OLD | NEW |
1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_GC_MARKER_H_ | 5 #ifndef VM_GC_MARKER_H_ |
6 #define VM_GC_MARKER_H_ | 6 #define VM_GC_MARKER_H_ |
7 | 7 |
8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
9 | 9 |
10 namespace dart { | 10 namespace dart { |
11 | 11 |
12 // Forward declarations. | 12 // Forward declarations. |
13 class HandleVisitor; | 13 class HandleVisitor; |
14 class Heap; | 14 class Heap; |
15 class Isolate; | 15 class Isolate; |
16 class MarkingVisitor; | 16 class MarkingVisitor; |
17 class ObjectPointerVisitor; | 17 class ObjectPointerVisitor; |
18 class PageSpace; | 18 class PageSpace; |
| 19 class RawWeakProperty; |
19 | 20 |
20 // The class GCMarker is used to mark reachable old generation objects as part | 21 // The class GCMarker is used to mark reachable old generation objects as part |
21 // of the mark-sweep collection. The marking bit used is defined in RawObject. | 22 // of the mark-sweep collection. The marking bit used is defined in RawObject. |
22 class GCMarker : public ValueObject { | 23 class GCMarker : public ValueObject { |
23 public: | 24 public: |
24 explicit GCMarker(Heap* heap) : heap_(heap) { } | 25 explicit GCMarker(Heap* heap) : heap_(heap) { } |
25 ~GCMarker() { } | 26 ~GCMarker() { } |
26 | 27 |
27 void MarkObjects(Isolate* isolate, | 28 void MarkObjects(Isolate* isolate, |
28 PageSpace* page_space, | 29 PageSpace* page_space, |
29 bool invoke_api_callbacks); | 30 bool invoke_api_callbacks); |
30 | 31 |
31 private: | 32 private: |
32 void Prologue(Isolate* isolate, bool invoke_api_callbacks); | 33 void Prologue(Isolate* isolate, bool invoke_api_callbacks); |
33 void Epilogue(Isolate* isolate, bool invoke_api_callbacks); | 34 void Epilogue(Isolate* isolate, bool invoke_api_callbacks); |
34 void IterateRoots(Isolate* isolate, | 35 void IterateRoots(Isolate* isolate, |
35 ObjectPointerVisitor* visitor, | 36 ObjectPointerVisitor* visitor, |
36 bool visit_prologue_weak_persistent_handles); | 37 bool visit_prologue_weak_persistent_handles); |
37 void IterateWeakRoots(Isolate* isolate, | 38 void IterateWeakRoots(Isolate* isolate, |
38 HandleVisitor* visitor, | 39 HandleVisitor* visitor, |
39 bool visit_prologue_weak_persistent_handles); | 40 bool visit_prologue_weak_persistent_handles); |
40 void IterateWeakReferences(Isolate* isolate, MarkingVisitor* visitor); | 41 void IterateWeakReferences(Isolate* isolate, MarkingVisitor* visitor); |
41 void DrainMarkingStack(Isolate* isolate, MarkingVisitor* visitor); | 42 void DrainMarkingStack(Isolate* isolate, MarkingVisitor* visitor); |
| 43 void ProcessWeakProperty(RawWeakProperty* raw_weak, MarkingVisitor* visitor); |
42 | 44 |
43 Heap* heap_; | 45 Heap* heap_; |
44 | 46 |
45 DISALLOW_IMPLICIT_CONSTRUCTORS(GCMarker); | 47 DISALLOW_IMPLICIT_CONSTRUCTORS(GCMarker); |
46 }; | 48 }; |
47 | 49 |
48 } // namespace dart | 50 } // namespace dart |
49 | 51 |
50 #endif // VM_GC_MARKER_H_ | 52 #endif // VM_GC_MARKER_H_ |
OLD | NEW |