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Issue 10066046: Tiny DescriptorArray cleanup. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fixed copyright year Created 8 years, 8 months ago
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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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2152 return true; 2152 return true;
2153 } 2153 }
2154 2154
2155 2155
2156 void Genesis::TransferNamedProperties(Handle<JSObject> from, 2156 void Genesis::TransferNamedProperties(Handle<JSObject> from,
2157 Handle<JSObject> to) { 2157 Handle<JSObject> to) {
2158 if (from->HasFastProperties()) { 2158 if (from->HasFastProperties()) {
2159 Handle<DescriptorArray> descs = 2159 Handle<DescriptorArray> descs =
2160 Handle<DescriptorArray>(from->map()->instance_descriptors()); 2160 Handle<DescriptorArray>(from->map()->instance_descriptors());
2161 for (int i = 0; i < descs->number_of_descriptors(); i++) { 2161 for (int i = 0; i < descs->number_of_descriptors(); i++) {
2162 PropertyDetails details = PropertyDetails(descs->GetDetails(i)); 2162 PropertyDetails details = descs->GetDetails(i);
2163 switch (details.type()) { 2163 switch (details.type()) {
2164 case FIELD: { 2164 case FIELD: {
2165 HandleScope inner; 2165 HandleScope inner;
2166 Handle<String> key = Handle<String>(descs->GetKey(i)); 2166 Handle<String> key = Handle<String>(descs->GetKey(i));
2167 int index = descs->GetFieldIndex(i); 2167 int index = descs->GetFieldIndex(i);
2168 Handle<Object> value = Handle<Object>(from->FastPropertyAt(index)); 2168 Handle<Object> value = Handle<Object>(from->FastPropertyAt(index));
2169 CHECK_NOT_EMPTY_HANDLE(to->GetIsolate(), 2169 CHECK_NOT_EMPTY_HANDLE(to->GetIsolate(),
2170 JSObject::SetLocalPropertyIgnoreAttributes( 2170 JSObject::SetLocalPropertyIgnoreAttributes(
2171 to, key, value, details.attributes())); 2171 to, key, value, details.attributes()));
2172 break; 2172 break;
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2368 return from + sizeof(NestingCounterType); 2368 return from + sizeof(NestingCounterType);
2369 } 2369 }
2370 2370
2371 2371
2372 // Called when the top-level V8 mutex is destroyed. 2372 // Called when the top-level V8 mutex is destroyed.
2373 void Bootstrapper::FreeThreadResources() { 2373 void Bootstrapper::FreeThreadResources() {
2374 ASSERT(!IsActive()); 2374 ASSERT(!IsActive());
2375 } 2375 }
2376 2376
2377 } } // namespace v8::internal 2377 } } // namespace v8::internal
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