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LibJS: Implement import.meta for bytecode
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8 changed files with 78 additions and 49 deletions
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@ -3492,7 +3492,6 @@ Completion MetaProperty::execute(Interpreter& interpreter) const
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{
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InterpreterNodeScope node_scope { interpreter, *this };
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auto& vm = interpreter.vm();
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auto& realm = *vm.current_realm();
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// NewTarget : new . target
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if (m_type == MetaProperty::Type::NewTarget) {
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@ -3502,49 +3501,7 @@ Completion MetaProperty::execute(Interpreter& interpreter) const
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// ImportMeta : import . meta
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if (m_type == MetaProperty::Type::ImportMeta) {
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// 1. Let module be GetActiveScriptOrModule().
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auto script_or_module = interpreter.vm().get_active_script_or_module();
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// 2. Assert: module is a Source Text Module Record.
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VERIFY(script_or_module.has<NonnullGCPtr<Module>>());
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VERIFY(script_or_module.get<NonnullGCPtr<Module>>());
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VERIFY(is<SourceTextModule>(*script_or_module.get<NonnullGCPtr<Module>>()));
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auto& module = static_cast<SourceTextModule&>(*script_or_module.get<NonnullGCPtr<Module>>());
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// 3. Let importMeta be module.[[ImportMeta]].
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auto* import_meta = module.import_meta();
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// 4. If importMeta is empty, then
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if (import_meta == nullptr) {
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// a. Set importMeta to OrdinaryObjectCreate(null).
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import_meta = Object::create(realm, nullptr);
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// b. Let importMetaValues be HostGetImportMetaProperties(module).
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auto import_meta_values = interpreter.vm().host_get_import_meta_properties(module);
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// c. For each Record { [[Key]], [[Value]] } p of importMetaValues, do
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for (auto& entry : import_meta_values) {
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// i. Perform ! CreateDataPropertyOrThrow(importMeta, p.[[Key]], p.[[Value]]).
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MUST(import_meta->create_data_property_or_throw(entry.key, entry.value));
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}
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// d. Perform HostFinalizeImportMeta(importMeta, module).
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interpreter.vm().host_finalize_import_meta(import_meta, module);
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// e. Set module.[[ImportMeta]] to importMeta.
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module.set_import_meta({}, import_meta);
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// f. Return importMeta.
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return Value { import_meta };
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}
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// 5. Else,
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else {
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// a. Assert: Type(importMeta) is Object.
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// Note: This is always true by the type.
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// b. Return importMeta.
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return Value { import_meta };
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}
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return Value(vm.get_import_meta());
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}
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VERIFY_NOT_REACHED();
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