xemacs-beta: lisp/startup.el comparison

comparison lisp/startup.el @ 428:3ecd8885ac67 r21-2-22

Import from CVS: tag r21-2-22

author	cvs
date	Mon, 13 Aug 2007 11:28:15 +0200
parents
children	84b14dcb0985

comparison

equal deleted inserted replaced

-:0a0253eac470
+:3ecd8885ac67
+;;; startup.el --- process XEmacs shell arguments
+;; Copyright (C) 1985-1986, 1990, 1992-1997 Free Software Foundation, Inc.
+;; Copyright (c) 1993, 1994 Sun Microsystems, Inc.
+;; Copyright (C) 1995 Board of Trustees, University of Illinois
+;; Maintainer: XEmacs Development Team
+;; Keywords: internal, dumped
+;; This file is part of XEmacs.
+;; XEmacs 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 2, or (at your option)
+;; any later version.
+;; XEmacs is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+;; You should have received a copy of the GNU General Public License
+;; along with XEmacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+;;; Synched up with: FSF 19.34.
+;;; Commentary:
+;; This file is dumped with XEmacs.
+;; -batch, -t, and -nw are processed by main() in emacs.c and are
+;; never seen by lisp code.
+;; -version and -help are special-cased as well: they imply -batch,
+;; but are left on the list for lisp code to process.
+;;; Code:
+(setq top-level '(normal-top-level))
+(defvar command-line-processed nil "t once command line has been processed")
+(defconst startup-message-timeout 12000) ; More or less disable the timeout
+(defconst splash-frame-timeout 7) ; interval between splash frame elements
+(defconst 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.")
+;; #### FSFmacs randomness
+;;(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.")
+(defvar command-line-args-left nil
+"List of command-line args not yet processed.") ; bound by `command-line'
+(defvar command-line-default-directory nil
+"Default directory to use for command line arguments.
+This is normally copied from `default-directory' when XEmacs starts.")
+(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
+XEmacs loads the user's initialization file.")
+(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'.")
+(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, so as to
+override the definitions made by the terminal-specific file.  XEmacs
+never sets this variable itself.")
+(defvar keyboard-type nil
+"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
+"Normal hook run to initialize window system display.
+XEmacs 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 emacs-roots nil
+"List of plausible roots of the XEmacs hierarchy.")
+(defvar user-init-directory-base ".xemacs"
+"Base of directory where user-installed init files may go.")
+(defvar user-init-file-base (cond
+			     ((eq system-type 'ms-dos) "_emacs")
+			     (t ".emacs"))
+"Base of init file.")
+(defvar user-init-directory
+(file-name-as-directory
+(paths-construct-path (list "~" user-init-directory-base)))
+"Directory where user-installed init files may go.")
+(defvar load-user-init-file-p t
+"Non-nil if XEmacs should load the user's init file.")
+;; #### called `site-run-file' in FSFmacs
+(defvar site-start-file (purecopy "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 XEmacs' dumped image.  Thus, the run-time load order is:
+1. file described in this variable, if non-nil;
+2. `.emacs';
+3. `/path/to/xemacs/lisp/default.el'.
+Don't use the `site-start.el' file for things some users may not like.
+Put them in `default.el' instead, so that users can more easily
+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.
+This is initialized based on `mail-host-address',
+after your init file is read, in case it sets `mail-host-address'.")
+(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.")
+(defvar init-file-debug nil)
+(defvar init-file-had-error nil)
+(defvar init-file-loaded nil
+"True after the user's init file has been loaded (or suppressed with -q).
+This will be true when `after-init-hook' is run and at all times
+after, and will not be true at any time before.")
+(defvar initial-frame-unmapped-p nil)
+(defvar command-switch-alist
+(purecopy
+'(("-help"	. command-line-do-help)
+("-version". command-line-do-version)
+("-V"	. command-line-do-version)
+("-funcall". command-line-do-funcall)
+("-f"	. command-line-do-funcall)
+("-e"	. command-line-do-funcall-1)
+("-eval"	. command-line-do-eval)
+("-load"	. command-line-do-load)
+("-l"	. command-line-do-load)
+("-insert"	. command-line-do-insert)
+("-i"	. command-line-do-insert)
+("-kill"	. command-line-do-kill)
+;; Options like +35 are handled specially.
+;; Window-system, site, or package-specific code might add to this.
+;; X11 handles its options by letting Xt remove args from this list.
+))
+"Alist of command-line switches.
+Elements look like (SWITCH-STRING . HANDLER-FUNCTION).
+HANDLER-FUNCTION receives switch name as sole arg;
+remaining command-line args are in the variable `command-line-args-left'.")
+;;; default switches
+;;; Note: these doc strings are semi-magical.
+(defun command-line-do-help (arg)
+"Print the XEmacs usage message and exit."
+(let ((standard-output 'external-debugging-output))
+(princ (concat "\n" (emacs-version) "\n\n"))
+(princ
+(if (featurep 'x)
+	 (concat "When creating a window on an X display, "
+		 (emacs-name)
+		 " accepts all standard X Toolkit
+command line options plus the following:
+-iconname <title>     Use title as the icon name.
+-mc <color>           Use color as the mouse color.
