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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef TRACEIMPL_H_ | 5 #ifndef TRACEIMPL_H_ |
6 #define TRACEIMPL_H_ | 6 #define TRACEIMPL_H_ |
7 | 7 |
8 #include "heap/stubs.h" | 8 #include "heap/stubs.h" |
9 | 9 |
10 namespace blink { | 10 namespace blink { |
11 | 11 |
12 class X : public GarbageCollected<X> { | 12 class X : public GarbageCollected<X> { |
13 public: | 13 public: |
14 virtual void Trace(Visitor*) {} | 14 virtual void Trace(Visitor*) {} |
15 }; | 15 }; |
16 | 16 |
17 class TraceImplInlined : public GarbageCollected<TraceImplInlined> { | 17 class TraceImplInlined : public GarbageCollected<TraceImplInlined> { |
18 public: | 18 public: |
19 void Trace(Visitor* visitor) { TraceImpl(visitor); } | 19 void Trace(Visitor* visitor) { visitor->Trace(x_); } |
20 | |
21 template <typename VisitorDispatcher> | |
22 void TraceImpl(VisitorDispatcher visitor) { | |
23 visitor->Trace(x_); | |
24 } | |
25 | 20 |
26 private: | 21 private: |
27 Member<X> x_; | 22 Member<X> x_; |
28 }; | 23 }; |
29 | 24 |
30 class TraceImplExtern : public GarbageCollected<TraceImplExtern> { | 25 class TraceImplExtern : public GarbageCollected<TraceImplExtern> { |
31 public: | 26 public: |
32 void Trace(Visitor* visitor); | 27 void Trace(Visitor* visitor); |
33 template <typename VisitorDispatcher> | |
34 inline void TraceImpl(VisitorDispatcher); | |
35 | 28 |
36 private: | 29 private: |
37 Member<X> x_; | 30 Member<X> x_; |
38 }; | 31 }; |
39 | 32 |
40 class Base : public GarbageCollected<Base> { | 33 class Base : public GarbageCollected<Base> { |
41 public: | 34 public: |
42 virtual void Trace(Visitor* visitor) {} | 35 virtual void Trace(Visitor* visitor) {} |
43 }; | 36 }; |
44 | 37 |
45 class TraceImplBaseInlined : public Base { | 38 class TraceImplBaseInlined : public Base { |
46 public: | 39 public: |
47 void Trace(Visitor* visitor) override { TraceImpl(visitor); } | 40 void Trace(Visitor* visitor) override { Base::Trace(visitor); } |
48 | |
49 template <typename VisitorDispatcher> | |
50 void TraceImpl(VisitorDispatcher visitor) { | |
51 Base::Trace(visitor); | |
52 } | |
53 }; | 41 }; |
54 | 42 |
55 class TraceImplBaseExtern : public Base { | 43 class TraceImplBaseExtern : public Base { |
56 public: | 44 public: |
57 void Trace(Visitor* visitor) override; | 45 void Trace(Visitor* visitor) override; |
58 | 46 |
59 template <typename VisitorDispatcher> | |
60 void TraceImpl(VisitorDispatcher); | |
61 | |
62 private: | 47 private: |
63 Member<X> x_; | 48 Member<X> x_; |
64 }; | 49 }; |
65 | 50 |
66 } | 51 } |
67 | 52 |
68 #endif | 53 #endif |
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