ladybird/Userland/Libraries/LibJS/Runtime/MapIterator.cpp
Ali Mohammad Pur 4a73ec07c5 LibJS: Make Map iterators independent of the underlying hashmap
This implements ordered maps as a pair of an RBTree for key order, and
an underlying unordered hash map for storage.
Fixes (part of) #11004.
2022-02-09 20:57:41 +00:00

35 lines
846 B
C++

/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/MapIterator.h>
namespace JS {
MapIterator* MapIterator::create(GlobalObject& global_object, Map& map, Object::PropertyKind iteration_kind)
{
return global_object.heap().allocate<MapIterator>(global_object, map, iteration_kind, *global_object.map_iterator_prototype());
}
MapIterator::MapIterator(Map& map, Object::PropertyKind iteration_kind, Object& prototype)
: Object(prototype)
, m_map(map)
, m_iteration_kind(iteration_kind)
, m_iterator(static_cast<Map const&>(map).begin())
{
}
MapIterator::~MapIterator()
{
}
void MapIterator::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(&m_map);
}
}