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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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113 HeapObject* IC::GetCodeCacheHolder(Isolate* isolate, | 113 HeapObject* IC::GetCodeCacheHolder(Isolate* isolate, |
114 Object* object, | 114 Object* object, |
115 InlineCacheHolderFlag holder) { | 115 InlineCacheHolderFlag holder) { |
116 if (object->IsSmi()) holder = PROTOTYPE_MAP; | 116 if (object->IsSmi()) holder = PROTOTYPE_MAP; |
117 Object* map_owner = holder == OWN_MAP | 117 Object* map_owner = holder == OWN_MAP |
118 ? object : object->GetPrototype(isolate); | 118 ? object : object->GetPrototype(isolate); |
119 return HeapObject::cast(map_owner); | 119 return HeapObject::cast(map_owner); |
120 } | 120 } |
121 | 121 |
122 | 122 |
| 123 InlineCacheHolderFlag IC::GetCodeCacheFlag(Type* type) { |
| 124 if (type->Is(Type::Boolean()) || |
| 125 type->Is(Type::Number()) || |
| 126 type->Is(Type::String()) || |
| 127 type->Is(Type::Symbol())) { |
| 128 return PROTOTYPE_MAP; |
| 129 } |
| 130 return OWN_MAP; |
| 131 } |
| 132 |
| 133 |
| 134 Handle<Map> IC::GetCodeCacheHolder(InlineCacheHolderFlag flag, |
| 135 Type* type, |
| 136 Isolate* isolate) { |
| 137 if (flag == PROTOTYPE_MAP) { |
| 138 Context* context = isolate->context()->native_context(); |
| 139 JSFunction* constructor; |
| 140 if (type->Is(Type::Boolean())) { |
| 141 constructor = context->boolean_function(); |
| 142 } else if (type->Is(Type::Number())) { |
| 143 constructor = context->number_function(); |
| 144 } else if (type->Is(Type::String())) { |
| 145 constructor = context->string_function(); |
| 146 } else { |
| 147 ASSERT(type->Is(Type::Symbol())); |
| 148 constructor = context->symbol_function(); |
| 149 } |
| 150 return handle(JSObject::cast(constructor->instance_prototype())->map()); |
| 151 } |
| 152 return type->AsClass(); |
| 153 } |
| 154 |
| 155 |
123 } } // namespace v8::internal | 156 } } // namespace v8::internal |
124 | 157 |
125 #endif // V8_IC_INL_H_ | 158 #endif // V8_IC_INL_H_ |
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