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

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

#include "AtomList.h"
#include "PeriodicWaveBinding.h"
#include "WrapperFactory.h"
#include "mozilla/FloatingPoint.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/AudioContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PeriodicWave.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/XrayExpandoClass.h"

namespace mozilla {
namespace dom {

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



PeriodicWaveConstraints::PeriodicWaveConstraints()
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
PeriodicWaveConstraints::InitIds(JSContext* cx, PeriodicWaveConstraintsAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->disableNormalization_id.init(cx, "disableNormalization")) {
    return false;
  }
  return true;
}

bool
PeriodicWaveConstraints::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  PeriodicWaveConstraintsAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<PeriodicWaveConstraintsAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->disableNormalization_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mDisableNormalization)) {
      return false;
    }
  } else {
    mDisableNormalization = false;
  }
  mIsAnyMemberPresent = true;
  return true;
}

bool
PeriodicWaveConstraints::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
PeriodicWaveConstraints::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  PeriodicWaveConstraintsAtoms* atomsCache = GetAtomCache<PeriodicWaveConstraintsAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    bool const & currentValue = mDisableNormalization;
    temp.setBoolean(currentValue);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->disableNormalization_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  return true;
}

bool
PeriodicWaveConstraints::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
PeriodicWaveConstraints::TraceDictionary(JSTracer* trc)
{
}

PeriodicWaveConstraints&
PeriodicWaveConstraints::operator=(const PeriodicWaveConstraints& aOther)
{
  DictionaryBase::operator=(aOther);
  mDisableNormalization = aOther.mDisableNormalization;
  return *this;
}

namespace binding_detail {
} // namespace binding_detail



PeriodicWaveOptions::PeriodicWaveOptions()
  : PeriodicWaveConstraints(FastDictionaryInitializer())
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
PeriodicWaveOptions::InitIds(JSContext* cx, PeriodicWaveOptionsAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->real_id.init(cx, "real") ||
      !atomsCache->imag_id.init(cx, "imag")) {
    return false;
  }
  return true;
}

bool
PeriodicWaveOptions::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  PeriodicWaveOptionsAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<PeriodicWaveOptionsAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  // Per spec, we init the parent's members first
  if (!PeriodicWaveConstraints::Init(cx, val)) {
    return false;
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->imag_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mImag.Construct();
    if (temp.ref().isObject()) {
      JS::ForOfIterator iter(cx);
      if (!iter.init(temp.ref(), JS::ForOfIterator::AllowNonIterable)) {
        return false;
      }
      if (!iter.valueIsIterable()) {
        ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'imag' member of PeriodicWaveOptions");
        return false;
      }
      Sequence<float> &arr = (mImag.Value());
      JS::Rooted<JS::Value> temp(cx);
      while (true) {
        bool done;
        if (!iter.next(&temp, &done)) {
          return false;
        }
        if (done) {
          break;
        }
        float* slotPtr = arr.AppendElement(mozilla::fallible);
        if (!slotPtr) {
          JS_ReportOutOfMemory(cx);
          return false;
        }
        float& slot = *slotPtr;
        if (!ValueToPrimitive<float, eDefault>(cx, temp, &slot)) {
          return false;
        } else if (!mozilla::IsFinite(slot)) {
          ThrowErrorMessage(cx, MSG_NOT_FINITE, "Element of 'imag' member of PeriodicWaveOptions");
          return false;
        }
      }
    } else {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'imag' member of PeriodicWaveOptions");
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->real_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mReal.Construct();
    if (temp.ref().isObject()) {
      JS::ForOfIterator iter(cx);
      if (!iter.init(temp.ref(), JS::ForOfIterator::AllowNonIterable)) {
        return false;
      }
      if (!iter.valueIsIterable()) {
        ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'real' member of PeriodicWaveOptions");
        return false;
      }
      Sequence<float> &arr = (mReal.Value());
      JS::Rooted<JS::Value> temp(cx);
      while (true) {
        bool done;
        if (!iter.next(&temp, &done)) {
          return false;
        }
        if (done) {
          break;
        }
        float* slotPtr = arr.AppendElement(mozilla::fallible);
        if (!slotPtr) {
          JS_ReportOutOfMemory(cx);
          return false;
        }
        float& slot = *slotPtr;
        if (!ValueToPrimitive<float, eDefault>(cx, temp, &slot)) {
          return false;
        } else if (!mozilla::IsFinite(slot)) {
          ThrowErrorMessage(cx, MSG_NOT_FINITE, "Element of 'real' member of PeriodicWaveOptions");
          return false;
        }
      }
    } else {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'real' member of PeriodicWaveOptions");
      return false;
    }
    mIsAnyMemberPresent = true;
  }
  return true;
}

