зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
2.4 KiB
C++
81 строка
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_logging_h
|
|
#define mozilla_logging_h
|
|
|
|
#include "prlog.h"
|
|
|
|
#include "mozilla/Assertions.h"
|
|
|
|
// This file is a placeholder for a replacement to the NSPR logging framework
|
|
// that is defined in prlog.h. Currently it is just a pass through, but as
|
|
// work progresses more functionality will be swapped out in favor of
|
|
// mozilla logging implementations.
|
|
|
|
namespace mozilla {
|
|
|
|
// While not a 100% mapping to PR_LOG's numeric values, mozilla::LogLevel does
|
|
// maintain a direct mapping for the Disabled, Debug and Verbose levels.
|
|
//
|
|
// Mappings of LogLevel to PR_LOG's numeric values:
|
|
//
|
|
// +---------+------------------+-----------------+
|
|
// | Numeric | NSPR Logging | Mozilla Logging |
|
|
// +---------+------------------+-----------------+
|
|
// | 0 | PR_LOG_NONE | Disabled |
|
|
// | 1 | PR_LOG_ALWAYS | Error |
|
|
// | 2 | PR_LOG_ERROR | Warning |
|
|
// | 3 | PR_LOG_WARNING | Info |
|
|
// | 4 | PR_LOG_DEBUG | Debug |
|
|
// | 5 | PR_LOG_DEBUG + 1 | Verbose |
|
|
// +---------+------------------+-----------------+
|
|
//
|
|
enum class LogLevel {
|
|
Disabled = 0,
|
|
Error,
|
|
Warning,
|
|
Info,
|
|
Debug,
|
|
Verbose,
|
|
};
|
|
|
|
namespace detail {
|
|
|
|
inline bool log_test(const PRLogModuleInfo* module, LogLevel level) {
|
|
MOZ_ASSERT(level != LogLevel::Disabled);
|
|
return module && module->level >= static_cast<int>(level);
|
|
}
|
|
|
|
} // namespace detail
|
|
|
|
} // namespace mozilla
|
|
|
|
#define MOZ_LOG_TEST(_module,_level) mozilla::detail::log_test(_module, _level)
|
|
|
|
#define MOZ_LOG(_module,_level,_args) \
|
|
PR_BEGIN_MACRO \
|
|
if (MOZ_LOG_TEST(_module,_level)) { \
|
|
PR_LogPrint _args; \
|
|
} \
|
|
PR_END_MACRO
|
|
|
|
#undef PR_LOG
|
|
#undef PR_LOG_TEST
|
|
|
|
/*
|
|
* __func__ was standardized in C++11 and is supported by clang, gcc, and MSVC
|
|
* 2015. Here we polyfill __func__ for earlier versions of MSVC.
|
|
* http://blogs.msdn.com/b/vcblog/archive/2015/06/19/c-11-14-17-features-in-vs-2015-rtm.aspx
|
|
*/
|
|
#ifdef _MSC_VER
|
|
# if _MSC_VER < 1900
|
|
# define __func__ __FUNCTION__
|
|
# endif
|
|
#endif
|
|
|
|
#endif // mozilla_logging_h
|