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LibJS: Implement and use the InitializeBoundName AO

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This commit is contained in:
Linus Groh 2021-12-29 10:23:18 +01:00
parent ca48151147
commit df931e6a83
4 changed files with 28 additions and 13 deletions
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25
Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp
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@ -199,6 +199,31 @@ ThrowCompletionOr<Realm*> get_function_realm(GlobalObject& global_object, Functi
return vm.current_realm();
}
// 8.5.2.1 InitializeBoundName ( name, value, environment ), 8.5.2.1 InitializeBoundName ( name, value, environment )
ThrowCompletionOr<void> initialize_bound_name(GlobalObject& global_object, FlyString const& name, Value value, Environment* environment)
{
auto& vm = global_object.vm();
// 1. If environment is not undefined, then
if (environment) {
// a. Perform environment.InitializeBinding(name, value).
MUST(environment->initialize_binding(global_object, name, value));
// b. Return NormalCompletion(undefined).
return {};
}
// 2. Else,
else {
// a. Let lhs be ResolveBinding(name).
auto lhs = vm.resolve_binding(name);
// b. Return ? PutValue(lhs, value).
return TRY(lhs.put_value(global_object, value));
}
VERIFY_NOT_REACHED();
}
// 10.1.6.2 IsCompatiblePropertyDescriptor ( Extensible, Desc, Current ), https://tc39.es/ecma262/#sec-iscompatiblepropertydescriptor
bool is_compatible_property_descriptor(bool extensible, PropertyDescriptor const& descriptor, Optional<PropertyDescriptor> const& current)
{