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 | #ifndef PropertyNameArray_h |
22 | #define PropertyNameArray_h |
23 | |
24 | #include "CallFrame.h" |
25 | #include "Identifier.h" |
26 | #include <wtf/HashSet.h> |
27 | #include <wtf/OwnArrayPtr.h> |
28 | #include <wtf/Vector.h> |
29 | |
30 | namespace JSC { |
31 | |
32 | class Structure; |
33 | class StructureChain; |
34 | |
35 | // FIXME: Rename to PropertyNameArray. |
36 | class PropertyNameArrayData : public RefCounted<PropertyNameArrayData> { |
37 | public: |
38 | typedef Vector<Identifier, 20> PropertyNameVector; |
39 | |
40 | static PassRefPtr<PropertyNameArrayData> create() { return adoptRef(p: new PropertyNameArrayData); } |
41 | |
42 | PropertyNameVector& propertyNameVector() { return m_propertyNameVector; } |
43 | |
44 | private: |
45 | PropertyNameArrayData() |
46 | { |
47 | } |
48 | |
49 | PropertyNameVector m_propertyNameVector; |
50 | }; |
51 | |
52 | // FIXME: Rename to PropertyNameArrayBuilder. |
53 | class PropertyNameArray { |
54 | public: |
55 | PropertyNameArray(JSGlobalData* globalData) |
56 | : m_data(PropertyNameArrayData::create()) |
57 | , m_globalData(globalData) |
58 | , m_shouldCache(true) |
59 | { |
60 | } |
61 | |
62 | PropertyNameArray(ExecState* exec) |
63 | : m_data(PropertyNameArrayData::create()) |
64 | , m_globalData(&exec->globalData()) |
65 | , m_shouldCache(true) |
66 | { |
67 | } |
68 | |
69 | JSGlobalData* globalData() { return m_globalData; } |
70 | |
71 | void add(const Identifier& identifier) { add(identifier.ustring().rep()); } |
72 | void add(UString::Rep*); |
73 | void addKnownUnique(UString::Rep* identifier) { m_data->propertyNameVector().append(val: Identifier(m_globalData, identifier)); } |
74 | |
75 | Identifier& operator[](unsigned i) { return m_data->propertyNameVector()[i]; } |
76 | const Identifier& operator[](unsigned i) const { return m_data->propertyNameVector()[i]; } |
77 | |
78 | void setData(PassRefPtr<PropertyNameArrayData> data) { m_data = data; } |
79 | PropertyNameArrayData* data() { return m_data.get(); } |
80 | PassRefPtr<PropertyNameArrayData> releaseData() { return m_data.release(); } |
81 | |
82 | // FIXME: Remove these functions. |
83 | typedef PropertyNameArrayData::PropertyNameVector::const_iterator const_iterator; |
84 | size_t size() const { return m_data->propertyNameVector().size(); } |
85 | const_iterator begin() const { return m_data->propertyNameVector().begin(); } |
86 | const_iterator end() const { return m_data->propertyNameVector().end(); } |
87 | |
88 | private: |
89 | typedef HashSet<UString::Rep*, PtrHash<UString::Rep*> > IdentifierSet; |
90 | |
91 | RefPtr<PropertyNameArrayData> m_data; |
92 | IdentifierSet m_set; |
93 | JSGlobalData* m_globalData; |
94 | bool m_shouldCache; |
95 | }; |
96 | |
97 | } // namespace JSC |
98 | |
99 | #endif // PropertyNameArray_h |
100 | |