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;;; cus-dep.el --- find customization dependencies
;;
;; Copyright (C) 1997, 2002, 2003, 2004, 2005,
;; 2006 Free Software Foundation, Inc.
;;
;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
;; Keywords: internal
;; 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 2, 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
(eval-when-compile (require 'cl))
(require 'widget)
(require 'cus-face)
(defvar generated-custom-dependencies-file "cus-load.el"
"Output file for \\[custom-make-dependencies].")
(defun custom-make-dependencies ()
"Batch function to extract custom dependencies from .el files.
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 ";;; " (file-name-nondirectory generated-custom-dependencies-file)
" --- automatically extracted custom dependencies
;;\n;;; Code:
")
(mapatoms (lambda (symbol)
(let ((members (get symbol 'custom-group))
where found)
(when members
(dolist (member
;; So x and no-x builds won't differ.
(sort (mapcar 'car members) 'string<))
(setq where (get member 'custom-where))
(unless (or (null where)
(member where found))
(push where found)))
(when found
(insert "(put '" (symbol-name symbol)
" 'custom-loads '")
(prin1 (nreverse found) (current-buffer))
(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 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.
;; `custom-versions-load-alist' is an alist that has as car a version
;; number and as elts 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.
;; 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
(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 (cons version (list where)) version-alist)))
;; This is a group
(insert "(custom-put-if-not '" (symbol-name symbol)
" 'custom-version ")
(prin1 version (current-buffer))
(insert ")\n")
(insert "(custom-put-if-not '" (symbol-name symbol))
(insert " 'group-documentation ")
(prin1 (get symbol 'group-documentation) (current-buffer))
(insert ")\n")
(when (get symbol 'custom-tag)
(insert "(custom-put-if-not '" (symbol-name symbol))
(insert " 'custom-tag ")
(prin1 (get symbol 'custom-tag) (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 '" (file-name-sans-extension
(file-name-nondirectory generated-custom-dependencies-file)) ")
;; Local Variables:
;; version-control: never
;; no-byte-compile: t
;; no-update-autoloads: t
;; End:\n;;; "
(file-name-nondirectory generated-custom-dependencies-file)
" ends here\n")
(let ((kept-new-versions 10000000))
(save-buffer))
(message "Generating %s...done" generated-custom-dependencies-file)
(kill-emacs))
;; arch-tag: b7b6421a-bf7a-44fd-a382-6f44976bdf68
;;; cus-dep.el ends here
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