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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_LOOKUP_H_ | 5 #ifndef V8_LOOKUP_H_ |
6 #define V8_LOOKUP_H_ | 6 #define V8_LOOKUP_H_ |
7 | 7 |
8 #include "src/factory.h" | 8 #include "src/factory.h" |
9 #include "src/isolate.h" | 9 #include "src/isolate.h" |
10 #include "src/objects.h" | 10 #include "src/objects.h" |
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138 int GetAccessorIndex() const; | 138 int GetAccessorIndex() const; |
139 int GetConstantIndex() const; | 139 int GetConstantIndex() const; |
140 Handle<PropertyCell> GetPropertyCell() const; | 140 Handle<PropertyCell> GetPropertyCell() const; |
141 Handle<Object> GetAccessors() const; | 141 Handle<Object> GetAccessors() const; |
142 Handle<Object> GetDataValue() const; | 142 Handle<Object> GetDataValue() const; |
143 // Usually returns the value that was passed in, but may perform | 143 // Usually returns the value that was passed in, but may perform |
144 // non-observable modifications on it, such as internalize strings. | 144 // non-observable modifications on it, such as internalize strings. |
145 Handle<Object> WriteDataValue(Handle<Object> value); | 145 Handle<Object> WriteDataValue(Handle<Object> value); |
146 void InternalizeName(); | 146 void InternalizeName(); |
147 | 147 |
148 int dictionary_entry() const { | |
149 DCHECK(has_property_); | |
150 DCHECK(holder_map_->is_dictionary_map()); | |
151 return number_; | |
152 } | |
153 | |
154 private: | 148 private: |
155 enum class InterceptorState { | 149 enum class InterceptorState { |
156 kUninitialized, | 150 kUninitialized, |
157 kSkipNonMasking, | 151 kSkipNonMasking, |
158 kProcessNonMasking | 152 kProcessNonMasking |
159 }; | 153 }; |
160 | 154 |
161 Handle<Map> GetReceiverMap() const; | 155 Handle<Map> GetReceiverMap() const; |
162 | 156 |
163 MUST_USE_RESULT inline JSReceiver* NextHolder(Map* map); | 157 MUST_USE_RESULT inline JSReceiver* NextHolder(Map* map); |
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175 return !IsBootstrapping() && (configuration_ & kInterceptor) != 0; | 169 return !IsBootstrapping() && (configuration_ & kInterceptor) != 0; |
176 } | 170 } |
177 bool check_prototype_chain() const { | 171 bool check_prototype_chain() const { |
178 return (configuration_ & kPrototypeChain) != 0; | 172 return (configuration_ & kPrototypeChain) != 0; |
179 } | 173 } |
180 int descriptor_number() const { | 174 int descriptor_number() const { |
181 DCHECK(has_property_); | 175 DCHECK(has_property_); |
182 DCHECK(!holder_map_->is_dictionary_map()); | 176 DCHECK(!holder_map_->is_dictionary_map()); |
183 return number_; | 177 return number_; |
184 } | 178 } |
| 179 int dictionary_entry() const { |
| 180 DCHECK(has_property_); |
| 181 DCHECK(holder_map_->is_dictionary_map()); |
| 182 return number_; |
| 183 } |
185 | 184 |
186 static Configuration ComputeConfiguration( | 185 static Configuration ComputeConfiguration( |
187 Configuration configuration, Handle<Name> name) { | 186 Configuration configuration, Handle<Name> name) { |
188 if (name->IsOwn()) { | 187 if (name->IsOwn()) { |
189 return static_cast<Configuration>(configuration & | 188 return static_cast<Configuration>(configuration & |
190 HIDDEN_SKIP_INTERCEPTOR); | 189 HIDDEN_SKIP_INTERCEPTOR); |
191 } else { | 190 } else { |
192 return configuration; | 191 return configuration; |
193 } | 192 } |
194 } | 193 } |
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211 Handle<JSReceiver> holder_; | 210 Handle<JSReceiver> holder_; |
212 Handle<Map> holder_map_; | 211 Handle<Map> holder_map_; |
213 const Handle<JSReceiver> initial_holder_; | 212 const Handle<JSReceiver> initial_holder_; |
214 int number_; | 213 int number_; |
215 }; | 214 }; |
216 | 215 |
217 | 216 |
218 } } // namespace v8::internal | 217 } } // namespace v8::internal |
219 | 218 |
220 #endif // V8_LOOKUP_H_ | 219 #endif // V8_LOOKUP_H_ |
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