Commit | Line | Data |
---|---|---|
0454ef42 TT |
1 | ;; Verify that preprocessor symbols are defined in config.in. |
2 | ||
3 | ;; Copyright (C) 2020 Free Software Foundation, Inc. | |
4 | ;; | |
5 | ;; This file is part of GDB. | |
6 | ;; | |
7 | ;; This program is free software; you can redistribute it and/or modify | |
8 | ;; it under the terms of the GNU General Public License as published by | |
9 | ;; the Free Software Foundation; either version 3 of the License, or | |
10 | ;; (at your option) any later version. | |
11 | ;; | |
12 | ;; This program is distributed in the hope that it will be useful, | |
13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;; GNU General Public License for more details. | |
16 | ;; | |
17 | ;; You should have received a copy of the GNU General Public License | |
18 | ;; along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | ||
20 | ;; To use: | |
21 | ;; cd gdbsupport | |
22 | ;; emacs --script check-defines.el | |
23 | ||
24 | (require 'cl-lib) | |
25 | ||
26 | (setq-default case-fold-search nil) | |
27 | ||
28 | ;; The currently recognized macros. | |
29 | (defconst check-regexp "\\_<\\(\\(HAVE\\|PTRACE_TYPE\\|SIZEOF\\)_[a-zA-Z0-9_]+\\)\\_>") | |
30 | ||
31 | (defvar check-seen 0) | |
32 | ||
33 | ;; Whitelist. These are things that have names like autoconf-created | |
34 | ;; macros, but that are managed directly in the code. | |
35 | (put (intern "HAVE_USEFUL_SBRK") :check-ok t) | |
36 | (put (intern "HAVE_SOCKETS") :check-ok t) | |
37 | (put (intern "HAVE_F_GETFD") :check-ok t) | |
38 | (put (intern "HAVE_IS_TRIVIALLY_COPYABLE") :check-ok t) | |
39 | (put (intern "HAVE_IS_TRIVIALLY_CONSTRUCTIBLE") :check-ok t) | |
40 | (put (intern "HAVE_DOS_BASED_FILE_SYSTEM") :check-ok t) | |
41 | ||
42 | (defun check-read-config.in (file) | |
43 | (save-excursion | |
44 | (find-file-read-only file) | |
45 | (goto-char (point-min)) | |
46 | (while (re-search-forward "^#undef \\(.+\\)$" nil t) | |
47 | (let ((name (match-string 1))) | |
48 | (put (intern name) :check-ok t))))) | |
49 | ||
50 | (defun check-one-file (file) | |
51 | (save-excursion | |
52 | (find-file-read-only file) | |
53 | (goto-char (point-min)) | |
54 | (while (re-search-forward check-regexp nil t) | |
55 | (let ((name (match-string 1))) | |
56 | (unless (get (intern name) :check-ok) | |
57 | (save-excursion | |
58 | (goto-char (match-beginning 0)) | |
59 | (cl-incf check-seen) | |
60 | (message "%s:%d:%d: error: name %s not defined" | |
61 | file | |
62 | (line-number-at-pos) | |
63 | (current-column) | |
64 | name))))))) | |
65 | ||
66 | (defun check-directory (dir) | |
67 | (dolist (file (directory-files dir t "\\.[ch]$")) | |
68 | (check-one-file file))) | |
69 | ||
70 | (check-read-config.in "config.in") | |
71 | (check-read-config.in "../gnulib/config.in") | |
72 | (check-directory ".") | |
73 | (check-directory "../gdb/nat") | |
74 | (check-directory "../gdb/target") | |
75 | ||
76 | (when (> check-seen 0) | |
77 | (message "%d errors seen" check-seen)) |