v8_heap_tracer.h

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// Copyright 2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef SHAKA_EMBEDDED_MEMORY_V8_HEAP_TRACER_H_
#define SHAKA_EMBEDDED_MEMORY_V8_HEAP_TRACER_H_

#include <unordered_set>
#include <utility>
#include <vector>

#include "src/memory/heap_tracer.h"

namespace shaka {
namespace memory {

class V8HeapTracer : public v8::EmbedderHeapTracer, public HeapTracer {
 public:
  V8HeapTracer();
  ~V8HeapTracer() override;


  bool IsTracingDone() override;

  void TracePrologue(TraceFlags flags) override;

  void TraceEpilogue(TraceSummary* trace_summary) override;

  void EnterFinalPause(EmbedderStackState stack_state) override;

  void RegisterV8References(
      const std::vector<std::pair<void*, void*>>& internal_fields) override;

  bool AdvanceTracing(double deadline_ms) override;

 private:
  std::unordered_set<const Traceable*> fields_;
};

}  // namespace memory
}  // namespace shaka

#endif  // SHAKA_EMBEDDED_MEMORY_V8_HEAP_TRACER_H_