void Structure::despecifyAllFunctions(JSGlobalData& globalData)
{
materializePropertyMapIfNecessary(globalData);
if (!m_propertyTable)
return;
PropertyTable::iterator end = m_propertyTable->end();
for (PropertyTable::iterator iter = m_propertyTable->begin(); iter != end; ++iter)
iter->specificValue.clear();
}
void Structure::despecifyDictionaryFunction(JSGlobalData& globalData, PropertyName propertyName)
{
StringImpl* rep = propertyName.uid();
materializePropertyMapIfNecessary(globalData);
ASSERT(isDictionary());
ASSERT(m_propertyTable);
PropertyMapEntry* entry = m_propertyTable->find(rep).first;
ASSERT(entry);
entry->specificValue.clear();
}
bool Structure::despecifyFunction(JSGlobalData& globalData, PropertyName propertyName)
{
materializePropertyMapIfNecessary(globalData);
if (!m_propertyTable)
return false;
PropertyMapEntry* entry = m_propertyTable->find(propertyName.uid()).first;
if (!entry)
return false;
ASSERT(entry->specificValue);
entry->specificValue.clear();
return true;
}
size_t Structure::get(JSGlobalData& globalData, StringImpl* propertyName, unsigned& attributes, JSCell*& specificValue)
{
materializePropertyMapIfNecessary(globalData);
if (!m_propertyTable)
return WTF::notFound;
PropertyMapEntry* entry = m_propertyTable->find(propertyName).first;
if (!entry)
return WTF::notFound;
attributes = entry->attributes;
specificValue = entry->specificValue.get();
return entry->offset;
}
PropertyOffset Structure::get(JSGlobalData& globalData, PropertyName propertyName, unsigned& attributes, JSCell*& specificValue)
{
ASSERT(structure()->classInfo() == &s_info);
materializePropertyMapIfNecessary(globalData);
if (!m_propertyTable)
return invalidOffset;
PropertyMapEntry* entry = m_propertyTable->find(propertyName.uid()).first;
if (!entry)
return invalidOffset;
attributes = entry->attributes;
specificValue = entry->specificValue.get();
return entry->offset;
}
// In future we may want to cache this property.
bool Structure::isSealed(JSGlobalData& globalData)
{
if (isExtensible())
return false;
materializePropertyMapIfNecessary(globalData);
if (!m_propertyTable)
return true;
PropertyTable::iterator end = m_propertyTable->end();
for (PropertyTable::iterator iter = m_propertyTable->begin(); iter != end; ++iter) {
if ((iter->attributes & DontDelete) != DontDelete)
return false;
}
return true;
}
// In future we may want to cache this property.
bool Structure::isFrozen(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))
return false;
if (!(iter->attributes & (ReadOnly | Accessor)))
return false;
}
return true;
}
void Structure::getPropertyNamesFromStructure(JSGlobalData& globalData, PropertyNameArray& propertyNames, EnumerationMode mode)
{
materializePropertyMapIfNecessary(globalData);
if (!m_propertyTable)
return;
bool knownUnique = !propertyNames.size();
PropertyTable::iterator end = m_propertyTable->end();
for (PropertyTable::iterator iter = m_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);
}
}
}
