1/*
2 * Copyright (C) 2016 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#include "config.h"
27#include "ProxyRevoke.h"
28
29#include "JSCInlines.h"
30#include "ProxyObject.h"
31
32namespace JSC {
33
34STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(ProxyRevoke);
35
36const ClassInfo ProxyRevoke::s_info = { "ProxyRevoke", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(ProxyRevoke) };
37
38ProxyRevoke* ProxyRevoke::create(VM& vm, Structure* structure, ProxyObject* proxy)
39{
40 ProxyRevoke* revoke = new (NotNull, allocateCell<ProxyRevoke>(vm.heap)) ProxyRevoke(vm, structure);
41 revoke->finishCreation(vm, proxy);
42 return revoke;
43}
44
45static EncodedJSValue JSC_HOST_CALL performProxyRevoke(JSGlobalObject*, CallFrame*);
46
47ProxyRevoke::ProxyRevoke(VM& vm, Structure* structure)
48 : Base(vm, structure, performProxyRevoke, nullptr)
49{
50}
51
52void ProxyRevoke::finishCreation(VM& vm, ProxyObject* proxy)
53{
54 Base::finishCreation(vm, emptyString());
55 m_proxy.set(vm, this, proxy);
56
57 putDirect(vm, vm.propertyNames->length, jsNumber(0), PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum);
58}
59
60static EncodedJSValue JSC_HOST_CALL performProxyRevoke(JSGlobalObject* globalObject, CallFrame* callFrame)
61{
62 ProxyRevoke* proxyRevoke = jsCast<ProxyRevoke*>(callFrame->jsCallee());
63 JSValue proxyValue = proxyRevoke->proxy();
64 if (proxyValue.isNull())
65 return JSValue::encode(jsUndefined());
66
67 ProxyObject* proxy = jsCast<ProxyObject*>(proxyValue);
68 VM& vm = globalObject->vm();
69 proxy->revoke(vm);
70 proxyRevoke->setProxyToNull(vm);
71 return JSValue::encode(jsUndefined());
72}
73
74void ProxyRevoke::visitChildren(JSCell* cell, SlotVisitor& visitor)
75{
76 ProxyRevoke* thisObject = jsCast<ProxyRevoke*>(cell);
77 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
78 Base::visitChildren(thisObject, visitor);
79
80 visitor.append(thisObject->m_proxy);
81}
82
83} // namespace JSC
84