/work/obj-fuzz/dom/bindings/PlacesObserversBinding.cpp

Source (jump to first uncovered line)
/* THIS FILE IS AUTOGENERATED FROM PlacesObservers.webidl BY Codegen.py - DO NOT EDIT */

#include "PlacesObserversBinding.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/PlacesEvent.h"
#include "mozilla/dom/PlacesObservers.h"
#include "mozilla/dom/PlacesWeakCallbackWrapper.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsContentUtils.h"

namespace mozilla {
namespace dom {

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


void
PlacesEventCallback::Call(JSContext* cx, JS::Handle<JS::Value> aThisVal, const Sequence<OwningNonNull<PlacesEvent>>& events, ErrorResult& aRv)
{
  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 {

    uint32_t length = events.Length();
    JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
    if (!returnArray) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    // Scope for 'tmp'
    {
      JS::Rooted<JS::Value> tmp(cx);
      for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) {
        // Control block to let us common up the JS_DefineElement calls when there
        // are different ways to succeed at wrapping the object.
        do {
          if (!GetOrCreateDOMReflector(cx, events[sequenceIdx0], &tmp)) {
            MOZ_ASSERT(JS_IsExceptionPending(cx));
            aRv.Throw(NS_ERROR_UNEXPECTED);
            return;
          }
          break;
        } while (false);
        if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                              JSPROP_ENUMERATE)) {
          aRv.Throw(NS_ERROR_UNEXPECTED);
          return;
        }
      }
    }
    argv[0].setObject(*returnArray);
    break;
  } while (false);

  JS::Rooted<JS::Value> callable(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, aThisVal, callable,
                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
}



namespace binding_detail {
} // namespace binding_detail


namespace PlacesObservers_Binding {

static bool
addListener(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("PlacesObservers.addListener", DOM, cx);

  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  JS::Rooted<JSObject*> obj(cx, &args.callee());

  unsigned argcount = std::min(args.length(), 2u);
  switch (argcount) {
    case 2: {
      binding_detail::AutoSequence<PlacesEventType> arg0;
      if (args[0].isObject()) {
        JS::ForOfIterator iter(cx);
        if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
          return false;
        }
        if (!iter.valueIsIterable()) {
          ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of PlacesObservers.addListener");
          return false;
        }
        binding_detail::AutoSequence<PlacesEventType> &arr = arg0;
        JS::Rooted<JS::Value> temp(cx);
        while (true) {
          bool done;
          if (!iter.next(&temp, &done)) {
            return false;
          }
          if (done) {
            break;
          }
          PlacesEventType* slotPtr = arr.AppendElement(mozilla::fallible);
          if (!slotPtr) {
            JS_ReportOutOfMemory(cx);
            return false;
          }
          PlacesEventType& slot = *slotPtr;
          {
            int index;
            if (!FindEnumStringIndex<true>(cx, temp, PlacesEventTypeValues::strings, "PlacesEventType", "Element of argument 1 of PlacesObservers.addListener", &index)) {
              return false;
            }
            MOZ_ASSERT(index >= 0);
            slot = static_cast<PlacesEventType>(index);
          }
        }
      } else {
        ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of PlacesObservers.addListener");
        return false;
      }
      if (args[1].isObject()) {
        do {
          NonNull<mozilla::dom::PlacesWeakCallbackWrapper> arg1;
          {
            nsresult rv = UnwrapObject<prototypes::id::PlacesWeakCallbackWrapper, mozilla::dom::PlacesWeakCallbackWrapper>(args[1], arg1);
            if (NS_FAILED(rv)) {
              break;
            }
          }
          GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj));
          if (global.Failed()) {
            return false;
          }

          FastErrorResult rv;
          mozilla::dom::PlacesObservers::AddListener(global, Constify(arg0), MOZ_KnownLive(NonNullHelper(arg1)), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (false);
        do {
          RootedCallback<OwningNonNull<binding_detail::FastPlacesEventCallback>> arg1(cx);
          if (JS::IsCallable(&args[1].toObject())) {
          { // scope for tempRoot and tempGlobalRoot if needed
            arg1 = new binding_detail::FastPlacesEventCallback(&args[1].toObject(), JS::CurrentGlobalOrNull(cx));
          }
          } else {
            break;
          }
          GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj));
          if (global.Failed()) {
            return false;
          }

