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/*
* 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/Function.h>
#include <LibJS/Runtime/Function.h>
namespace JS {
class NativeFunction : public Function {
JS_OBJECT(NativeFunction, Function);
public:
static NativeFunction* create(Interpreter&, GlobalObject&, const FlyString& name, AK::Function<Value(Interpreter&, GlobalObject&)>);
explicit NativeFunction(const FlyString& name, AK::Function<Value(Interpreter&, GlobalObject&)>, Object& prototype);
virtual void initialize(Interpreter&, GlobalObject&) override { }
virtual ~NativeFunction() override;
virtual Value call(Interpreter&) override;
virtual Value construct(Interpreter&) override;
virtual const FlyString& name() const override { return m_name; };
virtual bool has_constructor() const { return false; }
protected:
NativeFunction(const FlyString& name, Object& prototype);
explicit NativeFunction(Object& prototype);
private:
virtual bool is_native_function() const override { return true; }
virtual LexicalEnvironment* create_environment() override final { return nullptr; }
FlyString m_name;
AK::Function<Value(Interpreter&, GlobalObject&)> m_native_function;
};
}
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