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 | |
27 | namespace JSC { |
28 | |
29 | static const size_t setThreshold = 20; |
30 | |
31 | void PropertyNameArray::add(UString::Rep* identifier) |
32 | { |
33 | ASSERT(identifier == &UString::Rep::null() || 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(value: m_data->propertyNameVector()[i].ustring().rep()); |
45 | } |
46 | if (!m_set.add(value: identifier).second) |
47 | return; |
48 | } |
49 | |
50 | addKnownUnique(identifier); |
51 | } |
52 | |
53 | } // namespace JSC |
54 | |