-;;; cus-dep.el --- Find customization dependencies.
+;;; cus-dep.el --- find customization dependencies
;;
;; Copyright (C) 1997 Free Software Foundation, Inc.
;;
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
+;;; Commentary:
+
;;; Code:
-(require 'cl)
+(eval-when-compile (require 'cl))
(require 'widget)
(require 'cus-face)
+(defvar generated-custom-dependencies-file "cus-load.el"
+ "File \\[cusom-make-dependencies] puts custom dependencies into.")
+
(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)
- all-subdirs pending
- (start-directory default-directory))
- (get-buffer-create " cus-dep temp")
- (set-buffer " cus-dep temp")
- (setq pending '("."))
- (while pending
- (let ((this (car pending))
- this-subdirs
- default-directory)
- (setq all-subdirs (cons this all-subdirs))
- (setq pending (cdr pending))
- (setq default-directory
- (expand-file-name this start-directory))
- (message "Finding subdirs of %s" this)
- (erase-buffer)
- (condition-case nil
- (progn
- (insert-file-contents "subdirs.el")
- (goto-char (point-min))
- (search-forward "'(")
- (forward-char -1)
- (setq this-subdirs (read (current-buffer)))
- (setq pending (nconc pending
- (mapcar
- (function (lambda (dir)
- (file-relative-name
- (file-name-as-directory
- (expand-file-name dir this))
- start-directory)))
- this-subdirs))))
- (error nil))))
-
- (while all-subdirs
- (message "Directory %s" (car all-subdirs))
- (let ((files (directory-files (car all-subdirs) nil "\\`[^=].*\\.el\\'"))
- (default-directory default-directory)
- file)
- (cd (car all-subdirs))
- (while files
- (setq file (car files)
- files (cdr files))
- (message "Checking %s..." 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)
- (beginning-of-line)
- (let ((expr (read (current-buffer))))
- (eval expr)
- (put (nth 1 expr) 'custom-where name)))
- (error nil))))
- (setq all-subdirs (cdr all-subdirs)))))
- (message "Generating cus-load.el...")
- (find-file "cus-load.el")
+Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies DIRS"
+ (let ((enable-local-eval nil))
+ (set-buffer (get-buffer-create " cus-dep temp"))
+ (dolist (subdir command-line-args-left)
+ (message "Directory %s" subdir)
+ (let ((files (directory-files subdir nil "\\`[^=].*\\.el\\'"))
+ (default-directory (expand-file-name subdir))
+ (preloaded (concat "\\`"
+ (regexp-opt (mapcar
+ (lambda (f)
+ (file-name-sans-extension
+ (file-name-nondirectory f)))
+ preloaded-file-list) t)
+ "\\.el\\'")))
+ (dolist (file files)
+ (when (and (file-exists-p file)
+ ;; Ignore files that are preloaded.
+ (not (string-match preloaded file)))
+ (erase-buffer)
+ (insert-file-contents file)
+ (goto-char (point-min))
+ (string-match "\\`\\(.*\\)\\.el\\'" file)
+ (let ((name (file-name-nondirectory (match-string 1 file)))
+ (load-file-name file))
+ (if (save-excursion
+ (re-search-forward
+ (concat "(provide[ \t\n]+\\('\\|(quote[ \t\n]\\)[ \t\n]*"
+ (regexp-quote name) "[ \t\n)]")
+ nil t))
+ (setq name (intern name)))
+ (condition-case nil
+ (while (re-search-forward
+ "^(def\\(custom\\|face\\|group\\)" nil t)
+ (beginning-of-line)
+ (let ((expr (read (current-buffer))))
+ (condition-case nil
+ (let ((custom-dont-initialize t))
+ (eval expr)
+ (put (nth 1 expr) 'custom-where name))
+ (error nil))))
+ (error nil))))))))
+ (message "Generating %s..." generated-custom-dependencies-file)
+ (set-buffer (find-file-noselect generated-custom-dependencies-file))
(erase-buffer)
(insert "\
-;;; cus-load.el --- automatically extracted custom dependencies
+;;; " (file-name-nondirectory generated-custom-dependencies-file)
+ " --- automatically extracted custom dependencies
;;
;;; Code:
(let ((members (get symbol 'custom-group))
item where found)
(when members
+ ;; So x and no-x builds won't differ.
+ (setq members
+ (sort (copy-sequence members)
+ (lambda (x y) (string< (car x) (car y)))))
(while members
(setq item (car (car members))
members (cdr members)
(when found
(insert "))\n"))))))
(insert "\
+;;; These are for handling :version. We need to have a minimum of
+;;; information so `customize-changed-options' 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
+;;; " (file-name-nondirectory generated-custom-dependencies-file)
+ " 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 where
+ (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)
+\(provide '" (file-name-sans-extension
+ (file-name-nondirectory generated-custom-dependencies-file)) ")
-;;; cus-load.el ends here\n")
+;;; Local Variables:
+;;; version-control: never
+;;; no-byte-compile: t
+;;; no-update-autoloads: t
+;;; End:
+;;; " (file-name-nondirectory generated-custom-dependencies-file) " ends here\n")
(let ((kept-new-versions 10000000))
(save-buffer))
- (message "Generating cus-load.el...done"))
+ (message "Generating %s...done" generated-custom-dependencies-file)
+ (kill-emacs))
+\f
;;; cus-dep.el ends here