1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-23 20:15:06 +00:00
serenity/Libraries/LibJS/Object.h
Andreas Kling 23b1d97b0d LibJS: Add ObjectPrototype and implement hasOwnProperty()
All Objects will now have ObjectPrototype as their prototype, unless
overridden.
2020-03-15 15:25:43 +01:00

64 lines
2.4 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/HashMap.h>
#include <LibJS/Cell.h>
#include <LibJS/Forward.h>
#include <LibJS/Cell.h>
namespace JS {
class Object : public Cell {
public:
Object();
virtual ~Object();
Value get(String property_name) const;
void put(String property_name, Value);
void put_native_function(String property_name, AK::Function<Value(Interpreter&, Vector<Value>)>);
virtual bool is_function() const { return false; }
virtual bool is_native_function() const { return false; }
virtual bool is_string_object() const { return false; }
virtual const char* class_name() const override { return "Object"; }
virtual void visit_children(Cell::Visitor&) override;
Object* prototype() { return m_prototype; }
const Object* prototype() const { return m_prototype; }
void set_prototype(Object* prototype) { m_prototype = prototype; }
bool has_own_property(const String& property_name) const;
private:
HashMap<String, Value> m_properties;
Object* m_prototype { nullptr };
};
}