xemacs-beta: lisp/loadup.el comparison

comparison lisp/loadup.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	8de8e3f6228a

comparison

equal deleted inserted replaced

-:0a0253eac470
+:3ecd8885ac67
+;; loadup.el --- load up standardly loaded Lisp files for XEmacs.
+;; Copyright (C) 1985, 1986, 1992, 1994, 1997 Free Software Foundation, Inc.
+;; Copyright (C) 1996 Richard Mlynarik.
+;; Copyright (C) 1995, 1996 Ben Wing.
+;; 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, Inc., 59 Temple Place - Suite 330, Boston, MA
+;; 02111-1307, USA.
+;;; Synched up with: Last synched with FSF 19.30, with wild divergence since.
+;;; Commentary:
+;; Please do not edit this file.  Use site-init.el or site-load.el instead.
+;; This is loaded into a bare XEmacs to make a dumpable one.
+;;; Code:
+(when (fboundp 'error)
+(error "loadup.el already loaded!"))
+(defvar running-xemacs t
+"Non-nil when the current emacs is XEmacs.")
+(defvar preloaded-file-list nil
+"List of files preloaded into the XEmacs binary image.")
+(defvar Installation-string nil
+"Description of XEmacs installation.")
+(let ((gc-cons-threshold 30000))
+;; This is awfully damn early to be getting an error, right?
+(call-with-condition-handler 'really-early-error-handler
+#'(lambda ()
+	;; Initializa Installation-string.  We do it before loading
+	;; anything so that dumped code can make use of its value.
+	(setq Installation-string
+	      (save-current-buffer
+		(set-buffer (get-buffer-create (generate-new-buffer-name
+						" *temp*")))
+		;; insert-file-contents-internal bogusly calls
+		;; format-decode without checking if it's defined.
+		(fset 'format-decode #'(lambda (f l &optional v) l))
+		(insert-file-contents-internal "../Installation")
+		(fmakunbound 'format-decode)
+		(prog1 (buffer-substring)
+		  (kill-buffer (current-buffer)))))
+	(setq load-path (split-path (getenv "EMACSBOOTSTRAPLOADPATH")))
+	(setq module-load-path (split-path (getenv "EMACSBOOTSTRAPMODULEPATH")))
+	;; message not defined yet ...
+	(external-debugging-output (format "\nUsing load-path %s" load-path))
+	(external-debugging-output (format "\nUsing module-load-path %s"
+					   module-load-path))
+	;; We don't want to have any undo records in the dumped XEmacs.
+	(buffer-disable-undo (get-buffer "*scratch*"))
+	;; Load our first bootstrap support
+	(load "very-early-lisp" nil t)
+	;; lread.c (or src/Makefile.in.in) has prepended
+	;; "${srcdir}/../lisp/" to load-path, which is how this file
+	;; has been found.  At this point, enough of XEmacs has been
+	;; initialized that we can start dumping "standard" lisp.
+	;; Dumped lisp from external packages is added when we search
+	;; the package path.
+	;; #### This code is duplicated in two other places.
+	(let ((temp-path (expand-file-name "." (car load-path))))
+	  (setq load-path (nconc (mapcar
+				  #'(lambda (i) (concat i "/"))
+				  (directory-files temp-path t "^[^-.]"
+						   nil 'dirs-only))
+				 (cons (file-name-as-directory temp-path)
+				       load-path))))
+	(setq load-warn-when-source-newer t ; Used to be set to nil at the end
+	      load-warn-when-source-only  t) ; Set to nil at the end
+	;; garbage collect after loading every file in an attempt to
+	;; minimize the size of the dumped image (if we don't do this,
+	;; there will be lots of extra space in the data segment filled
+	;; with garbage-collected junk)
+	(defun pureload (file)
+	  (let ((full-path
+		 (locate-file file load-path
+			      (if load-ignore-elc-files
+				  '(".el" "") '(".elc" ".el" "")))))
+	    (if full-path
+		(prog1
+		  (load full-path)
+		  (garbage-collect))
+	      (external-debugging-output (format "\nLoad file %s: not found\n"
+						 file))
+	      ;; Uncomment in case of trouble
+	      ;;(print (format "late-packages: %S" late-packages))
+	      ;;(print (format "guessed-roots: %S" (paths-find-emacs-roots invocation-directory invocation-name)))
+	      nil)))
+	(load (expand-file-name "../lisp/dumped-lisp.el"))
+	(let ((files preloaded-file-list)
