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Issue 238583004: Handlify JSObject::FastPropertyAt. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 8 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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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1817 // If the constructor is not present, return "Object". 1817 // If the constructor is not present, return "Object".
1818 return GetHeap()->Object_string(); 1818 return GetHeap()->Object_string();
1819 } 1819 }
1820 1820
1821 1821
1822 String* JSReceiver::constructor_name() { 1822 String* JSReceiver::constructor_name() {
1823 return map()->constructor_name(); 1823 return map()->constructor_name();
1824 } 1824 }
1825 1825
1826 1826
1827 // TODO(mstarzinger): Temporary wrapper until handlified.
1828 static Handle<Object> NewStorageFor(Isolate* isolate,
1829 Handle<Object> object,
1830 Representation representation) {
1831 Heap* heap = isolate->heap();
1832 CALL_HEAP_FUNCTION(isolate,
1833 object->AllocateNewStorageFor(heap, representation),
1834 Object);
1835 }
1836
1837
1838 void JSObject::AddFastProperty(Handle<JSObject> object, 1827 void JSObject::AddFastProperty(Handle<JSObject> object,
1839 Handle<Name> name, 1828 Handle<Name> name,
1840 Handle<Object> value, 1829 Handle<Object> value,
1841 PropertyAttributes attributes, 1830 PropertyAttributes attributes,
1842 StoreFromKeyed store_mode, 1831 StoreFromKeyed store_mode,
1843 ValueType value_type, 1832 ValueType value_type,
1844 TransitionFlag flag) { 1833 TransitionFlag flag) {
1845 ASSERT(!object->IsJSGlobalProxy()); 1834 ASSERT(!object->IsJSGlobalProxy());
1846 ASSERT(DescriptorArray::kNotFound == 1835 ASSERT(DescriptorArray::kNotFound ==
1847 object->map()->instance_descriptors()->Search( 1836 object->map()->instance_descriptors()->Search(
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2240 old_details.type() == FIELD); 2229 old_details.type() == FIELD);
2241 Object* raw_value = old_details.type() == CONSTANT 2230 Object* raw_value = old_details.type() == CONSTANT
2242 ? old_descriptors->GetValue(i) 2231 ? old_descriptors->GetValue(i)
2243 : object->RawFastPropertyAt(old_descriptors->GetFieldIndex(i)); 2232 : object->RawFastPropertyAt(old_descriptors->GetFieldIndex(i));
2244 Handle<Object> value(raw_value, isolate); 2233 Handle<Object> value(raw_value, isolate);
2245 if (!old_details.representation().IsDouble() && 2234 if (!old_details.representation().IsDouble() &&
2246 details.representation().IsDouble()) { 2235 details.representation().IsDouble()) {
2247 if (old_details.representation().IsNone()) { 2236 if (old_details.representation().IsNone()) {
2248 value = handle(Smi::FromInt(0), isolate); 2237 value = handle(Smi::FromInt(0), isolate);
2249 } 2238 }
2250 value = NewStorageFor(isolate, value, details.representation()); 2239 value = Object::NewStorageFor(isolate, value, details.representation());
2251 } 2240 }
2252 ASSERT(!(details.representation().IsDouble() && value->IsSmi())); 2241 ASSERT(!(details.representation().IsDouble() && value->IsSmi()));
2253 int target_index = new_descriptors->GetFieldIndex(i) - inobject; 2242 int target_index = new_descriptors->GetFieldIndex(i) - inobject;
2254 if (target_index < 0) target_index += total_size; 2243 if (target_index < 0) target_index += total_size;
2255 array->set(target_index, *value); 2244 array->set(target_index, *value);
2256 } 2245 }
2257 2246
2258 for (int i = old_nof; i < new_nof; i++) { 2247 for (int i = old_nof; i < new_nof; i++) {
2259 PropertyDetails details = new_descriptors->GetDetails(i); 2248 PropertyDetails details = new_descriptors->GetDetails(i);
2260 if (details.type() != FIELD) continue; 2249 if (details.type() != FIELD) continue;
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5839 Isolate* isolate = object->GetIsolate(); 5828 Isolate* isolate = object->GetIsolate();