          FastErrorResult rv;
          mozilla::dom::PlacesObservers::AddListener(global, Constify(arg0), NonNullHelper(arg1), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (false);
      }
      return ThrowErrorMessage(cx, MSG_OVERLOAD_RESOLUTION_FAILED, "2", "2", "PlacesObservers.addListener");
      break;
    }
    default: {
      return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "PlacesObservers.addListener");
      break;
    }
  }
  MOZ_CRASH("We have an always-returning default case");
  return false;
}

static bool
removeListener(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("PlacesObservers.removeListener", DOM, cx);

  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  JS::Rooted<JSObject*> obj(cx, &args.callee());

  unsigned argcount = std::min(args.length(), 2u);
  switch (argcount) {
    case 2: {
      binding_detail::AutoSequence<PlacesEventType> arg0;
      if (args[0].isObject()) {
        JS::ForOfIterator iter(cx);
        if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
          return false;
        }
        if (!iter.valueIsIterable()) {
          ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of PlacesObservers.removeListener");
          return false;
        }
        binding_detail::AutoSequence<PlacesEventType> &arr = arg0;
        JS::Rooted<JS::Value> temp(cx);
        while (true) {
          bool done;
          if (!iter.next(&temp, &done)) {
            return false;
          }
          if (done) {
            break;
          }
          PlacesEventType* slotPtr = arr.AppendElement(mozilla::fallible);
          if (!slotPtr) {
            JS_ReportOutOfMemory(cx);
            return false;
          }
          PlacesEventType& slot = *slotPtr;
          {
            int index;
            if (!FindEnumStringIndex<true>(cx, temp, PlacesEventTypeValues::strings, "PlacesEventType", "Element of argument 1 of PlacesObservers.removeListener", &index)) {
              return false;
            }
            MOZ_ASSERT(index >= 0);
            slot = static_cast<PlacesEventType>(index);
          }
        }
      } else {
        ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of PlacesObservers.removeListener");
        return false;
      }
      if (args[1].isObject()) {
        do {
          NonNull<mozilla::dom::PlacesWeakCallbackWrapper> arg1;
          {
            nsresult rv = UnwrapObject<prototypes::id::PlacesWeakCallbackWrapper, mozilla::dom::PlacesWeakCallbackWrapper>(args[1], arg1);
            if (NS_FAILED(rv)) {
              break;
            }
          }
          GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj));
          if (global.Failed()) {
            return false;
          }

          FastErrorResult rv;
          mozilla::dom::PlacesObservers::RemoveListener(global, Constify(arg0), MOZ_KnownLive(NonNullHelper(arg1)), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (false);
        do {
          RootedCallback<OwningNonNull<binding_detail::FastPlacesEventCallback>> arg1(cx);
          if (JS::IsCallable(&args[1].toObject())) {
          { // scope for tempRoot and tempGlobalRoot if needed
            arg1 = new binding_detail::FastPlacesEventCallback(&args[1].toObject(), JS::CurrentGlobalOrNull(cx));
          }
          } else {
            break;
          }
          GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj));
          if (global.Failed()) {
            return false;
          }

          FastErrorResult rv;
          mozilla::dom::PlacesObservers::RemoveListener(global, Constify(arg0), NonNullHelper(arg1), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (false);
      }
      return ThrowErrorMessage(cx, MSG_OVERLOAD_RESOLUTION_FAILED, "2", "2", "PlacesObservers.removeListener");
      break;
    }
    default: {
      return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "PlacesObservers.removeListener");
      break;
    }
  }
  MOZ_CRASH("We have an always-returning default case");
  return false;
}

static bool
notifyListeners(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("PlacesObservers.notifyListeners", DOM, cx);

  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  JS::Rooted<JSObject*> obj(cx, &args.callee());

