code.delx.au - gnu-emacs/blob - lisp/cus-dep.el

   1 ;;; cus-dep.el --- Find customization dependencies.
   2 ;;
   3 ;; Copyright (C) 1997 Free Software Foundation, Inc.
   4 ;;
   5 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
   6 ;; Keywords: internal
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 2, or (at your option)
  13 ;; any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 ;; Boston, MA 02111-1307, USA.
  24
  25 ;;; Code:
  26
  27 (require 'cl)
  28 (load-file "widget.el")
  29 (load-file "custom.el")
  30 (load-file "cus-face.el")
  31
  32 (defun custom-make-dependencies ()
  33   "Batch function to extract custom dependencies from .el files.
  34 Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies"
  35   (let ((enable-local-eval nil)
  36         (files (directory-files "" nil "\\`[^=].*\\.el\\'" t))
  37         file)
  38     (while files
  39       (setq file (car files)
  40             files (cdr files))
  41       (message "Checking %s..." file)
  42       (set-buffer (find-file-noselect file))
  43       (goto-char (point-min))
  44       (string-match "\\`\\(.*\\)\\.el\\'" file)
  45       (condition-case nil
  46           (let ((name (file-name-nondirectory (match-string 1 file))))
  47             (while t
  48               (let ((expr (read (current-buffer))))
  49                 (when (and (listp expr)
  50                            (memq (car expr) '(defcustom defface defgroup)))
  51                   (eval expr)
  52                   (put (nth 1 expr) 'custom-where name)))))
  53         (error nil))
  54       (kill-buffer (current-buffer))))
  55   (message "Generating cus-load.el...")
  56   (find-file "cus-load.el")
  57   (erase-buffer)
  58   (insert "\
  59 ;;; cus-load.el --- automatically extracted custom dependencies
  60 ;;
  61 ;;; Code:
  62
  63 ")
  64   (mapatoms (lambda (symbol)
  65               (let ((members (get symbol 'custom-group))
  66                     item where found)
  67                 (when members
  68                   (while members
  69                     (setq item (car (car members))
  70                           members (cdr members)
  71                           where (get item 'custom-where))
  72                     (unless (or (null where)
  73                                 (member where found))
  74                       (if found
  75                           (insert " ")
  76                         (insert "(put '" (symbol-name symbol)
  77                                 " 'custom-loads '("))
  78                       (prin1 where (current-buffer))
  79                       (push where found)))
  80                   (when found
  81                     (insert "))\n"))))))
  82   (insert "\
  83
  84 \(provide 'cus-load)
  85
  86 ;;; cus-load.el ends here\n")
  87   (save-buffer)
  88   (message "Generating cus-load.el...done"))
  89
  90 ;;; cus-dep.el ends here