Source/JavaScriptCore/runtime/WeakGCSetInlines.h

/*
 * Copyright (C) 2021 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. AND ITS 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 APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 */

#pragma once

#include <JavaScriptCore/HeapInlines.h>
#include <JavaScriptCore/WeakGCSet.h>
#include <JavaScriptCore/WeakInlines.h>

namespace JSC {

template<typename ValueArg, typename HashArg, typename TraitsArg>
inline WeakGCSet<ValueArg, HashArg, TraitsArg>::WeakGCSet(VM& vm)
    : m_vm(vm)
{
    vm.heap.registerWeakGCHashTable(this);
}

template<typename ValueArg, typename HashArg, typename TraitsArg>
inline WeakGCSet<ValueArg, HashArg, TraitsArg>::~WeakGCSet()
{
    m_vm.heap.unregisterWeakGCHashTable(this);
}

template<typename ValueArg, typename HashArg, typename TraitsArg>
NEVER_INLINE void WeakGCSet<ValueArg, HashArg, TraitsArg>::pruneStaleEntries()
{
    m_set.removeIf([](auto& entry) {
        return !entry;
    });
}

} // namespace JSC