+-cr <color>           Use color as the text-cursor foregound color.
+-private              Install a private colormap.
+In addition, the")
+"The"))
+(princ " following options are accepted:
+-t <device>           Use TTY <device> instead of the terminal for input
+and output.  This implies the -nw option.
+-nw                   Inhibit the use of any window-system-specific
+display code: use the current tty.
+-batch                Execute noninteractively (messages go to stderr).
+-debug-init           Enter the debugger if an error in the init file occurs.
+-unmapped             Do not map the initial frame.
+-no-site-file         Do not load the site-specific init file (site-start.el).
+-no-init-file         Do not load the user-specific init file (~/.emacs).
+-no-early-packages	Do not process early packages.
+-no-autoloads		Do not load global symbol files (auto-autoloads) at
+			startup.  Also implies `-vanilla'.
+-vanilla		Equivalent to -q -no-site-file -no-early-packages.
+-q                    Same as -no-init-file.
+-user-init-file <file> Use <file> as init file.
+-user-init-directory <directory> use <directory> as init directory.
+-user <user>          Load user's init file instead of your own.
+Equivalent to -user-init-file ~<user>/.emacs
+-user-init-directory ~<user>/.xemacs/
+-u <user>             Same as -user.\n")
+(let ((l command-switch-alist)
+	  (insert (lambda (&rest x)
+		    (princ "  ")
+		    (let ((len 2))
+		      (while x
+			(princ (car x))
+			(incf len (length (car x)))
+			(setq x (cdr x)))
+		      (when (>= len 24)
+			(terpri) (setq len 0))
+		      (while (< len 24)
+			(princ " ")
+			(incf len))))))
+(while l
+(let ((name (car (car l)))
+(fn (cdr (car l)))
+	      doc arg cons)
+	  (cond
+	   ((and (symbolp fn) (get fn 'undocumented)) nil)
+	   (t
+	    (setq doc (documentation fn))
+	    (if (member doc '(nil "")) (setq doc "(undocumented)"))
+	    (cond ((string-match "\n\\(<.*>\\)\n?\\'" doc)
+		   ;; Doc of the form "The frobber switch\n<arg1> <arg2>"
+		   (setq arg (substring doc (match-beginning 1) (match-end 1))
+			 doc (substring doc 0 (match-beginning 0))))
+		  ((string-match "\n+\\'" doc)
+		   (setq doc (substring doc 0 (match-beginning 0)))))
+	    (if (and (setq cons (rassq fn command-switch-alist))
+		     (not (eq cons (car l))))
+		(setq doc (format "Same as %s." (car cons))))
+	    (if arg
+		(funcall insert name " " arg)
+	      (funcall insert name))
+	    (princ doc)
+	    (terpri))))
+(setq l (cdr l))))
+(princ (concat "\
++N <file>             Start displaying <file> at line N.
+Anything else is considered a file name, and is placed into a buffer for
+editing.
+" (emacs-name) " has an online tutorial and manuals.  Type ^Ht (Control-h t) after
+starting XEmacs to run the tutorial.  Type ^Hi to enter the manual browser.
+Type ^H^H^H (Control-h Control-h Control-h) to get more help options.\n")
+(kill-emacs 0))))
+(defun command-line-do-funcall (arg)
+"Invoke the named lisp function with no arguments.
+<function>"
+(funcall (intern (pop command-line-args-left))))
+(fset 'command-line-do-funcall-1 'command-line-do-funcall)
+(put 'command-line-do-funcall-1 'undocumented t)
+(defun command-line-do-eval (arg)
+"Evaluate the lisp form.  Quote it carefully.
+<form>"
+(eval (read (pop command-line-args-left))))
+(defun command-line-do-load (arg)
+"Load the named file of Lisp code into XEmacs.
+<file>"
+(let ((file (pop command-line-args-left)))
+;; Take file from default dir if it exists there;
+;; otherwise let `load' search for it.
+(if (file-exists-p (expand-file-name file))
+	(setq file (expand-file-name file)))
+(load file nil t)))
+(defun command-line-do-insert (arg)
+"Insert file into the current buffer.
+<file>"
+(insert-file-contents (pop command-line-args-left)))
+(defun command-line-do-kill (arg)
+"Exit XEmacs."
+(kill-emacs t))
+(defun command-line-do-version (arg)
+"Print version info and exit."
+(princ (concat (emacs-version) "\n"))
+(kill-emacs 0))
+;;; Processing the command line and loading various init files
+(defun early-error-handler (&rest debugger-args)
+"You should probably not be using this."
+;; Used as the debugger during XEmacs initialization; if an error occurs,
+;; print some diagnostics, and kill XEmacs.
+;; output the contents of the warning buffer, since it won't be seen
+;; otherwise.
+;; #### kludge!  The call to Feval forces the pending warnings to
+;; get output.  There definitely needs to be a better way.
