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Side by Side Diff: webrtc/rtc_base/stringize_macros.h

Issue 2877023002: Move webrtc/{base => rtc_base} (Closed)
Patch Set: update presubmit.py and DEPS include rules Created 3 years, 5 months ago
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1 /* 1 /*
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 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 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 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11 // Modified from the Chromium original: 11 // Modified from the Chromium original:
12 // src/base/strings/stringize_macros.h 12 // src/base/strings/stringize_macros.h
13 13
14 // This file defines preprocessor macros for stringizing preprocessor 14 // This file defines preprocessor macros for stringizing preprocessor
15 // symbols (or their output) and manipulating preprocessor symbols 15 // symbols (or their output) and manipulating preprocessor symbols
16 // that define strings. 16 // that define strings.
17 17
18 #ifndef WEBRTC_BASE_STRINGIZE_MACROS_H_ 18 #ifndef WEBRTC_RTC_BASE_STRINGIZE_MACROS_H_
19 #define WEBRTC_BASE_STRINGIZE_MACROS_H_ 19 #define WEBRTC_RTC_BASE_STRINGIZE_MACROS_H_
20 20
21 // This is not very useful as it does not expand defined symbols if 21 // This is not very useful as it does not expand defined symbols if
22 // called directly. Use its counterpart without the _NO_EXPANSION 22 // called directly. Use its counterpart without the _NO_EXPANSION
23 // suffix, below. 23 // suffix, below.
24 #define STRINGIZE_NO_EXPANSION(x) #x 24 #define STRINGIZE_NO_EXPANSION(x) #x
25 25
26 // Use this to quote the provided parameter, first expanding it if it 26 // Use this to quote the provided parameter, first expanding it if it
27 // is a preprocessor symbol. 27 // is a preprocessor symbol.
28 // 28 //
29 // For example, if: 29 // For example, if:
30 // #define A FOO 30 // #define A FOO
31 // #define B(x) myobj->FunctionCall(x) 31 // #define B(x) myobj->FunctionCall(x)
32 // 32 //
33 // Then: 33 // Then:
34 // STRINGIZE(A) produces "FOO" 34 // STRINGIZE(A) produces "FOO"
35 // STRINGIZE(B(y)) produces "myobj->FunctionCall(y)" 35 // STRINGIZE(B(y)) produces "myobj->FunctionCall(y)"
36 #define STRINGIZE(x) STRINGIZE_NO_EXPANSION(x) 36 #define STRINGIZE(x) STRINGIZE_NO_EXPANSION(x)
37 37
38 #endif // WEBRTC_BASE_STRINGIZE_MACROS_H_ 38 #endif // WEBRTC_RTC_BASE_STRINGIZE_MACROS_H_
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