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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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1084 static MaybeObject* GetOwnProperty(Isolate* isolate, | 1084 static MaybeObject* GetOwnProperty(Isolate* isolate, |
1085 Handle<JSObject> obj, | 1085 Handle<JSObject> obj, |
1086 Handle<String> name) { | 1086 Handle<String> name) { |
1087 Heap* heap = isolate->heap(); | 1087 Heap* heap = isolate->heap(); |
1088 Handle<FixedArray> elms = isolate->factory()->NewFixedArray(DESCRIPTOR_SIZE); | 1088 Handle<FixedArray> elms = isolate->factory()->NewFixedArray(DESCRIPTOR_SIZE); |
1089 Handle<JSArray> desc = isolate->factory()->NewJSArrayWithElements(elms); | 1089 Handle<JSArray> desc = isolate->factory()->NewJSArrayWithElements(elms); |
1090 LookupResult result(isolate); | 1090 LookupResult result(isolate); |
1091 // This could be an element. | 1091 // This could be an element. |
1092 uint32_t index; | 1092 uint32_t index; |
1093 if (name->AsArrayIndex(&index)) { | 1093 if (name->AsArrayIndex(&index)) { |
1094 switch (obj->GetLocalElementType(index)) { | 1094 switch (obj->GetLocalElementKind(index)) { |
1095 case JSObject::UNDEFINED_ELEMENT: | 1095 case JSObject::UNDEFINED_ELEMENT: |
1096 return heap->undefined_value(); | 1096 return heap->undefined_value(); |
1097 | 1097 |
1098 case JSObject::STRING_CHARACTER_ELEMENT: { | 1098 case JSObject::STRING_CHARACTER_ELEMENT: { |
1099 // Special handling of string objects according to ECMAScript 5 | 1099 // Special handling of string objects according to ECMAScript 5 |
1100 // 15.5.5.2. Note that this might be a string object with elements | 1100 // 15.5.5.2. Note that this might be a string object with elements |
1101 // other than the actual string value. This is covered by the | 1101 // other than the actual string value. This is covered by the |
1102 // subsequent cases. | 1102 // subsequent cases. |
1103 Handle<JSValue> js_value = Handle<JSValue>::cast(obj); | 1103 Handle<JSValue> js_value = Handle<JSValue>::cast(obj); |
1104 Handle<String> str(String::cast(js_value->value())); | 1104 Handle<String> str(String::cast(js_value->value())); |
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4720 | 4720 |
4721 RUNTIME_FUNCTION(MaybeObject*, Runtime_IsPropertyEnumerable) { | 4721 RUNTIME_FUNCTION(MaybeObject*, Runtime_IsPropertyEnumerable) { |
4722 NoHandleAllocation ha; | 4722 NoHandleAllocation ha; |
4723 ASSERT(args.length() == 2); | 4723 ASSERT(args.length() == 2); |
4724 | 4724 |
4725 CONVERT_ARG_CHECKED(JSObject, object, 0); | 4725 CONVERT_ARG_CHECKED(JSObject, object, 0); |
4726 CONVERT_ARG_CHECKED(String, key, 1); | 4726 CONVERT_ARG_CHECKED(String, key, 1); |
4727 | 4727 |
4728 uint32_t index; | 4728 uint32_t index; |
4729 if (key->AsArrayIndex(&index)) { | 4729 if (key->AsArrayIndex(&index)) { |
4730 JSObject::LocalElementType type = object->GetLocalElementType(index); | 4730 JSObject::LocalElementKind type = object->GetLocalElementKind(index); |
4731 switch (type) { | 4731 switch (type) { |
4732 case JSObject::UNDEFINED_ELEMENT: | 4732 case JSObject::UNDEFINED_ELEMENT: |
4733 case JSObject::STRING_CHARACTER_ELEMENT: | 4733 case JSObject::STRING_CHARACTER_ELEMENT: |
4734 return isolate->heap()->false_value(); | 4734 return isolate->heap()->false_value(); |
4735 case JSObject::INTERCEPTED_ELEMENT: | 4735 case JSObject::INTERCEPTED_ELEMENT: |
4736 case JSObject::FAST_ELEMENT: | 4736 case JSObject::FAST_ELEMENT: |
4737 return isolate->heap()->true_value(); | 4737 return isolate->heap()->true_value(); |
4738 case JSObject::DICTIONARY_ELEMENT: { | 4738 case JSObject::DICTIONARY_ELEMENT: { |
4739 if (object->IsJSGlobalProxy()) { | 4739 if (object->IsJSGlobalProxy()) { |
4740 Object* proto = object->GetPrototype(); | 4740 Object* proto = object->GetPrototype(); |
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13317 // Handle last resort GC and make sure to allow future allocations | 13317 // Handle last resort GC and make sure to allow future allocations |
13318 // to grow the heap without causing GCs (if possible). | 13318 // to grow the heap without causing GCs (if possible). |
13319 isolate->counters()->gc_last_resort_from_js()->Increment(); | 13319 isolate->counters()->gc_last_resort_from_js()->Increment(); |
13320 isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags, | 13320 isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags, |
13321 "Runtime::PerformGC"); | 13321 "Runtime::PerformGC"); |
13322 } | 13322 } |
13323 } | 13323 } |
13324 | 13324 |
13325 | 13325 |
13326 } } // namespace v8::internal | 13326 } } // namespace v8::internal |
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