LCOV - code coverage report
Current view: top level - obj-x86_64-pc-linux-gnu/dom/bindings - SVGAnimatedStringBinding.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 116 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 13 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* THIS FILE IS AUTOGENERATED FROM SVGAnimatedString.webidl BY Codegen.py - DO NOT EDIT */
       2             : 
       3             : #include "SVGAnimatedStringBinding.h"
       4             : #include "WrapperFactory.h"
       5             : #include "mozilla/OwningNonNull.h"
       6             : #include "mozilla/dom/BindingUtils.h"
       7             : #include "mozilla/dom/DOMJSClass.h"
       8             : #include "mozilla/dom/NonRefcountedDOMObject.h"
       9             : #include "mozilla/dom/SVGAnimatedString.h"
      10             : #include "mozilla/dom/XrayExpandoClass.h"
      11             : #include "nsISupports.h"
      12             : #include "xpcjsid.h"
      13             : 
      14             : namespace mozilla {
      15             : namespace dom {
      16             : 
      17             : namespace SVGAnimatedStringBinding {
      18             : 
      19             : static bool
      20           0 : get_baseVal(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SVGAnimatedString* self, JSJitGetterCallArgs args)
      21             : {
      22           0 :   DOMString result;
      23           0 :   self->GetBaseVal(result);
      24           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
      25           0 :   if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
      26           0 :     return false;
      27             :   }
      28           0 :   return true;
      29             : }
      30             : 
      31             : static bool
      32           0 : set_baseVal(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SVGAnimatedString* self, JSJitSetterCallArgs args)
      33             : {
      34           0 :   binding_detail::FakeString arg0;
      35           0 :   if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
      36           0 :     return false;
      37             :   }
      38           0 :   self->SetBaseVal(NonNullHelper(Constify(arg0)));
      39           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
      40             : 
      41           0 :   return true;
      42             : }
      43             : 
      44             : static const JSJitInfo baseVal_getterinfo = {
      45             :   { (JSJitGetterOp)get_baseVal },
      46             :   { prototypes::id::SVGAnimatedString },
      47             :   { PrototypeTraits<prototypes::id::SVGAnimatedString>::Depth },
      48             :   JSJitInfo::Getter,
      49             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
      50             :   JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
      51             :   false,  /* isInfallible. False in setters. */
      52             :   false,  /* isMovable.  Not relevant for setters. */
      53             :   false, /* isEliminatable.  Not relevant for setters. */
      54             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
      55             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
      56             :   false,  /* isTypedMethod.  Only relevant for methods. */
      57             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
      58             : };
      59             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
      60             : static_assert(0 < 1, "There is no slot for us");
      61             : static const JSJitInfo baseVal_setterinfo = {
      62             :   { (JSJitGetterOp)set_baseVal },
      63             :   { prototypes::id::SVGAnimatedString },
      64             :   { PrototypeTraits<prototypes::id::SVGAnimatedString>::Depth },
      65             :   JSJitInfo::Setter,
      66             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
      67             :   JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
      68             :   false,  /* isInfallible. False in setters. */
      69             :   false,  /* isMovable.  Not relevant for setters. */
      70             :   false, /* isEliminatable.  Not relevant for setters. */
      71             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
      72             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
      73             :   false,  /* isTypedMethod.  Only relevant for methods. */
      74             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
      75             : };
      76             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
      77             : static_assert(0 < 1, "There is no slot for us");
      78             : 
      79             : static bool
      80           0 : get_animVal(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SVGAnimatedString* self, JSJitGetterCallArgs args)
      81             : {
      82           0 :   DOMString result;
      83           0 :   self->GetAnimVal(result);
      84           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
      85           0 :   if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
      86           0 :     return false;
      87             :   }
      88           0 :   return true;
      89             : }
      90             : 
      91             : static const JSJitInfo animVal_getterinfo = {
      92             :   { (JSJitGetterOp)get_animVal },
      93             :   { prototypes::id::SVGAnimatedString },
      94             :   { PrototypeTraits<prototypes::id::SVGAnimatedString>::Depth },
      95             :   JSJitInfo::Getter,
      96             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
      97             :   JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
      98             :   false,  /* isInfallible. False in setters. */
      99             :   false,  /* isMovable.  Not relevant for setters. */
     100             :   false, /* isEliminatable.  Not relevant for setters. */
     101             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     102             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     103             :   false,  /* isTypedMethod.  Only relevant for methods. */
     104             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     105             : };
     106             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     107             : static_assert(0 < 1, "There is no slot for us");
     108             : 
     109             : static bool
     110           0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
     111             : {
     112           0 :   mozilla::dom::SVGAnimatedString* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SVGAnimatedString>(obj);
     113             :   // We don't want to preserve if we don't have a wrapper, and we
     114             :   // obviously can't preserve if we're not initialized.
