/* THIS FILE IS AUTOGENERATED FROM External.webidl BY Codegen.py - DO NOT EDIT */

#include "AtomList.h"

#include "ExternalBinding.h"

#include "WrapperFactory.h"

#include "mozilla/OwningNonNull.h"

#include "mozilla/dom/BindingUtils.h"

#include "mozilla/dom/DOMJSClass.h"

#include "mozilla/dom/NonRefcountedDOMObject.h"

#include "mozilla/dom/PrimitiveConversions.h"

#include "mozilla/dom/XrayExpandoClass.h"

#include "nsIGlobalObject.h"

namespace mozilla {

namespace dom {

namespace binding_detail {}; // Just to make sure it's known as a namespace

using namespace mozilla::dom::binding_detail;

namespace External_Binding {

MOZ_CAN_RUN_SCRIPT static bool

AddSearchProvider(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::External* self, const JSJitMethodCallArgs& args)

{

  AUTO_PROFILER_LABEL_FAST("External.AddSearchProvider", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {

    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "External.AddSearchProvider");

  }

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;

  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);

  if (objIsXray) {

    unwrappedObj.emplace(cx, obj);

  }

  binding_detail::FakeString arg0;

  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {

    return false;

  }

  if (objIsXray) {

    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());

    if (!unwrappedObj.ref()) {

      return false;

    }

  }

  FastErrorResult rv;

  self->AddSearchProvider(NonNullHelper(Constify(arg0)), rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));

  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {

    return false;

  }

  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  args.rval().setUndefined();

  return true;

}

static const JSJitInfo AddSearchProvider_methodinfo = {

  { (JSJitGetterOp)AddSearchProvider },

  { prototypes::id::External },

  { PrototypeTraits<prototypes::id::External>::Depth },

  JSJitInfo::Method,

  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */

  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */

  false,  /* isInfallible. False in setters. */

  false,  /* isMovable.  Not relevant for setters. */

  false, /* isEliminatable.  Not relevant for setters. */

  false, /* isAlwaysInSlot.  Only relevant for getters. */

  false, /* isLazilyCachedInSlot.  Only relevant for getters. */

  false,  /* isTypedMethod.  Only relevant for methods. */

  0   /* Reserved slot index, if we're stored in a slot, else 0. */

};

static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");

static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool

IsSearchProviderInstalled(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::External* self, const JSJitMethodCallArgs& args)

{

  AUTO_PROFILER_LABEL_FAST("External.IsSearchProviderInstalled", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {

    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "External.IsSearchProviderInstalled");

  }

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;

  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);

  if (objIsXray) {

    unwrappedObj.emplace(cx, obj);

  }

  binding_detail::FakeString arg0;

  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {

    return false;

  }

  if (objIsXray) {

    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());

    if (!unwrappedObj.ref()) {

      return false;

    }

  }

  FastErrorResult rv;

  uint32_t result(self->IsSearchProviderInstalled(NonNullHelper(Constify(arg0)), rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx))));

  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {

    return false;

  }

  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  args.rval().setNumber(result);

  return true;

}

static const JSJitInfo IsSearchProviderInstalled_methodinfo = {

  { (JSJitGetterOp)IsSearchProviderInstalled },

  { prototypes::id::External },

  { PrototypeTraits<prototypes::id::External>::Depth },

  JSJitInfo::Method,

  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */

  JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */

  false,  /* isInfallible. False in setters. */

  false,  /* isMovable.  Not relevant for setters. */

  false, /* isEliminatable.  Not relevant for setters. */

  false, /* isAlwaysInSlot.  Only relevant for getters. */

  false, /* isLazilyCachedInSlot.  Only relevant for getters. */

  false,  /* isTypedMethod.  Only relevant for methods. */

  0   /* Reserved slot index, if we're stored in a slot, else 0. */

};

static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");

static_assert(0 < 1, "There is no slot for us");

static bool

_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)

{

  mozilla::dom::External* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::External>(obj);

  // We don't want to preserve if we don't have a wrapper, and we

  // obviously can't preserve if we're not initialized.

  if (self && self->GetWrapperPreserveColor()) {

    PreserveWrapper(self);

  }

  return true;

}

static void

_finalize(js::FreeOp* fop, JSObject* obj)

{

  mozilla::dom::External* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::External>(obj);

  if (self) {

    ClearWrapper(self, self, obj);

    AddForDeferredFinalization<mozilla::dom::External>(self);

  }

}

static size_t

_objectMoved(JSObject* obj, JSObject* old)

{

  mozilla::dom::External* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::External>(obj);

  if (self) {

    UpdateWrapper(self, self, obj, old);

  }

  return 0;

}

// We deliberately use brace-elision to make Visual Studio produce better initalization code.

