Source/JavaScriptCore/heap/CollectorPhase.cpp

/*
 * 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. 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
 * 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.
 */

#include "config.h"
#include "CollectorPhase.h"

#include <wtf/PrintStream.h>

namespace JSC {

bool worldShouldBeSuspended(CollectorPhase phase)
{
    switch (phase) {
    case CollectorPhase::NotRunning:
    case CollectorPhase::Concurrent:
        return false;
        
    case CollectorPhase::Begin:
    case CollectorPhase::Fixpoint:
    case CollectorPhase::Reloop:
    case CollectorPhase::End:
        return true;
    }
    
    RELEASE_ASSERT_NOT_REACHED();
    return false;
}

} // namespace JSC

namespace WTF {

using namespace JSC;

void printInternal(PrintStream& out, JSC::CollectorPhase phase)
{
    switch (phase) {
    case CollectorPhase::NotRunning:
        out.print("NotRunning");
        return;
    case CollectorPhase::Begin:
        out.print("Begin");
        return;
    case CollectorPhase::Fixpoint:
        out.print("Fixpoint");
        return;
    case CollectorPhase::Concurrent:
        out.print("Concurrent");
        return;
    case CollectorPhase::Reloop:
        out.print("Reloop");
        return;
    case CollectorPhase::End:
        out.print("End");
        return;
    }
    
    RELEASE_ASSERT_NOT_REACHED();
}

} // namespace WTF