OLD | NEW |
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 |
(...skipping 1187 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1198 // Check if the given name is an array index. | 1198 // Check if the given name is an array index. |
1199 uint32_t index; | 1199 uint32_t index; |
1200 if (name->AsArrayIndex(&index)) { | 1200 if (name->AsArrayIndex(&index)) { |
1201 Handle<Object> result = | 1201 Handle<Object> result = |
1202 JSObject::SetElement(receiver, index, value, NONE, strict_mode()); | 1202 JSObject::SetElement(receiver, index, value, NONE, strict_mode()); |
1203 RETURN_IF_EMPTY_HANDLE(isolate(), result); | 1203 RETURN_IF_EMPTY_HANDLE(isolate(), result); |
1204 return *value; | 1204 return *value; |
1205 } | 1205 } |
1206 | 1206 |
1207 // Observed objects are always modified through the runtime. | 1207 // Observed objects are always modified through the runtime. |
1208 if (receiver->map()->is_observed()) { | 1208 if (FLAG_harmony_observation && receiver->map()->is_observed()) { |
1209 Handle<Object> result = JSReceiver::SetProperty( | 1209 Handle<Object> result = JSReceiver::SetProperty( |
1210 receiver, name, value, NONE, strict_mode(), store_mode); | 1210 receiver, name, value, NONE, strict_mode(), store_mode); |
1211 RETURN_IF_EMPTY_HANDLE(isolate(), result); | 1211 RETURN_IF_EMPTY_HANDLE(isolate(), result); |
1212 return *result; | 1212 return *result; |
1213 } | 1213 } |
1214 | 1214 |
1215 // Use specialized code for setting the length of arrays with fast | 1215 // Use specialized code for setting the length of arrays with fast |
1216 // properties. Slow properties might indicate redefinition of the length | 1216 // properties. Slow properties might indicate redefinition of the length |
1217 // property. Note that when redefined using Object.freeze, it's possible | 1217 // property. Note that when redefined using Object.freeze, it's possible |
1218 // to have fast properties but a read-only length. | 1218 // to have fast properties but a read-only length. |
(...skipping 445 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1664 Handle<Code> stub = generic_stub(); | 1664 Handle<Code> stub = generic_stub(); |
1665 | 1665 |
1666 if (key->IsInternalizedString()) { | 1666 if (key->IsInternalizedString()) { |
1667 maybe_object = StoreIC::Store(object, | 1667 maybe_object = StoreIC::Store(object, |
1668 Handle<String>::cast(key), | 1668 Handle<String>::cast(key), |
1669 value, | 1669 value, |
1670 JSReceiver::MAY_BE_STORE_FROM_KEYED); | 1670 JSReceiver::MAY_BE_STORE_FROM_KEYED); |
1671 if (maybe_object->IsFailure()) return maybe_object; | 1671 if (maybe_object->IsFailure()) return maybe_object; |
1672 } else { | 1672 } else { |
1673 bool use_ic = FLAG_use_ic && !object->IsAccessCheckNeeded() && | 1673 bool use_ic = FLAG_use_ic && !object->IsAccessCheckNeeded() && |
1674 !(object->IsJSObject() && | 1674 !(FLAG_harmony_observation && object->IsJSObject() && |
1675 JSObject::cast(*object)->map()->is_observed()); | 1675 JSObject::cast(*object)->map()->is_observed()); |
1676 if (use_ic && !object->IsSmi()) { | 1676 if (use_ic && !object->IsSmi()) { |
1677 // Don't use ICs for maps of the objects in Array's prototype chain. We | 1677 // Don't use ICs for maps of the objects in Array's prototype chain. We |
1678 // expect to be able to trap element sets to objects with those maps in | 1678 // expect to be able to trap element sets to objects with those maps in |
1679 // the runtime to enable optimization of element hole access. | 1679 // the runtime to enable optimization of element hole access. |
1680 Handle<HeapObject> heap_object = Handle<HeapObject>::cast(object); | 1680 Handle<HeapObject> heap_object = Handle<HeapObject>::cast(object); |
1681 if (heap_object->map()->IsMapInArrayPrototypeChain()) use_ic = false; | 1681 if (heap_object->map()->IsMapInArrayPrototypeChain()) use_ic = false; |
1682 } | 1682 } |
1683 | 1683 |
1684 if (use_ic) { | 1684 if (use_ic) { |
(...skipping 1133 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2818 #undef ADDR | 2818 #undef ADDR |
2819 }; | 2819 }; |
2820 | 2820 |
2821 | 2821 |
2822 Address IC::AddressFromUtilityId(IC::UtilityId id) { | 2822 Address IC::AddressFromUtilityId(IC::UtilityId id) { |
2823 return IC_utilities[id]; | 2823 return IC_utilities[id]; |
2824 } | 2824 } |
2825 | 2825 |
2826 | 2826 |
2827 } } // namespace v8::internal | 2827 } } // namespace v8::internal |
OLD | NEW |