| ;; Verify that preprocessor symbols are defined in config.in. |
| |
| ;; Copyright (C) 2020-2021 Free Software Foundation, Inc. |
| ;; |
| ;; This file is part of GDB. |
| ;; |
| ;; This program 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 3 of the License, or |
| ;; (at your option) any later version. |
| ;; |
| ;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| ;; To use: |
| ;; cd gdbsupport |
| ;; emacs --script check-defines.el |
| |
| (require 'cl-lib) |
| |
| (setq-default case-fold-search nil) |
| |
| ;; The currently recognized macros. |
| (defconst check-regexp "\\_<\\(\\(HAVE\\|PTRACE_TYPE\\|SIZEOF\\)_[a-zA-Z0-9_]+\\)\\_>") |
| |
| (defvar check-seen 0) |
| |
| ;; Whitelist. These are things that have names like autoconf-created |
| ;; macros, but that are managed directly in the code. |
| (put (intern "HAVE_USEFUL_SBRK") :check-ok t) |
| (put (intern "HAVE_SOCKETS") :check-ok t) |
| (put (intern "HAVE_F_GETFD") :check-ok t) |
| (put (intern "HAVE_IS_TRIVIALLY_COPYABLE") :check-ok t) |
| (put (intern "HAVE_IS_TRIVIALLY_CONSTRUCTIBLE") :check-ok t) |
| (put (intern "HAVE_DOS_BASED_FILE_SYSTEM") :check-ok t) |
| |
| (defun check-read-config.in (file) |
| (save-excursion |
| (find-file-read-only file) |
| (goto-char (point-min)) |
| (while (re-search-forward "^#undef \\(.+\\)$" nil t) |
| (let ((name (match-string 1))) |
| (put (intern name) :check-ok t))))) |
| |
| (defun check-one-file (file) |
| (save-excursion |
| (find-file-read-only file) |
| (goto-char (point-min)) |
| (while (re-search-forward check-regexp nil t) |
| (let ((name (match-string 1))) |
| (unless (get (intern name) :check-ok) |
| (save-excursion |
| (goto-char (match-beginning 0)) |
| (cl-incf check-seen) |
| (message "%s:%d:%d: error: name %s not defined" |
| file |
| (line-number-at-pos) |
| (current-column) |
| name))))))) |
| |
| (defun check-directory (dir) |
| (dolist (file (directory-files dir t "\\.[ch]$")) |
| (check-one-file file))) |
| |
| (check-read-config.in "config.in") |
| (check-read-config.in "../gnulib/config.in") |
| (check-directory ".") |
| (check-directory "../gdb/nat") |
| (check-directory "../gdb/target") |
| |
| (when (> check-seen 0) |
| (message "%d errors seen" check-seen)) |