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

#include <type_traits>
#include "AtomList.h"
#include "ElementBinding.h"
#include "HTMLElementBinding.h"
#include "HTMLSlotElementBinding.h"
#include "MainThreadUtils.h"
#include "WrapperFactory.h"
#include "XrayWrapper.h"
#include "js/Array.h"
#include "js/CallAndConstruct.h"
#include "js/Exception.h"
#include "js/ForOfIterator.h"
#include "js/MapAndSet.h"
#include "js/Object.h"
#include "js/PropertyAndElement.h"
#include "js/PropertyDescriptor.h"
#include "js/experimental/JitInfo.h"
#include "mozilla/Atomics.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/CustomElementRegistry.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/DocGroup.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/HTMLSlotElement.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsIContent.h"
#include "nsTextNode.h"

namespace mozilla::dom {

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


void
ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningElementOrText& aUnion, const char* aName, uint32_t aFlags)
{
  if (aUnion.IsElement()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsElement(), "mElement", aFlags);
  } else if (aUnion.IsText()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsText(), "mText", aFlags);
  }
}


void
ImplCycleCollectionUnlink(OwningElementOrText& aUnion)
{
  aUnion.Uninit();
}



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




bool
AssignedNodesOptions::InitIds(JSContext* cx, AssignedNodesOptionsAtoms* atomsCache)
{
  MOZ_ASSERT(reinterpret_cast<jsid*>(atomsCache)->isVoid());

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

bool
AssignedNodesOptions::Init(BindingCallContext& 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());
  AssignedNodesOptionsAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<AssignedNodesOptionsAtoms>(cx);
    if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
        !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return cx.ThrowErrorMessage<MSG_CONVERSION_ERROR>(sourceDescription, "dictionary");
  }

  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->flatten_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), "'flatten' member of AssignedNodesOptions", &mFlatten)) {
      return false;
    }
  } else {
    mFlatten = false;
  }
  mIsAnyMemberPresent = true;
  return true;
}

bool
AssignedNodesOptions::Init(JSContext* cx_, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // We don't want to use sourceDescription for our context here;
  // that's not really what it's formatted for.
  BindingCallContext cx(cx_, nullptr);
  return Init(cx, val, sourceDescription, passedToJSImpl);
}

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

AssignedNodesOptions&
AssignedNodesOptions::operator=(const AssignedNodesOptions& aOther)
{
  MaybeEmptyDictionaryBase::operator=(aOther);
  mFlatten = aOther.mFlatten;
  return *this;
}


bool
ElementOrText::TrySetToElement(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    NonNull<mozilla::dom::Element>& memberSlot = RawSetAsElement();
    {
      // Our JSContext should be in the right global to do unwrapping in.
      nsresult rv = UnwrapObject<prototypes::id::Element, mozilla::dom::Element>(value, memberSlot, cx);
      if (NS_FAILED(rv)) {
        DestroyElement();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

bool
ElementOrText::TrySetToElement(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  BindingCallContext cx(cx_, nullptr);
  return TrySetToElement(cx, value, tryNext, passedToJSImpl);
}







bool
ElementOrText::TrySetToText(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    NonNull<mozilla::dom::Text>& memberSlot = RawSetAsText();
    {
      // Our JSContext should be in the right global to do unwrapping in.
      nsresult rv = UnwrapObject<prototypes::id::Text, mozilla::dom::Text>(value, memberSlot, cx);
      if (NS_FAILED(rv)) {
        DestroyText();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

bool
ElementOrText::TrySetToText(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  BindingCallContext cx(cx_, nullptr);
  return TrySetToText(cx, value, tryNext, passedToJSImpl);
}







bool
ElementOrText::Init(BindingCallContext& cx, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
  MOZ_ASSERT(mType == eUninitialized);