#if defined(__clang__)

#pragma clang diagnostic push

#pragma clang diagnostic ignored "-Wmissing-braces"

#endif

static const JSFunctionSpec sMethods_specs[] = {

  JS_FNSPEC("AddSearchProvider", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&AddSearchProvider_methodinfo), 1, JSPROP_ENUMERATE, nullptr),

  JS_FNSPEC("IsSearchProviderInstalled", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&IsSearchProviderInstalled_methodinfo), 1, JSPROP_ENUMERATE, nullptr),

  JS_FS_END

};

#if defined(__clang__)

#pragma clang diagnostic pop

#endif

static const Prefable<const JSFunctionSpec> sMethods[] = {

  { nullptr, &sMethods_specs[0] },

  { nullptr, nullptr }

};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,

    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");

static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,

    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

static uint16_t sNativeProperties_sortedPropertyIndices[2];

static PropertyInfo sNativeProperties_propertyInfos[2];

static const NativePropertiesN<1> sNativeProperties = {

  false, 0,

  false, 0,

  true,  0 /* sMethods */,

  false, 0,

  false, 0,

  false, 0,

  false, 0,

  -1,

  2,

  sNativeProperties_sortedPropertyIndices,

  {

    { sMethods, &sNativeProperties_propertyInfos[0] }

  }

};

static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),

    "We have a property info count that is oversized");

static const DOMIfaceAndProtoJSClass sPrototypeClass = {

  {

    "ExternalPrototype",

    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),

    JS_NULL_CLASS_OPS,

    JS_NULL_CLASS_SPEC,

    JS_NULL_CLASS_EXT,

    JS_NULL_OBJECT_OPS

  },

  eInterfacePrototype,

  false,

  prototypes::id::External,

  PrototypeTraits<prototypes::id::External>::Depth,

  sNativePropertyHooks,

  "[object ExternalPrototype]",

  JS::GetRealmObjectPrototype

};

static const js::ClassOps sClassOps = {

  _addProperty, /* addProperty */

  nullptr,               /* delProperty */

  nullptr,               /* enumerate */

  nullptr, /* newEnumerate */

  nullptr, /* resolve */

  nullptr, /* mayResolve */

  _finalize, /* finalize */

  nullptr, /* call */

  nullptr,               /* hasInstance */

  nullptr,               /* construct */

  nullptr, /* trace */

};

static const js::ClassExtension sClassExtension = {

  nullptr, /* weakmapKeyDelegateOp */

  _objectMoved /* objectMovedOp */

};

static const DOMJSClass sClass = {

  { "External",

    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),

    &sClassOps,

    JS_NULL_CLASS_SPEC,

    &sClassExtension,

    JS_NULL_OBJECT_OPS

  },

  { prototypes::id::External, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },

  IsBaseOf<nsISupports, mozilla::dom::External >::value,

  sNativePropertyHooks,

  FindAssociatedGlobalForNative<mozilla::dom::External>::Get,

  GetProtoObjectHandle,

  GetCCParticipant<mozilla::dom::External>::Get()

};

static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,

              "Must have the right minimal number of reserved slots.");

static_assert(1 >= 1,

              "Must have enough reserved slots.");

const JSClass*

GetJSClass()

{

  return sClass.ToJSClass();

}

bool

Wrap(JSContext* aCx, mozilla::dom::External* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)

{

  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::External>::value,

                "Shouldn't have wrappercached things that are not refcounted.");

  MOZ_ASSERT(static_cast<mozilla::dom::External*>(aObject) ==

             reinterpret_cast<mozilla::dom::External*>(aObject),

             "Multiple inheritance for mozilla::dom::External is broken.");

  MOZ_ASSERT(ToSupportsIsCorrect(aObject));

  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));

  MOZ_ASSERT(!aCache->GetWrapper(),

             "You should probably not be using Wrap() directly; use "

             "GetOrCreateDOMReflector instead");

  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),

             "nsISupports must be on our primary inheritance chain");

  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));

  if (!global) {

    return false;

  }

  MOZ_ASSERT(JS_IsGlobalObject(global));

  MOZ_ASSERT(JS::ObjectIsNotGray(global));

  // That might have ended up wrapping us already, due to the wonders

  // of XBL.  Check for that, and bail out as needed.

  aReflector.set(aCache->GetWrapper());

  if (aReflector) {

#ifdef DEBUG

    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);

#endif // DEBUG

    return true;

  }

  JSAutoRealm ar(aCx, global);

  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);

  if (!canonicalProto) {

    return false;

  }

  JS::Rooted<JSObject*> proto(aCx);

  if (aGivenProto) {

    proto = aGivenProto;

    // Unfortunately, while aGivenProto was in the compartment of aCx

    // coming in, we changed compartments to that of "parent" so may need

    // to wrap the proto here.

