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LibJS: Add parsing and evaluation of private fields and methods

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This commit is contained in:
davidot
2021-10-12 22:45:52 +02:00
committed by Linus Groh
parent c7a6572789
commit 16cc82460f
9 changed files with 368 additions and 69 deletions
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16
Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp
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@@ -276,8 +276,8 @@ void ECMAScriptFunctionObject::visit_edges(Visitor& visitor)
visitor.visit(m_home_object);
for (auto& field : m_fields) {
if (field.name.is_symbol())
visitor.visit(field.name.as_symbol());
if (auto* property_name_ptr = field.name.get_pointer<PropertyName>(); property_name_ptr && property_name_ptr->is_symbol())
visitor.visit(property_name_ptr->as_symbol());
visitor.visit(field.initializer);
}
@@ -729,17 +729,9 @@ void ECMAScriptFunctionObject::set_name(const FlyString& name)
VERIFY(success);
}
// 7.3.31 DefineField ( receiver, fieldRecord ), https://tc39.es/ecma262/#sec-definefield
void ECMAScriptFunctionObject::InstanceField::define_field(VM& vm, Object& receiver) const
void ECMAScriptFunctionObject::add_field(ClassElement::ClassElementName property_key, ECMAScriptFunctionObject* initializer)
{
Value init_value = js_undefined();
if (initializer) {
auto init_value_or_error = vm.call(*initializer, receiver.value_of());
if (init_value_or_error.is_error())
return;
init_value = init_value_or_error.release_value();
}
(void)receiver.create_data_property_or_throw(name, init_value);
m_fields.empend(property_key, initializer);
}
}