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 COMPUTER, 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 COMPUTER, 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 <runtime/ArrayPrototype.h>
32
33namespace JSC {
34
35class RuntimeArray : public JSArray {
36public:
37    typedef JSArray Base;
38
39    static RuntimeArray* create(ExecState* exec, Bindings::Array* array)
40    {
41        // FIXME: deprecatedGetDOMStructure uses the prototype off of the wrong global object
42        // We need to pass in the right global object for "array".
43        Structure* domStructure = WebCore::deprecatedGetDOMStructure<RuntimeArray>(exec);
44        RuntimeArray* runtimeArray = new (NotNull, allocateCell<RuntimeArray>(*exec->heap())) RuntimeArray(exec, domStructure);
45        runtimeArray->finishCreation(exec->vm(), array);
46        exec->vm().heap.addFinalizer(runtimeArray, destroy);
47        return runtimeArray;
48    }
49
50    typedef Bindings::Array BindingsArray;
51    ~RuntimeArray();
52    static void destroy(JSCell*);
53    static const bool needsDestruction = false;
54
55    static void getOwnPropertyNames(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
56    static bool getOwnPropertySlot(JSCell*, ExecState*, PropertyName, PropertySlot&);
57    static bool getOwnPropertySlotByIndex(JSCell*, ExecState*, unsigned, PropertySlot&);
58    static bool getOwnPropertyDescriptor(JSObject*, ExecState*, PropertyName, PropertyDescriptor&);
59    static void put(JSCell*, ExecState*, PropertyName, JSValue, PutPropertySlot&);
60    static void putByIndex(JSCell*, ExecState*, unsigned propertyName, JSValue, bool shouldThrow);
61
62    static bool deleteProperty(JSCell*, ExecState*, PropertyName);
63    static bool deletePropertyByIndex(JSCell*, ExecState*, unsigned propertyName);
64
65    unsigned getLength() const { return m_array->getLength(); }
66
67    Bindings::Array* getConcreteArray() const { return m_array; }
68
69    static const ClassInfo s_info;
70
71    static ArrayPrototype* createPrototype(ExecState*, JSGlobalObject* globalObject)
72    {
73        return globalObject->arrayPrototype();
74    }
75
76    static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
77    {
78        return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), &s_info, ArrayClass);
79    }
80
81protected:
82    void finishCreation(VM&, Bindings::Array*);
83
84    static const unsigned StructureFlags = OverridesGetOwnPropertySlot | InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | OverridesGetPropertyNames | JSArray::StructureFlags;
85
86private:
87    RuntimeArray(ExecState*, Structure*);
88    static JSValue lengthGetter(ExecState*, JSValue, PropertyName);
89    static JSValue indexGetter(ExecState*, JSValue, unsigned);
90
91    BindingsArray* m_array;
92};
93
94} // namespace JSC
95
96#endif // RUNTIME_ARRAY_H_
97