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35214fcfe2
Bug: webrtc:9419 Change-Id: I3225259fb4cc55e9820f590928795f4587f1e3cb Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/153884 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29479}
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
/*
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* Copyright 2016 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_LOCATION_H_
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#define RTC_BASE_LOCATION_H_
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#include <string>
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#include "rtc_base/stringize_macros.h"
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#include "rtc_base/system/rtc_export.h"
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namespace rtc {
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// Location provides basic info where of an object was constructed, or was
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// significantly brought to life.
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// This is a stripped down version of:
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// https://code.google.com/p/chromium/codesearch#chromium/src/base/location.h
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class RTC_EXPORT Location {
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public:
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// Constructor should be called with a long-lived char*, such as __FILE__.
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// It assumes the provided value will persist as a global constant, and it
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// will not make a copy of it.
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//
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// TODO(deadbeef): Tracing is currently limited to 2 arguments, which is
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// why the file name and line number are combined into one argument.
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//
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// Once TracingV2 is available, separate the file name and line number.
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Location(const char* function_name, const char* file_and_line);
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Location();
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Location(const Location& other);
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Location& operator=(const Location& other);
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const char* function_name() const { return function_name_; }
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const char* file_and_line() const { return file_and_line_; }
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std::string ToString() const;
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private:
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const char* function_name_;
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const char* file_and_line_;
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};
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// Define a macro to record the current source location.
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#define RTC_FROM_HERE RTC_FROM_HERE_WITH_FUNCTION(__FUNCTION__)
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#define RTC_FROM_HERE_WITH_FUNCTION(function_name) \
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::rtc::Location(function_name, __FILE__ ":" STRINGIZE(__LINE__))
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} // namespace rtc
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#endif // RTC_BASE_LOCATION_H_
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