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/*
* Copyright (C) 2018 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.
*/
#include "config.h"
#include "InstanceOfVariant.h"
#include "JSCJSValueInlines.h"
namespace JSC {
InstanceOfVariant::InstanceOfVariant(
const StructureSet& structureSet, const ObjectPropertyConditionSet& conditionSet,
JSObject* prototype, bool isHit)
: m_structureSet(structureSet)
, m_conditionSet(conditionSet)
, m_prototype(prototype)
, m_isHit(isHit)
{
}
bool InstanceOfVariant::attemptToMerge(const InstanceOfVariant& other)
{
if (m_prototype != other.m_prototype)
return false;
if (m_isHit != other.m_isHit)
return false;
ObjectPropertyConditionSet mergedConditionSet = m_conditionSet.mergedWith(other.m_conditionSet);
if (!mergedConditionSet.isValid())
return false;
m_conditionSet = mergedConditionSet;
m_structureSet.merge(other.m_structureSet);
return true;
}
void InstanceOfVariant::dump(PrintStream& out) const
{
dumpInContext(out, nullptr);
}
void InstanceOfVariant::dumpInContext(PrintStream& out, DumpContext* context) const
{
if (!*this) {
out.print("<empty>");
return;
}
out.print(
"<", inContext(structureSet(), context), ", ", inContext(m_conditionSet, context), ","
" prototype = ", inContext(JSValue(m_prototype), context), ","
" isHit = ", m_isHit, ">");
}
} // namespace JSC
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