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LibJS: Convert MapIterator.prototype to be a PrototypeObject

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Timothy Flynn 2021-09-11 16:27:22 -04:00 • committed by Andreas Kling
parent 77efecadf7
commit f5c988b3ce
Notes: sideshowbarker 2024-07-18 04:12:49 +09:00
2 changed files with 14 additions and 17 deletions
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24
Userland/Libraries/LibJS/Runtime/MapIteratorPrototype.cpp
View file

@ -9,13 +9,12 @@
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/IteratorOperations.h>
#include <LibJS/Runtime/MapIterator.h>
#include <LibJS/Runtime/MapIteratorPrototype.h>
namespace JS {
MapIteratorPrototype::MapIteratorPrototype(GlobalObject& global_object)
: Object(*global_object.iterator_prototype())
: PrototypeObject(*global_object.iterator_prototype())
{
}
@ -35,26 +34,23 @@ MapIteratorPrototype::~MapIteratorPrototype()
// 24.1.5.2.1 %MapIteratorPrototype%.next ( ), https://tc39.es/ecma262/#sec-%mapiteratorprototype%.next
JS_DEFINE_NATIVE_FUNCTION(MapIteratorPrototype::next)
{
auto this_value = vm.this_value(global_object);
if (!this_value.is_object() || !is<MapIterator>(this_value.as_object())) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotAnObjectOfType, "Map Iterator");
auto* map_iterator = typed_this_value(global_object);
if (vm.exception())
return {};
}
auto& map_iterator = static_cast<MapIterator&>(this_value.as_object());
if (map_iterator.done())
if (map_iterator->done())
return create_iterator_result_object(global_object, js_undefined(), true);
auto& map = map_iterator.map();
if (map_iterator.m_iterator == map.entries().end()) {
map_iterator.m_done = true;
auto& map = map_iterator->map();
if (map_iterator->m_iterator == map.entries().end()) {
map_iterator->m_done = true;
return create_iterator_result_object(global_object, js_undefined(), true);
}
auto iteration_kind = map_iterator.iteration_kind();
auto iteration_kind = map_iterator->iteration_kind();
auto entry = *map_iterator.m_iterator;
++map_iterator.m_iterator;
auto entry = *map_iterator->m_iterator;
++map_iterator->m_iterator;
if (iteration_kind == Object::PropertyKind::Key)
return create_iterator_result_object(global_object, entry.key, false);
else if (iteration_kind == Object::PropertyKind::Value)

7
Userland/Libraries/LibJS/Runtime/MapIteratorPrototype.h
View file

@ -6,12 +6,13 @@
#pragma once
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/MapIterator.h>
#include <LibJS/Runtime/PrototypeObject.h>
namespace JS {
class MapIteratorPrototype final : public Object {
JS_OBJECT(MapIteratorPrototype, Object)
class MapIteratorPrototype final : public PrototypeObject<MapIteratorPrototype, MapIterator> {
JS_PROTOTYPE_OBJECT(MapIteratorPrototype, MapIterator, MapIterator);
public:
MapIteratorPrototype(GlobalObject&);