--- /dev/null
+;;; cus-dep.el --- Find customization dependencies.
+;;
+;; Copyright (C) 1997 Free Software Foundation, Inc.
+;;
+;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
+;; Keywords: internal
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs 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.
+
+;; GNU Emacs 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 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.
+
+;;; Code:
+
+(require 'cl)
+(require 'widget)
+(require 'cus-face)
+(require 'autoload)
+
+(defun custom-make-dependencies ()
+ "Batch function to extract custom dependencies from .el files.
+Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies DIRS"
+ (let ((enable-local-eval nil)
+ (all-subdirs command-line-args-left)
+ (start-directory default-directory))
+ (get-buffer-create " cus-dep temp")
+ (set-buffer " cus-dep temp")
+ (while all-subdirs
+ (message "Directory %s" (car all-subdirs))
+ (let ((files (directory-files (car all-subdirs) nil "\\`[^=].*\\.el\\'"))
+ (default-directory default-directory)
+ file
+ is-autoloaded)
+ (cd (car all-subdirs))
+ (while files
+ (setq file (car files)
+ files (cdr files))
+ (when (file-exists-p file)
+ (erase-buffer)
+ (insert-file-contents file)
+ (goto-char (point-min))
+ (string-match "\\`\\(.*\\)\\.el\\'" file)
+ (let ((name (file-name-nondirectory (match-string 1 file))))
+ (condition-case nil
+ (while (re-search-forward "^(defcustom\\|^(defface\\|^(defgroup"
+ nil t)
+ (setq is-autoloaded nil)
+ (beginning-of-line)
+ (save-excursion
+ (forward-line -1)
+ (if (looking-at generate-autoload-cookie)
+ (setq is-autoloaded t)))
+ (let ((expr (read (current-buffer))))
+ (condition-case nil
+ (progn
+ (eval expr)
+ (put (nth 1 expr) 'custom-autoloaded is-autoloaded)
+ (put (nth 1 expr) 'custom-where name))
+ (error nil))))
+ (error nil)))))
+ (setq all-subdirs (cdr all-subdirs)))))
+ (message "Generating cus-load.el...")
+ (find-file "cus-load.el")
+ (erase-buffer)
+ (insert "\
+;;; cus-load.el --- automatically extracted custom dependencies
+;;
+;;; Code:
+
+")
+ (mapatoms (lambda (symbol)
+ (let ((members (get symbol 'custom-group))
+ item where found)
+ (when members
+ (while members
+ (setq item (car (car members))
+ members (cdr members)
+ where (get item 'custom-where))
+ (unless (or (null where)
+ (member where found))
+ (if found
+ (insert " ")
+ (insert "(put '" (symbol-name symbol)
+ " 'custom-loads '("))
+ (prin1 where (current-buffer))
+ (push where found)))
+ (when found
+ (insert "))\n"))))))
+ (insert "\
+;;; These are for handling :version. We need to have a minimum of
+;;; information so `custom-changed-variables' could do its job.
+;;; For both groups and variables we have to set `custom-version'.
+;;; For variables we also set the `standard-value' and for groups
+;;; `group-documentation' (which is shown in the customize buffer), so
+;;; we don't have to load the file containing the group.
+
+;;; `custom-versions-load-alist' is an alist that has as car a version
+;;; number and as elts the files that have variables that contain that
+;;; version. These files should be loaded before showing the
+;;; customization buffer that `customize-changed-options' generates.
+
+
+;;; This macro is used so we don't modify the information about
+;;; variables and groups if it's already set. (We don't know when
+;;; cus-load.el is going to be loaded and at that time some of the
+;;; files might be loaded and some others might not).
+(defmacro custom-put-if-not (symbol propname value)
+ `(unless (get ,symbol ,propname)
+ (put ,symbol ,propname ,value)))
+
+")
+ (let ((version-alist nil))
+ (mapatoms (lambda (symbol)
+ (let ((version (get symbol 'custom-version))
+ where)
+ (when version
+ (setq where (get symbol 'custom-where))
+ (when (and where
+ ;; Don't bother to do anything if it's
+ ;; autoloaded because we will have all
+ ;; this info when emacs is running
+ ;; anyway.
+ (not (get symbol 'custom-autoloaded)))
+ (insert "(custom-put-if-not '" (symbol-name symbol)
+ " 'custom-version ")
+ (prin1 version (current-buffer))
+ (insert ")\n")
+ (insert "(custom-put-if-not '" (symbol-name symbol))
+ (if (get symbol 'standard-value)
+ ;; This means it's a variable
+ (progn
+ (insert " 'standard-value t)\n")
+ (if (assoc version version-alist)
+ (unless
+ (member where
+ (cdr (assoc version version-alist)))
+ (push where (cdr (assoc version version-alist))))
+ (push (cons version (list where)) version-alist)))
+ ;; This is a group
+ (insert " 'group-documentation ")
+ (prin1 (get symbol 'group-documentation) (current-buffer))
+ (insert ")\n")))))))
+
+ (insert "\n(defvar custom-versions-load-alist "
+ (if version-alist "'" ""))
+ (prin1 version-alist (current-buffer))
+ (insert "\n \"For internal use by custom.\")\n"))
+
+ (insert "\
+
+\(provide 'cus-load)
+
+;;; cus-load.el ends here\n")
+ (let ((kept-new-versions 10000000))
+ (save-buffer))
+ (message "Generating cus-load.el...done")
+ (kill-emacs))
+
+;;; cus-dep.el ends here
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