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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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949 // the element if so. | 949 // the element if so. |
950 uint32_t index; | 950 uint32_t index; |
951 if (name->AsArrayIndex(&index)) return object->GetElement(index); | 951 if (name->AsArrayIndex(&index)) return object->GetElement(index); |
952 | 952 |
953 // Named lookup in the object. | 953 // Named lookup in the object. |
954 LookupResult lookup; | 954 LookupResult lookup; |
955 LookupForRead(*object, *name, &lookup); | 955 LookupForRead(*object, *name, &lookup); |
956 | 956 |
957 // If we did not find a property, check if we need to throw an exception. | 957 // If we did not find a property, check if we need to throw an exception. |
958 if (!lookup.IsProperty()) { | 958 if (!lookup.IsProperty()) { |
959 if (FLAG_strict || IsContextual(object)) { | 959 if (IsContextual(object)) { |
960 return ReferenceError("not_defined", name); | 960 return ReferenceError("not_defined", name); |
961 } | 961 } |
962 LOG(isolate(), SuspectReadEvent(*name, *object)); | 962 LOG(isolate(), SuspectReadEvent(*name, *object)); |
963 } | 963 } |
964 | 964 |
965 // Update inline cache and stub cache. | 965 // Update inline cache and stub cache. |
966 if (FLAG_use_ic) { | 966 if (FLAG_use_ic) { |
967 UpdateCaches(&lookup, state, object, name); | 967 UpdateCaches(&lookup, state, object, name); |
968 } | 968 } |
969 | 969 |
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1223 // Rewrite to the generic keyed load stub. | 1223 // Rewrite to the generic keyed load stub. |
1224 if (FLAG_use_ic) set_target(generic_stub()); | 1224 if (FLAG_use_ic) set_target(generic_stub()); |
1225 return Runtime::GetElementOrCharAt(isolate(), object, index); | 1225 return Runtime::GetElementOrCharAt(isolate(), object, index); |
1226 } | 1226 } |
1227 | 1227 |
1228 // Named lookup. | 1228 // Named lookup. |
1229 LookupResult lookup; | 1229 LookupResult lookup; |
1230 LookupForRead(*object, *name, &lookup); | 1230 LookupForRead(*object, *name, &lookup); |
1231 | 1231 |
1232 // If we did not find a property, check if we need to throw an exception. | 1232 // If we did not find a property, check if we need to throw an exception. |
1233 if (!lookup.IsProperty()) { | 1233 if (!lookup.IsProperty() && IsContextual(object)) { |
1234 if (FLAG_strict || IsContextual(object)) { | 1234 return ReferenceError("not_defined", name); |
1235 return ReferenceError("not_defined", name); | |
1236 } | |
1237 } | 1235 } |
1238 | 1236 |
1239 if (FLAG_use_ic) { | 1237 if (FLAG_use_ic) { |
1240 UpdateCaches(&lookup, state, object, name); | 1238 UpdateCaches(&lookup, state, object, name); |
1241 } | 1239 } |
1242 | 1240 |
1243 PropertyAttributes attr; | 1241 PropertyAttributes attr; |
1244 if (lookup.IsProperty() && lookup.type() == INTERCEPTOR) { | 1242 if (lookup.IsProperty() && lookup.type() == INTERCEPTOR) { |
1245 // Get the property. | 1243 // Get the property. |
1246 Object* result; | 1244 Object* result; |
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2561 #undef ADDR | 2559 #undef ADDR |
2562 }; | 2560 }; |
2563 | 2561 |
2564 | 2562 |
2565 Address IC::AddressFromUtilityId(IC::UtilityId id) { | 2563 Address IC::AddressFromUtilityId(IC::UtilityId id) { |
2566 return IC_utilities[id]; | 2564 return IC_utilities[id]; |
2567 } | 2565 } |
2568 | 2566 |
2569 | 2567 |
2570 } } // namespace v8::internal | 2568 } } // namespace v8::internal |
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