6f433c8656
This is a monster patch that turns all EventTargets into GC-allocated PlatformObjects. Their C++ wrapper classes are removed, and the LibJS garbage collector is now responsible for their lifetimes. There's a fair amount of hacks and band-aids in this patch, and we'll have a lot of cleanup to do after this.
68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
/*
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* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ScopeGuard.h>
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#include <LibJS/Runtime/Array.h>
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#include <LibJS/Runtime/ArrayBuffer.h>
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#include <LibJS/Runtime/BigInt.h>
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#include <LibJS/Runtime/TypedArray.h>
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#include <LibWasm/AbstractMachine/Interpreter.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/WebAssembly/WebAssemblyInstanceObject.h>
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#include <LibWeb/WebAssembly/WebAssemblyMemoryPrototype.h>
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#include <LibWeb/WebAssembly/WebAssemblyObject.h>
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namespace Web::Bindings {
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WebAssemblyInstanceObject::WebAssemblyInstanceObject(JS::Realm& realm, size_t index)
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: Object(static_cast<Web::HTML::Window&>(realm.global_object()).ensure_web_prototype<WebAssemblyInstancePrototype>("WebAssemblyInstancePrototype"))
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, m_index(index)
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{
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}
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void WebAssemblyInstanceObject::initialize(JS::Realm& realm)
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{
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Object::initialize(realm);
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auto& vm = this->vm();
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VERIFY(!m_exports_object);
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m_exports_object = create(realm, nullptr);
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auto& instance = this->instance();
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auto& cache = this->cache();
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for (auto& export_ : instance.exports()) {
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export_.value().visit(
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[&](Wasm::FunctionAddress const& address) {
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Optional<JS::FunctionObject*> object = cache.function_instances.get(address);
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if (!object.has_value()) {
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object = create_native_function(vm, address, export_.name());
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cache.function_instances.set(address, *object);
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}
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m_exports_object->define_direct_property(export_.name(), *object, JS::default_attributes);
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},
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[&](Wasm::MemoryAddress const& address) {
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Optional<WebAssemblyMemoryObject*> object = cache.memory_instances.get(address);
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if (!object.has_value()) {
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object = heap().allocate<Web::Bindings::WebAssemblyMemoryObject>(realm, realm, address);
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cache.memory_instances.set(address, *object);
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}
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m_exports_object->define_direct_property(export_.name(), *object, JS::default_attributes);
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},
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[&](auto const&) {
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// FIXME: Implement other exports!
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});
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}
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MUST(m_exports_object->set_integrity_level(IntegrityLevel::Frozen));
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}
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void WebAssemblyInstanceObject::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_exports_object);
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}
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}
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