| /* |
| * 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 WEBRTC_SYSTEM_WRAPPERS_INCLUDE_STRINGIZE_MACROS_H_ |
| #define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_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 // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_STRINGIZE_MACROS_H_ |
