EncodedJSValue RuntimeArray::lengthGetter(ExecState* exec, JSObject*, EncodedJSValue thisValue, PropertyName)
{
RuntimeArray* thisObject = jsDynamicCast<RuntimeArray*>(JSValue::decode(thisValue));
if (!thisObject)
return throwVMTypeError(exec);
return JSValue::encode(jsNumber(thisObject->getLength()));
}
void RuntimeArray::putByIndex(JSCell* cell, ExecState* exec, unsigned index, JSValue value, bool)
{
RuntimeArray* thisObject = jsCast<RuntimeArray*>(cell);
if (index >= thisObject->getLength()) {
exec->vm().throwException(exec, createRangeError(exec, "Range error"));
return;
}
thisObject->getConcreteArray()->setValueAt(exec, index, value);
}
bool RuntimeArray::getOwnPropertySlotByIndex(JSCell* cell, ExecState *exec, unsigned index, PropertySlot& slot)
{
RuntimeArray* thisObject = jsCast<RuntimeArray*>(cell);
if (index < thisObject->getLength()) {
slot.setCustomIndex(thisObject, index, thisObject->indexGetter);
return true;
}
return JSObject::getOwnPropertySlotByIndex(thisObject, exec, index, slot);
}
EncodedJSValue RuntimeArray::lengthGetter(ExecState* exec, EncodedJSValue thisValue, PropertyName)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
RuntimeArray* thisObject = jsDynamicDowncast<RuntimeArray*>(JSValue::decode(thisValue));
if (!thisObject)
return throwVMTypeError(exec, scope);
return JSValue::encode(jsNumber(thisObject->getLength()));
}
bool RuntimeArray::getOwnPropertySlotByIndex(JSObject* object, ExecState *exec, unsigned index, PropertySlot& slot)
{
RuntimeArray* thisObject = jsCast<RuntimeArray*>(object);
if (index < thisObject->getLength()) {
slot.setValue(thisObject, DontDelete | DontEnum,
thisObject->getConcreteArray()->valueAt(exec, index));
return true;
}
return JSObject::getOwnPropertySlotByIndex(thisObject, exec, index, slot);
}
void RuntimeArray::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
RuntimeArray* thisObject = jsCast<RuntimeArray*>(object);
unsigned length = thisObject->getLength();
for (unsigned i = 0; i < length; ++i)
propertyNames.add(Identifier::from(exec, i));
if (mode.includeDontEnumProperties())
propertyNames.add(exec->propertyNames().length);
JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
}
bool RuntimeArray::putByIndex(JSCell* cell, ExecState* exec, unsigned index, JSValue value, bool)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
RuntimeArray* thisObject = jsCast<RuntimeArray*>(cell);
if (index >= thisObject->getLength()) {
throwException(exec, scope, createRangeError(exec, "Range error"));
return false;
}
return thisObject->getConcreteArray()->setValueAt(exec, index, value);
}
bool RuntimeArray::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
RuntimeArray* thisObject = jsCast<RuntimeArray*>(object);
if (propertyName == exec->propertyNames().length) {
slot.setCacheableCustom(thisObject, DontDelete | ReadOnly | DontEnum, thisObject->lengthGetter);
return true;
}
Optional<uint32_t> index = parseIndex(propertyName);
if (index && index.value() < thisObject->getLength()) {
slot.setValue(thisObject, DontDelete | DontEnum,
thisObject->getConcreteArray()->valueAt(exec, index.value()));
return true;
}
return JSObject::getOwnPropertySlot(thisObject, exec, propertyName, slot);
}
bool RuntimeArray::getOwnPropertySlot(JSCell* cell, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
RuntimeArray* thisObject = jsCast<RuntimeArray*>(cell);
if (propertyName == exec->propertyNames().length) {
slot.setCacheableCustom(thisObject, thisObject->lengthGetter);
return true;
}
unsigned index = propertyName.asIndex();
if (index < thisObject->getLength()) {
ASSERT(index != PropertyName::NotAnIndex);
slot.setCustomIndex(thisObject, index, thisObject->indexGetter);
return true;
}
return JSObject::getOwnPropertySlot(thisObject, exec, propertyName, slot);
}
bool RuntimeArray::getOwnPropertySlot(JSCell* cell, ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
{
RuntimeArray* thisObject = static_cast<RuntimeArray*>(cell);
if (propertyName == exec->propertyNames().length) {
slot.setCacheableCustom(thisObject, thisObject->lengthGetter);
return true;
}
bool ok;
unsigned index = propertyName.toArrayIndex(ok);
if (ok) {
if (index < thisObject->getLength()) {
slot.setCustomIndex(thisObject, index, thisObject->indexGetter);
return true;
}
}
return JSObject::getOwnPropertySlot(thisObject, exec, propertyName, slot);
}
bool RuntimeArray::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, PropertyName propertyName, PropertyDescriptor& descriptor)
{
RuntimeArray* thisObject = jsCast<RuntimeArray*>(object);
if (propertyName == exec->propertyNames().length) {
PropertySlot slot;
slot.setCustom(thisObject, lengthGetter);
descriptor.setDescriptor(slot.getValue(exec, propertyName), ReadOnly | DontDelete | DontEnum);
return true;
}
unsigned index = propertyName.asIndex();
if (index < thisObject->getLength()) {
ASSERT(index != PropertyName::NotAnIndex);
PropertySlot slot;
slot.setCustomIndex(thisObject, index, indexGetter);
descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete | DontEnum);
return true;
}
return JSObject::getOwnPropertyDescriptor(thisObject, exec, propertyName, descriptor);
}
JSValue RuntimeArray::lengthGetter(ExecState*, JSValue slotBase, PropertyName)
{
RuntimeArray* thisObj = static_cast<RuntimeArray*>(asObject(slotBase));
return jsNumber(thisObj->getLength());
}
JSValue RuntimeArray::lengthGetter(ExecState*, JSValue slotBase, const Identifier&)
{
RuntimeArray* thisObj = static_cast<RuntimeArray*>(asObject(slotBase));
return jsNumber(thisObj->getLength());
}
EncodedJSValue RuntimeArray::lengthGetter(ExecState*, EncodedJSValue slotBase, EncodedJSValue, PropertyName)
{
RuntimeArray* thisObj = jsCast<RuntimeArray*>(JSValue::decode(slotBase));
return JSValue::encode(jsNumber(thisObj->getLength()));
}
JSValue* RuntimeArray::lengthGetter(ExecState* exec, const Identifier&, const PropertySlot& slot)
{
RuntimeArray* thisObj = static_cast<RuntimeArray*>(asObject(slot.slotBase()));
return jsNumber(exec, thisObj->getLength());
}
