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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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172 | 172 |
173 Handle<Object> GetProperty(Handle<JSReceiver> obj, | 173 Handle<Object> GetProperty(Handle<JSReceiver> obj, |
174 const char* name) { | 174 const char* name) { |
175 Isolate* isolate = obj->GetIsolate(); | 175 Isolate* isolate = obj->GetIsolate(); |
176 Handle<String> str = isolate->factory()->InternalizeUtf8String(name); | 176 Handle<String> str = isolate->factory()->InternalizeUtf8String(name); |
177 ASSERT(!str.is_null()); | 177 ASSERT(!str.is_null()); |
178 return Object::GetPropertyOrElement(obj, str); | 178 return Object::GetPropertyOrElement(obj, str); |
179 } | 179 } |
180 | 180 |
181 | 181 |
182 Handle<String> LookupSingleCharacterStringFromCode(Isolate* isolate, | |
183 uint32_t index) { | |
184 CALL_HEAP_FUNCTION( | |
185 isolate, | |
186 isolate->heap()->LookupSingleCharacterStringFromCode(index), | |
187 String); | |
188 } | |
189 | |
190 | |
191 // Wrappers for scripts are kept alive and cached in weak global | 182 // Wrappers for scripts are kept alive and cached in weak global |
192 // handles referred from foreign objects held by the scripts as long as | 183 // handles referred from foreign objects held by the scripts as long as |
193 // they are used. When they are not used anymore, the garbage | 184 // they are used. When they are not used anymore, the garbage |
194 // collector will call the weak callback on the global handle | 185 // collector will call the weak callback on the global handle |
195 // associated with the wrapper and get rid of both the wrapper and the | 186 // associated with the wrapper and get rid of both the wrapper and the |
196 // handle. | 187 // handle. |
197 static void ClearWrapperCache( | 188 static void ClearWrapperCache( |
198 const v8::WeakCallbackData<v8::Value, void>& data) { | 189 const v8::WeakCallbackData<v8::Value, void>& data) { |
199 Object** location = reinterpret_cast<Object**>(data.GetParameter()); | 190 Object** location = reinterpret_cast<Object**>(data.GetParameter()); |
200 JSValue* wrapper = JSValue::cast(*location); | 191 JSValue* wrapper = JSValue::cast(*location); |
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743 Handle<Code> code) { | 734 Handle<Code> code) { |
744 heap->EnsureWeakObjectToCodeTable(); | 735 heap->EnsureWeakObjectToCodeTable(); |
745 Handle<DependentCode> dep(heap->LookupWeakObjectToCodeDependency(*object)); | 736 Handle<DependentCode> dep(heap->LookupWeakObjectToCodeDependency(*object)); |
746 dep = DependentCode::Insert(dep, DependentCode::kWeaklyEmbeddedGroup, code); | 737 dep = DependentCode::Insert(dep, DependentCode::kWeaklyEmbeddedGroup, code); |
747 CALL_HEAP_FUNCTION_VOID(heap->isolate(), | 738 CALL_HEAP_FUNCTION_VOID(heap->isolate(), |
748 heap->AddWeakObjectToCodeDependency(*object, *dep)); | 739 heap->AddWeakObjectToCodeDependency(*object, *dep)); |
749 } | 740 } |
750 | 741 |
751 | 742 |
752 } } // namespace v8::internal | 743 } } // namespace v8::internal |
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