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