60 lines
2.0 KiB
C++
60 lines
2.0 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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Location(const char* function_name, const char* file_name, int line_number)
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: function_name_(function_name),
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file_name_(file_name),
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line_number_(line_number) {}
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Location() = default;
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const char* function_name() const { return function_name_; }
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const char* file_name() const { return file_name_; }
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int line_number() const { return line_number_; }
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// TODO(steveanton): Remove once all downstream users have been updated to use
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// |file_name()| and/or |line_number()|.
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const char* file_and_line() const { return file_name_; }
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std::string ToString() const;
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private:
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const char* function_name_ = "Unknown";
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const char* file_name_ = "Unknown";
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int line_number_ = -1;
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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__, __LINE__)
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} // namespace rtc
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#endif // RTC_BASE_LOCATION_H_
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