Structure* Structure::flattenDictionaryStructure(JSGlobalData& globalData, JSObject* object)
{
checkOffsetConsistency();
ASSERT(isDictionary());
if (isUncacheableDictionary()) {
ASSERT(propertyTable());
size_t propertyCount = propertyTable()->size();
// Holds our values compacted by insertion order.
Vector<JSValue> values(propertyCount);
// Copies out our values from their hashed locations, compacting property table offsets as we go.
unsigned i = 0;
PropertyTable::iterator end = propertyTable()->end();
m_offset = invalidOffset;
for (PropertyTable::iterator iter = propertyTable()->begin(); iter != end; ++iter, ++i) {
values[i] = object->getDirect(iter->offset);
m_offset = iter->offset = offsetForPropertyNumber(i, m_inlineCapacity);
}
// Copies in our values to their compacted locations.
for (unsigned i = 0; i < propertyCount; i++)
object->putDirect(globalData, offsetForPropertyNumber(i, m_inlineCapacity), values[i]);
propertyTable()->clearDeletedOffsets();
checkOffsetConsistency();
}
m_dictionaryKind = NoneDictionaryKind;
return this;
}
void Structure::createPropertyMap(JSGlobalData& globalData, unsigned capacity)
{
ASSERT(!propertyTable());
checkConsistency();
propertyTable().set(globalData, this, PropertyTable::create(globalData, capacity));
}
PropertyTable* Structure::takePropertyTableOrCloneIfPinned(JSGlobalData& globalData, Structure* owner)
{
materializePropertyMapIfNecessaryForPinning(globalData);
if (m_isPinnedPropertyTable)
return propertyTable()->copy(globalData, owner, propertyTable()->size() + 1);
PropertyTable* takenPropertyTable = propertyTable().get();
propertyTable().clear();
return takenPropertyTable;
}
void Structure::despecifyAllFunctions(JSGlobalData& globalData)
{
materializePropertyMapIfNecessary(globalData);
if (!propertyTable())
return;
PropertyTable::iterator end = propertyTable()->end();
for (PropertyTable::iterator iter = propertyTable()->begin(); iter != end; ++iter)
iter->specificValue.clear();
}
void Structure::despecifyDictionaryFunction(JSGlobalData& globalData, PropertyName propertyName)
{
StringImpl* rep = propertyName.uid();
materializePropertyMapIfNecessary(globalData);
ASSERT(isDictionary());
ASSERT(propertyTable());
PropertyMapEntry* entry = propertyTable()->find(rep).first;
ASSERT(entry);
entry->specificValue.clear();
}
bool Structure::despecifyFunction(JSGlobalData& globalData, PropertyName propertyName)
{
materializePropertyMapIfNecessary(globalData);
if (!propertyTable())
return false;
PropertyMapEntry* entry = propertyTable()->find(propertyName.uid()).first;
if (!entry)
return false;
ASSERT(entry->specificValue);
entry->specificValue.clear();
return true;
}
void Structure::checkConsistency()
{
if (!propertyTable())
return;
if (!m_hasNonEnumerableProperties) {
PropertyTable::iterator end = propertyTable()->end();
for (PropertyTable::iterator iter = propertyTable()->begin(); iter != end; ++iter) {
ASSERT(!(iter->attributes & DontEnum));
}
}
propertyTable()->checkConsistency();
}
PropertyOffset Structure::get(JSGlobalData& globalData, PropertyName propertyName, unsigned& attributes, JSCell*& specificValue)
{
ASSERT(structure()->classInfo() == &s_info);
materializePropertyMapIfNecessary(globalData);
if (!propertyTable())
return invalidOffset;
PropertyMapEntry* entry = propertyTable()->find(propertyName.uid()).first;
if (!entry)
return invalidOffset;
attributes = entry->attributes;
specificValue = entry->specificValue.get();
return entry->offset;
}
void Structure::pin()
{
ASSERT(propertyTable());
m_isPinnedPropertyTable = true;
clearPreviousID();
m_nameInPrevious.clear();
}
// In future we may want to cache this property.
