1/*
2 * Copyright (C) 2003, 2008 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef RUNTIME_ARRAY_H_
27#define RUNTIME_ARRAY_H_
28
29#include "BridgeJSC.h"
30#include "JSDOMBinding.h"
31#include <JavaScriptCore/ArrayPrototype.h>
32
33namespace JSC {
34
35class RuntimeArray : public JSArray {
36public:
37 typedef JSArray Base;
38 static const unsigned StructureFlags = Base::StructureFlags | OverridesGetOwnPropertySlot | InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | OverridesGetPropertyNames;
39
40 static RuntimeArray* create(ExecState* exec, Bindings::Array* array)
41 {
42 VM& vm = exec->vm();
43 // FIXME: deprecatedGetDOMStructure uses the prototype off of the wrong global object
44 // We need to pass in the right global object for "array".
45 Structure* domStructure = WebCore::deprecatedGetDOMStructure<RuntimeArray>(exec);
46 RuntimeArray* runtimeArray = new (NotNull, allocateCell<RuntimeArray>(vm.heap)) RuntimeArray(exec, domStructure);
47 runtimeArray->finishCreation(vm, array);
48 exec->vm().heap.addFinalizer(runtimeArray, destroy);
49 return runtimeArray;
50 }
51
52 typedef Bindings::Array BindingsArray;
53 ~RuntimeArray();
54 static void destroy(JSCell*);
55 static const bool needsDestruction = false;
56
57 static void getOwnPropertyNames(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
58 static bool getOwnPropertySlot(JSObject*, ExecState*, PropertyName, PropertySlot&);
59 static bool getOwnPropertySlotByIndex(JSObject*, ExecState*, unsigned, PropertySlot&);
60 static bool put(JSCell*, ExecState*, PropertyName, JSValue, PutPropertySlot&);
61 static bool putByIndex(JSCell*, ExecState*, unsigned propertyName, JSValue, bool shouldThrow);
62
63 static bool deleteProperty(JSCell*, ExecState*, PropertyName);
64 static bool deletePropertyByIndex(JSCell*, ExecState*, unsigned propertyName);
65
66 unsigned getLength() const { return m_array->getLength(); }
67
68 Bindings::Array* getConcreteArray() const { return m_array; }
69
70 DECLARE_INFO;
71
72 static ArrayPrototype* createPrototype(VM&, JSGlobalObject& globalObject)
73 {
74 return globalObject.arrayPrototype();
75 }
76
77 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
78 {
79 return Structure::create(vm, globalObject, prototype, TypeInfo(DerivedArrayType, StructureFlags), info(), ArrayClass);
80 }
81
82protected:
83 void finishCreation(VM&, Bindings::Array*);
84
85private:
86 RuntimeArray(ExecState*, Structure*);
87 static EncodedJSValue lengthGetter(ExecState*, EncodedJSValue, PropertyName);
88
89 BindingsArray* m_array;
90};
91
92} // namespace JSC
93
94#endif // RUNTIME_ARRAY_H_
95