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "PlacesObservers.notifyListeners");
  }
  GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj));
  if (global.Failed()) {
    return false;
  }

  binding_detail::AutoSequence<OwningNonNull<mozilla::dom::PlacesEvent>> arg0;
  if (args[0].isObject()) {
    JS::ForOfIterator iter(cx);
    if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
      return false;
    }
    if (!iter.valueIsIterable()) {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of PlacesObservers.notifyListeners");
      return false;
    }
    binding_detail::AutoSequence<OwningNonNull<mozilla::dom::PlacesEvent>> &arr = arg0;
    JS::Rooted<JS::Value> temp(cx);
    while (true) {
      bool done;
      if (!iter.next(&temp, &done)) {
        return false;
      }
      if (done) {
        break;
      }
      OwningNonNull<mozilla::dom::PlacesEvent>* slotPtr = arr.AppendElement(mozilla::fallible);
      if (!slotPtr) {
        JS_ReportOutOfMemory(cx);
        return false;
      }
      OwningNonNull<mozilla::dom::PlacesEvent>& slot = *slotPtr;
      if (temp.isObject()) {
        static_assert(IsRefcounted<mozilla::dom::PlacesEvent>::value, "We can only store refcounted classes.");{
          nsresult rv = UnwrapObject<prototypes::id::PlacesEvent, mozilla::dom::PlacesEvent>(&temp, slot);
          if (NS_FAILED(rv)) {
            ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Element of argument 1 of PlacesObservers.notifyListeners", "PlacesEvent");
            return false;
          }
        }
      } else {
        ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Element of argument 1 of PlacesObservers.notifyListeners");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of PlacesObservers.notifyListeners");
    return false;
  }
  FastErrorResult rv;
  mozilla::dom::PlacesObservers::NotifyListeners(global, Constify(arg0), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

// 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 sStaticMethods_specs[] = {
  JS_FNSPEC("addListener", addListener, nullptr, 2, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("removeListener", removeListener, nullptr, 2, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("notifyListeners", notifyListeners, nullptr, 1, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> sStaticMethods[] = {
  { nullptr, &sStaticMethods_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(3 <= 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[3];
static PropertyInfo sNativeProperties_propertyInfos[3];

static const NativePropertiesN<1> sNativeProperties = {
  true,  0 /* sStaticMethods */,
  false, 0,
  false, 0,
  false, 0,
  false, 0,
  false, 0,
  false, 0,
  -1,
  3,
  sNativeProperties_sortedPropertyIndices,
  {
    { sStaticMethods, &sNativeProperties_propertyInfos[0] }
  }
};
static_assert(3 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
  {
    "Object",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
    JS_NULL_CLASS_OPS,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    JS_NULL_OBJECT_OPS
  },
  eInterface,
  false,
  prototypes::id::_ID_Count,
  0,
  sNativePropertyHooks,
  "[object Object]",
  JS::GetRealmObjectPrototype
};

bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
  return nsContentUtils::ThreadsafeIsSystemCaller(aCx);
}

const NativePropertyHooks sNativePropertyHooks[] = { {
  nullptr,
  nullptr,
  nullptr,
  { sNativeProperties.Upcast(), nullptr },
  prototypes::id::_ID_Count,
  constructors::id::PlacesObservers,
  nullptr,
  &DefaultXrayExpandoObjectClass
} };

void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmObjectPrototype(aCx));
  if (!constructorProto) {
    return;
  }

  static bool sIdsInited = false;
  if (!sIdsInited && NS_IsMainThread()) {
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
      return;
    }
    sIdsInited = true;
  }

  JS::Heap<JSObject*>* protoCache = nullptr;
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::PlacesObservers);
  dom::CreateInterfaceObjects(aCx, aGlobal, nullptr,
                              nullptr, protoCache,
                              nullptr,
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              nullptr,
                              "PlacesObservers", aDefineOnGlobal,
                              nullptr,
                              false);
}

JSObject*
GetConstructorObject(JSContext* aCx)
{
  return GetConstructorObjectHandle(aCx);
}

} // namespace PlacesObservers_Binding



namespace PlacesWeakCallbackWrapper_Binding {

static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
  mozilla::dom::PlacesWeakCallbackWrapper* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::PlacesWeakCallbackWrapper>(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::PlacesWeakCallbackWrapper* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::PlacesWeakCallbackWrapper>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::PlacesWeakCallbackWrapper>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::PlacesWeakCallbackWrapper* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::PlacesWeakCallbackWrapper>(obj);
  if (self) {
    UpdateWrapper(self, self, obj, old);
  }

  return 0;
}

static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("PlacesWeakCallbackWrapper constructor", DOM, cx);

  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  JS::Rooted<JSObject*> obj(cx, &args.callee());
  if (!args.isConstructing()) {
    // XXXbz wish I could get the name from the callee instead of
    // Adding more relocations
    return ThrowConstructorWithoutNew(cx, "PlacesWeakCallbackWrapper");
  }