+	      file)
+	  (while (setq file (car files))
+	    (unless (pureload file)
+	      (external-debugging-output "Fatal error during load, aborting")
+	      (kill-emacs 1))
+	    (setq files (cdr files)))
+	  (when (not (featurep 'toolbar))
+	    ;; else still define a few functions.
+	    (defun toolbar-button-p    (obj) "No toolbar support." nil)
+	    (defun toolbar-specifier-p (obj) "No toolbar support." nil))
+	  (fmakunbound 'pureload))
+	(packages-load-package-dumped-lisps late-package-load-path)
+	)) ;; end of call-with-condition-handler
+;; Fix up the preloaded file list
+(setq preloaded-file-list (mapcar #'file-name-sans-extension
+				  preloaded-file-list))
+(setq load-warn-when-source-newer t ; set to t at top of file
+load-warn-when-source-only nil)
+(setq debugger 'debug)
+(when (member "no-site-file" command-line-args)
+(setq site-start-file nil))
+;; If you want additional libraries to be preloaded and their
+;; doc strings kept in the DOC file rather than in core,
+;; you may load them with a "site-load.el" file.
+;; But you must also cause them to be scanned when the DOC file
+;; is generated.  For VMS, you must edit ../../vms/makedoc.com.
+;; For other systems, you must edit ../../src/Makefile.in.in.
+(when (load "site-load" t)
+(garbage-collect))
+;;FSFmacs randomness
+;;(if (fboundp 'x-popup-menu)
+;;    (precompute-menubar-bindings))
+;;; Turn on recording of which commands get rebound,
+;;; for the sake of the next call to precompute-menubar-bindings.
+;(setq define-key-rebound-commands nil)
+;; Note: all compiled Lisp files loaded above this point
+;; must be among the ones parsed by make-docfile
+;; to construct DOC.  Any that are not processed
+;; for DOC will not have doc strings in the dumped XEmacs.
+;; Don't bother with these if we're running temacs, i.e. if we're
+;; just debugging don't waste time finding doc strings.
+;; purify-flag is nil if called from loadup-el.el.
+(when purify-flag
+(message "Finding pointers to doc strings...")
+(Snarf-documentation "DOC")
+(message "Finding pointers to doc strings...done")
+(Verify-documentation))
+;; Note: You can cause additional libraries to be preloaded
+;; by writing a site-init.el that loads them.
+;; See also "site-load" above.
+(when (stringp site-start-file)
+(load "site-init" t))
+(setq current-load-list nil)
+(garbage-collect)
+;;; At this point, we're ready to resume undo recording for scratch.
+(buffer-enable-undo "*scratch*")
+) ;; frequent garbage collection
+;; Dump into the name `xemacs' (only)
+(when (member "dump" command-line-args)
+(message "Dumping under the name xemacs")
+;; This is handled earlier in the build process.
+;; (condition-case () (delete-file "xemacs") (file-error nil))
+(when (fboundp 'really-free)
+(really-free))
+(dump-emacs (if (featurep 'infodock) "infodock" "xemacs") "temacs")
+(kill-emacs))
+;; Avoid error if user loads some more libraries now.
+(setq purify-flag nil)
+(when (member "run-temacs" command-line-args)
+(message "\nBootstrapping from temacs...")
+;; Remove all args up to and including "run-temacs"
+(apply #'run-emacs-from-temacs (cdr (member "run-temacs" command-line-args)))
+;; run-emacs-from-temacs doesn't actually return anyway.
+(kill-emacs))
+;; XEmacs change
+;; If you are using 'recompile', then you should have used -l loadup-el.el
+;; so that the .el files always get loaded (the .elc files may be out-of-
+;; date or bad).
+(when (member "recompile" command-line-args)
+(setq command-line-args-left (cdr (member "recompile" command-line-args)))
+(batch-byte-recompile-directory)
+(kill-emacs))
+;; For machines with CANNOT_DUMP defined in config.h,
+;; this file must be loaded each time Emacs is run.
+;; So run the startup code now.
+(when (not (fboundp 'dump-emacs))
+;; Avoid loading loadup.el a second time!
+(setq command-line-args (cdr (cdr command-line-args)))
+(eval top-level))
+;;; loadup.el ends here

Mercurial > hg > xemacs-beta

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