1 // Copyright 2016 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_UTILS_INL_H_ 6 #define V8_UTILS_INL_H_ 7 8 #include "src/utils.h" 9 10 #include "include/v8-platform.h" 11 #include "src/base/platform/time.h" 12 #include "src/v8.h" 13 14 namespace v8 { 15 namespace internal { 16 17 class TimedScope { 18 public: TimedScope(double * result)19 explicit TimedScope(double* result) 20 : start_(TimestampMs()), result_(result) {} 21 ~TimedScope()22 ~TimedScope() { *result_ = TimestampMs() - start_; } 23 24 private: TimestampMs()25 static inline double TimestampMs() { 26 return V8::GetCurrentPlatform()->MonotonicallyIncreasingTime() * 27 static_cast<double>(base::Time::kMillisecondsPerSecond); 28 } 29 30 double start_; 31 double* result_; 32 }; 33 34 } // namespace internal 35 } // namespace v8 36 37 #endif // V8_UTILS_INL_H_ 38