dom/quota/RemoveParen.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef DOM_QUOTA_REMOVEPAREN_H_
   8 #define DOM_QUOTA_REMOVEPAREN_H_
   9
  10 // See
  11 // https://stackoverflow.com/questions/24481810/how-to-remove-the-enclosing-parentheses-with-macro
  12 #define MOZ_REMOVE_PAREN(X) MOZ_REMOVE_PAREN_HELPER2(MOZ_REMOVE_PAREN_HELPER X)
  13 #define MOZ_REMOVE_PAREN_HELPER(...) MOZ_REMOVE_PAREN_HELPER __VA_ARGS__
  14 #define MOZ_REMOVE_PAREN_HELPER2(...) MOZ_REMOVE_PAREN_HELPER3(__VA_ARGS__)
  15 #define MOZ_REMOVE_PAREN_HELPER3(...) MOZ_REMOVE_PAREN_HELPER4_##__VA_ARGS__
  16 #define MOZ_REMOVE_PAREN_HELPER4_MOZ_REMOVE_PAREN_HELPER
  17
  18 #endif  // DOM_QUOTA_REMOVEPAREN_H_