1 /* Copyright (C) 2017-2021 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_PREPROCESSOR_H 19 #define COMMON_PREPROCESSOR_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 /* Stringification. */ 28 #define STRINGIFY_1(x) #x 29 #define STRINGIFY(x) STRINGIFY_1 (x) 30 31 /* Escape parens out. Useful if you need to pass an argument that 32 includes commas to another macro. */ 33 #define ESC_PARENS(...) __VA_ARGS__ 34 35 #endif /* COMMON_PREPROCESSOR_H */ 36