forked from WebKit/WebKit
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathJSWebAssemblyArray.cpp
More file actions
126 lines (107 loc) · 4.41 KB
/
JSWebAssemblyArray.cpp
File metadata and controls
126 lines (107 loc) · 4.41 KB
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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
/*
* Copyright (C) 2022 Igalia S.L. All rights reserved.
* Copyright (C) 2023 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. ``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
* 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.
*/
#include "config.h"
#include "JSWebAssemblyArray.h"
#if ENABLE(WEBASSEMBLY)
#include "JSCInlines.h"
#include "TypeError.h"
#include "WasmFormat.h"
#include "WasmTypeDefinition.h"
namespace JSC {
const ClassInfo JSWebAssemblyArray::s_info = { "WebAssembly.Array"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWebAssemblyArray) };
Structure* JSWebAssemblyArray::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(WebAssemblyGCObjectType, StructureFlags), info());
}
JSWebAssemblyArray::JSWebAssemblyArray(VM& vm, Structure* structure, Wasm::FieldType elementType, size_t size, FixedVector<uint8_t>&& payload, RefPtr<const Wasm::RTT> rtt)
: Base(vm, structure, rtt)
, m_elementType(elementType)
, m_size(size)
, m_payload8(WTFMove(payload))
{
}
JSWebAssemblyArray::JSWebAssemblyArray(VM& vm, Structure* structure, Wasm::FieldType elementType, size_t size, FixedVector<uint16_t>&& payload, RefPtr<const Wasm::RTT> rtt)
: Base(vm, structure, rtt)
, m_elementType(elementType)
, m_size(size)
, m_payload16(WTFMove(payload))
{
}
JSWebAssemblyArray::JSWebAssemblyArray(VM& vm, Structure* structure, Wasm::FieldType elementType, size_t size, FixedVector<uint32_t>&& payload, RefPtr<const Wasm::RTT> rtt)
: Base(vm, structure, rtt)
, m_elementType(elementType)
, m_size(size)
, m_payload32(WTFMove(payload))
{
}
JSWebAssemblyArray::JSWebAssemblyArray(VM& vm, Structure* structure, Wasm::FieldType elementType, size_t size, FixedVector<uint64_t>&& payload, RefPtr<const Wasm::RTT> rtt)
: Base(vm, structure, rtt)
, m_elementType(elementType)
, m_size(size)
, m_payload64(WTFMove(payload))
{
}
JSWebAssemblyArray::~JSWebAssemblyArray()
{
if (m_elementType.type.is<Wasm::PackedType>()) {
switch (m_elementType.type.as<Wasm::PackedType>()) {
case Wasm::PackedType::I8:
m_payload8.~FixedVector<uint8_t>();
break;
case Wasm::PackedType::I16:
m_payload16.~FixedVector<uint16_t>();
break;
}
return;
}
switch (m_elementType.type.as<Wasm::Type>().kind) {
case Wasm::TypeKind::I32:
case Wasm::TypeKind::F32:
m_payload32.~FixedVector<uint32_t>();
break;
default:
m_payload64.~FixedVector<uint64_t>();
break;
}
}
void JSWebAssemblyArray::destroy(JSCell* cell)
{
static_cast<JSWebAssemblyArray*>(cell)->JSWebAssemblyArray::~JSWebAssemblyArray();
}
template<typename Visitor>
void JSWebAssemblyArray::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
JSWebAssemblyArray* thisObject = jsCast<JSWebAssemblyArray*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
if (isRefType(thisObject->elementType().type)) {
for (unsigned i = 0; i < thisObject->size(); ++i)
visitor.append(bitwise_cast<WriteBarrier<Unknown>>(thisObject->get(i)));
}
}
DEFINE_VISIT_CHILDREN(JSWebAssemblyArray);
} // namespace JSC
#endif // ENABLE(WEBASSEMBLY)