1/*
2 * Copyright (C) 2011-2012, 2016-2017 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "JSProxy.h"
28
29#include "JSGlobalObject.h"
30#include "JSCInlines.h"
31
32namespace JSC {
33
34STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSProxy);
35
36const ClassInfo JSProxy::s_info = { "JSProxy", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSProxy) };
37
38void JSProxy::visitChildren(JSCell* cell, SlotVisitor& visitor)
39{
40 JSProxy* thisObject = jsCast<JSProxy*>(cell);
41 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
42 Base::visitChildren(thisObject, visitor);
43 visitor.append(thisObject->m_target);
44}
45
46void JSProxy::setTarget(VM& vm, JSGlobalObject* globalObject)
47{
48 m_target.set(vm, this, globalObject);
49 setPrototypeDirect(vm, globalObject->getPrototypeDirect(vm));
50}
51
52String JSProxy::className(const JSObject* object, VM& vm)
53{
54 const JSProxy* thisObject = jsCast<const JSProxy*>(object);
55 return thisObject->target()->methodTable(vm)->className(thisObject->target(), vm);
56}
57
58String JSProxy::toStringName(const JSObject* object, JSGlobalObject* globalObject)
59{
60 const JSProxy* thisObject = jsCast<const JSProxy*>(object);
61 return thisObject->target()->methodTable(globalObject->vm())->toStringName(thisObject->target(), globalObject);
62}
63
64bool JSProxy::getOwnPropertySlot(JSObject* object, JSGlobalObject* globalObject, PropertyName propertyName, PropertySlot& slot)
65{
66 JSProxy* thisObject = jsCast<JSProxy*>(object);
67 return thisObject->target()->methodTable(globalObject->vm())->getOwnPropertySlot(thisObject->target(), globalObject, propertyName, slot);
68}
69
70bool JSProxy::getOwnPropertySlotByIndex(JSObject* object, JSGlobalObject* globalObject, unsigned propertyName, PropertySlot& slot)
71{
72 JSProxy* thisObject = jsCast<JSProxy*>(object);
73 return thisObject->target()->methodTable(globalObject->vm())->getOwnPropertySlotByIndex(thisObject->target(), globalObject, propertyName, slot);
74}
75
76bool JSProxy::put(JSCell* cell, JSGlobalObject* globalObject, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
77{
78 JSProxy* thisObject = jsCast<JSProxy*>(cell);
79 return thisObject->target()->methodTable(globalObject->vm())->put(thisObject->target(), globalObject, propertyName, value, slot);
80}
81
82bool JSProxy::putByIndex(JSCell* cell, JSGlobalObject* globalObject, unsigned propertyName, JSValue value, bool shouldThrow)
83{
84 JSProxy* thisObject = jsCast<JSProxy*>(cell);
85 return thisObject->target()->methodTable(globalObject->vm())->putByIndex(thisObject->target(), globalObject, propertyName, value, shouldThrow);
86}
87
88bool JSProxy::defineOwnProperty(JSObject* object, JSGlobalObject* globalObject, PropertyName propertyName, const PropertyDescriptor& descriptor, bool shouldThrow)
89{
90 JSProxy* thisObject = jsCast<JSProxy*>(object);
91 return thisObject->target()->methodTable(globalObject->vm())->defineOwnProperty(thisObject->target(), globalObject, propertyName, descriptor, shouldThrow);
92}
93
94bool JSProxy::deleteProperty(JSCell* cell, JSGlobalObject* globalObject, PropertyName propertyName)
95{
96 JSProxy* thisObject = jsCast<JSProxy*>(cell);
97 return thisObject->target()->methodTable(globalObject->vm())->deleteProperty(thisObject->target(), globalObject, propertyName);
98}
99
100bool JSProxy::isExtensible(JSObject* object, JSGlobalObject* globalObject)
101{
102 JSProxy* thisObject = jsCast<JSProxy*>(object);
103 return thisObject->target()->methodTable(globalObject->vm())->isExtensible(thisObject->target(), globalObject);
104}
105
106bool JSProxy::preventExtensions(JSObject* object, JSGlobalObject* globalObject)
107{
108 JSProxy* thisObject = jsCast<JSProxy*>(object);
109 return thisObject->target()->methodTable(globalObject->vm())->preventExtensions(thisObject->target(), globalObject);
110}
111
112bool JSProxy::deletePropertyByIndex(JSCell* cell, JSGlobalObject* globalObject, unsigned propertyName)
113{
114 JSProxy* thisObject = jsCast<JSProxy*>(cell);
115 return thisObject->target()->methodTable(globalObject->vm())->deletePropertyByIndex(thisObject->target(), globalObject, propertyName);
116}
117
118void JSProxy::getPropertyNames(JSObject* object, JSGlobalObject* globalObject, PropertyNameArray& propertyNames, EnumerationMode mode)
119{
120 JSProxy* thisObject = jsCast<JSProxy*>(object);
121 thisObject->target()->methodTable(globalObject->vm())->getPropertyNames(thisObject->target(), globalObject, propertyNames, mode);
122}
123
124uint32_t JSProxy::getEnumerableLength(JSGlobalObject* globalObject, JSObject* object)
125{
126 JSProxy* thisObject = jsCast<JSProxy*>(object);
127 return thisObject->target()->methodTable(globalObject->vm())->getEnumerableLength(globalObject, thisObject->target());
128}
129
130void JSProxy::getStructurePropertyNames(JSObject*, JSGlobalObject*, PropertyNameArray&, EnumerationMode)
131{
132 // Skip the structure loop, since it is invalid for proxies.
133}
134
135void JSProxy::getGenericPropertyNames(JSObject* object, JSGlobalObject* globalObject, PropertyNameArray& propertyNames, EnumerationMode mode)
136{
137 JSProxy* thisObject = jsCast<JSProxy*>(object);
138 // Get *all* of the property names, not just the generic ones, since we skipped the structure
139 // ones above.
140 thisObject->target()->methodTable(globalObject->vm())->getPropertyNames(thisObject->target(), globalObject, propertyNames, mode);
141}
142
143void JSProxy::getOwnPropertyNames(JSObject* object, JSGlobalObject* globalObject, PropertyNameArray& propertyNames, EnumerationMode mode)
144{
145 JSProxy* thisObject = jsCast<JSProxy*>(object);
146 thisObject->target()->methodTable(globalObject->vm())->getOwnPropertyNames(thisObject->target(), globalObject, propertyNames, mode);
147}
148
149bool JSProxy::setPrototype(JSObject* object, JSGlobalObject* globalObject, JSValue prototype, bool shouldThrowIfCantSet)
150{
151 JSProxy* thisObject = jsCast<JSProxy*>(object);
152 return thisObject->target()->methodTable(globalObject->vm())->setPrototype(thisObject->target(), globalObject, prototype, shouldThrowIfCantSet);
153}
154
155JSValue JSProxy::getPrototype(JSObject* object, JSGlobalObject* globalObject)
156{
157 JSProxy* thisObject = jsCast<JSProxy*>(object);
158 return thisObject->target()->methodTable(globalObject->vm())->getPrototype(thisObject->target(), globalObject);
159}
160
161} // namespace JSC
162