ladybird/Userland/Libraries/LibJS/Runtime/Set.cpp
Idan Horowitz ad0e3c0e54 LibJS: Mark heap cell values stored in Set instances
This makes sure they dont get garbage collected while stored in a Set.
2021-06-09 17:05:53 +01:00

44 lines
904 B
C++

/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Set.h>
namespace JS {
Set* Set::create(GlobalObject& global_object)
{
return global_object.heap().allocate<Set>(global_object, *global_object.set_prototype());
}
Set::Set(Object& prototype)
: Object(prototype)
{
}
Set::~Set()
{
}
Set* Set::typed_this(VM& vm, GlobalObject& global_object)
{
auto* this_object = vm.this_value(global_object).to_object(global_object);
if (!this_object)
return {};
if (!is<Set>(this_object)) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotA, "Set");
return nullptr;
}
return static_cast<Set*>(this_object);
}
void Set::visit_edges(Cell::Visitor& visitor)
{
Object::visit_edges(visitor);
for (auto& value : m_values)
visitor.visit(value);
}
}