+(let ((buffer (eval (get-buffer-create "*Warnings*"))))
+(princ (buffer-substring (point-min buffer) (point-max buffer) buffer)
+	   'external-debugging-output))
+(let ((string "Initialization error")
+	(error (nth 1 debugger-args))
+	(debug-on-error nil)
+	(stream 'external-debugging-output))
+(if (null error)
+	(princ string stream)
+(princ (concat "\n" string ": ") stream)
+(condition-case ()
+	  (display-error error stream)
+	(error (princ "<<< error printing error message >>>" stream)))
+(princ "\n" stream)
+(if (memq (car-safe error) '(void-function void-variable))
+	  (princ "
+	This probably means that XEmacs is picking up an old version of
+	the lisp library, or that some .elc files are not up-to-date.\n"
+		 stream)))
+(when (not suppress-early-error-handler-backtrace)
+(let ((print-length 1000)
+	    (print-level 1000)
+	    (print-escape-newlines t)
+	    (print-readably nil))
+	(when (getenv "EMACSLOADPATH")
+	  (princ (format "\n$EMACSLOADPATH is %s" (getenv "EMACSLOADPATH"))
+		 stream))
+	(princ (format "\nexec-directory is %S" exec-directory) stream)
+	(princ (format "\ndata-directory is %S" data-directory) stream)
+	(princ (format "\ndata-directory-list is %S" data-directory-list) stream)
+	(princ (format "\ndoc-directory is %S" doc-directory) stream)
+	(princ (format "\nload-path is %S" load-path) stream)
+	(princ "\n\n" stream)))
+(when (not suppress-early-error-handler-backtrace)
+(backtrace stream t)))
+(kill-emacs -1))
+(defvar lock-directory)
+(defvar superlock-file)
+(defun normal-top-level ()
+(if command-line-processed
+(message "Back to top level.")
+(setq command-line-processed t)
+;; Canonicalize HOME (PWD is canonicalized by init_buffer in buffer.c)
+(let ((value (user-home-directory)))
+(if (and value
+	       (< (length value) (length default-directory))
+	       (equal (file-attributes default-directory)
+		      (file-attributes value)))
+	  (setq default-directory (file-name-as-directory value))))
+(setq default-directory (abbreviate-file-name default-directory))
+(initialize-xemacs-paths)
+(startup-set-invocation-environment)
+(let ((debug-paths (or debug-paths
+			   (and (getenv "EMACSDEBUGPATHS")
+				t))))
+(setq emacs-roots (paths-find-emacs-roots invocation-directory
+						invocation-name))
+(if debug-paths
+	  (princ (format "emacs-roots:\n%S\n" emacs-roots)
+		 'external-debugging-output))
+(if (null emacs-roots)
+	  (startup-find-roots-warning)
+	(startup-setup-paths emacs-roots
+			     user-init-directory
+			     inhibit-early-packages
+			     inhibit-site-lisp
+			     debug-paths))
+(startup-setup-paths-warning))
+(if (and (not inhibit-autoloads)
+	     lisp-directory)
+	(load (expand-file-name (file-name-sans-extension autoload-file-name)
+				lisp-directory) nil t))
+(if (not inhibit-autoloads)
+	(progn
+	  (if (not inhibit-early-packages)
+	      (packages-load-package-auto-autoloads early-package-load-path))
+	  (packages-load-package-auto-autoloads late-package-load-path)
+	  (packages-load-package-auto-autoloads last-package-load-path)))
+(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.
+(setq auto-save-list-file-name
+	    (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))
+(setq term-setup-hook nil)
+;;      ;; Modify the initial frame based on what .emacs puts into
+;;      ;; ...-frame-alist.
+(frame-notice-user-settings)
+;;      ;;####FSFmacs junk
+;;      ;; Now we know the user's default font, so add it to the menu.
+;;      (if (fboundp 'font-menu-add-default)
+;;	  (font-menu-add-default))
+(when window-setup-hook
+	(run-hooks 'window-setup-hook))
+(setq window-setup-hook nil))
+;;####FSFmacs junk
+;;      (or menubar-bindings-done
+;;	  (precompute-menubar-bindings))
+))
+;;####FSFmacs junk
+;;; 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-early (args)
+;; This processes those switches which need to be processed before
+;; starting up the window system.
+(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 "numbered"))
+	   (setq version-control t))
+	  ((or (string= vc "nil")
+	       (string= vc "existing"))
+	   (setq version-control nil))
+	  ((or (string= vc "never")
+	       (string= vc "simple"))
+	   (setq version-control 'never))))
+;;####FSFmacs
+;;  (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)))
+(setq load-user-init-file-p (not (noninteractive)))
+;; Allow (at least) these arguments anywhere in the command line
+(let ((new-args nil)
+	(arg      nil))
+(while args
+(setq arg (pop args))
+(cond
+((or (string= arg "-q")
+	    (string= arg "-no-init-file"))
+	(setq load-user-init-file-p nil))
+((string= arg "-no-site-file")
+	(setq site-start-file nil))
+((or (string= arg "-no-early-packages")
+	    (string= arg "--no-early-packages"))
+	(setq inhibit-early-packages t))
+((or (string= arg "-vanilla")
+	    (string= arg "--vanilla")
+	    ;; Some work on this one already done in emacs.c.
