ladybird/Userland/Libraries/LibJS/Runtime/Array.h
Idan Horowitz c351b4ad0d LibJS: Stop using a native property for Array lengths
Specifically, replace it with a specification-based implementation that
overrides the internal methods that interact with the length property
instead.
2021-07-07 10:14:44 +01:00

36 lines
1,000 B
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/Object.h>
namespace JS {
class Array : public Object {
JS_OBJECT(Array, Object);
public:
static Array* create(GlobalObject&, size_t length, Object* prototype = nullptr);
static Array* create_from(GlobalObject&, Vector<Value> const&);
explicit Array(Object& prototype);
virtual ~Array() override;
virtual Optional<PropertyDescriptor> internal_get_own_property(PropertyName const&) const override;
virtual bool internal_define_own_property(PropertyName const&, PropertyDescriptor const&) override;
virtual bool internal_delete(PropertyName const&) override;
virtual MarkedValueList internal_own_property_keys() const override;
[[nodiscard]] bool length_is_writable() const { return m_length_writable; };
private:
bool set_length(PropertyDescriptor const&);
bool m_length_writable { true };
};
}