     115           0 :   if (self && self->GetWrapperPreserveColor()) {
     116           0 :     PreserveWrapper(self);
     117             :   }
     118           0 :   return true;
     119             : }
     120             : 
     121             : static void
     122           0 : _finalize(js::FreeOp* fop, JSObject* obj)
     123             : {
     124           0 :   mozilla::dom::SVGAnimatedString* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SVGAnimatedString>(obj);
     125           0 :   if (self) {
     126           0 :     ClearWrapper(self, self, obj);
     127           0 :     AddForDeferredFinalization<mozilla::dom::SVGAnimatedString>(self);
     128             :   }
     129           0 : }
     130             : 
     131             : static void
     132           0 : _objectMoved(JSObject* obj, const JSObject* old)
     133             : {
     134           0 :   mozilla::dom::SVGAnimatedString* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SVGAnimatedString>(obj);
     135           0 :   if (self) {
     136           0 :     UpdateWrapper(self, self, obj, old);
     137             :   }
     138           0 : }
     139             : 
     140             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     141             : #if defined(__clang__)
     142             : #pragma clang diagnostic push
     143             : #pragma clang diagnostic ignored "-Wmissing-braces"
     144             : #endif
     145             : static const JSFunctionSpec sMethods_specs[] = {
     146             :   JS_FNSPEC("QueryInterface", QueryInterface, nullptr, 1, 0, nullptr),
     147             :   JS_FS_END
     148             : };
     149             : #if defined(__clang__)
     150             : #pragma clang diagnostic pop
     151             : #endif
     152             : 
     153             : static PrefableDisablers sMethods_disablers0 = {
     154             :   true, false, 0, &WantsQueryInterface<mozilla::dom::SVGAnimatedString>::Enabled
     155             : };
     156             : 
     157             : // Can't be const because the pref-enabled boolean needs to be writable
     158             : static Prefable<const JSFunctionSpec> sMethods[] = {
     159             :   { &sMethods_disablers0, &sMethods_specs[0] },
     160             :   { nullptr, nullptr }
     161             : };
     162             : 
     163             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     164             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     165             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     166             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     167             : 
     168             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
     169             : #if defined(__clang__)
     170             : #pragma clang diagnostic push
     171             : #pragma clang diagnostic ignored "-Wmissing-braces"
     172             : #endif
     173             : static const JSPropertySpec sAttributes_specs[] = {
     174             :   { "baseVal", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &baseVal_getterinfo, GenericBindingSetter, &baseVal_setterinfo },
     175             :   { "animVal", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &animVal_getterinfo, nullptr, nullptr },
     176             :   { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
     177             : };
     178             : #if defined(__clang__)
     179             : #pragma clang diagnostic pop
     180             : #endif
     181             : 
     182             : 
     183             : // Can't be const because the pref-enabled boolean needs to be writable
     184             : static Prefable<const JSPropertySpec> sAttributes[] = {
     185             :   { nullptr, &sAttributes_specs[0] },
     186             :   { nullptr, nullptr }
     187             : };
     188             : 
     189             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
     190             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
     191             : static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
     192             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
     193             : 
     194             : 
     195             : static uint16_t sNativeProperties_sortedPropertyIndices[3];
     196             : static PropertyInfo sNativeProperties_propertyInfos[3];
     197             : 
     198             : static const NativePropertiesN<2> sNativeProperties = {
     199             :   false, 0,
     200             :   false, 0,
