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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_CONTEXT_MEASURE_H_
#define V8_CONTEXT_MEASURE_H_
#include "src/snapshot/serialize.h"
namespace v8 {
namespace internal {
class ContextMeasure : public ObjectVisitor {
public:
explicit ContextMeasure(Context* context);
int Size() { return size_; }
int Count() { return count_; }
void VisitPointers(Object** start, Object** end);
private:
void MeasureObject(HeapObject* object);
void MeasureDeferredObjects();
void MeasureAndRecurse(HeapObject* object);
bool IsShared(HeapObject* object);
Context* context_;
BackReferenceMap back_reference_map_;
RootIndexMap root_index_map_;
static const int kMaxRecursion = 16;
int recursion_depth_;
List<HeapObject*> deferred_objects_;
int count_;
int size_;
DisallowHeapAllocation no_gc_;
DISALLOW_COPY_AND_ASSIGN(ContextMeasure);
};
}
} // namespace v8::internal
#endif // V8_CONTEXT_MEASURE_H_
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