+	    (string= arg "-no-autoloads")
+	    (string= arg "--no-autoloads"))
+	(setq load-user-init-file-p nil
+	      site-start-file nil))
+((string= arg "-user-init-file")
+	(setq user-init-file (pop args)))
+((string= arg "-user-init-directory")
+	(setq user-init-directory (file-name-as-directory (pop args))))
+((or (string= arg "-u")
+	    (string= arg "-user"))
+	(let* ((user (pop args))
+	       (home-user (concat "~" user)))
+	  (setq user-init-file
+		(paths-construct-path (list home-user user-init-file-base)))
+	  (setq user-init-directory
+		(file-name-as-directory
+		 (paths-construct-path (list home-user user-init-directory-base))))))
+((string= arg "-debug-init")
+	(setq init-file-debug t))
+((string= arg "-unmapped")
+	(setq initial-frame-unmapped-p t))
+((or (string= arg "-debug-paths")
+	    (string= arg "--debug-paths"))
+	t)
+((or (string= arg "--") (string= arg "-"))
+	(while args
+	  (push (pop args) new-args)))
+(t (push arg new-args))))
+(setq init-file-user (and load-user-init-file-p ""))
+(nreverse new-args)))
+(defconst 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, first 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.")
+(defun command-line ()
+(let ((command-line-args-left (cdr command-line-args)))
+(let ((debugger 'early-error-handler)
+	  (debug-on-error t))
+;; Process magic command-line switches like -q and -u.  Do this
+;; before creating the first frame because some of these switches
+;; may affect that.  I think it's ok to do this before establishing
+;; the X connection, and maybe someday things like -nw can be
+;; handled here instead of down in C.
+(setq command-line-args-left (command-line-early command-line-args-left))
+;; Setup the toolbar icon directory
+(when (featurep 'toolbar)
+	(init-toolbar-location))
+;; Run the window system's init function.  tty is considered to be
+;; a type of window system for this purpose.  This creates the
+;; initial (non stdio) device.
+(when (and initial-window-system (not noninteractive))
+	(funcall (intern (concat "init-"
+				 (symbol-name initial-window-system)
+				 "-win"))))
+;; When not in batch mode, this creates the first visible frame,
+;; and deletes the stdio device.
+(frame-initialize))
+;;
+;; We have normality, I repeat, we have normality.  Anything you still
+;; can't cope with is therefore your own problem.  (And we don't need
+;; to kill XEmacs for it.)
+;;
+;;; Load init files.
+(load-init-file)
+(with-current-buffer (get-buffer "*scratch*")
+(erase-buffer)
+;; (insert initial-scratch-message)
+(set-buffer-modified-p nil)
+(when (eq major-mode 'fundamental-mode)
+	(funcall initial-major-mode)))
+;; Load library for our terminal type.
+;; User init file can set term-file-prefix to nil to prevent this.
+;; Note that for any TTY's opened subsequently, the TTY init
+;; code will run this.
+(when (and (eq 'tty (console-type))
+	       (not (noninteractive)))
+(load-terminal-library))
+;; Process the remaining args.
+(command-line-1)
+;; it was turned on by default so that the warnings don't get displayed
+;; until after the splash screen.
+(setq inhibit-warning-display nil)
+;; If -batch, terminate after processing the command options.
+(when (noninteractive) (kill-emacs t))))
+(defun load-terminal-library ()
+(when term-file-prefix
+(let ((term (getenv "TERM"))
+	  hyphend)
+(while (and term
+		  (not (load (concat term-file-prefix term) t t)))
+	;; Strip off last hyphen and what follows, then try again
+	(if (setq hyphend (string-match "[-_][^-_]+\\'" term))
+	    (setq term (substring term 0 hyphend))
+	  (setq term nil))))))
+(defun load-user-init-file ()
+"This function actually reads the init file, .emacs."
+(if (not user-init-file)
+(setq user-init-file
+	    (paths-construct-path (list "~" user-init-file-base))))
+(load user-init-file t t t)
+(unless 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))))
+;;; Load user's init file and default ones.
+(defun load-init-file ()
+(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.
+(when site-start-file
+(load site-start-file t t))
+;; 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)))
+(let ((debug-on-error debug-on-error-initial))
+(if (and load-user-init-file-p init-file-debug)
+	  ;; Do this without a condition-case if the user wants to debug.
+	  (load-user-init-file)
+	(condition-case error
+	    (progn
+	      (if load-user-init-file-p
+		  (load-user-init-file))
+	      (setq init-file-had-error nil))
+(error
+	   (message "Error in init file: %s" (error-message-string error))
+	   (display-warning 'initialization
+	     (format "\
+An error has occurred while loading %s:
+%s
+To ensure normal operation, you should investigate the cause of the error
+in your initialization file and remove it.  Use the `-debug-init' option
+to XEmacs to view a complete error backtrace."
+		     user-init-file (error-message-string error))
+	     '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)))
+(when debug-on-error-should-be-set
+(setq debug-on-error debug-on-error-from-init-file)))
+(setq init-file-loaded t)
+;; Do this here in case the init file sets mail-host-address.
+;; Don't do this here unless noninteractive, it is frequently wrong. -sb
+;; (or user-mail-address
+(when noninteractive
+(setq user-mail-address (concat (user-login-name) "@"
+				    (or mail-host-address
+					(system-name)))))
+(run-hooks 'after-init-hook)
+nil)
+(defun load-options-file (filename)
+"Load the file of saved options (from the Options menu) called FILENAME.
