1/*
2 * Copyright (C) 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. ``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 "WebCoreJSClientData.h"
28
29#include "DOMGCOutputConstraint.h"
30#include "JSDOMBinding.h"
31#include <JavaScriptCore/FastMallocAlignedMemoryAllocator.h>
32#include <JavaScriptCore/HeapInlines.h>
33#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
34#include <JavaScriptCore/MarkingConstraint.h>
35#include <JavaScriptCore/SubspaceInlines.h>
36#include <JavaScriptCore/VM.h>
37#include "runtime_method.h"
38#include <wtf/MainThread.h>
39
40namespace WebCore {
41using namespace JSC;
42
43JSVMClientData::JSVMClientData(VM& vm)
44 : m_builtinFunctions(vm)
45 , m_builtinNames(&vm)
46 , m_runtimeMethodSpace ISO_SUBSPACE_INIT(vm.heap, vm.destructibleObjectHeapCellType.get(), RuntimeMethod)
47 , m_outputConstraintSpace("WebCore Wrapper w/ Output Constraint", vm.heap, vm.destructibleObjectHeapCellType.get(), vm.fastMallocAllocator.get())
48 , m_globalObjectOutputConstraintSpace("WebCore Global Object w/ Output Constraint", vm.heap, vm.cellHeapCellType.get(), vm.fastMallocAllocator.get())
49{
50}
51
52JSVMClientData::~JSVMClientData()
53{
54 ASSERT(m_worldSet.contains(m_normalWorld.get()));
55 ASSERT(m_worldSet.size() == 1);
56 ASSERT(m_normalWorld->hasOneRef());
57 m_normalWorld = nullptr;
58 ASSERT(m_worldSet.isEmpty());
59}
60
61void JSVMClientData::getAllWorlds(Vector<Ref<DOMWrapperWorld>>& worlds)
62{
63 ASSERT(worlds.isEmpty());
64
65 worlds.reserveInitialCapacity(m_worldSet.size());
66 for (auto it = m_worldSet.begin(), end = m_worldSet.end(); it != end; ++it)
67 worlds.uncheckedAppend(*(*it));
68}
69
70void JSVMClientData::initNormalWorld(VM* vm)
71{
72 JSVMClientData* clientData = new JSVMClientData(*vm);
73 vm->clientData = clientData; // ~VM deletes this pointer.
74
75 vm->heap.addMarkingConstraint(std::make_unique<DOMGCOutputConstraint>(*vm, *clientData));
76
77 clientData->m_normalWorld = DOMWrapperWorld::create(*vm, true);
78 vm->m_typedArrayController = adoptRef(new WebCoreTypedArrayController());
79}
80
81} // namespace WebCore
82
83