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- ;; Verify that preprocessor symbols are defined in config.in.
- ;; Copyright (C) 2020-2022 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))
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