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
|
/*
* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/ScopeGuard.h>
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/ArrayBuffer.h>
#include <LibJS/Runtime/BigInt.h>
#include <LibJS/Runtime/TypedArray.h>
#include <LibWasm/AbstractMachine/Interpreter.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/WebAssembly/WebAssemblyInstanceObject.h>
#include <LibWeb/WebAssembly/WebAssemblyMemoryPrototype.h>
#include <LibWeb/WebAssembly/WebAssemblyObject.h>
#include <LibWeb/WebAssembly/WebAssemblyTableObject.h>
namespace Web::Bindings {
WebAssemblyInstanceObject::WebAssemblyInstanceObject(JS::Realm& realm, size_t index)
: Object(ConstructWithPrototypeTag::Tag, Bindings::ensure_web_prototype<WebAssemblyInstancePrototype>(realm, "WebAssemblyInstancePrototype"))
, m_index(index)
{
}
void WebAssemblyInstanceObject::initialize(JS::Realm& realm)
{
Object::initialize(realm);
auto& vm = this->vm();
VERIFY(!m_exports_object);
m_exports_object = create(realm, nullptr);
auto& instance = this->instance();
auto& cache = this->cache();
for (auto& export_ : instance.exports()) {
export_.value().visit(
[&](Wasm::FunctionAddress const& address) {
Optional<JS::FunctionObject*> object = cache.function_instances.get(address);
if (!object.has_value()) {
object = create_native_function(vm, address, export_.name());
cache.function_instances.set(address, *object);
}
m_exports_object->define_direct_property(export_.name(), *object, JS::default_attributes);
},
[&](Wasm::MemoryAddress const& address) {
Optional<WebAssemblyMemoryObject*> object = cache.memory_instances.get(address);
if (!object.has_value()) {
object = heap().allocate<Web::Bindings::WebAssemblyMemoryObject>(realm, realm, address);
cache.memory_instances.set(address, *object);
}
m_exports_object->define_direct_property(export_.name(), *object, JS::default_attributes);
},
[&](Wasm::TableAddress const& address) {
Optional<WebAssemblyTableObject*> object = cache.table_instances.get(address);
if (!object.has_value()) {
object = heap().allocate<Web::Bindings::WebAssemblyTableObject>(realm, realm, address);
cache.table_instances.set(address, *object);
}
m_exports_object->define_direct_property(export_.name(), *object, JS::default_attributes);
},
[&](auto const&) {
// FIXME: Implement other exports!
});
}
MUST(m_exports_object->set_integrity_level(IntegrityLevel::Frozen));
}
void WebAssemblyInstanceObject::visit_edges(Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_exports_object);
}
}
|