    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {

      if (!JS_WrapObject(aCx, &proto)) {

        return false;

      }

    }

  } else {

    proto = canonicalProto;

  }

  BindingJSObjectCreator<mozilla::dom::External> creator(aCx);

  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);

  if (!aReflector) {

    return false;

  }

  aCache->SetWrapper(aReflector);

  creator.InitializationSucceeded();

  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&

             aCache->GetWrapperPreserveColor() == aReflector);

  // If proto != canonicalProto, we have to preserve our wrapper;

  // otherwise we won't be able to properly recreate it later, since

  // we won't know what proto to use.  Note that we don't check

  // aGivenProto here, since it's entirely possible (and even

  // somewhat common) to have a non-null aGivenProto which is the

  // same as canonicalProto.

  if (proto != canonicalProto) {

    PreserveWrapper(aObject);

  }

  return true;

}

const NativePropertyHooks sNativePropertyHooks[] = { {

  nullptr,

  nullptr,

  nullptr,

  { sNativeProperties.Upcast(), nullptr },

  prototypes::id::External,

  constructors::id::_ID_Count,

  nullptr,

  &DefaultXrayExpandoObjectClass

} };

void

CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)

{

  JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));

  if (!parentProto) {

    return;

  }

  static bool sIdsInited = false;

  if (!sIdsInited && NS_IsMainThread()) {

    if (!InitIds(aCx, sNativeProperties.Upcast())) {

      return;

    }

    sIdsInited = true;

  }

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::External);

  JS::Heap<JSObject*>* interfaceCache = nullptr;

  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,

                              &sPrototypeClass.mBase, protoCache,

                              nullptr,

                              nullptr, nullptr, 0, nullptr,

                              interfaceCache,

                              sNativeProperties.Upcast(),

                              nullptr,

                              nullptr, aDefineOnGlobal,

                              nullptr,

                              false);

}

} // namespace External_Binding

void

ExternalJSImpl::AddSearchProvider(const nsAString& aDescriptionURL, ErrorResult& aRv, JS::Realm* aRealm)

{

  CallSetup s(this, aRv, "External.AddSearchProvider", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);

  JSContext* cx = s.GetContext();

  if (!cx) {

    MOZ_ASSERT(aRv.Failed());

    return;

  }

  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::AutoValueVector argv(cx);

  if (!argv.resize(1)) {

    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);

    return;

  }

  unsigned argc = 1;

  do {

    nsString mutableStr(aDescriptionURL);

    if (!xpc::NonVoidStringToJsval(cx, mutableStr, argv[0])) {

      aRv.Throw(NS_ERROR_UNEXPECTED);

      return;

    }

    break;

  } while (false);

  JS::Rooted<JS::Value> callable(cx);

  ExternalAtoms* atomsCache = GetAtomCache<ExternalAtoms>(cx);

  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||

      !GetCallableProperty(cx, atomsCache->AddSearchProvider_id, &callable)) {

    aRv.Throw(NS_ERROR_UNEXPECTED);

    return;

  }

  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));

  if (!JS::Call(cx, thisValue, callable,

                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {

    aRv.NoteJSContextException(cx);

    return;

  }

}

uint32_t

ExternalJSImpl::IsSearchProviderInstalled(const nsAString& aSearchURL, ErrorResult& aRv, JS::Realm* aRealm)

{

  CallSetup s(this, aRv, "External.IsSearchProviderInstalled", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);

  JSContext* cx = s.GetContext();

  if (!cx) {

    MOZ_ASSERT(aRv.Failed());

    return uint32_t(0);

  }

  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::AutoValueVector argv(cx);

  if (!argv.resize(1)) {

    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);

    return uint32_t(0);

  }

  unsigned argc = 1;

  do {

    nsString mutableStr(aSearchURL);

    if (!xpc::NonVoidStringToJsval(cx, mutableStr, argv[0])) {

      aRv.Throw(NS_ERROR_UNEXPECTED);

      return uint32_t(0);

    }

    break;

  } while (false);

  JS::Rooted<JS::Value> callable(cx);

  ExternalAtoms* atomsCache = GetAtomCache<ExternalAtoms>(cx);

