| /* | |
| * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | |
| * | |
| * Use of this source code is governed by a BSD-style license | |
| * that can be found in the LICENSE file in the root of the source | |
| * tree. An additional intellectual property rights grant can be found | |
| * in the file PATENTS. All contributing project authors may | |
| * be found in the AUTHORS file in the root of the source tree. | |
| */ | |
| // Modified from the Chromium original: | |
| // src/base/strings/stringize_macros.h | |
| // This file defines preprocessor macros for stringizing preprocessor | |
| // symbols (or their output) and manipulating preprocessor symbols | |
| // that define strings. | |
| #ifndef RTC_BASE_STRINGIZE_MACROS_H_ | |
| #define RTC_BASE_STRINGIZE_MACROS_H_ | |
| // This is not very useful as it does not expand defined symbols if | |
| // called directly. Use its counterpart without the _NO_EXPANSION | |
| // suffix, below. | |
| #define STRINGIZE_NO_EXPANSION(x) #x | |
| // Use this to quote the provided parameter, first expanding it if it | |
| // is a preprocessor symbol. | |
| // | |
| // For example, if: | |
| // #define A FOO | |
| // #define B(x) myobj->FunctionCall(x) | |
| // | |
| // Then: | |
| // STRINGIZE(A) produces "FOO" | |
| // STRINGIZE(B(y)) produces "myobj->FunctionCall(y)" | |
| #define STRINGIZE(x) STRINGIZE_NO_EXPANSION(x) | |
| #endif // RTC_BASE_STRINGIZE_MACROS_H_ |