ladybird/Libraries/LibWeb/WebAssembly/WebAssemblyModule.h
Glenn Skrzypczak e5dab9e1c7 LibWeb: Support WASM modules
This adds support for importing WASM modules in JavaScript and vice
versa.
2026-04-03 21:21:09 +02:00

47 lines
1.8 KiB
C++

/*
* Copyright (c) 2025, Glenn Skrzypczak <glenn.skrzypczak@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/CyclicModule.h>
#include <LibJS/Export.h>
#include <LibWasm/AbstractMachine/AbstractMachine.h>
#include <LibWeb/Forward.h>
namespace Web::WebAssembly {
// 16.2.1.6 Source Text Module Records, https://tc39.es/ecma262/#sec-source-text-module-records
class WebAssemblyModule final : public JS::CyclicModule {
GC_CELL(WebAssemblyModule, JS::CyclicModule);
GC_DECLARE_ALLOCATOR(WebAssemblyModule);
public:
virtual ~WebAssemblyModule() override;
static JS::ThrowCompletionOr<GC::Ref<WebAssemblyModule>> parse(ByteBuffer bytes, JS::Realm&, StringView filename = {}, JS::Script::HostDefined* host_defined = nullptr);
Vector<Utf16FlyString> export_name_list();
virtual Vector<Utf16FlyString> get_exported_names(JS::VM& vm, HashTable<Module const*>& export_star_set) override;
virtual JS::ResolvedBinding resolve_export(JS::VM& vm, Utf16FlyString const& export_name, Vector<JS::ResolvedBinding> resolve_set = {}) override;
protected:
virtual JS::ThrowCompletionOr<void> initialize_environment(JS::VM& vm) override;
virtual JS::ThrowCompletionOr<void> execute_module(JS::VM& vm, GC::Ptr<JS::PromiseCapability> capability) override;
private:
WebAssemblyModule(JS::Realm&, StringView filename, WebAssembly::Module& module_source, JS::Script::HostDefined* host_defined, Vector<JS::ModuleRequest> requested_modules);
virtual void visit_edges(Cell::Visitor&) override;
GC::Ptr<Instance> m_instance; // [[Instance]]
GC::Ref<WebAssembly::Module> m_module_source; // [[ModuleSource]]
GC::Ptr<WebAssemblyModule> m_module_record; // [[ModuleRecord]]
Optional<Vector<Utf16FlyString>> m_cached_export_name_list;
};
}