internal static void Init(ScriptableObject scope, bool @sealed)
{
// Iterator
Rhino.NativeIterator iterator = new Rhino.NativeIterator();
iterator.ExportAsJSClass(MAX_PROTOTYPE_ID, scope, @sealed);
// Generator
NativeGenerator.Init(scope, @sealed);
// StopIteration
NativeObject obj = new NativeIterator.StopIteration();
obj.SetPrototype(GetObjectPrototype(scope));
obj.SetParentScope(scope);
if (@sealed)
{
obj.SealObject();
}
ScriptableObject.DefineProperty(scope, STOP_ITERATION, obj, ScriptableObject.DONTENUM);
// Use "associateValue" so that generators can continue to
// throw StopIteration even if the property of the global
// scope is replaced or deleted.
scope.AssociateValue(ITERATOR_TAG, obj);
}
private static object JsConstructor(Context cx, Scriptable scope, Scriptable thisObj, object[] args)
{
if (args.Length == 0 || args[0] == null || args[0] == Undefined.instance)
{
object argument = args.Length == 0 ? Undefined.instance : args[0];
throw ScriptRuntime.TypeError1("msg.no.properties", ScriptRuntime.ToString(argument));
}
Scriptable obj = ScriptRuntime.ToObject(scope, args[0]);
bool keyOnly = args.Length > 1 && ScriptRuntime.ToBoolean(args[1]);
if (thisObj != null)
{
// Called as a function. Convert to iterator if possible.
// For objects that implement java.lang.Iterable or
// java.util.Iterator, have JavaScript Iterator call the underlying
// iteration methods
IEnumerator<object> iterator = VMBridge.instance.GetJavaIterator(cx, scope, obj);
if (iterator != null)
{
scope = ScriptableObject.GetTopLevelScope(scope);
return cx.GetWrapFactory().Wrap(cx, scope, new NativeIterator.WrappedJavaIterator(iterator, scope), typeof(NativeIterator.WrappedJavaIterator));
}
// Otherwise, just call the runtime routine
Scriptable jsIterator = ScriptRuntime.ToIterator(cx, scope, obj, keyOnly);
if (jsIterator != null)
{
return jsIterator;
}
}
// Otherwise, just set up to iterate over the properties of the object.
// Do not call __iterator__ method.
object objectIterator = ScriptRuntime.EnumInit(obj, cx, keyOnly ? ScriptRuntime.ENUMERATE_KEYS_NO_ITERATOR : ScriptRuntime.ENUMERATE_ARRAY_NO_ITERATOR);
ScriptRuntime.SetEnumNumbers(objectIterator, true);
NativeIterator result = new NativeIterator(objectIterator);
result.SetPrototype(ScriptableObject.GetClassPrototype(scope, result.GetClassName()));
result.SetParentScope(scope);
return result;
}
