gdb/common/preprocessor.h

   1 /* Copyright (C) 2017 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef COMMON_PREPROC_H
  19 #define COMMON_PREPROC_H
  20
  21 /* Generally useful preprocessor bits.  */
  22
  23 /* Concatenate two tokens.  */
  24 #define CONCAT_1(a, b) a ## b
  25 #define CONCAT(a, b) CONCAT_1 (a, b)
  26
  27 /* Escape parens out.  Useful if you need to pass an argument that
  28    includes commas to another macro.  */
  29 #define ESC(...) __VA_ARGS__
  30
  31 #endif /* COMMON_PREPROC */