bool Structure::isSealed(JSGlobalData& globalData)
{
if (isExtensible())
return false;
materializePropertyMapIfNecessary(globalData);
if (!propertyTable())
return true;
PropertyTable::iterator end = propertyTable()->end();
for (PropertyTable::iterator iter = propertyTable()->begin(); iter != end; ++iter) {
if ((iter->attributes & DontDelete) != DontDelete)
return false;
}
return true;
}
void Structure::getPropertyNamesFromStructure(JSGlobalData& globalData, PropertyNameArray& propertyNames, EnumerationMode mode)
{
materializePropertyMapIfNecessary(globalData);
if (!propertyTable())
return;
bool knownUnique = !propertyNames.size();
PropertyTable::iterator end = propertyTable()->end();
for (PropertyTable::iterator iter = propertyTable()->begin(); iter != end; ++iter) {
ASSERT(m_hasNonEnumerableProperties || !(iter->attributes & DontEnum));
if (iter->key->isIdentifier() && (!(iter->attributes & DontEnum) || mode == IncludeDontEnumProperties)) {
if (knownUnique)
propertyNames.addKnownUnique(iter->key);
else
propertyNames.add(iter->key);
}
}
}
PropertyOffset Structure::putSpecificValue(JSGlobalData& globalData, PropertyName propertyName, unsigned attributes, JSCell* specificValue)
{
ASSERT(!JSC::isValidOffset(get(globalData, propertyName)));
checkConsistency();
if (attributes & DontEnum)
m_hasNonEnumerableProperties = true;
StringImpl* rep = propertyName.uid();
if (!propertyTable())
createPropertyMap(globalData);
PropertyOffset newOffset = propertyTable()->nextOffset(m_inlineCapacity);
propertyTable()->add(PropertyMapEntry(globalData, this, rep, newOffset, attributes, specificValue), m_offset, PropertyTable::PropertyOffsetMayChange);
checkConsistency();
return newOffset;
}
PropertyOffset Structure::remove(PropertyName propertyName)
{
checkConsistency();
StringImpl* rep = propertyName.uid();
if (!propertyTable())
return invalidOffset;
PropertyTable::find_iterator position = propertyTable()->find(rep);
if (!position.first)
return invalidOffset;
PropertyOffset offset = position.first->offset;
propertyTable()->remove(position);
propertyTable()->addDeletedOffset(offset);
checkConsistency();
return offset;
}
void Structure::materializePropertyMap(JSGlobalData& globalData)
{
ASSERT(structure()->classInfo() == &s_info);
ASSERT(!propertyTable());
Vector<Structure*, 8> structures;
structures.append(this);
Structure* structure = this;
// Search for the last Structure with a property table.
while ((structure = structure->previousID())) {
if (structure->m_isPinnedPropertyTable) {
ASSERT(structure->propertyTable());
ASSERT(!structure->previousID());
propertyTable().set(globalData, this, structure->propertyTable()->copy(globalData, 0, numberOfSlotsForLastOffset(m_offset, m_inlineCapacity)));
break;
}
structures.append(structure);
}
if (!propertyTable())
createPropertyMap(globalData, numberOfSlotsForLastOffset(m_offset, m_inlineCapacity));
for (ptrdiff_t i = structures.size() - 1; i >= 0; --i) {
structure = structures[i];
if (!structure->m_nameInPrevious)
continue;
PropertyMapEntry entry(globalData, this, structure->m_nameInPrevious.get(), structure->m_offset, structure->m_attributesInPrevious, structure->m_specificValueInPrevious.get());
propertyTable()->add(entry, m_offset, PropertyTable::PropertyOffsetMustNotChange);
}
checkOffsetConsistency();
}
void Scene::createEntity(const std::string& entityType, const std::string& name, const Any& any) {
AnyTableReader propertyTable(any);
if (entityType == "VisibleEntity") {
insert(VisibleEntity::create(name, this, propertyTable, m_modelTable));
} else if (entityType == "Light") {
insert(Light::create(name, this, propertyTable));
} else if (entityType == "Camera") {
insert(Camera::create(name, this, propertyTable));
} else if (entityType == "MarkerEntity") {
insert(MarkerEntity::create(name, this, propertyTable));
} else if (entityType == "Skybox") {
insert(Skybox::create(name, this, propertyTable));
} else {
any.verify(false, std::string("Unrecognized Entity type: \"") + entityType + "\"");
}
m_lastStructuralChangeTime = System::time();
}
PropertyTable* Structure::copyPropertyTableForPinning(JSGlobalData& globalData, Structure* owner)
{
if (propertyTable())
return PropertyTable::clone(globalData, owner, *propertyTable().get());
return PropertyTable::create(globalData, numberOfSlotsForLastOffset(m_offset, m_inlineCapacity));
}
PropertyTable* Structure::copyPropertyTable(JSGlobalData& globalData, Structure* owner)
{
if (!propertyTable())
return 0;
return PropertyTable::clone(globalData, owner, *propertyTable().get());
}
