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e8af40ee | 1 | ;;; cus-dep.el --- find customization dependencies |
860af8ec | 2 | ;; |
ab422c4d | 3 | ;; Copyright (C) 1997, 2001-2013 Free Software Foundation, Inc. |
860af8ec PA |
4 | ;; |
5 | ;; Author: Per Abrahamsen <abraham@dina.kvl.dk> | |
6 | ;; Keywords: internal | |
bd78fa1d | 7 | ;; Package: emacs |
860af8ec | 8 | |
c2383d2d RS |
9 | ;; This file is part of GNU Emacs. |
10 | ||
eb3fa2cf | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
c2383d2d | 12 | ;; it under the terms of the GNU General Public License as published by |
eb3fa2cf GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
c2383d2d RS |
15 | |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
eb3fa2cf | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
c2383d2d | 23 | |
e8af40ee PJ |
24 | ;;; Commentary: |
25 | ||
860af8ec PA |
26 | ;;; Code: |
27 | ||
c9aadf03 RS |
28 | (require 'widget) |
29 | (require 'cus-face) | |
860af8ec | 30 | |
b1d7940f | 31 | (defvar generated-custom-dependencies-file "cus-load.el" |
9b3cd5b4 GM |
32 | "Output file for `custom-make-dependencies'.") |
33 | ||
34 | ;; See finder-no-scan-regexp in finder.el. | |
35 | (defvar custom-dependencies-no-scan-regexp "\\(^\\.#\\|\\(loaddefs\\|\ | |
3c0d7a5e | 36 | ldefs-boot\\|cus-load\\|finder-inf\\|esh-groups\\|subdirs\\)\\.el$\\)" |
9b3cd5b4 GM |
37 | "Regexp matching file names not to scan for `custom-make-dependencies'.") |
38 | ||
39 | (autoload 'autoload-rubric "autoload") | |
b1d7940f | 40 | |
5e00cfa5 EZ |
41 | (defun set-generated-custom-dependencies-file (file) |
42 | "Set value of `generated-custom-dependencies-file' from FILE. | |
43 | ||
44 | On systems other than MS-Windows, just sets the value | |
45 | of `generated-custom-dependencies-file'. On MS-Windows, converts | |
46 | /d/foo/bar form passed by MSYS Make into d:/foo/bar that Emacs can | |
47 | grok. This function is called from lisp/Makefile." | |
48 | (when (and (eq system-type 'windows-nt) | |
49 | (string-match "\\`/[a-zA-Z]/" file)) | |
50 | (setq file (concat (substring file 1 2) ":" (substring file 2)))) | |
51 | (setq generated-custom-dependencies-file file)) | |
52 | ||
860af8ec PA |
53 | (defun custom-make-dependencies () |
54 | "Batch function to extract custom dependencies from .el files. | |
efbdca12 | 55 | Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies DIRS" |
d647b7c4 GM |
56 | (let ((enable-local-eval nil) |
57 | subdir) | |
9b3cd5b4 | 58 | (with-temp-buffer |
d647b7c4 GM |
59 | ;; Use up command-line-args-left else Emacs can try to open |
60 | ;; the args as directories after we are done. | |
61 | (while (setq subdir (pop command-line-args-left)) | |
9b3cd5b4 GM |
62 | (message "Directory %s" subdir) |
63 | (let ((files (directory-files subdir nil "\\`[^=].*\\.el\\'")) | |
64 | (default-directory (expand-file-name subdir)) | |
65 | (preloaded (concat "\\`" | |
66 | (regexp-opt (mapcar | |
d2c32364 | 67 | 'file-name-base |
9b3cd5b4 GM |
68 | preloaded-file-list) t) |
69 | "\\.el\\'"))) | |
70 | (dolist (file files) | |
71 | (unless (or (string-match custom-dependencies-no-scan-regexp file) | |
72 | (string-match preloaded file) | |
73 | (not (file-exists-p file))) | |
74 | (erase-buffer) | |
75 | (insert-file-contents file) | |
76 | (goto-char (point-min)) | |
77 | (string-match "\\`\\(.*\\)\\.el\\'" file) | |
78 | (let ((name (file-name-nondirectory (match-string 1 file))) | |
79 | (load-file-name file)) | |
80 | (if (save-excursion | |
81 | (re-search-forward | |
5188f2eb SM |
82 | (concat "(provide[ \t\n]+\\('\\|(quote[ \t\n]\\)[ \t\n]*" |
83 | (regexp-quote name) "[ \t\n)]") | |
84 | nil t)) | |
9b3cd5b4 GM |
85 | (setq name (intern name))) |
86 | (condition-case nil | |
87 | (while (re-search-forward | |
88 | "^(def\\(custom\\|face\\|group\\)" nil t) | |
89 | (beginning-of-line) | |
90 | (let ((expr (read (current-buffer)))) | |
91 | (condition-case nil | |
92 | (let ((custom-dont-initialize t)) | |
93 | (eval expr) | |
94 | (put (nth 1 expr) 'custom-where name)) | |
95 | (error nil)))) | |
96 | (error nil))))))))) | |
b1d7940f AS |
97 | (message "Generating %s..." generated-custom-dependencies-file) |
