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 (require 'widget)
  29 (require 'cus-face)
  30
  31 (defun custom-make-dependencies ()
  32   "Batch function to extract custom dependencies from .el files.
  33 Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies DIRS"
  34   (let ((enable-local-eval nil)
  35         (all-subdirs command-line-args-left)
  36         (start-directory default-directory))
  37     (get-buffer-create " cus-dep temp")
  38     (set-buffer " cus-dep temp")
  39     (while all-subdirs
  40       (message "Directory %s" (car all-subdirs))
  41       (let ((files (directory-files (car all-subdirs) nil "\\`[^=].*\\.el\\'"))
  42             (default-directory default-directory)
  43             file)
  44         (cd (car all-subdirs))
  45         (while files
  46           (setq file (car files)
  47                 files (cdr files))
  48           (when (file-exists-p file)
  49             (erase-buffer)
  50             (insert-file-contents file)
  51             (goto-char (point-min))
  52             (string-match "\\`\\(.*\\)\\.el\\'" file)
  53             (let ((name (file-name-nondirectory (match-string 1 file))))
  54               (condition-case nil
  55                   (while (re-search-forward "^(defcustom\\|^(defface\\|^(defgroup"
  56                                             nil t)
  57                     (beginning-of-line)
  58                     (let ((expr (read (current-buffer))))
  59                       (eval expr)
  60                       (put (nth 1 expr) 'custom-where name)))
  61                 (error nil)))))
  62         (setq all-subdirs (cdr all-subdirs)))))
  63   (message "Generating cus-load.el...")
  64   (find-file "cus-load.el")
  65   (erase-buffer)
  66   (insert "\
  67 ;;; cus-load.el --- automatically extracted custom dependencies
  68 ;;
  69 ;;; Code:
  70
  71 ")
  72   (mapatoms (lambda (symbol)
  73               (let ((members (get symbol 'custom-group))
  74                     item where found)
  75                 (when members
  76                   (while members
  77                     (setq item (car (car members))
  78                           members (cdr members)
  79                           where (get item 'custom-where))
  80                     (unless (or (null where)
  81                                 (member where found))
  82                       (if found
  83                           (insert " ")
  84                         (insert "(put '" (symbol-name symbol)
  85                                 " 'custom-loads '("))
  86                       (prin1 where (current-buffer))
  87                       (push where found)))
  88                   (when found
  89                     (insert "))\n"))))))
  90   (insert "\
  91
  92 \(provide 'cus-load)
  93
  94 ;;; cus-load.el ends here\n")
  95   (let ((kept-new-versions 10000000))
  96     (save-buffer))
  97   (message "Generating cus-load.el...done")
  98   (kill-emacs))
  99
 100 ;;; cus-dep.el ends here