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:
19   explicit TimedScope(double* result)
20       : start_(TimestampMs()), result_(result) {}
21 
22   ~TimedScope() { *result_ = TimestampMs() - start_; }
23 
24  private:
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