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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_VISITOR_H_ | 5 #ifndef VM_VISITOR_H_ |
6 #define VM_VISITOR_H_ | 6 #define VM_VISITOR_H_ |
7 | 7 |
8 #include "vm/globals.h" | 8 #include "vm/globals.h" |
9 | 9 |
10 namespace dart { | 10 namespace dart { |
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21 virtual void VisitPointers(RawObject** first, RawObject** last) = 0; | 21 virtual void VisitPointers(RawObject** first, RawObject** last) = 0; |
22 | 22 |
23 // len argument is the number of pointers to visit starting from 'p'. | 23 // len argument is the number of pointers to visit starting from 'p'. |
24 void VisitPointers(RawObject** p, intptr_t len) { | 24 void VisitPointers(RawObject** p, intptr_t len) { |
25 VisitPointers(p, (p + len - 1)); | 25 VisitPointers(p, (p + len - 1)); |
26 } | 26 } |
27 | 27 |
28 void VisitPointer(RawObject** p) { VisitPointers(p , p); } | 28 void VisitPointer(RawObject** p) { VisitPointers(p , p); } |
29 }; | 29 }; |
30 | 30 |
| 31 |
| 32 // An object finder visitor interface. |
| 33 class FindObjectVisitor { |
| 34 public: |
| 35 virtual ~FindObjectVisitor() {} |
| 36 |
| 37 // Check if object matches find condition. |
| 38 virtual bool FindObject(RawObject* obj) = 0; |
| 39 }; |
| 40 |
31 } // namespace dart | 41 } // namespace dart |
32 | 42 |
33 #endif // VM_VISITOR_H_ | 43 #endif // VM_VISITOR_H_ |
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