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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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_CHA_H_ | 5 #ifndef VM_CHA_H_ |
6 #define VM_CHA_H_ | 6 #define VM_CHA_H_ |
7 | 7 |
8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
9 | 9 |
10 namespace dart { | 10 namespace dart { |
11 | 11 |
12 class Function; | 12 class Function; |
13 template <typename T> class ZoneGrowableArray; | 13 template <typename T> class ZoneGrowableArray; |
14 class String; | 14 class String; |
15 | 15 |
16 class CHA : public AllStatic { | 16 class CHA : public AllStatic { |
17 public: | 17 public: |
18 // Returns true if the class given by its cid has subclasses. | 18 // Returns true if the class given by its cid has subclasses. |
19 static bool HasSubclasses(intptr_t cid); | 19 static bool HasSubclasses(intptr_t cid); |
20 | 20 |
21 // Returns an array containing the cids of the direct and indirect subclasses | 21 // Returns an array containing the cids of the direct and indirect subclasses |
22 // of the class given by its cid. | 22 // of the class given by its cid. |
23 // Must not be called for kDartObjectCid. | 23 // Must not be called for kInstanceCid. |
24 static ZoneGrowableArray<intptr_t>* GetSubclassIdsOf(intptr_t cid); | 24 static ZoneGrowableArray<intptr_t>* GetSubclassIdsOf(intptr_t cid); |
25 | 25 |
26 // Returns an array containing instance functions of the given name and | 26 // Returns an array containing instance functions of the given name and |
27 // belonging to the classes given by their cids. | 27 // belonging to the classes given by their cids. |
28 // Cids must not contain kDartObjectCid. | 28 // Cids must not contain kInstanceCid. |
29 static ZoneGrowableArray<Function*>* GetNamedInstanceFunctionsOf( | 29 static ZoneGrowableArray<Function*>* GetNamedInstanceFunctionsOf( |
30 const ZoneGrowableArray<intptr_t>& cids, | 30 const ZoneGrowableArray<intptr_t>& cids, |
31 const String& function_name); | 31 const String& function_name); |
32 | 32 |
33 // Returns an array of functions overriding the given function. | 33 // Returns an array of functions overriding the given function. |
34 // Must not be called for a function of class Object. | 34 // Must not be called for a function of class Object. |
35 static ZoneGrowableArray<Function*>* GetOverridesOf(const Function& function); | 35 static ZoneGrowableArray<Function*>* GetOverridesOf(const Function& function); |
36 }; | 36 }; |
37 | 37 |
38 } // namespace dart | 38 } // namespace dart |
39 | 39 |
40 #endif // VM_CHA_H_ | 40 #endif // VM_CHA_H_ |
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