/*
 * Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/ScriptFunction.h>

namespace JS {

class GeneratorObject final : public Object {
    JS_OBJECT(GeneratorObject, Object);

public:
    static GeneratorObject* create(GlobalObject&, Value, ScriptFunction*, ScopeObject*, Bytecode::RegisterWindow);
    explicit GeneratorObject(GlobalObject&);
    virtual void initialize(GlobalObject&) override;
    virtual ~GeneratorObject() override;
    void visit_edges(Cell::Visitor&) override;

    static GeneratorObject* typed_this(VM&, GlobalObject&);

private:
    JS_DECLARE_NATIVE_FUNCTION(next);
    JS_DECLARE_NATIVE_FUNCTION(return_);
    JS_DECLARE_NATIVE_FUNCTION(throw_);

    Value next_impl(VM&, GlobalObject&, Optional<Value> value_to_throw);

    ScopeObject* m_scope { nullptr };
    ScriptFunction* m_generating_function { nullptr };
    Value m_previous_value;
    Bytecode::RegisterWindow m_frame;
    bool m_done { false };
};

}