1/* 2 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21#include "config.h" 22#include "PropertyNameArray.h" 23 24#include "Structure.h" 25#include "StructureChain.h" 26 27namespace JSC { 28 29static const size_t setThreshold = 20; 30 31void PropertyNameArray::add(UString::Rep* identifier) 32{ 33 ASSERT(identifier == &UString::Rep::empty() || identifier->isIdentifier()); 34 35 size_t size = m_data->propertyNameVector().size(); 36 if (size < setThreshold) { 37 for (size_t i = 0; i < size; ++i) { 38 if (identifier == m_data->propertyNameVector()[i].ustring().rep()) 39 return; 40 } 41 } else { 42 if (m_set.isEmpty()) { 43 for (size_t i = 0; i < size; ++i) 44 m_set.add(m_data->propertyNameVector()[i].ustring().rep()); 45 } 46 if (!m_set.add(identifier).second) 47 return; 48 } 49 50 addKnownUnique(identifier); 51} 52 53} // namespace JSC 54