98 | (set-buffer (find-file-noselect generated-custom-dependencies-file)) | |
9b3cd5b4 | 99 | (setq buffer-undo-list t) |
860af8ec | 100 | (erase-buffer) |
9b3cd5b4 | 101 | (insert (autoload-rubric generated-custom-dependencies-file |
60878f2d | 102 | "custom dependencies" t)) |
9b3cd5b4 | 103 | (search-backward "\f") |
860af8ec PA |
104 | (mapatoms (lambda (symbol) |
105 | (let ((members (get symbol 'custom-group)) | |
e2dc1f61 | 106 | where found) |
860af8ec | 107 | (when members |
e2dc1f61 SM |
108 | (dolist (member |
109 | ;; So x and no-x builds won't differ. | |
110 | (sort (mapcar 'car members) 'string<)) | |
111 | (setq where (get member 'custom-where)) | |
860af8ec PA |
112 | (unless (or (null where) |
113 | (member where found)) | |
860af8ec | 114 | (push where found))) |
a9d3a78b | 115 | (when found |
e2dc1f61 SM |
116 | (insert "(put '" (symbol-name symbol) |
117 | " 'custom-loads '") | |
882108c7 | 118 | (prin1 (nreverse found) (current-buffer)) |
1c32c9d6 | 119 | (insert ")\n")))))) |
8cd58e14 | 120 | (insert "\ |
e2dc1f61 SM |
121 | ;; These are for handling :version. We need to have a minimum of |
122 | ;; information so `customize-changed-options' could do its job. | |
123 | ||
124 | ;; For groups we set `custom-version', `group-documentation' and | |
125 | ;; `custom-tag' (which are shown in the customize buffer), so we | |
126 | ;; don't have to load the file containing the group. | |
127 | ||
128 | ;; `custom-versions-load-alist' is an alist that has as car a version | |
129 | ;; number and as elts the files that have variables or faces that | |
130 | ;; contain that version. These files should be loaded before showing | |
131 | ;; the customization buffer that `customize-changed-options' | |
132 | ;; generates. | |
133 | ||
134 | ;; This macro is used so we don't modify the information about | |
135 | ;; variables and groups if it's already set. (We don't know when | |
136 | ;; " (file-name-nondirectory generated-custom-dependencies-file) | |
b1d7940f | 137 | " is going to be loaded and at that time some of the |
e2dc1f61 | 138 | ;; files might be loaded and some others might not). |
a313af11 | 139 | \(defmacro custom-put-if-not (symbol propname value) |
1e484d64 DN |
140 | `(unless (get ,symbol ,propname) |
141 | (put ,symbol ,propname ,value))) | |
142 | ||
143 | ") | |
144 | (let ((version-alist nil)) | |
145 | (mapatoms (lambda (symbol) | |
146 | (let ((version (get symbol 'custom-version)) | |
147 | where) | |
71296446 | 148 | (when version |
1e484d64 | 149 | (setq where (get symbol 'custom-where)) |
052b7009 | 150 | (when where |
d5680815 MR |
151 | (if (or (custom-variable-p symbol) |
152 | (custom-facep symbol)) | |
153 | ;; This means it's a variable or a face. | |
1e484d64 | 154 | (progn |
1e484d64 | 155 | (if (assoc version version-alist) |
71296446 JB |
156 | (unless |
157 | (member where | |
1e484d64 DN |
158 | (cdr (assoc version version-alist))) |
159 | (push where (cdr (assoc version version-alist)))) | |
526af3b0 | 160 | (push (list version where) version-alist))) |
1e484d64 | 161 | ;; This is a group |
71296446 | 162 | (insert "(custom-put-if-not '" (symbol-name symbol) |
d5680815 MR |
163 | " 'custom-version ") |
164 | (prin1 version (current-buffer)) | |
165 | (insert ")\n") | |
166 | (insert "(custom-put-if-not '" (symbol-name symbol)) | |
1e484d64 DN |
167 | (insert " 'group-documentation ") |
168 | (prin1 (get symbol 'group-documentation) (current-buffer)) | |
d5680815 MR |
169 | (insert ")\n") |
170 | (when (get symbol 'custom-tag) | |
171 | (insert "(custom-put-if-not '" (symbol-name symbol)) | |
172 | (insert " 'custom-tag ") | |
173 | (prin1 (get symbol 'custom-tag) (current-buffer)) | |
174 | (insert ")\n")) | |
175 | )))))) | |
1e484d64 DN |
176 | |
177 | (insert "\n(defvar custom-versions-load-alist " | |
178 | (if version-alist "'" "")) | |
179 | (prin1 version-alist (current-buffer)) | |
180 | (insert "\n \"For internal use by custom.\")\n")) | |
9b3cd5b4 GM |
181 | (save-buffer) |
182 | (message "Generating %s...done" generated-custom-dependencies-file)) | |
860af8ec | 183 | |
6a7ceddc | 184 | \f |
ab5796a9 | 185 | |
860af8ec | 186 | ;;; cus-dep.el ends here |