+Currently this does nothing but call `load', but it might be redefined
+in the future to support automatically converting older options files to
+a new format, when variables have changed, etc."
+(load filename))
+(defun command-line-1 ()
+(cond
+((null command-line-args-left)
+(unless noninteractive
+;; If there are no switches to process, run the term-setup-hook
+;; before displaying the copyright notice; there may be some need
+;; to do it before doing any output.  If we're not going to
+;; display a copyright notice (because other options are present)
+;; then this is run after those options are processed.
+(run-hooks 'term-setup-hook)
+;; Don't let the hook be run twice.
+(setq term-setup-hook nil)
+;; Don't clobber a non-scratch buffer if init file
+;; has selected it.
+(when (string= (buffer-name) "*scratch*")
+	(unless (or inhibit-startup-message
+		    (input-pending-p))
+	  (let (tmout circ-tmout)
+	    (unwind-protect
+		;; Guts of with-timeout
+		(catch 'tmout
+		  (setq tmout (add-timeout startup-message-timeout
+					   (lambda (ignore)
+					     (condition-case nil
+						 (throw 'tmout t)
+					       (error nil)))
+					   nil))
+		  (setq circ-tmout (display-splash-frame))
+		  (or nil;; (pos-visible-in-window-p (point-min))
+		      (goto-char (point-min)))
+		  (sit-for 0)
+		  (setq unread-command-event (next-command-event)))
+	      (when tmout (disable-timeout tmout))
+	      (when circ-tmout (disable-timeout circ-tmout)))))
+	(with-current-buffer (get-buffer "*scratch*")
+	  ;; In case the XEmacs server has already selected
+	  ;; another buffer, erase the one our message is in.
+	  (erase-buffer)
+	  (when (stringp initial-scratch-message)
+	    (insert initial-scratch-message))
+	  (set-buffer-modified-p nil)))))
+(t
+;; Command-line-options exist
+(let ((dir command-line-default-directory)
+	  (file-count 0)
+	  (line nil)
+	  (end-of-options nil)
+	  first-file-buffer file-p arg tem)
+(while command-line-args-left
+	(setq arg (pop command-line-args-left))
+	(cond
+	 (end-of-options
+	  (setq file-p t))
+	 ((setq tem (when (eq (aref arg 0) ?-)
+		      (or (assoc arg command-switch-alist)
+			  (assoc (substring arg 1)
+				 command-switch-alist))))
+	  (funcall (cdr tem) arg))
+	 ((string-match "\\`\\+[0-9]+\\'" arg)
+	  (setq line (string-to-int arg)))
+	 ;; "- file" means don't treat "file" as a switch
+	 ;;  ("+0 file" has the same effect; "-" added
+	 ;;   for unixoidiality).
+	 ;; This is worthless; the `unixoid' way is "./file". -jwz
+	 ((or (string= arg "-") (string= arg "--"))
+	  (setq end-of-options t))
+	 (t
+	  (setq file-p t)))
+	(when file-p
+	  (setq file-p nil)
+	  (incf file-count)
+	  (setq arg (expand-file-name arg dir))
+	  (cond
+	   ((= file-count 1) (setq first-file-buffer
+				   (progn (find-file arg) (current-buffer))))
+	   (noninteractive (find-file arg))
+	   (t (find-file-other-window arg)))
+	  (when line
+	    (goto-line line)
+	    (setq line nil))))))))
+(defvar startup-presentation-hack-keymap
+(let ((map (make-sparse-keymap)))
+(set-keymap-name map 'startup-presentation-hack-keymap)
+(define-key map '[button1] 'startup-presentation-hack)
+(define-key map '[button2] 'startup-presentation-hack)
+map)
+"Putting yesterday in the future tomorrow.")
