public static EcmaValue Set(EcmaValue target, EcmaValue key, EcmaValue value, EcmaValue?receiver = default)
{
Guard.ArgumentIsObject(target);
RuntimeObject obj = target.ToObject();
return(obj.Set(EcmaPropertyKey.FromValue(key), value, receiver.HasValue ? receiver.Value.ToObject() : obj));
}
public static EcmaValue DefineSetter([This] EcmaValue thisValue, EcmaValue key, EcmaValue setter)
{
Guard.RequireObjectCoercible(thisValue);
return(thisValue.ToObject().DefineOwnProperty(EcmaPropertyKey.FromValue(key),
new EcmaPropertyDescriptor {
Set = setter
}));
}
public static EcmaValue PropertyIsEnumerable([This] EcmaValue thisValue, EcmaValue key)
{
Guard.RequireObjectCoercible(thisValue);
EcmaPropertyKey pk = EcmaPropertyKey.FromValue(key);
EcmaPropertyDescriptor pd = thisValue.ToObject().GetOwnProperty(pk);
return(pd != null && pd.Enumerable);
}
public EcmaValue this[EcmaValue key] {
get { return(this[EcmaPropertyKey.FromValue(key)]); }
set { this[EcmaPropertyKey.FromValue(key)] = value; }
}
public static EcmaValue GetOwnPropertyDescriptor(EcmaValue target, EcmaValue key)
{
Guard.ArgumentIsObject(target);
EcmaPropertyDescriptor descriptor = target.ToObject().GetOwnProperty(EcmaPropertyKey.FromValue(key));
return(descriptor != null?descriptor.ToValue() : default);
public static EcmaValue Has(EcmaValue target, EcmaValue key)
{
Guard.ArgumentIsObject(target);
return(target.ToObject().HasProperty(EcmaPropertyKey.FromValue(key)));
}
public override IEnumerable <EcmaPropertyKey> GetOwnPropertyKeys()
{
return(Target.Keys.OfType <object>().Select(v => new EcmaValue(v)).Where(v => EcmaPropertyKey.IsPropertyKey(v)).Select(v => EcmaPropertyKey.FromValue(v)).Concat(base.GetOwnPropertyKeys()));
}
public override IEnumerable <EcmaPropertyKey> GetOwnPropertyKeys()
{
RuntimeObject target = ThrowIfProxyRevoked();
RuntimeObject trap = handler.GetMethod(WellKnownProperty.OwnKeys);
if (trap == null)
{
return(target.GetOwnPropertyKeys());
}
EcmaValue resultArray = trap.Call(handler, target);
Guard.ArgumentIsObject(resultArray);
List <EcmaPropertyKey> list = new List <EcmaPropertyKey>();
long len = resultArray[WellKnownProperty.Length].ToLength();
for (long i = 0; i < len; i++)
{
EcmaValue value = resultArray[i];
if (!EcmaPropertyKey.IsPropertyKey(value))
{
throw new EcmaTypeErrorException(InternalString.Error.InvalidTrapResult);
}
EcmaPropertyKey key = EcmaPropertyKey.FromValue(value);
if (list.Contains(key))
{
throw new EcmaTypeErrorException(InternalString.Error.InvalidTrapResult);
}
list.Add(key);
}
List <EcmaPropertyKey> targetKeys = new List <EcmaPropertyKey>(target.GetOwnPropertyKeys());
List <EcmaPropertyKey> targetConfigurableKeys = new List <EcmaPropertyKey>();
List <EcmaPropertyKey> targetNonConfigurableKeys = new List <EcmaPropertyKey>();
foreach (EcmaPropertyKey key in targetKeys)
{
EcmaPropertyDescriptor descriptor = target.GetOwnProperty(key);
(descriptor.Configurable != false ? targetConfigurableKeys : targetNonConfigurableKeys).Add(key);
}
if (target.IsExtensible && targetNonConfigurableKeys.Count == 0)
{
return(list);
}
if (!targetNonConfigurableKeys.TrueForAll(list.Contains))
{
throw new EcmaTypeErrorException(InternalString.Error.InvalidTrapResult);
}
if (target.IsExtensible)
{
return(list);
}
if (!targetConfigurableKeys.TrueForAll(list.Contains))
{
throw new EcmaTypeErrorException(InternalString.Error.InvalidTrapResult);
}
if (!list.TrueForAll(targetKeys.Contains))
{
throw new EcmaTypeErrorException(InternalString.Error.InvalidTrapResult);
}
return(list);
}
public static EcmaValue LookupGetter([This] EcmaValue thisValue, EcmaValue key)
{
Guard.RequireObjectCoercible(thisValue);
EcmaPropertyDescriptor descriptor = thisValue.ToObject().GetOwnProperty(EcmaPropertyKey.FromValue(key));
return(descriptor.IsAccessorDescriptor ? descriptor.Get : default);
public static EcmaValue HasOwnProperty([This] EcmaValue thisValue, EcmaValue key)
{
Guard.RequireObjectCoercible(thisValue);
return(thisValue.HasOwnProperty(EcmaPropertyKey.FromValue(key)));
}