LibWeb/WebAssembly: Implement Module::imports(module)

This commit is contained in:
Ali Mohammad Pur 2025-04-22 10:57:59 +02:00 committed by Andrew Kaster
parent 3a6b6a732e
commit f984c1cc51
Notes: github-actions[bot] 2025-04-22 14:45:11 +00:00
3 changed files with 52 additions and 6 deletions

View file

@ -33,6 +33,39 @@ WebIDL::ExceptionOr<GC::Ref<Module>> Module::construct_impl(JS::Realm& realm, GC
return realm.create<Module>(realm, move(compiled_module));
}
// https://webassembly.github.io/threads/js-api/index.html#dom-module-imports
WebIDL::ExceptionOr<Vector<ModuleImportDescriptor>> Module::imports(JS::VM&, GC::Ref<Module> module_object)
{
// 1. Let module be moduleObject.[[Module]].
// 2. Let imports be « ».
Vector<ModuleImportDescriptor> import_objects;
// 3. For each (moduleName, name, type) of module_imports(module),
auto& imports = module_object->m_compiled_module->module->import_section().imports();
import_objects.ensure_capacity(imports.size());
for (auto& import : imports) {
// 3.1. Let kind be the string value of the extern type type.
auto const kind = import.description().visit(
[](Wasm::TypeIndex) { return Bindings::ImportExportKind::Function; },
[](Wasm::TableType) { return Bindings::ImportExportKind::Table; },
[](Wasm::MemoryType) { return Bindings::ImportExportKind::Memory; },
[](Wasm::GlobalType) { return Bindings::ImportExportKind::Global; },
[](Wasm::FunctionType) { return Bindings::ImportExportKind::Function; });
// 3.2. Let obj be «[ "module" → moduleName, "name" → name, "kind" → kind ]».
ModuleImportDescriptor descriptor {
.module = String::from_utf8_with_replacement_character(import.module()),
.name = String::from_utf8_with_replacement_character(import.name()),
.kind = kind,
};
// 3.3. Append obj to imports.
import_objects.append(move(descriptor));
}
// 4. Return imports.
return import_objects;
}
Module::Module(JS::Realm& realm, NonnullRefPtr<Detail::CompiledWebAssemblyModule> compiled_module)
: Bindings::PlatformObject(realm)
, m_compiled_module(move(compiled_module))