|  | /* Copyright (C) 2017-2023 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/>.  */ | 
|  |  | 
|  | #ifndef COMMON_PREPROCESSOR_H | 
|  | #define COMMON_PREPROCESSOR_H | 
|  |  | 
|  | /* Generally useful preprocessor bits.  */ | 
|  |  | 
|  | /* Concatenate two tokens.  */ | 
|  | #define CONCAT_1(a, b) a ## b | 
|  | #define CONCAT(a, b) CONCAT_1 (a, b) | 
|  |  | 
|  | /* Stringification.  */ | 
|  | #define STRINGIFY_1(x) #x | 
|  | #define STRINGIFY(x) STRINGIFY_1 (x) | 
|  |  | 
|  | /* Escape parens out.  Useful if you need to pass an argument that | 
|  | includes commas to another macro.  */ | 
|  | #define ESC_PARENS(...) __VA_ARGS__ | 
|  |  | 
|  | #endif /* COMMON_PREPROCESSOR_H */ |