     201             :   true,  0 /* sMethods */,
     202             :   true,  1 /* sAttributes */,
     203             :   false, 0,
     204             :   false, 0,
     205             :   false, 0,
     206             :   -1,
     207             :   3,
     208             :   sNativeProperties_sortedPropertyIndices,
     209             :   {
     210             :     { sMethods, &sNativeProperties_propertyInfos[0] },
     211             :     { sAttributes, &sNativeProperties_propertyInfos[1] }
     212             :   }
     213             : };
     214             : static_assert(3 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
     215             :     "We have a property info count that is oversized");
     216             : 
     217             : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
     218             :   {
     219             :     "Function",
     220             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
     221             :     &sBoringInterfaceObjectClassClassOps,
     222             :     JS_NULL_CLASS_SPEC,
     223             :     JS_NULL_CLASS_EXT,
     224             :     &sInterfaceObjectClassObjectOps
     225             :   },
     226             :   eInterface,
     227             :   true,
     228             :   prototypes::id::SVGAnimatedString,
     229             :   PrototypeTraits<prototypes::id::SVGAnimatedString>::Depth,
     230             :   sNativePropertyHooks,
     231             :   "function SVGAnimatedString() {\n    [native code]\n}",
     232             :   JS::GetRealmFunctionPrototype
     233             : };
     234             : 
     235             : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
     236             :   {
     237             :     "SVGAnimatedStringPrototype",
     238             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
     239             :     JS_NULL_CLASS_OPS,
     240             :     JS_NULL_CLASS_SPEC,
     241             :     JS_NULL_CLASS_EXT,
     242             :     JS_NULL_OBJECT_OPS
     243             :   },
     244             :   eInterfacePrototype,
     245             :   false,
     246             :   prototypes::id::SVGAnimatedString,
     247             :   PrototypeTraits<prototypes::id::SVGAnimatedString>::Depth,
     248             :   sNativePropertyHooks,
     249             :   "[object SVGAnimatedStringPrototype]",
     250             :   JS::GetRealmObjectPrototype
     251             : };
     252             : 
     253             : JSObject*
     254           0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
     255             : {
     256           0 :   return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
     257             : }
     258             : 
     259             : static const js::ClassOps sClassOps = {
     260             :   _addProperty, /* addProperty */
     261             :   nullptr,               /* delProperty */
     262             :   nullptr,               /* getProperty */
     263             :   nullptr,               /* setProperty */
     264             :   nullptr,               /* enumerate */
     265             :   nullptr, /* newEnumerate */
     266             :   nullptr, /* resolve */
     267             :   nullptr, /* mayResolve */
     268             :   _finalize, /* finalize */
     269             :   nullptr, /* call */
     270             :   nullptr,               /* hasInstance */
     271             :   nullptr,               /* construct */
     272             :   nullptr, /* trace */
     273             : };
     274             : 
     275             : static const js::ClassExtension sClassExtension = {
     276             :   nullptr, /* weakmapKeyDelegateOp */
     277             :   _objectMoved /* objectMovedOp */
     278             : };
     279             : 
     280             : static const DOMJSClass sClass = {
     281             :   { "SVGAnimatedString",
     282             :     JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
     283             :     &sClassOps,
     284             :     JS_NULL_CLASS_SPEC,
     285             :     &sClassExtension,
     286             :     JS_NULL_OBJECT_OPS
     287             :   },
     288             :   { prototypes::id::SVGAnimatedString, 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 },
     289             :   IsBaseOf<nsISupports, mozilla::dom::SVGAnimatedString >::value,
     290             :   sNativePropertyHooks,
     291             :   FindAssociatedGlobalForNative<mozilla::dom::SVGAnimatedString>::Get,
     292             :   GetProtoObjectHandle,
