/* * Copyright (C) 2017 Apple Inc. 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 APPLE INC. ``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 APPLE INC. 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 "JSHeapFinalizerPrivate.h" #include <wtf/PrintStream.h> namespace JSC { class VM; class HeapFinalizerCallback { public: HeapFinalizerCallback(JSHeapFinalizer finalizer = nullptr, void *userData = nullptr) : m_finalizer(finalizer) , m_userData(userData) { } bool operator==(const HeapFinalizerCallback& other) const { return m_finalizer == other.m_finalizer && m_userData == other.m_userData; } bool operator!=(const HeapFinalizerCallback& other) const { return !(*this == other); } explicit operator bool() const { return *this != HeapFinalizerCallback(); } void dump(PrintStream&) const; void run(VM&) const; private: JSHeapFinalizer m_finalizer; void *m_userData; }; } // namespace JSC