+(defun startup-presentation-hack ()
+(interactive)
+(let ((e last-command-event))
+(and (button-press-event-p e)
+(setq e (extent-at (event-point e)
+(event-buffer e)
+'startup-presentation-hack))
+(setq e (extent-property e 'startup-presentation-hack))
+(if (consp e)
+(apply (car e) (cdr e))
+	   (while (keymapp (indirect-function e))
+	     (let ((map e)
+		   (overriding-local-map (indirect-function e)))
+	       (setq e (read-key-sequence
+			(let ((p (keymap-prompt map t)))
+			  (cond ((symbolp map)
+				 (if p
+				     (format "%s %s " map p)
+				   (format "%s " map)))
+				(p)
+				(t
+				 (prin1-to-string map))))))
+	       (if (and (button-release-event-p (elt e 0))
+			(null (key-binding e)))
+		   (setq e map)		; try again
+		 (setq e (key-binding e)))))
+	   (call-interactively e)))))
+(defun startup-presentation-hack-help (e)
+(setq e (extent-property e 'startup-presentation-hack))
+(if (consp e)
+(format "Evaluate %S" e)
+(symbol-name e)))
+(defun splash-frame-present-hack (e v)
+;;   (set-extent-property e 'mouse-face 'highlight)
+;;   (set-extent-property e 'keymap
+;;    		       startup-presentation-hack-keymap)
+;;   (set-extent-property e 'startup-presentation-hack v)
+;;   (set-extent-property e 'help-echo
+;;    		       'startup-presentation-hack-help)
+)
+(defun splash-hack-version-string ()
+(save-excursion
+(save-restriction
+(goto-char (point-min))
+(re-search-forward "^XEmacs" nil t)
+(narrow-to-region (point-at-bol) (point-at-eol))
+(goto-char (point-min))
+(when (re-search-forward " \\[Lucid\\]" nil t)
+	(delete-region (match-beginning 0) (match-end 0)))
+(when (re-search-forward "[^(][^)]*-[^)]*-" nil t)
+	(delete-region (1+ (match-beginning 0)) (match-end 0))
+	(insert "("))
+(goto-char (point-max))
+(search-backward " " nil t)
+(when (search-forward "." nil t)
+	(delete-region (1- (point)) (point-max))))))
+(defun splash-frame-present (l)
+(cond ((stringp l)
+(insert l))
+((eq (car-safe l) 'face)
+;; (face name string)
+(let ((p (point)))
+(splash-frame-present (elt l 2))
+(if (fboundp 'set-extent-face)
+(set-extent-face (make-extent p (point))
+(elt l 1)))))
+((eq (car-safe l) 'key)
+(let* ((c (elt l 1))
+(p (point))
+(k (where-is-internal c nil t)))
+(insert (if k (key-description k)
+		     (format "M-x %s" c)))
+(if (fboundp 'set-extent-face)
+(let ((e (make-extent p (point))))
+(set-extent-face e 'bold)
+(splash-frame-present-hack e c)))))
+((eq (car-safe l) 'funcall)
+;; (funcall (fun . args) string)
+(let ((p (point)))
+(splash-frame-present (elt l 2))
+(if (fboundp 'set-extent-face)
+(splash-frame-present-hack (make-extent p (point))
+					  (elt l 1)))))
+	((consp l)
+	 (mapcar 'splash-frame-present l))
+(t
+(error "WTF!?"))))
+(defun startup-center-spaces (glyph)
+;; Return the number of spaces to insert in order to center
+;; the given glyph (may be a string or a pixmap).
+;; Assume spaces are as wide as avg-pixwidth.
+;; Won't be quite right for proportional fonts, but it's the best we can do.
+;; Maybe the new redisplay will export something a glyph-width function.
+;;; #### Yes, there is a glyph-width function but it isn't quite what
+;;; #### this was expecting.  Or is it?
+;; (An alternate way to get avg-pixwidth would be to use x-font-properties
+;; and calculate RESOLUTION_X * AVERAGE_WIDTH / 722.7, but it's no better.)
+;; This function is used in about.el too.
+(let* ((avg-pixwidth     (round (/ (frame-pixel-width) (frame-width))))
+	 (fill-area-width  (* avg-pixwidth (- fill-column left-margin)))
+	 (glyph-pixwidth   (cond ((stringp glyph)
+				  (* avg-pixwidth (length glyph)))
+				 ;; #### the pixmap option should be removed
+				 ;;((pixmapp glyph)
+				 ;; (pixmap-width glyph))
+				 ((glyphp glyph)
+				  (glyph-width glyph))
+				 (t
+				  (error "startup-center-spaces: bad arg")))))
+(+ left-margin
+(round (/ (/ (- fill-area-width glyph-pixwidth) 2) avg-pixwidth)))))
+(defun splash-frame-body ()
+`[((face (blue bold underline)
+	   "\nDistribution, copying license, warranty:\n\n")
+"Please visit the XEmacs website at http://www.xemacs.org !\n\n"
+,@(if (featurep 'sparcworks)
+	   `( "\
+Sun provides support for the WorkShop/XEmacs integration package only.
+All other XEmacs packages are provided to you \"AS IS\".\n"
+	      ,@(let ((lang (or (getenv "LC_ALL") (getenv "LC_MESSAGES")
+				(getenv "LANG"))))
+		  (if (and
+		       (not (featurep 'mule)) ;; Already got mule?
+		       ;; No Mule support on tty's yet
+		       (not (eq 'tty (console-type)))
+		       lang ;; Non-English locale?
+		       (not (string= lang "C"))
+		       (not (string-match "^en" lang))
+		       ;; Comes with Sun WorkShop
+		       (locate-file "xemacs-mule" exec-path))
+		      '( "\
+This version of XEmacs has been built with support for Latin-1 languages only.
+To handle other languages you need to run a Multi-lingual (`Mule') version of
+XEmacs, by either running the command `xemacs-mule', or by using the X resource
+`ESERVE*defaultXEmacsPath: xemacs-mule' when starting XEmacs from Sun WorkShop.
+\n")))))
+((key describe-no-warranty)
+": "(face (red bold) "XEmacs comes with ABSOLUTELY NO WARRANTY\n"))
+((key describe-copying)
+": conditions to give out copies of XEmacs\n")
+((key describe-distribution)
+": how to get the latest version\n")
+"\n--\n"
+(face italic "\
+Copyright (C) 1985-1999 Free Software Foundation, Inc.
+Copyright (C) 1990-1994 Lucid, Inc.
+Copyright (C) 1993-1997 Sun Microsystems, Inc. All Rights Reserved.
