#include "config.h"
#include "runtime_array.h"
#include <runtime/ArrayPrototype.h>
#include <runtime/Error.h>
#include <runtime/PropertyNameArray.h>
#include "JSDOMBinding.h"
using namespace WebCore;
namespace JSC {
const ClassInfo RuntimeArray::s_info = { "RuntimeArray", &Base::s_info, 0, CREATE_METHOD_TABLE(RuntimeArray) };
RuntimeArray::RuntimeArray(ExecState* exec, Structure* structure)
: JSArray(exec->vm(), structure, 0)
, m_array(0)
{
}
void RuntimeArray::finishCreation(VM& vm, Bindings::Array* array)
{
Base::finishCreation(vm);
ASSERT(inherits(info()));
m_array = array;
}
RuntimeArray::~RuntimeArray()
{
delete getConcreteArray();
}
void RuntimeArray::destroy(JSCell* cell)
{
static_cast<RuntimeArray*>(cell)->RuntimeArray::~RuntimeArray();
}
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::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::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::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::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
{
RuntimeArray* thisObject = jsCast<RuntimeArray*>(cell);
if (propertyName == exec->propertyNames().length) {
exec->vm().throwException(exec, createRangeError(exec, "Range error"));
return;
}
if (Optional<uint32_t> index = parseIndex(propertyName)) {
thisObject->getConcreteArray()->setValueAt(exec, index.value(), value);
return;
}
JSObject::put(thisObject, exec, propertyName, value, slot);
}
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::deleteProperty(JSCell*, ExecState*, PropertyName)
{
return false;
}
bool RuntimeArray::deletePropertyByIndex(JSCell*, ExecState*, unsigned)
{
return false;
}
}