| /* |
| * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "PropertyNameArray.h" |
| |
| #include "JSObject.h" |
| |
| #include "Structure.h" |
| #include "StructureChain.h" |
| |
| namespace JSC { |
| |
| static const size_t setThreshold = 20; |
| |
| void PropertyNameArray::add(StringImpl* identifier) |
| { |
| ASSERT(!identifier || identifier == StringImpl::empty() || identifier->isIdentifier()); |
| |
| size_t size = m_data->propertyNameVector().size(); |
| if (size < setThreshold) { |
| for (size_t i = 0; i < size; ++i) { |
| if (identifier == m_data->propertyNameVector()[i].impl()) |
| return; |
| } |
| } else { |
| if (m_set.isEmpty()) { |
| for (size_t i = 0; i < size; ++i) |
| m_set.add(m_data->propertyNameVector()[i].impl()); |
| } |
| if (!m_set.add(identifier).isNewEntry) |
| return; |
| } |
| |
| addKnownUnique(identifier); |
| } |
| |
| } // namespace JSC |