JSVariableObject.cpp [plain text]
#include "config.h"
#include "JSVariableObject.h"
#include "PropertyNameArray.h"
#include "property_map.h"
namespace KJS {
UString::Rep* IdentifierRepHashTraits::nullRepPtr = &UString::Rep::null;
void JSVariableObject::saveLocalStorage(SavedProperties& p) const
{
ASSERT(d->symbolTable);
ASSERT(static_cast<size_t>(d->symbolTable->size()) == d->localStorage.size());
unsigned count = d->symbolTable->size();
p.properties.clear();
p.count = count;
if (!count)
return;
p.properties.set(new SavedProperty[count]);
SymbolTable::const_iterator end = d->symbolTable->end();
for (SymbolTable::const_iterator it = d->symbolTable->begin(); it != end; ++it) {
size_t i = it->second;
const LocalStorageEntry& entry = d->localStorage[i];
p.properties[i].init(it->first.get(), entry.value, entry.attributes);
}
}
void JSVariableObject::restoreLocalStorage(const SavedProperties& p)
{
unsigned count = p.count;
d->symbolTable->clear();
d->localStorage.resize(count);
SavedProperty* property = p.properties.get();
for (size_t i = 0; i < count; ++i, ++property) {
ASSERT(!d->symbolTable->contains(property->name()));
LocalStorageEntry& entry = d->localStorage[i];
d->symbolTable->set(property->name(), i);
entry.value = property->value();
entry.attributes = property->attributes();
}
}
bool JSVariableObject::deleteProperty(ExecState* exec, const Identifier& propertyName)
{
if (symbolTable().contains(propertyName.ustring().rep()))
return false;
return JSObject::deleteProperty(exec, propertyName);
}
void JSVariableObject::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames)
{
SymbolTable::const_iterator::Keys end = symbolTable().end().keys();
for (SymbolTable::const_iterator::Keys it = symbolTable().begin().keys(); it != end; ++it)
propertyNames.add(Identifier(it->get()));
JSObject::getPropertyNames(exec, propertyNames);
}
void JSVariableObject::mark()
{
JSObject::mark();
size_t size = d->localStorage.size();
for (size_t i = 0; i < size; ++i) {
JSValue* value = d->localStorage[i].value;
if (!value->marked())
value->mark();
}
}
}