blob: c331d95c3d454b3986d923e9d44d085126b507ff (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// Copyright 2019 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_HEAP_COMBINED_HEAP_H_
#define V8_HEAP_COMBINED_HEAP_H_
#include "src/heap/heap.h"
#include "src/heap/read-only-heap.h"
#include "src/objects/objects.h"
namespace v8 {
namespace internal {
// This class allows iteration over the entire heap (Heap and ReadOnlyHeap). It
// uses the HeapIterator to iterate over non-read-only objects and accepts the
// same filtering option. (Interrupting iteration while filtering unreachable
// objects is still forbidden)
class V8_EXPORT_PRIVATE CombinedHeapIterator final {
public:
CombinedHeapIterator(Heap* heap,
HeapIterator::HeapObjectsFiltering filtering =
HeapIterator::HeapObjectsFiltering::kNoFiltering)
: heap_iterator_(heap, filtering),
ro_heap_iterator_(heap->read_only_heap()) {}
HeapObject Next();
private:
HeapIterator heap_iterator_;
ReadOnlyHeapIterator ro_heap_iterator_;
};
V8_WARN_UNUSED_RESULT inline bool IsValidHeapObject(Heap* heap,
HeapObject object) {
return ReadOnlyHeap::Contains(object) || heap->Contains(object);
}
} // namespace internal
} // namespace v8
#endif // V8_HEAP_COMBINED_HEAP_H_
|