bool
PeriodicWaveOptions::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
PeriodicWaveOptions::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  PeriodicWaveOptionsAtoms* atomsCache = GetAtomCache<PeriodicWaveOptionsAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  // Per spec, we define the parent's members first
  if (!PeriodicWaveConstraints::ToObjectInternal(cx, rval)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &rval.toObject());

  if (mImag.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      Sequence<float> const & currentValue = mImag.InternalValue();

      uint32_t length = currentValue.Length();
      JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
      if (!returnArray) {
        return false;
      }
      // 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 {
            tmp.set(JS_NumberValue(double(currentValue[sequenceIdx0])));
            break;
          } while (false);
          if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                                JSPROP_ENUMERATE)) {
            return false;
          }
        }
      }
      temp.setObject(*returnArray);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->imag_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mReal.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      Sequence<float> const & currentValue = mReal.InternalValue();

      uint32_t length = currentValue.Length();
      JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
      if (!returnArray) {
        return false;
      }
      // 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 {
            tmp.set(JS_NumberValue(double(currentValue[sequenceIdx0])));
            break;
          } while (false);
          if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                                JSPROP_ENUMERATE)) {
            return false;
          }
        }
      }
      temp.setObject(*returnArray);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->real_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  return true;
}

bool
PeriodicWaveOptions::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
PeriodicWaveOptions::TraceDictionary(JSTracer* trc)
{
  PeriodicWaveConstraints::TraceDictionary(trc);
}

PeriodicWaveOptions&
PeriodicWaveOptions::operator=(const PeriodicWaveOptions& aOther)
{
  PeriodicWaveConstraints::operator=(aOther);
  mImag.Reset();
  if (aOther.mImag.WasPassed()) {
    mImag.Construct(aOther.mImag.Value());
  }
  mReal.Reset();
  if (aOther.mReal.WasPassed()) {
    mReal.Construct(aOther.mReal.Value());
  }
  return *this;
}

namespace binding_detail {
} // namespace binding_detail


namespace PeriodicWave_Binding {

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

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

  return 0;
}

static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("PeriodicWave 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, "PeriodicWave");
  }

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

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

  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  NonNull<mozilla::dom::AudioContext> arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::BaseAudioContext, mozilla::dom::AudioContext>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of PeriodicWave.constructor", "BaseAudioContext");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of PeriodicWave.constructor");
    return false;
  }
  binding_detail::FastPeriodicWaveOptions arg1;
  if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of PeriodicWave.constructor", false)) {
    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::PeriodicWave>(mozilla::dom::PeriodicWave::Constructor(global, MOZ_KnownLive(NonNullHelper(arg0)), Constify(arg1), 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::PeriodicWave,
  PrototypeTraits<prototypes::id::PeriodicWave>::Depth,
  sNativePropertyHooks,
  "function PeriodicWave() {\n    [native code]\n}",
  JS::GetRealmFunctionPrototype
};

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

bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
  static bool sPrefValue;
  static bool sPrefCacheSetUp = false;
  if (!sPrefCacheSetUp) {
    sPrefCacheSetUp = true;
    Preferences::AddBoolVarCache(&sPrefValue, "dom.webaudio.enabled");
  }

  return sPrefValue;
}

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 = {
  { "PeriodicWave",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::PeriodicWave, 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::PeriodicWave >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::PeriodicWave>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::PeriodicWave>::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::PeriodicWave* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::PeriodicWave>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::PeriodicWave*>(aObject) ==
             reinterpret_cast<mozilla::dom::PeriodicWave*>(aObject),
             "Multiple inheritance for mozilla::dom::PeriodicWave 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::PeriodicWave> 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::PeriodicWave,
  constructors::id::PeriodicWave,
  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::PeriodicWave);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::PeriodicWave);
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              nullptr,
                              constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
                              interfaceCache,
                              nullptr,
                              nullptr,
                              "PeriodicWave", aDefineOnGlobal,
                              nullptr,
                              false);
}

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

} // namespace PeriodicWave_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53