     293             :   GetCCParticipant<mozilla::dom::SVGAnimatedString>::Get()
     294             : };
     295             : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
     296             :               "Must have the right minimal number of reserved slots.");
     297             : static_assert(1 >= 1,
     298             :               "Must have enough reserved slots.");
     299             : 
     300             : const JSClass*
     301           0 : GetJSClass()
     302             : {
     303           0 :   return sClass.ToJSClass();
     304             : }
     305             : 
     306             : bool
     307           0 : Wrap(JSContext* aCx, mozilla::dom::SVGAnimatedString* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
     308             : {
     309             :   MOZ_ASSERT(static_cast<mozilla::dom::SVGAnimatedString*>(aObject) ==
     310             :              reinterpret_cast<mozilla::dom::SVGAnimatedString*>(aObject),
     311             :              "Multiple inheritance for mozilla::dom::SVGAnimatedString is broken.");
     312           0 :   MOZ_ASSERT(ToSupportsIsCorrect(aObject));
     313           0 :   MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
     314           0 :   MOZ_ASSERT(!aCache->GetWrapper(),
     315             :              "You should probably not be using Wrap() directly; use "
     316             :              "GetOrCreateDOMReflector instead");
     317             : 
     318           0 :   MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
     319             :              "nsISupports must be on our primary inheritance chain");
     320             : 
     321           0 :   JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
     322           0 :   if (!global) {
     323           0 :     return false;
     324             :   }
     325           0 :   MOZ_ASSERT(JS_IsGlobalObject(global));
     326           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(global));
     327             : 
     328             :   // That might have ended up wrapping us already, due to the wonders
     329             :   // of XBL.  Check for that, and bail out as needed.
     330           0 :   aReflector.set(aCache->GetWrapper());
     331           0 :   if (aReflector) {
     332             : #ifdef DEBUG
     333           0 :     binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
     334             : #endif // DEBUG
     335           0 :     return true;
     336             :   }
     337             : 
     338           0 :   JSAutoCompartment ac(aCx, global);
     339           0 :   JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
     340           0 :   if (!canonicalProto) {
     341           0 :     return false;
     342             :   }
     343           0 :   JS::Rooted<JSObject*> proto(aCx);
     344           0 :   if (aGivenProto) {
     345           0 :     proto = aGivenProto;
     346             :     // Unfortunately, while aGivenProto was in the compartment of aCx
     347             :     // coming in, we changed compartments to that of "parent" so may need
     348             :     // to wrap the proto here.
     349           0 :     if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
     350           0 :       if (!JS_WrapObject(aCx, &proto)) {
     351           0 :         return false;
     352             :       }
     353             :     }
     354             :   } else {
     355           0 :     proto = canonicalProto;
     356             :   }
     357             : 
     358           0 :   BindingJSObjectCreator<mozilla::dom::SVGAnimatedString> creator(aCx);
     359           0 :   creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
     360           0 :   if (!aReflector) {
     361           0 :     return false;
     362             :   }
     363             : 
     364           0 :   aCache->SetWrapper(aReflector);
     365           0 :   creator.InitializationSucceeded();
     366             : 
     367           0 :   MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
     368             :              aCache->GetWrapperPreserveColor() == aReflector);
     369             :   // If proto != canonicalProto, we have to preserve our wrapper;
     370             :   // otherwise we won't be able to properly recreate it later, since
     371             :   // we won't know what proto to use.  Note that we don't check
     372             :   // aGivenProto here, since it's entirely possible (and even
     373             :   // somewhat common) to have a non-null aGivenProto which is the
     374             :   // same as canonicalProto.
