-buffer)
+ (and initial-scratch-message
+ (insert initial-scratch-message))
+ (set-buffer-modified-p nil)))))))
;; Delay 2 seconds after the init file error message
;; was displayed, so user can read it.
(if init-file-had-error
(let ((dir command-line-default-directory)
(file-count 0)
first-file-buffer
+ tem
+ just-files ;; t if this follows the magic -- option.
+ ;; This includes our standard options' long versions
+ ;; and long versions of what's on command-switch-alist.
+ (longopts
+ (append '(("--funcall") ("--load") ("--insert") ("--kill")
+ ("--directory") ("--eval") ("--find-file") ("--visit"))
+ (mapcar '(lambda (elt)
+ (list (concat "-" (car elt))))
+ command-switch-alist)))
(line 0))
- (while command-line-args-left
+
+ ;; Add the long X options to longopts.
+ (setq tem command-line-x-option-alist)
+ (while tem
+ (if (string-match "^--" (car (car tem)))
+ (setq longopts (cons (list (car (car tem))) longopts)))
+ (setq tem (cdr tem)))
+
+ ;; Loop, processing options.
+ (while (and command-line-args-left)
(let* ((argi (car command-line-args-left))
(orig-argi argi)
- ;; This includes our standard options' long versions
- ;; and long versions of what's on command-switch-alist.
- (longopts
- (append '(("--funcall") ("--load") ("--insert") ("--kill")
- ("--directory") ("--eval"))
- (mapcar '(lambda (elt)
- (list (concat "-" (car elt))))
- command-switch-alist)))
- tem argval completion
+ argval completion
;; List of directories specified in -L/--directory,
;; in reverse of the order specified.
extra-load-path
(initial-load-path load-path))
(setq command-line-args-left (cdr command-line-args-left))
- ;; Convert long options to ordinary options
- ;; and separate out an attached option argument into argval.
- (if (string-match "^--[^=]*=" argi)
- (setq argval (substring argi (match-end 0))
- argi (substring argi 0 (1- (match-end 0)))))
- (setq completion (try-completion argi longopts))
- (if (eq completion t)
- (setq argi (substring argi 1))
- (if (stringp completion)
- (let ((elt (assoc completion longopts)))
- (or elt
- (error "Option `%s' is ambiguous" argi))
- (setq argi (substring (car elt) 1)))
- (setq argval nil argi orig-argi)))
+ ;; Do preliminary decoding of the option.
+ (if just-files
+ ;; After --, don't look for options; treat all args as files.
+ (setq argi "")
+ ;; Convert long options to ordinary options
+ ;; and separate out an attached option argument into argval.
+ (if (string-match "^--[^=]*=" argi)
+ (setq argval (substring argi (match-end 0))
+ argi (substring argi 0 (1- (match-end 0)))))
+ (if (equal argi "--")
+ (setq completion nil)
+ (setq completion (try-completion argi longopts)))
+ (if (eq completion t)
+ (setq argi (substring argi 1))
+ (if (stringp completion)
+ (let ((elt (assoc completion longopts)))
+ (or elt
+ (error "Option `%s' is ambiguous" argi))
+ (setq argi (substring (car elt) 1)))
+ (setq argval nil argi orig-argi))))
;; Execute the option.
(cond ((setq tem (assoc argi command-switch-alist))
(setq tem argval)
(setq tem (car command-line-args-left)
command-line-args-left (cdr command-line-args-left)))
+ (setq tem (command-line-normalize-file-name tem))
(setq extra-load-path
(cons (expand-file-name tem) extra-load-path))
(setq load-path (append (nreverse extra-load-path)
(setq tem argval)
(setq tem (car command-line-args-left)
command-line-args-left (cdr command-line-args-left)))
- (let ((file tem))
+ (let ((file (command-line-normalize-file-name tem)))
;; Take file from default dir if it exists there;
;; otherwise let `load' search for it.
(if (file-exists-p (expand-file-name file))
command-line-args-left (cdr command-line-args-left)))
(or (stringp tem)
(error "File name omitted from `-insert' option"))
- (insert-file-contents tem))
+ (insert-file-contents (command-line-normalize-file-name tem)))
((string-equal argi "-kill")
(kill-emacs t))
((string-match "^\\+[0-9]+\\'" argi)
(setq line (string-to-int argi)))
+ ((setq tem (assoc argi command-line-x-option-alist))
+ ;; Ignore X-windows options and their args if not using X.
+ (setq command-line-args-left
+ (nthcdr (nth 1 tem) command-line-args-left)))
+ ((or (string-equal argi "-find-file")
+ (string-equal argi "-visit"))
+ ;; An explicit option to specify visiting a file.
+ (setq file-count (1+ file-count))
+ (let ((file
+ (expand-file-name
+ (command-line-normalize-file-name orig-argi)
+ dir)))
+ (if (= file-count 1)
+ (setq first-file-buffer (find-file file))
+ (find-file-other-window file)))
+ (or (zerop line)
+ (goto-line line))
+ (setq line 0))
+ ((equal argi "--")
+ (setq just-files t))
(t
;; We have almost exhausted our options. See if the
;; user has made any other command-line options available
(if (not did-hook)
;; Ok, presume that the argument is a file name
(progn
+ (if (string-match "\\`-" argi)
+ (error "Unknown option `%s'" argi))
(setq file-count (1+ file-count))
- (cond ((= file-count 1)
- (setq first-file-buffer
- (find-file (expand-file-name argi dir))))
- (t
- (find-file-other-window (expand-file-name argi dir))))
+ (let ((file
+ (expand-file-name
+ (command-line-normalize-file-name orig-argi)
+ dir)))
+ (if (= file-count 1)
+ (setq first-file-buffer (find-file file))
+ (find-file-other-window file)))
(or (zerop line)
(goto-line line))
(setq line 0))))))))
;; If 3 or more files visited, and not all visible,
;; show user what they all are.
- (if (> file-count 2)
- (or (get-buffer-window first-file-buffer)
- (progn (other-window 1)
- (buffer-menu)))))))
+ (and (> file-count 2)
+ (not noninteractive)
+ (or (get-buffer-window first-file-buffer)
+ (progn (other-window 1)
+ (buffer-menu)))))))
+
+(defun command-line-normalize-file-name (file)
+ "Collapse multiple slashes to one, to handle non-Emacs file names."
+ (save-match-data
+ ;; Use arg 1 so that we don't collapse // at the start of the file name.
+ ;; That is significant on some systems.
+ ;; However, /// at the beginning is supposed to mean just /, not //.
+ (if (string-match "^///+" file)
+ (setq file (replace-match "/" t t file)))
+ (while (string-match "//+" file 1)
+ (setq file (replace-match "/" t t file)))
+ file))
;;; startup.el ends here