  JS::Rooted<JSObject*> desiredProto(cx);
  if (!GetDesiredProto(cx, args, &desiredProto)) {
    return false;
  }

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "PlacesWeakCallbackWrapper");
  }
  GlobalObject global(cx, obj);
  if (global.Failed()) {
    return false;
  }

  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  RootedCallback<OwningNonNull<binding_detail::FastPlacesEventCallback>> arg0(cx);
  if (args[0].isObject()) {
    if (JS::IsCallable(&args[0].toObject())) {
    { // scope for tempRoot and tempGlobalRoot if needed
      arg0 = new binding_detail::FastPlacesEventCallback(&args[0].toObject(), JS::CurrentGlobalOrNull(cx));
    }
    } else {
      ThrowErrorMessage(cx, MSG_NOT_CALLABLE, "Argument 1 of PlacesWeakCallbackWrapper.constructor");
      return false;
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of PlacesWeakCallbackWrapper.constructor");
    return false;
  }
  Maybe<JSAutoRealm> ar;
  if (objIsXray) {
    obj = js::CheckedUnwrap(obj);
    if (!obj) {
      return false;
    }
    ar.emplace(cx, obj);
    if (!JS_WrapObject(cx, &desiredProto)) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::PlacesWeakCallbackWrapper>(mozilla::dom::PlacesWeakCallbackWrapper::Constructor(global, NonNullHelper(arg0), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  static_assert(!IsPointer<decltype(result)>::value,
                "NewObject implies that we need to keep the object alive with a strong reference.");
  if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const js::ClassOps sInterfaceObjectClassOps = {
    nullptr,               /* addProperty */
    nullptr,               /* delProperty */
    nullptr,               /* enumerate */
    nullptr,               /* newEnumerate */
    nullptr,               /* resolve */
    nullptr,               /* mayResolve */
    nullptr,               /* finalize */
    _constructor, /* call */
    nullptr,               /* hasInstance */
    _constructor, /* construct */
    nullptr,               /* trace */
};

static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
  {
    "Function",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
    &sInterfaceObjectClassOps,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    &sInterfaceObjectClassObjectOps
  },
  eInterface,
  true,
  prototypes::id::PlacesWeakCallbackWrapper,
  PrototypeTraits<prototypes::id::PlacesWeakCallbackWrapper>::Depth,
  sNativePropertyHooks,
  "function PlacesWeakCallbackWrapper() {\n    [native code]\n}",
  JS::GetRealmFunctionPrototype
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "PlacesWeakCallbackWrapperPrototype",
    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::PlacesWeakCallbackWrapper,
  PrototypeTraits<prototypes::id::PlacesWeakCallbackWrapper>::Depth,
  sNativePropertyHooks,
  "[object PlacesWeakCallbackWrapperPrototype]",
  JS::GetRealmObjectPrototype
};

bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
  return nsContentUtils::ThreadsafeIsSystemCaller(aCx);
}

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 = {
  { "PlacesWeakCallbackWrapper",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::PlacesWeakCallbackWrapper, 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::PlacesWeakCallbackWrapper >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::PlacesWeakCallbackWrapper>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::PlacesWeakCallbackWrapper>::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::PlacesWeakCallbackWrapper* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::PlacesWeakCallbackWrapper>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::PlacesWeakCallbackWrapper*>(aObject) ==
             reinterpret_cast<mozilla::dom::PlacesWeakCallbackWrapper*>(aObject),
             "Multiple inheritance for mozilla::dom::PlacesWeakCallbackWrapper 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::PlacesWeakCallbackWrapper> 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,
  { nullptr, nullptr },
  prototypes::id::PlacesWeakCallbackWrapper,
  constructors::id::PlacesWeakCallbackWrapper,
  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;
  }

  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
  if (!constructorProto) {
    return;
  }

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::PlacesWeakCallbackWrapper);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::PlacesWeakCallbackWrapper);
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              nullptr,
                              constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
                              interfaceCache,
                              nullptr,
                              nullptr,
                              "PlacesWeakCallbackWrapper", aDefineOnGlobal,
                              nullptr,
                              false);
}

JSObject*
GetConstructorObject(JSContext* aCx)
{
  return GetConstructorObjectHandle(aCx);
}

} // namespace PlacesWeakCallbackWrapper_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53