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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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732 Handle<String> name = Handle<String>::cast(key); | 732 Handle<String> name = Handle<String>::cast(key); |
733 | 733 |
734 // If the object is undefined or null it's illegal to try to get any | 734 // If the object is undefined or null it's illegal to try to get any |
735 // of its properties; throw a TypeError in that case. | 735 // of its properties; throw a TypeError in that case. |
736 if (object->IsUndefined() || object->IsNull()) { | 736 if (object->IsUndefined() || object->IsNull()) { |
737 return TypeError("non_object_property_load", object, name); | 737 return TypeError("non_object_property_load", object, name); |
738 } | 738 } |
739 | 739 |
740 // TODO(X64): Enable specialized stubs for length and prototype lookup. | 740 // TODO(X64): Enable specialized stubs for length and prototype lookup. |
741 #ifndef V8_TARGET_ARCH_X64 | 741 #ifndef V8_TARGET_ARCH_X64 |
742 if (false && FLAG_use_ic) { | 742 if (FLAG_use_ic) { |
743 // Use specialized code for getting the length of strings. | 743 // Use specialized code for getting the length of strings. |
744 if (object->IsString() && name->Equals(Heap::length_symbol())) { | 744 if (object->IsString() && name->Equals(Heap::length_symbol())) { |
745 Handle<String> string = Handle<String>::cast(object); | 745 Handle<String> string = Handle<String>::cast(object); |
746 Object* code = NULL; | 746 Object* code = NULL; |
747 code = StubCache::ComputeKeyedLoadStringLength(*name, *string); | 747 code = StubCache::ComputeKeyedLoadStringLength(*name, *string); |
748 if (code->IsFailure()) return code; | 748 if (code->IsFailure()) return code; |
749 set_target(Code::cast(code)); | 749 set_target(Code::cast(code)); |
750 #ifdef DEBUG | 750 #ifdef DEBUG |
751 TraceIC("KeyedLoadIC", name, state, target()); | 751 TraceIC("KeyedLoadIC", name, state, target()); |
752 #endif // DEBUG | 752 #endif // DEBUG |
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1374 #undef ADDR | 1374 #undef ADDR |
1375 }; | 1375 }; |
1376 | 1376 |
1377 | 1377 |
1378 Address IC::AddressFromUtilityId(IC::UtilityId id) { | 1378 Address IC::AddressFromUtilityId(IC::UtilityId id) { |
1379 return IC_utilities[id]; | 1379 return IC_utilities[id]; |
1380 } | 1380 } |
1381 | 1381 |
1382 | 1382 |
1383 } } // namespace v8::internal | 1383 } } // namespace v8::internal |
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