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      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 #include "src/extensions/ignition-statistics-extension.h"
      6 
      7 #include "src/base/logging.h"
      8 #include "src/interpreter/bytecodes.h"
      9 #include "src/interpreter/interpreter.h"
     10 #include "src/isolate.h"
     11 
     12 namespace v8 {
     13 namespace internal {
     14 
     15 v8::Local<v8::FunctionTemplate>
     16 IgnitionStatisticsExtension::GetNativeFunctionTemplate(
     17     v8::Isolate* isolate, v8::Local<v8::String> name) {
     18   DCHECK_EQ(strcmp(*v8::String::Utf8Value(name), "getIgnitionDispatchCounters"),
     19             0);
     20   return v8::FunctionTemplate::New(
     21       isolate, IgnitionStatisticsExtension::GetIgnitionDispatchCounters);
     22 }
     23 
     24 const char* const IgnitionStatisticsExtension::kSource =
     25     "native function getIgnitionDispatchCounters();";
     26 
     27 void IgnitionStatisticsExtension::GetIgnitionDispatchCounters(
     28     const v8::FunctionCallbackInfo<v8::Value>& args) {
     29   DCHECK_EQ(args.Length(), 0);
     30   DCHECK(FLAG_trace_ignition_dispatches);
     31   args.GetReturnValue().Set(reinterpret_cast<Isolate*>(args.GetIsolate())
     32                                 ->interpreter()
     33                                 ->GetDispatchCountersObject());
     34 }
     35 
     36 }  // namespace internal
     37 }  // namespace v8
     38