| Eric Fiselier | b08d8b1 | 2016-07-19 23:07:03 +0000 | [diff] [blame^] | 1 | #ifndef BENCHMARK_LOG_H_ |
| 2 | #define BENCHMARK_LOG_H_ |
| 3 | |
| 4 | #include <ostream> |
| 5 | |
| 6 | namespace benchmark { |
| 7 | namespace internal { |
| 8 | |
| 9 | int GetLogLevel(); |
| 10 | void SetLogLevel(int level); |
| 11 | |
| 12 | std::ostream& GetNullLogInstance(); |
| 13 | std::ostream& GetErrorLogInstance(); |
| 14 | |
| 15 | inline std::ostream& GetLogInstanceForLevel(int level) { |
| 16 | if (level <= GetLogLevel()) { |
| 17 | return GetErrorLogInstance(); |
| 18 | } |
| 19 | return GetNullLogInstance(); |
| 20 | } |
| 21 | |
| 22 | } // end namespace internal |
| 23 | } // end namespace benchmark |
| 24 | |
| 25 | #define VLOG(x) (::benchmark::internal::GetLogInstanceForLevel(x) \ |
| 26 | << "-- LOG(" << x << "): ") |
| 27 | |
| 28 | #endif |