  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||

      !GetCallableProperty(cx, atomsCache->IsSearchProviderInstalled_id, &callable)) {

    aRv.Throw(NS_ERROR_UNEXPECTED);

    return uint32_t(0);

  }

  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));

  if (!JS::Call(cx, thisValue, callable,

                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {

    aRv.NoteJSContextException(cx);

    return uint32_t(0);

  }

  uint32_t rvalDecl;

  if (!ValueToPrimitive<uint32_t, eDefault>(cx, rval, &rvalDecl)) {

    aRv.Throw(NS_ERROR_UNEXPECTED);

    return uint32_t(0);

  }

  return rvalDecl;

}

bool

ExternalJSImpl::InitIds(JSContext* cx, ExternalAtoms* atomsCache)

{

  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one

  // uninitialized.

  if (!atomsCache->IsSearchProviderInstalled_id.init(cx, "IsSearchProviderInstalled") ||

      !atomsCache->AddSearchProvider_id.init(cx, "AddSearchProvider")) {

    return false;

  }

  return true;

}

NS_IMPL_CYCLE_COLLECTION_CLASS(External)

NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(External)

  NS_IMPL_CYCLE_COLLECTION_UNLINK(mImpl)

  NS_IMPL_CYCLE_COLLECTION_UNLINK(mParent)

  NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER

  tmp->ClearWeakReferences();

NS_IMPL_CYCLE_COLLECTION_UNLINK_END

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(External)

  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mImpl)

  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent)

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END

NS_IMPL_CYCLE_COLLECTION_TRACE_WRAPPERCACHE(External)

NS_IMPL_CYCLE_COLLECTING_ADDREF(External)

NS_IMPL_CYCLE_COLLECTING_RELEASE(External)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(External)

  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY

  NS_INTERFACE_MAP_ENTRY(nsISupports)

  NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)

NS_INTERFACE_MAP_END

External::External(JS::Handle<JSObject*> aJSImplObject, JS::Handle<JSObject*> aJSImplGlobal, nsIGlobalObject* aParent)

  : mImpl(new ExternalJSImpl(nullptr, aJSImplObject, aJSImplGlobal, /* aIncumbentGlobal = */ nullptr)),

    mParent(aParent)

{

}

External::~External()

{

}

nsISupports*

External::GetParentObject() const

{

  return mParent;

}

JSObject*

External::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)

{

  JS::Rooted<JSObject*> obj(aCx, External_Binding::Wrap(aCx, this, aGivenProto));

  if (!obj) {

    return nullptr;

  }

  // Now define it on our chrome object

  JSAutoRealm ar(aCx, mImpl->CallbackGlobalOrNull());

  if (!JS_WrapObject(aCx, &obj)) {

    return nullptr;

  }

  if (!JS_DefineProperty(aCx, mImpl->CallbackOrNull(), "__DOM_IMPL__", obj, 0)) {

    return nullptr;

  }

  return obj;

}

void

External::AddSearchProvider(const nsAString& aDescriptionURL, ErrorResult& aRv, JS::Realm* aRealm)

{

  return mImpl->AddSearchProvider(aDescriptionURL, aRv, aRealm);

}

uint32_t

External::IsSearchProviderInstalled(const nsAString& aSearchURL, ErrorResult& aRv, JS::Realm* aRealm)

{

  return mImpl->IsSearchProviderInstalled(aSearchURL, aRv, aRealm);

}

bool

External::_Create(JSContext* cx, unsigned argc, JS::Value* vp)

{

  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);

  if (args.length() < 2) {

    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "External._create");

  }

  if (!args[0].isObject()) {

    return ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of External._create");

  }

  if (!args[1].isObject()) {

    return ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 2 of External._create");

  }

  // GlobalObject will go through wrappers as needed for us, and

  // is simpler than the right UnwrapArg incantation.

  GlobalObject global(cx, &args[0].toObject());

  if (global.Failed()) {

    return false;

  }

  nsCOMPtr<nsIGlobalObject> globalHolder = do_QueryInterface(global.GetAsSupports());

  MOZ_ASSERT(globalHolder);

  JS::Rooted<JSObject*> arg(cx, &args[1].toObject());

  JS::Rooted<JSObject*> argGlobal(cx, JS::CurrentGlobalOrNull(cx));

  RefPtr<External> impl = new External(arg, argGlobal, globalHolder);

  MOZ_ASSERT(js::IsObjectInContextCompartment(arg, cx));

  return GetOrCreateDOMReflector(cx, impl, args.rval());

}

} // namespace dom

} // namespace mozilla