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LibJS: Add support for public fields in classes

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davidot 2021-08-28 17:11:05 +02:00 • committed by Linus Groh
parent 3b6a8d1d53
commit def8b44c40
9 changed files with 265 additions and 11 deletions
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20
Userland/Libraries/LibJS/Runtime/FunctionObject.cpp
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@ -66,6 +66,23 @@ BoundFunction* FunctionObject::bind(Value bound_this_value, Vector<Value> argume
return heap().allocate<BoundFunction>(global_object(), global_object(), target_function, bound_this_object, move(all_bound_arguments), computed_length, constructor_prototype);
}
void FunctionObject::add_field(StringOrSymbol property_key, FunctionObject* initializer)
{
m_fields.empend(property_key, initializer);
}
// 7.3.31 DefineField ( receiver, fieldRecord ), https://tc39.es/ecma262/#sec-definefield
void FunctionObject::InstanceField::define_field(VM& vm, Object& receiver) const
{
Value init_value = js_undefined();
if (initializer) {
init_value = vm.call(*initializer, receiver.value_of());
if (vm.exception())
return;
}
receiver.create_data_property_or_throw(name, init_value);
}
void FunctionObject::visit_edges(Visitor& visitor)
{
Object::visit_edges(visitor);
@ -75,6 +92,9 @@ void FunctionObject::visit_edges(Visitor& visitor)
for (auto argument : m_bound_arguments)
visitor.visit(argument);
for (auto& field : m_fields)
visitor.visit(field.initializer);
}
}