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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project 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 V8_STUB_CACHE_H_ | 5 #ifndef V8_STUB_CACHE_H_ |
| 6 #define V8_STUB_CACHE_H_ | 6 #define V8_STUB_CACHE_H_ |
| 7 | 7 |
| 8 #include "src/macro-assembler.h" | 8 #include "src/macro-assembler.h" |
| 9 | 9 |
| 10 namespace v8 { | 10 namespace v8 { |
| 11 namespace internal { | 11 namespace internal { |
| 12 | 12 |
| 13 class SmallMapList; |
| 13 | 14 |
| 14 // The stub cache is used for megamorphic property accesses. | 15 // The stub cache is used for megamorphic property accesses. |
| 15 // It maps (map, name, type) to property access handlers. The cache does not | 16 // It maps (map, name, type) to property access handlers. The cache does not |
| 16 // need explicit invalidation when a prototype chain is modified, since the | 17 // need explicit invalidation when a prototype chain is modified, since the |
| 17 // handlers verify the chain. | 18 // handlers verify the chain. |
| 18 | 19 |
| 19 | 20 |
| 20 class SCTableReference { | 21 class SCTableReference { |
| 21 public: | 22 public: |
| 22 Address address() const { return address_; } | 23 Address address() const { return address_; } |
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| 167 | 168 |
| 168 friend class Isolate; | 169 friend class Isolate; |
| 169 friend class SCTableReference; | 170 friend class SCTableReference; |
| 170 | 171 |
| 171 DISALLOW_COPY_AND_ASSIGN(StubCache); | 172 DISALLOW_COPY_AND_ASSIGN(StubCache); |
| 172 }; | 173 }; |
| 173 } // namespace internal | 174 } // namespace internal |
| 174 } // namespace v8 | 175 } // namespace v8 |
| 175 | 176 |
| 176 #endif // V8_STUB_CACHE_H_ | 177 #endif // V8_STUB_CACHE_H_ |
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