5840 CALL_HEAP_FUNCTION(isolate, 5829 CALL_HEAP_FUNCTION(isolate,
5841 isolate->heap()->CopyJSObject(*object), JSObject); 5830 isolate->heap()->CopyJSObject(*object), JSObject);
5842 } 5831 }
5843 5832
5844 5833
5845 Handle<Object> JSObject::FastPropertyAt(Handle<JSObject> object, 5834 Handle<Object> JSObject::FastPropertyAt(Handle<JSObject> object,
5846 Representation representation, 5835 Representation representation,
5847 int index) { 5836 int index) {
5848 Isolate* isolate = object->GetIsolate(); 5837 Isolate* isolate = object->GetIsolate();
5849 CALL_HEAP_FUNCTION(isolate, 5838 Handle<Object> raw_value(object->RawFastPropertyAt(index), isolate);
5850 object->FastPropertyAt(representation, index), Object); 5839 return Object::NewStorageFor(isolate, raw_value, representation);
5851 } 5840 }
5852 5841
5853 5842
5854 template<class ContextObject> 5843 template<class ContextObject>
5855 class JSObjectWalkVisitor { 5844 class JSObjectWalkVisitor {
5856 public: 5845 public:
5857 JSObjectWalkVisitor(ContextObject* site_context, bool copying, 5846 JSObjectWalkVisitor(ContextObject* site_context, bool copying,
5858 JSObject::DeepCopyHints hints) 5847 JSObject::DeepCopyHints hints)
5859 : site_context_(site_context), 5848 : site_context_(site_context),
5860 copying_(copying), 5849 copying_(copying),
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5940 for (int i = 0; i < limit; i++) { 5929 for (int i = 0; i < limit; i++) {
5941 PropertyDetails details = descriptors->GetDetails(i); 5930 PropertyDetails details = descriptors->GetDetails(i);
5942 if (details.type() != FIELD) continue; 5931 if (details.type() != FIELD) continue;
5943 int index = descriptors->GetFieldIndex(i); 5932 int index = descriptors->GetFieldIndex(i);
5944 Handle<Object> value(object->RawFastPropertyAt(index), isolate); 5933 Handle<Object> value(object->RawFastPropertyAt(index), isolate);
5945 if (value->IsJSObject()) { 5934 if (value->IsJSObject()) {
5946 value = VisitElementOrProperty(copy, Handle<JSObject>::cast(value)); 5935 value = VisitElementOrProperty(copy, Handle<JSObject>::cast(value));
5947 RETURN_IF_EMPTY_HANDLE_VALUE(isolate, value, Handle<JSObject>()); 5936 RETURN_IF_EMPTY_HANDLE_VALUE(isolate, value, Handle<JSObject>());
5948 } else { 5937 } else {
5949 Representation representation = details.representation(); 5938 Representation representation = details.representation();
5950 value = NewStorageFor(isolate, value, representation); 5939 value = Object::NewStorageFor(isolate, value, representation);
5951 } 5940 }
5952 if (copying) { 5941 if (copying) {
5953 copy->FastPropertyAtPut(index, *value); 5942 copy->FastPropertyAtPut(index, *value);
5954 } 5943 }
5955 } 5944 }
5956 } else { 5945 } else {
5957 Handle<FixedArray> names = 5946 Handle<FixedArray> names =
5958 isolate->factory()->NewFixedArray(copy->NumberOfLocalProperties()); 5947 isolate->factory()->NewFixedArray(copy->NumberOfLocalProperties());
5959 copy->GetLocalPropertyNames(*names, 0); 5948 copy->GetLocalPropertyNames(*names, 0);
5960 for (int i = 0; i < names->length(); i++) { 5949 for (int i = 0; i < names->length(); i++) {
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16605 #define ERROR_MESSAGES_TEXTS(C, T) T, 16594 #define ERROR_MESSAGES_TEXTS(C, T) T,
16606 static const char* error_messages_[] = { 16595 static const char* error_messages_[] = {
16607 ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS) 16596 ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
16608 }; 16597 };
16609 #undef ERROR_MESSAGES_TEXTS 16598 #undef ERROR_MESSAGES_TEXTS
16610 return error_messages_[reason]; 16599 return error_messages_[reason];
16611 } 16600 }
16612 16601
16613 16602
16614 } } // namespace v8::internal 16603 } } // namespace v8::internal
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