1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* Copyright (C) 2014-2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "JSCast.h"
#include "PropertySlot.h"
#include "PutPropertySlot.h"
#include "Structure.h"
namespace JSC {
class CustomGetterSetter : public JSCell {
public:
using Base = JSCell;
static constexpr unsigned StructureFlags = Base::StructureFlags | OverridesGetOwnPropertySlot | OverridesPut | StructureIsImmortal;
using CustomGetter = GetValueFunc;
using CustomSetter = PutValueFunc;
template<typename CellType, SubspaceAccess>
static GCClient::IsoSubspace* subspaceFor(VM& vm)
{
return &vm.customGetterSetterSpace();
}
static CustomGetterSetter* create(VM& vm, CustomGetter customGetter, CustomSetter customSetter)
{
CustomGetterSetter* customGetterSetter = new (NotNull, allocateCell<CustomGetterSetter>(vm)) CustomGetterSetter(vm, vm.customGetterSetterStructure.get(), customGetter, customSetter);
customGetterSetter->finishCreation(vm);
return customGetterSetter;
}
CustomGetterSetter::CustomGetter getter() const { return m_getter; }
CustomGetterSetter::CustomSetter setter() const { return m_setter; }
inline static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
DECLARE_EXPORT_INFO;
static bool getOwnPropertySlot(JSObject*, JSGlobalObject*, PropertyName, PropertySlot&) { RELEASE_ASSERT_NOT_REACHED(); return false; }
static bool put(JSCell*, JSGlobalObject*, PropertyName, JSValue, PutPropertySlot&) { RELEASE_ASSERT_NOT_REACHED(); return false; }
static bool putByIndex(JSCell*, JSGlobalObject*, unsigned, JSValue, bool) { RELEASE_ASSERT_NOT_REACHED(); return false; }
static bool setPrototype(JSObject*, JSGlobalObject*, JSValue, bool) { RELEASE_ASSERT_NOT_REACHED(); return false; }
static bool defineOwnProperty(JSObject*, JSGlobalObject*, PropertyName, const PropertyDescriptor&, bool) { RELEASE_ASSERT_NOT_REACHED(); return false; }
static bool deleteProperty(JSCell*, JSGlobalObject*, PropertyName, DeletePropertySlot&) { RELEASE_ASSERT_NOT_REACHED(); return false; }
protected:
CustomGetterSetter(VM& vm, Structure* structure, CustomGetter getter, CustomSetter setter)
: JSCell(vm, structure)
, m_getter(getter)
, m_setter(setter)
{
}
private:
CustomGetter m_getter;
CustomSetter m_setter;
};
} // namespace JSC
|
