/*
 * 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 "MarkingConstraint.h"

#include "JSCInlines.h"

namespace JSC {

MarkingConstraint::MarkingConstraint(
    CString abbreviatedName, CString name,
    ::Function<void(SlotVisitor&, const VisitingTimeout&)> executeFunction,
    ConstraintVolatility volatility)
    : m_abbreviatedName(abbreviatedName)
    , m_name(WTFMove(name))
    , m_executeFunction(WTFMove(executeFunction))
    , m_volatility(volatility)
{
}

MarkingConstraint::MarkingConstraint(
    CString abbreviatedName, CString name,
    ::Function<void(SlotVisitor&, const VisitingTimeout&)> executeFunction,
    ::Function<double(SlotVisitor&)> quickWorkEstimateFunction,
    ConstraintVolatility volatility)
    : m_abbreviatedName(abbreviatedName)
    , m_name(WTFMove(name))
    , m_executeFunction(WTFMove(executeFunction))
    , m_quickWorkEstimateFunction(WTFMove(quickWorkEstimateFunction))
    , m_volatility(volatility)
{
}

MarkingConstraint::~MarkingConstraint()
{
}

void MarkingConstraint::resetStats()
{
    m_lastVisitCount = 0;
}

void MarkingConstraint::execute(SlotVisitor& visitor, bool& didVisitSomething, MonotonicTime timeout)
{
    if (Options::logGC())
        dataLog(abbreviatedName());
    VisitingTimeout visitingTimeout(visitor, didVisitSomething, timeout);
    m_executeFunction(visitor, visitingTimeout);
    m_lastVisitCount = visitingTimeout.visitCount(visitor);
    didVisitSomething = visitingTimeout.didVisitSomething(visitor);
}

} // namespace JSC