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/*
* Copyright (C) 2015 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 "ObjectPropertyCondition.h"
#include "JSCJSValueInlines.h"
#include "TrackedReferences.h"
namespace JSC {
void ObjectPropertyCondition::dumpInContext(PrintStream& out, DumpContext* context) const
{
if (!*this) {
out.print("<invalid>");
return;
}
out.print("<", inContext(JSValue(m_object), context), ": ", inContext(m_condition, context), ">");
}
void ObjectPropertyCondition::dump(PrintStream& out) const
{
dumpInContext(out, nullptr);
}
bool ObjectPropertyCondition::structureEnsuresValidityAssumingImpurePropertyWatchpoint(Concurrency concurrency) const
{
if (!*this)
return false;
return m_condition.isStillValidAssumingImpurePropertyWatchpoint(concurrency, m_object->structure(), nullptr);
}
bool ObjectPropertyCondition::validityRequiresImpurePropertyWatchpoint(Structure* structure) const
{
return m_condition.validityRequiresImpurePropertyWatchpoint(structure);
}
bool ObjectPropertyCondition::validityRequiresImpurePropertyWatchpoint() const
{
if (!*this)
return false;
return validityRequiresImpurePropertyWatchpoint(m_object->structure());
}
bool ObjectPropertyCondition::isStillValidAssumingImpurePropertyWatchpoint(Concurrency concurrency, Structure* structure) const
{
return m_condition.isStillValidAssumingImpurePropertyWatchpoint(concurrency, structure, m_object);
}
bool ObjectPropertyCondition::isStillValidAssumingImpurePropertyWatchpoint(Concurrency concurrency) const
{
if (!*this)
return false;
return isStillValidAssumingImpurePropertyWatchpoint(concurrency, m_object->structure());
}
bool ObjectPropertyCondition::isStillValid(Concurrency concurrency, Structure* structure) const
{
return m_condition.isStillValid(concurrency, structure, m_object);
}
bool ObjectPropertyCondition::isStillValid(Concurrency concurrency) const
{
if (!*this)
return false;
return isStillValid(concurrency, m_object->structure());
}
bool ObjectPropertyCondition::structureEnsuresValidity(Concurrency concurrency, Structure* structure) const
{
return m_condition.isStillValid(concurrency, structure);
}
bool ObjectPropertyCondition::structureEnsuresValidity(Concurrency concurrency) const
{
if (!*this)
return false;
return structureEnsuresValidity(concurrency, m_object->structure());
}
bool ObjectPropertyCondition::isWatchableAssumingImpurePropertyWatchpoint(
Structure* structure, PropertyCondition::WatchabilityEffort effort) const
{
return m_condition.isWatchableAssumingImpurePropertyWatchpoint(structure, m_object, effort);
}
bool ObjectPropertyCondition::isWatchableAssumingImpurePropertyWatchpoint(
PropertyCondition::WatchabilityEffort effort) const
{
if (!*this)
return false;
return isWatchableAssumingImpurePropertyWatchpoint(m_object->structure(), effort);
}
bool ObjectPropertyCondition::isWatchable(
Structure* structure, PropertyCondition::WatchabilityEffort effort) const
{
return m_condition.isWatchable(structure, m_object, effort);
}
bool ObjectPropertyCondition::isWatchable(PropertyCondition::WatchabilityEffort effort) const
{
if (!*this)
return false;
return isWatchable(m_object->structure(), effort);
}
bool ObjectPropertyCondition::isStillLive(VM& vm) const
{
if (!*this)
return false;
bool isStillLive = true;
forEachDependentCell([&](JSCell* cell) {
isStillLive &= vm.heap.isMarked(cell);
});
return isStillLive;
}
void ObjectPropertyCondition::validateReferences(const TrackedReferences& tracked) const
{
if (!*this)
return;
tracked.check(m_object);
m_condition.validateReferences(tracked);
}
ObjectPropertyCondition ObjectPropertyCondition::attemptToMakeEquivalenceWithoutBarrier() const
{
PropertyCondition result = condition().attemptToMakeEquivalenceWithoutBarrier(object());
if (!result)
return ObjectPropertyCondition();
return ObjectPropertyCondition(object(), result);
}
} // namespace JSC