Initial revision

1 files changed, 67 insertions, 0 deletions

diff --git a/lisp/cus-dep.el b/lisp/cus-dep.el
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+++ b/lisp/cus-dep.el
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+;;; cus-dep.el --- Find customization dependencies.
+;;
+;; Copyright (C) 1997 Free Software Foundation, Inc.
+;;
+;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
+;; Keywords: internal
+
+;;; Code:
+
+(require 'cl)
+(load-file "widget.el")
+(load-file "custom.el")
+(load-file "cus-face.el")
+
+(defun custom-make-dependencies ()
+  "Batch function to extract custom dependencies from .el files.
+Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies"
+  (let ((enable-local-eval nil)
+        (files (directory-files "" nil "\\`[^=].*\\.el\\'" t))
+        file)
+    (while files
+      (setq file (car files)
+            files (cdr files))
+      (message "Checking %s..." file)
+      (set-buffer (find-file-noselect file))
+      (goto-char (point-min))
+      (string-match "\\`\\(.*\\)\\.el\\'" file)
+      (condition-case nil
+          (let ((name (file-name-nondirectory (match-string 1 file))))
+            (while t
+              (let ((expr (read (current-buffer))))
+                (when (and (listp expr)
+                           (memq (car expr) '(defcustom defface defgroup)))
+                  (eval expr)
+                  (put (nth 1 expr) 'custom-where name)))))
+        (error nil))
+      (kill-buffer (current-buffer))))
+  (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 '("))
+                      (insert (prin1-to-string where))
+                      (push where found)))
+                  (insert "))\n")))))
+  (insert "\n;;; cus-load.el ends here\n")
+  (save-buffer)
+  (message "Generating cus-load.el..."))
+
+;;; cus-dep.el ends here