     375           0 :   if (proto != canonicalProto) {
     376           0 :     PreserveWrapper(aObject);
     377             :   }
     378             : 
     379           0 :   return true;
     380             : }
     381             : 
     382             : const NativePropertyHooks sNativePropertyHooks[] = { {
     383             :   nullptr,
     384             :   nullptr,
     385             :   nullptr,
     386             :   { sNativeProperties.Upcast(), nullptr },
     387             :   prototypes::id::SVGAnimatedString,
     388             :   constructors::id::SVGAnimatedString,
     389             :   nullptr,
     390             :   &DefaultXrayExpandoObjectClass
     391             : } };
     392             : 
     393             : void
     394           0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
     395             : {
     396           0 :   JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
     397           0 :   if (!parentProto) {
     398           0 :     return;
     399             :   }
     400             : 
     401           0 :   JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
     402           0 :   if (!constructorProto) {
     403           0 :     return;
     404             :   }
     405             : 
     406             :   static bool sIdsInited = false;
     407           0 :   if (!sIdsInited && NS_IsMainThread()) {
     408           0 :     if (!InitIds(aCx, sNativeProperties.Upcast())) {
     409           0 :       return;
     410             :     }
     411           0 :     sIdsInited = true;
     412             :   }
     413             : 
     414           0 :   JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::SVGAnimatedString);
     415           0 :   JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::SVGAnimatedString);
     416           0 :   dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
     417             :                               &sPrototypeClass.mBase, protoCache,
     418             :                               constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
     419             :                               interfaceCache,
     420             :                               sNativeProperties.Upcast(),
     421             :                               nullptr,
     422             :                               "SVGAnimatedString", aDefineOnGlobal,
     423             :                               nullptr,
     424           0 :                               false);
     425             : }
     426             : 
     427             : JS::Handle<JSObject*>
     428           0 : GetProtoObjectHandle(JSContext* aCx)
     429             : {
     430             :   /* Get the interface prototype object for this class.  This will create the
     431             :      object as needed. */
     432           0 :   bool aDefineOnGlobal = true;
     433             : 
     434             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
     435           0 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
     436           0 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
     437           0 :     return nullptr;
     438             :   }
     439             : 
     440             :   /* Check to see whether the interface objects are already installed */
     441           0 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
     442           0 :   if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::SVGAnimatedString)) {
     443           0 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
     444           0 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
     445             :   }
     446             : 
     447             :   /*
     448             :    * The object might _still_ be null, but that's OK.
     449             :    *
     450             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
     451             :    * traced by TraceProtoAndIfaceCache() and its contents are never
     452             :    * changed after they have been set.
     453             :    *
     454             :    * Calling address() avoids the read read barrier that does gray
     455             :    * unmarking, but it's not possible for the object to be gray here.
     456             :    */
     457             : 
     458           0 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::SVGAnimatedString);
     459           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
     460           0 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
     461             : }
     462             : 
     463             : JS::Handle<JSObject*>
     464           0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
     465             : {
     466             :   /* Get the interface object for this class.  This will create the object as
     467             :      needed. */
     468             : 
     469             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
     470           0 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
     471           0 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
     472           0 :     return nullptr;
     473             :   }
     474             : 
     475             :   /* Check to see whether the interface objects are already installed */
     476           0 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
     477           0 :   if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::SVGAnimatedString)) {
     478           0 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
     479           0 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
     480             :   }
     481             : 
     482             :   /*
     483             :    * The object might _still_ be null, but that's OK.
     484             :    *
     485             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
     486             :    * traced by TraceProtoAndIfaceCache() and its contents are never
     487             :    * changed after they have been set.
     488             :    *
     489             :    * Calling address() avoids the read read barrier that does gray
     490             :    * unmarking, but it's not possible for the object to be gray here.
     491             :    */
     492             : 
     493           0 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::SVGAnimatedString);
     494           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
     495           0 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
     496             : }
     497             : 
     498             : JSObject*
     499           0 : GetConstructorObject(JSContext* aCx)
     500             : {
     501           0 :   return GetConstructorObjectHandle(aCx);
     502             : }
     503             : 
     504             : } // namespace SVGAnimatedStringBinding
     505             : 
     506             : 
     507             : 
     508             : } // namespace dom
     509             : } // namespace mozilla

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