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/*
* Copyright 2016 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.
*/
#ifndef RTC_BASE_LOCATION_H_
#define RTC_BASE_LOCATION_H_
#include <string>
#include "rtc_base/system/rtc_export.h"
namespace rtc {
// Location provides basic info where of an object was constructed, or was
// significantly brought to life.
// This is a stripped down version of:
// https://code.google.com/p/chromium/codesearch#chromium/src/base/location.h
class RTC_EXPORT Location {
public:
// Constructor should be called with a long-lived char*, such as __FILE__.
// It assumes the provided value will persist as a global constant, and it
// will not make a copy of it.
Location(const char* function_name, const char* file_name, int line_number)
: function_name_(function_name),
file_name_(file_name),
line_number_(line_number) {}
Location() = default;
const char* function_name() const { return function_name_; }
const char* file_name() const { return file_name_; }
int line_number() const { return line_number_; }
// TODO(steveanton): Remove once all downstream users have been updated to use
// `file_name()` and/or `line_number()`.
const char* file_and_line() const { return file_name_; }
std::string ToString() const;
private:
const char* function_name_ = "Unknown";
const char* file_name_ = "Unknown";
int line_number_ = -1;
};
// Define a macro to record the current source location.
#define RTC_FROM_HERE RTC_FROM_HERE_WITH_FUNCTION(__FUNCTION__)
#define RTC_FROM_HERE_WITH_FUNCTION(function_name) \
::rtc::Location(function_name, __FILE__, __LINE__)
} // namespace rtc
#endif // RTC_BASE_LOCATION_H_
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