+Copyright (C) 1994-1996 Board of Trustees, University of Illinois
+Copyright (C) 1995-1996 Ben Wing\n"))
+((face (blue bold underline) "\nInformation, on-line help:\n\n")
+"XEmacs comes with plenty of documentation...\n\n"
+,@(if (string-match "beta" emacs-version)
+	   `((key describe-beta)
+	     ": " (face (red bold)
+			"This is an Experimental version of XEmacs.\n"))
+	 `( "\n"))
+((key xemacs-local-faq)
+": read the XEmacs FAQ (a " (face underline "capital") " F!)\n")
+((key help-with-tutorial)
+": read the XEmacs tutorial (also available through the "
+(face bold "Help") " menu)\n")
+((key help-command)
+": get help on using XEmacs (also available through the "
+(face bold "Help") " menu)\n")
+((key info) ": read the on-line documentation\n\n")
+((key describe-project) ": read about the GNU project\n")
+((key about-xemacs) ": see who's developing XEmacs\n"))
+((face (blue bold underline) "\nUseful stuff:\n\n")
+"Things that you should know rather quickly...\n\n"
+((key find-file) ": visit a file\n")
+((key save-buffer) ": save changes\n")
+((key advertised-undo) ": undo changes\n")
+((key save-buffers-kill-emacs) ": exit XEmacs\n"))
+])
+;; I really hate global variables, oh well.
+;(defvar xemacs-startup-logo-function nil
+;  "If non-nil, function called to provide the startup logo.
+;This function should return an initialized glyph if it is used.")
+;; This will hopefully go away when gettext is functionnal.
+(defconst splash-frame-static-body
+`(,(emacs-version) "\n\n"
+(face italic "`C-' means the control key,`M-' means the meta key\n\n")))
+(defun circulate-splash-frame-elements (client-data)
+(with-current-buffer (aref client-data 2)
+(let ((buffer-read-only nil)
+	  (elements (aref client-data 3))
+	  (indice (aref client-data 0)))
+(goto-char (aref client-data 1))
+(delete-region (point) (point-max))
+(splash-frame-present (aref elements indice))
+(set-buffer-modified-p nil)
+(aset client-data 0
+	    (if (= indice (- (length elements) 1))
+		0
+	      (1+ indice )))
+)))
+;; ### This function now returns the (possibly nil) timeout circulating the
+;; splash-frame elements
+(defun display-splash-frame ()
+(let ((logo xemacs-logo)
+	(buffer-read-only nil)
+(cramped-p (eq 'tty (console-type))))
+(unless cramped-p (insert "\n"))
+(indent-to (startup-center-spaces logo))
+(set-extent-begin-glyph (make-extent (point) (point)) logo)
+;;(splash-frame-present-hack (make-extent p (point)) 'about-xemacs))
+(insert "\n\n")
+(splash-frame-present splash-frame-static-body)
+(splash-hack-version-string)
+(goto-char (point-max))
+(let* ((after-change-functions nil) ; no font-lock, thank you
+	   (elements (splash-frame-body))
+	   (client-data `[ 1 ,(point) ,(current-buffer) ,elements ])
+	   tmout)
+(if (listp  elements) ;; A single element to display
+	  (splash-frame-present (splash-frame-body))
+	;; several elements to rotate
+	(splash-frame-present (aref elements 0))
+	(setq tmout (add-timeout splash-frame-timeout
+				 'circulate-splash-frame-elements
+				 client-data splash-frame-timeout)))
+(set-buffer-modified-p nil)
+tmout)))
+;;  (let ((present-file
+;;         #'(lambda (f)
+;;             (splash-frame-present
+;;	      (list 'funcall
+;;		    (list 'find-file-other-window
+;;			  (expand-file-name f data-directory))
+;;		    f)))))
+;;    (insert "For customization examples, see the files ")
+;;    (funcall present-file "sample.emacs")
+;;    (insert " and ")
+;;    (funcall present-file "sample.Xdefaults")
+;;    (insert (format "\nin the directory %s." data-directory)))
+(defun startup-set-invocation-environment ()
+;; XEmacs -- Steven Baur says invocation directory is nil if you
+;; try to use XEmacs as a login shell.
+(or invocation-directory (setq invocation-directory default-directory))
+(setq invocation-directory
+	;; don't let /tmp_mnt/... get into the load-path or exec-path.
+	(abbreviate-file-name invocation-directory)))
+(defun startup-setup-paths (roots user-init-directory
+				  &optional
+				  inhibit-early-packages inhibit-site-lisp
+				  debug-paths)
+"Setup all the various paths.
+ROOTS is a list of plausible roots of the XEmacs directory hierarchy.
+If INHIBIT-PACKAGES is non-NIL, don't do packages.
+If INHIBIT-SITE-LISP is non-NIL, don't do site-lisp.
+If DEBUG-PATHS is non-NIL, print paths as they are detected.
+It's idempotent, so call this as often as you like!"
