-;;; cus-dep.el --- Find customization dependencies.
+;;; cus-dep.el --- find customization dependencies
;;
-;; Copyright (C) 1997 Free Software Foundation, Inc.
+;; Copyright (C) 1997, 2001-2014 Free Software Foundation, Inc.
;;
;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
;; Keywords: internal
+;; Package: emacs
+
+;; 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
;;; Code:
-(require 'cl)
-(load-file "widget.el")
-(load-file "custom.el")
-(load-file "cus-face.el")
+(require 'widget)
+(require 'cus-face)
+
+(defvar generated-custom-dependencies-file "cus-load.el"
+ "Output file for `custom-make-dependencies'.")
+
+;; See finder-no-scan-regexp in finder.el.
+(defvar custom-dependencies-no-scan-regexp "\\(^\\.#\\|\\(loaddefs\\|\
+ldefs-boot\\|cus-load\\|finder-inf\\|esh-groups\\|subdirs\\)\\.el$\\)"
+ "Regexp matching file names not to scan for `custom-make-dependencies'.")
+
+(require 'autoload)
+
+;; Hack workaround for bug#14384.
+;; Define defcustom-mh as an alias for defcustom, etc.
+;; Only do this in batch mode to avoid messing up a normal Emacs session.
+;; Alternative would be to load mh-e when making cus-load.
+;; (Would be better to split just the necessary parts of mh-e into a
+;; separate file and only load that.)
+(when (and noninteractive)
+ (mapc (lambda (e) (let ((sym (intern (format "%s-mh" e))))
+ (or (fboundp sym)
+ (defalias sym e))))
+ '(defcustom defface defgroup)))
(defun custom-make-dependencies ()
"Batch function to extract custom dependencies from .el files.
-Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies"
+Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies DIRS"
(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")
+ (enable-local-variables :safe)
+ subdir)
+ (with-temp-buffer
+ ;; Use up command-line-args-left else Emacs can try to open
+ ;; the args as directories after we are done.
+ (while (setq subdir (pop 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 preloaded-file-list t)
+ "\\.el\\'")))
+ (dolist (file files)
+ (unless (or (string-match custom-dependencies-no-scan-regexp file)
+ (string-match preloaded (format "%s/%s" subdir file))
+ (not (file-exists-p file)))
+ (erase-buffer)
+ (kill-all-local-variables)
+ (insert-file-contents file)
+ (hack-local-variables)
+ (goto-char (point-min))
+ (string-match "\\`\\(.*\\)\\.el\\'" file)
+ (let ((name (or generated-autoload-load-name ; see bug#5277
+ (file-name-nondirectory (match-string 1 file))))
+ (load-file-name file))
+ (if (save-excursion
+ (re-search-forward
+ (concat "(\\(cc-\\)?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 ((type (match-string 1))
+ (expr (read (current-buffer))))
+ (condition-case nil
+ (let ((custom-dont-initialize t))
+ ;; Eval to get the 'custom-group, -tag,
+ ;; -version, group-documentation etc properties.
+ (put (nth 1 expr) 'custom-where name)
+ (eval expr))
+ ;; Eval failed for some reason. Eg maybe the
+ ;; defcustom uses something defined earlier
+ ;; in the file (we haven't loaded the file).
+ ;; In most cases, we can still get the :group.
+ (error
+ (ignore-errors
+ (let ((group (cadr (memq :group expr))))
+ (and group
+ (eq (car group) 'quote)
+ (custom-add-to-group
+ (cadr group)
+ (nth 1 expr)
+ (intern (format "custom-%s"
+ (if (equal type "custom")
+ "variable"
+ type)))))))))))
+ (error nil)))))))))
+ (message "Generating %s..." generated-custom-dependencies-file)
+ (set-buffer (find-file-noselect generated-custom-dependencies-file))
+ (setq buffer-undo-list t)
(erase-buffer)
+ (insert (autoload-rubric generated-custom-dependencies-file
+ "custom dependencies" t))
+ (search-backward "\f")
+ (let (alist)
+ (mapatoms (lambda (symbol)
+ (let ((members (get symbol 'custom-group))
+ where found)
+ (when members
+ (dolist (member (mapcar 'car members))
+ (setq where (get member 'custom-where))
+ (unless (or (null where)
+ (member where found))
+ (push where found)))
+ (when found
+ (push (cons (symbol-name symbol)
+ (with-output-to-string
+ (prin1 (sort found 'string<)))) alist))))))
+ (dolist (e (sort alist (lambda (e1 e2) (string< (car e1) (car e2)))))
+ (insert "(put '" (car e) " 'custom-loads '" (cdr e) ")\n")))
(insert "\
-;;; cus-load.el --- automatically extracted custom dependencies
-;;
-;;; Code:
+
+;; The remainder of this file is for handling :version.
+;; We provide a minimum of information so that `customize-changed-options'
+;; can do its job.
+
+;; For groups we set `custom-version', `group-documentation' and
+;; `custom-tag' (which are shown in the customize buffer), so we
+;; don't have to load the file containing the group.
+
+;; 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)))
")
- (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 "\n;;; cus-load.el ends here\n")
+ (let ((version-alist nil)
+ groups)
+ (mapatoms (lambda (symbol)
+ (let ((version (get symbol 'custom-version))
+ where)
+ (when version
+ (setq where (get symbol 'custom-where))
+ (when where
+ (if (or (custom-variable-p symbol)
+ (custom-facep symbol))
+ ;; This means it's a variable or a face.
+ (progn
+ (if (assoc version version-alist)
+ (unless
+ (member where
+ (cdr (assoc version version-alist)))
+ (push where (cdr (assoc version version-alist))))
+ (push (list version where) version-alist)))
+ ;; This is a group
+ (push (list (symbol-name symbol)
+ (with-output-to-string (prin1 version))
+ (with-output-to-string
+ (prin1 (get symbol 'group-documentation)))
+ (if (get symbol 'custom-tag)
+ (with-output-to-string
+ (prin1 (get symbol 'custom-tag)))))
+ groups)))))))
+ (dolist (e (sort groups (lambda (e1 e2) (string< (car e1) (car e2)))))
+ (insert "(custom-put-if-not '" (car e) " 'custom-version '"
+ (nth 1 e) ")\n")
+ (insert "(custom-put-if-not '" (car e) " 'group-documentation "
+ (nth 2 e) ")\n")
+ (if (nth 3 e)
+ (insert "(custom-put-if-not '" (car e) " 'custom-tag "
+ (nth 3 e) ")\n")))
+
+ (insert "\n(defvar custom-versions-load-alist "
+ (if version-alist "'" ""))
+ (prin1 (sort version-alist (lambda (e1 e2) (version< (car e1) (car e2))))
+ (current-buffer))
+ (insert "\n \"For internal use by custom.
+This is an alist whose members have as car a version string, and as
+elements the files that have variables or faces that contain that
+version. These files should be loaded before showing the customization
+buffer that `customize-changed-options' generates.\")\n\n"))
(save-buffer)
- (message "Generating cus-load.el...done"))
+ (message "Generating %s...done" generated-custom-dependencies-file))
+
+\f
+(provide 'cus-dep)
;;; cus-dep.el ends here