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| 1 // Copyright 2016 The Chromium 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 #ifndef FIELDS_ILLEGAL_TRACING_H_ |
| 6 #define FIELDS_ILLEGAL_TRACING_H_ |
| 7 |
| 8 #include "heap/stubs.h" |
| 9 |
| 10 namespace blink { |
| 11 |
| 12 namespace bar { |
| 13 |
| 14 // check that (only) std::unique_ptr<> is reported |
| 15 // as an illegal smart pointer type. |
| 16 template<typename T> class unique_ptr { |
| 17 public: |
| 18 ~unique_ptr() { } |
| 19 operator T*() const { return 0; } |
| 20 T* operator->() { return 0; } |
| 21 |
| 22 void trace(Visitor* visitor) |
| 23 { |
| 24 } |
| 25 }; |
| 26 |
| 27 } |
| 28 |
| 29 class HeapObject; |
| 30 class PartObject; |
| 31 |
| 32 class PartObject { |
| 33 DISALLOW_ALLOCATION(); |
| 34 public: |
| 35 void trace(Visitor*); |
| 36 private: |
| 37 OwnPtr<HeapObject> m_obj1; |
| 38 RefPtr<HeapObject> m_obj2; |
| 39 bar::unique_ptr<HeapObject> m_obj3; |
| 40 std::unique_ptr<HeapObject> m_obj4; |
| 41 }; |
| 42 |
| 43 class HeapObject : public GarbageCollectedFinalized<HeapObject> { |
| 44 public: |
| 45 void trace(Visitor*); |
| 46 private: |
| 47 PartObject m_part; |
| 48 OwnPtr<HeapObject> m_obj1; |
| 49 RefPtr<HeapObject> m_obj2; |
| 50 bar::unique_ptr<HeapObject> m_obj3; |
| 51 std::unique_ptr<HeapObject> m_obj4; |
| 52 }; |
| 53 |
| 54 } |
| 55 |
| 56 #endif |
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