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https://github.com/LadybirdBrowser/ladybird.git
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ecd163bdf1
No functional changes - we can still very easily get to the global object via `Realm::global_object()`. This is in preparation of moving the intrinsics to the realm and no longer having to pass a global object when allocating any object. In a few (now, and many more in subsequent commits) places we get a realm using `GlobalObject::associated_realm()`, this is intended to be temporary. For example, create() functions will later receive the same treatment and are passed a realm instead of a global object.
68 lines
2.5 KiB
C++
68 lines
2.5 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/Bindings/WindowObject.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::Bindings::WindowObject&>(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::GlobalObject& global_object)
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{
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Object::initialize(global_object);
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auto& realm = *global_object.associated_realm();
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VERIFY(!m_exports_object);
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m_exports_object = create(global_object, 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(global_object, 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>(global_object, 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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