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180 lines
5.8 KiB
EmacsLisp
180 lines
5.8 KiB
EmacsLisp
;;; cus-dep.el --- find customization dependencies
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;;
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;; Copyright (C) 1997 Free Software Foundation, Inc.
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;;
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;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
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;; Keywords: internal
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;;; Code:
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(eval-when-compile (require 'cl))
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(require 'widget)
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(require 'cus-face)
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(require 'autoload)
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(defun custom-make-dependencies ()
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"Batch function to extract custom dependencies from .el files.
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Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies DIRS"
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(let ((enable-local-eval nil)
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(all-subdirs command-line-args-left)
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(start-directory default-directory))
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(get-buffer-create " cus-dep temp")
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(set-buffer " cus-dep temp")
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(while all-subdirs
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(message "Directory %s" (car all-subdirs))
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(let ((files (directory-files (car all-subdirs) nil "\\`[^=].*\\.el\\'"))
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(default-directory default-directory)
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file
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is-autoloaded)
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(cd (car all-subdirs))
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(while files
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(setq file (car files)
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files (cdr files))
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(when (file-exists-p file)
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(erase-buffer)
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(insert-file-contents file)
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(goto-char (point-min))
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(string-match "\\`\\(.*\\)\\.el\\'" file)
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(let ((name (file-name-nondirectory (match-string 1 file))))
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(condition-case nil
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(while (re-search-forward "^(defcustom\\|^(defface\\|^(defgroup"
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nil t)
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(setq is-autoloaded nil)
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(beginning-of-line)
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(save-excursion
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(forward-line -1)
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(if (looking-at generate-autoload-cookie)
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(setq is-autoloaded t)))
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(let ((expr (read (current-buffer))))
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(condition-case nil
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(progn
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(eval expr)
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(put (nth 1 expr) 'custom-autoloaded is-autoloaded)
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(put (nth 1 expr) 'custom-where name))
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(error nil))))
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(error nil)))))
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(setq all-subdirs (cdr all-subdirs)))))
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(message "Generating cus-load.el...")
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(find-file "cus-load.el")
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(erase-buffer)
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(insert "\
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;;; cus-load.el --- automatically extracted custom dependencies
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;;
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;;; Code:
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")
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(mapatoms (lambda (symbol)
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(let ((members (get symbol 'custom-group))
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item where found)
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(when members
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(while members
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(setq item (car (car members))
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members (cdr members)
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where (get item 'custom-where))
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(unless (or (null where)
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(member where found))
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(if found
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(insert " ")
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(insert "(put '" (symbol-name symbol)
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" 'custom-loads '("))
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(prin1 where (current-buffer))
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(push where found)))
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(when found
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(insert "))\n"))))))
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(insert "\
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;;; These are for handling :version. We need to have a minimum of
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;;; information so `custom-changed-variables' could do its job.
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;;; For both groups and variables we have to set `custom-version'.
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;;; For variables we also set the `standard-value' and for groups
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;;; `group-documentation' (which is shown in the customize buffer), so
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;;; we don't have to load the file containing the group.
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;;; `custom-versions-load-alist' is an alist that has as car a version
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;;; number and as elts the files that have variables that contain that
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;;; version. These files should be loaded before showing the
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;;; customization buffer that `customize-changed-options' generates.
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;;; This macro is used so we don't modify the information about
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;;; variables and groups if it's already set. (We don't know when
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;;; cus-load.el is going to be loaded and at that time some of the
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;;; files might be loaded and some others might not).
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\(defmacro custom-put-if-not (symbol propname value)
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`(unless (get ,symbol ,propname)
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(put ,symbol ,propname ,value)))
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")
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(let ((version-alist nil))
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(mapatoms (lambda (symbol)
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(let ((version (get symbol 'custom-version))
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where)
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(when version
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(setq where (get symbol 'custom-where))
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(when (and where
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;; Don't bother to do anything if it's
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;; autoloaded because we will have all
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;; this info when emacs is running
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;; anyway.
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(not (get symbol 'custom-autoloaded)))
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(insert "(custom-put-if-not '" (symbol-name symbol)
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" 'custom-version ")
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(prin1 version (current-buffer))
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(insert ")\n")
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(insert "(custom-put-if-not '" (symbol-name symbol))
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(if (get symbol 'standard-value)
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;; This means it's a variable
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(progn
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(insert " 'standard-value t)\n")
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(if (assoc version version-alist)
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(unless
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(member where
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(cdr (assoc version version-alist)))
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(push where (cdr (assoc version version-alist))))
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(push (cons version (list where)) version-alist)))
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;; This is a group
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(insert " 'group-documentation ")
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(prin1 (get symbol 'group-documentation) (current-buffer))
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(insert ")\n")))))))
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(insert "\n(defvar custom-versions-load-alist "
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(if version-alist "'" ""))
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(prin1 version-alist (current-buffer))
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(insert "\n \"For internal use by custom.\")\n"))
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(insert "\
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\(provide 'cus-load)
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;;; Local Variables:
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;;; version-control: never
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;;; no-byte-compile: t
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;;; no-update-autoloads: t
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;;; End:
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;;; cus-load.el ends here\n")
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(let ((kept-new-versions 10000000))
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(save-buffer))
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(message "Generating cus-load.el...done")
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(kill-emacs))
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;;; cus-dep.el ends here
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