+(apply #'(lambda (early late last)
+	     (setq early-packages (and (not inhibit-early-packages)
+				       early))
+	     (setq late-packages late)
+	     (setq last-packages last))
+	 (packages-find-packages
+	  roots
+	  (packages-compute-package-locations user-init-directory)))
+(setq early-package-load-path (packages-find-package-load-path early-packages))
+(setq late-package-load-path (packages-find-package-load-path late-packages))
+(setq last-package-load-path (packages-find-package-load-path last-packages))
+(if debug-paths
+(progn
+	(princ (format "configure-package-path:\n%S\n" configure-package-path)
+	       'external-debugging-output)
+	(princ (format "early-packages and early-package-load-path:\n%S\n%S\n"
+		       early-packages early-package-load-path)
+	       'external-debugging-output)
+	(princ (format "late-packages and late-package-load-path:\n%S\n%S\n"
+		       late-packages late-package-load-path)
+	       'external-debugging-output)
+	(princ (format "last-packages and last-package-load-path:\n%S\n%S\n"
+		       last-packages last-package-load-path)
+	       'external-debugging-output)))
+(setq lisp-directory (paths-find-lisp-directory roots))
+(if debug-paths
+(princ (format "lisp-directory:\n%S\n" lisp-directory)
+	     'external-debugging-output))
+(setq site-directory (and (null inhibit-site-lisp)
+			    (paths-find-site-lisp-directory roots)))
+(if (and debug-paths (null inhibit-site-lisp))
+(princ (format "site-directory:\n%S\n" site-directory)
+	     'external-debugging-output))
+(setq load-path (paths-construct-load-path roots
+					     early-package-load-path
+					     late-package-load-path
+					     last-package-load-path
+					     lisp-directory
+					     site-directory))
+(setq Info-directory-list
+	(paths-construct-info-path roots
+				   early-packages late-packages last-packages))
+(if debug-paths
+(princ (format "Info-directory-list:\n%S\n" Info-directory-list)
+	     'external-debugging-output))
+(if (boundp 'lock-directory)
+(progn
+	(setq lock-directory (paths-find-lock-directory roots))
+	(setq superlock-file (paths-find-superlock-file lock-directory))
+	(if debug-paths
+	    (progn
+	      (princ (format "lock-directory:\n%S\n" lock-directory)
+		     'external-debugging-output)
+	      (princ (format "superlock-file:\n%S\n" superlock-file)
+		     'external-debugging-output)))))
+(setq exec-directory (paths-find-exec-directory roots))
+(if debug-paths
+(princ (format "exec-directory:\n%s\n" exec-directory)
+	     'external-debugging-output))
+(setq exec-path
+	(paths-construct-exec-path roots exec-directory
+				   early-packages late-packages last-packages))
+(if debug-paths
+(princ (format "exec-path:\n%S\n" exec-path)
+	     'external-debugging-output))
+(setq doc-directory (paths-find-doc-directory roots))
+(if debug-paths
+(princ (format "doc-directory:\n%S\n" doc-directory)
+	     'external-debugging-output))
+(setq data-directory (paths-find-data-directory roots))
+(if debug-paths
+(princ (format "data-directory:\n%S\n" data-directory)
+	     'external-debugging-output))
+(setq data-directory-list (paths-construct-data-directory-list data-directory
+								 early-packages
+								 late-packages
+								 last-packages))
+(if debug-paths
+(princ (format "data-directory-list:\n%S\n" data-directory-list)
+	     'external-debugging-output)))
+(defun startup-find-roots-warning ()
+(save-excursion
+(set-buffer (get-buffer-create " *warning-tmp*"))
+(erase-buffer)
+(buffer-disable-undo (current-buffer))
+(insert "Couldn't find an obvious default for the root of the\n"
+	    "XEmacs hierarchy.")
+(princ "\nWARNING:\n" 'external-debugging-output)
+(princ (buffer-string) 'external-debugging-output)))
+(defun startup-setup-paths-warning ()
+(let ((lock (if (boundp 'lock-directory) lock-directory 't))
+	(warnings '()))
+(if (and (stringp lock) (null (file-directory-p lock)))
+	(setq lock nil))
+(cond
+((null (and lisp-directory exec-directory data-directory doc-directory
+		 load-path
+		 lock))
+(save-excursion
+	(set-buffer (get-buffer-create " *warning-tmp*"))
+	(erase-buffer)
+	(buffer-disable-undo (current-buffer))
+	(if (null lisp-directory) (push "lisp-directory" warnings))
+	(if (null lock)           (push "lock-directory" warnings))
+	(if (null exec-directory) (push "exec-directory" warnings))
+	(if (null data-directory) (push "data-directory" warnings))
+	(if (null doc-directory)  (push "doc-directory"  warnings))
+	(if (null load-path)      (push "load-path"      warnings))
+	(insert "Couldn't find obvious defaults for:\n")
+	(while warnings
+	  (insert (car warnings) "\n")
+	  (setq warnings (cdr warnings)))
+	(insert "Perhaps some directories don't exist, "
+		"or the XEmacs executable,\n" (concat invocation-directory
+						     invocation-name)
+		"\nis in a strange place?")
+	(princ "\nWARNING:\n" 'external-debugging-output)
+	(princ (buffer-string) 'external-debugging-output)
+	(erase-buffer)
+	t)))))
+;;; startup.el ends here

Mercurial > hg > xemacs-beta

comparison lisp/startup.el @ 428:3ecd8885ac67 r21-2-22