Source/JavaScriptCore/dfg/DFGAdaptiveInferredPropertyValueWatchpoint.cpp

/*
 * Copyright (C) 2015 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#include "config.h"
#include "DFGAdaptiveInferredPropertyValueWatchpoint.h"

#if ENABLE(DFG_JIT)

#include "CodeBlock.h"
#include "DFGCommon.h"
#include "JSCInlines.h"

namespace JSC { namespace DFG {

AdaptiveInferredPropertyValueWatchpoint::AdaptiveInferredPropertyValueWatchpoint(const ObjectPropertyCondition& key, CodeBlock* codeBlock)
    : Base(key)
    , m_codeBlock(codeBlock)
{
}

void AdaptiveInferredPropertyValueWatchpoint::handleFire(VM&, const FireDetail& detail)
{
    if (DFG::shouldDumpDisassembly())
        dataLog("Firing watchpoint ", RawPointer(this), " (", key(), ") on ", *m_codeBlock, "\n");


    auto lazyDetail = createLazyFireDetail("Adaptation of ", key(), " failed: ", detail);

    m_codeBlock->jettison(Profiler::JettisonDueToUnprofiledWatchpoint, CountReoptimization, &lazyDetail);
}

bool AdaptiveInferredPropertyValueWatchpoint::isValid() const
{
    return m_codeBlock->isLive();
}

} } // namespace JSC::DFG

#endif // ENABLE(DFG_JIT)