1/* 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11// Modified from the Chromium original: 12// src/base/strings/stringize_macros.h 13 14// This file defines preprocessor macros for stringizing preprocessor 15// symbols (or their output) and manipulating preprocessor symbols 16// that define strings. 17 18#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_STRINGIZE_MACROS_H_ 19#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_STRINGIZE_MACROS_H_ 20 21// This is not very useful as it does not expand defined symbols if 22// called directly. Use its counterpart without the _NO_EXPANSION 23// suffix, below. 24#define STRINGIZE_NO_EXPANSION(x) #x 25 26// Use this to quote the provided parameter, first expanding it if it 27// is a preprocessor symbol. 28// 29// For example, if: 30// #define A FOO 31// #define B(x) myobj->FunctionCall(x) 32// 33// Then: 34// STRINGIZE(A) produces "FOO" 35// STRINGIZE(B(y)) produces "myobj->FunctionCall(y)" 36#define STRINGIZE(x) STRINGIZE_NO_EXPANSION(x) 37 38#endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_STRINGIZE_MACROS_H_ 39