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193 lines
6.5 KiB
EmacsLisp
193 lines
6.5 KiB
EmacsLisp
;;; cus-dep.el --- find customization dependencies
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;;
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;; Copyright (C) 1997, 2002, 2003, 2004, 2005 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., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, 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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(defvar generated-custom-dependencies-file "cus-load.el"
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"File \\[cusom-make-dependencies] puts custom dependencies into.")
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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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(set-buffer (get-buffer-create " cus-dep temp"))
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(dolist (subdir command-line-args-left)
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(message "Directory %s" subdir)
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(let ((files (directory-files subdir nil "\\`[^=].*\\.el\\'"))
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(default-directory (expand-file-name subdir))
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(preloaded (concat "\\`"
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(regexp-opt (mapcar
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(lambda (f)
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(file-name-sans-extension
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(file-name-nondirectory f)))
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preloaded-file-list) t)
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"\\.el\\'")))
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(dolist (file files)
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(when (and (file-exists-p file)
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;; Ignore files that are preloaded.
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(not (string-match preloaded 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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(load-file-name file))
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(if (save-excursion
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(re-search-forward
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(concat "(provide[ \t\n]+\\('\\|(quote[ \t\n]\\)[ \t\n]*"
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(regexp-quote name) "[ \t\n)]")
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nil t))
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(setq name (intern name)))
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(condition-case nil
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(while (re-search-forward
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"^(def\\(custom\\|face\\|group\\)" nil t)
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(beginning-of-line)
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(let ((expr (read (current-buffer))))
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(condition-case nil
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(let ((custom-dont-initialize t))
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(eval expr)
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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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(message "Generating %s..." generated-custom-dependencies-file)
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(set-buffer (find-file-noselect generated-custom-dependencies-file))
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(erase-buffer)
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(insert "\
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;;; " (file-name-nondirectory generated-custom-dependencies-file)
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" --- 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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;; So x and no-x builds won't differ.
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(setq members
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(sort (copy-sequence members)
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(lambda (x y) (string< (car x) (car y)))))
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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 `customize-changed-options' could do its job.
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;;; For groups we set `custom-version', `group-documentation' and
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;;; `custom-tag' (which are shown in the customize buffer), so we
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;;; 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 or faces that
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;;; contain that version. These files should be loaded before showing
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;;; the customization buffer that `customize-changed-options'
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;;; 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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;;; " (file-name-nondirectory generated-custom-dependencies-file)
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" 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 where
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(if (or (custom-variable-p symbol)
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(custom-facep symbol))
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;; This means it's a variable or a face.
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(progn
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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 "(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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(insert " 'group-documentation ")
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(prin1 (get symbol 'group-documentation) (current-buffer))
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(insert ")\n")
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(when (get symbol 'custom-tag)
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(insert "(custom-put-if-not '" (symbol-name symbol))
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(insert " 'custom-tag ")
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(prin1 (get symbol 'custom-tag) (current-buffer))
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(insert ")\n"))
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))))))
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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 '" (file-name-sans-extension
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(file-name-nondirectory generated-custom-dependencies-file)) ")
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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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;;; " (file-name-nondirectory generated-custom-dependencies-file) " ends here\n")
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(let ((kept-new-versions 10000000))
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(save-buffer))
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(message "Generating %s...done" generated-custom-dependencies-file)
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(kill-emacs))
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;;; arch-tag: b7b6421a-bf7a-44fd-a382-6f44976bdf68
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;;; cus-dep.el ends here
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