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62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/Function.h>
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#include <LibJS/Runtime/Function.h>
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namespace JS {
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class NativeFunction : public Function {
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JS_OBJECT(NativeFunction, Function);
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public:
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static NativeFunction* create(GlobalObject&, const FlyString& name, AK::Function<Value(VM&, GlobalObject&)>);
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explicit NativeFunction(const FlyString& name, AK::Function<Value(VM&, GlobalObject&)>, Object& prototype);
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virtual void initialize(GlobalObject&) override { }
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virtual ~NativeFunction() override;
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virtual Value call() override;
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virtual Value construct(Function& new_target) override;
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virtual const FlyString& name() const override { return m_name; };
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virtual bool has_constructor() const { return false; }
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protected:
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NativeFunction(const FlyString& name, Object& prototype);
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explicit NativeFunction(Object& prototype);
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private:
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virtual bool is_native_function() const override { return true; }
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virtual LexicalEnvironment* create_environment() override final;
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FlyString m_name;
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AK::Function<Value(VM&, GlobalObject&)> m_native_function;
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};
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}
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