  bool done = false, failed = false, tryNext;
  if (value.isObject()) {
    done = (failed = !TrySetToElement(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
           (failed = !TrySetToText(cx, value, tryNext, passedToJSImpl)) || !tryNext;
  }
  if (failed) {
    return false;
  }
  if (!done) {
    cx.ThrowErrorMessage<MSG_NOT_IN_UNION>(sourceDescription, "Element, Text");
    return false;
  }
  return true;
}

bool
ElementOrText::Init(JSContext* cx_, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
  BindingCallContext cx(cx_, nullptr);
  return Init(cx, value, sourceDescription, passedToJSImpl);
}


bool
ElementOrText::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
    }
    case eElement: {
      if (!GetOrCreateDOMReflector(cx, mValue.mElement.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
    }
    case eText: {
      if (!GetOrCreateDOMReflector(cx, mValue.mText.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
    }
    default: {
      return false;
    }
  }
}



OwningElementOrText::OwningElementOrText(OwningElementOrText&& aOther)
  : mType(eUninitialized)
{
  switch (aOther.mType) {
    case eUninitialized: {
      MOZ_ASSERT(mType == eUninitialized,
                 "We need to destroy ourselves?");
      break;
    }
    case eElement: {
      mType = eElement;
      mValue.mElement.SetValue(std::move(aOther.mValue.mElement.Value()));
      break;
    }
    case eText: {
      mType = eText;
      mValue.mText.SetValue(std::move(aOther.mValue.mText.Value()));
      break;
    }
  }
}



bool
OwningElementOrText::TrySetToElement(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::Element>& memberSlot = RawSetAsElement();
    static_assert(IsRefcounted<mozilla::dom::Element>::value, "We can only store refcounted classes.");
    {
      // Our JSContext should be in the right global to do unwrapping in.
      nsresult rv = UnwrapObject<prototypes::id::Element, mozilla::dom::Element>(value, memberSlot, cx);
      if (NS_FAILED(rv)) {
        DestroyElement();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

bool
OwningElementOrText::TrySetToElement(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  BindingCallContext cx(cx_, nullptr);
  return TrySetToElement(cx, value, tryNext, passedToJSImpl);
}

[[nodiscard]] OwningNonNull<mozilla::dom::Element>&
OwningElementOrText::RawSetAsElement()
{
  if (mType == eElement) {
    return mValue.mElement.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eElement;
  return mValue.mElement.SetValue();
}

[[nodiscard]] OwningNonNull<mozilla::dom::Element>&
OwningElementOrText::SetAsElement()
{
  if (mType == eElement) {
    return mValue.mElement.Value();
  }
  Uninit();
  mType = eElement;
  return mValue.mElement.SetValue();
}


void
OwningElementOrText::DestroyElement()
{
  MOZ_RELEASE_ASSERT(IsElement(), "Wrong type!");
  mValue.mElement.Destroy();
  mType = eUninitialized;
}



bool
OwningElementOrText::TrySetToText(BindingCallContext& cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::Text>& memberSlot = RawSetAsText();
    static_assert(IsRefcounted<mozilla::dom::Text>::value, "We can only store refcounted classes.");
    {
      // Our JSContext should be in the right global to do unwrapping in.
      nsresult rv = UnwrapObject<prototypes::id::Text, mozilla::dom::Text>(value, memberSlot, cx);
      if (NS_FAILED(rv)) {
        DestroyText();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

bool
OwningElementOrText::TrySetToText(JSContext* cx_, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  BindingCallContext cx(cx_, nullptr);
  return TrySetToText(cx, value, tryNext, passedToJSImpl);
}

[[nodiscard]] OwningNonNull<mozilla::dom::Text>&
OwningElementOrText::RawSetAsText()
{
  if (mType == eText) {
    return mValue.mText.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eText;
  return mValue.mText.SetValue();
}

[[nodiscard]] OwningNonNull<mozilla::dom::Text>&
OwningElementOrText::SetAsText()
{
  if (mType == eText) {
    return mValue.mText.Value();
  }
  Uninit();
  mType = eText;
  return mValue.mText.SetValue();
}


void
OwningElementOrText::DestroyText()
{
  MOZ_RELEASE_ASSERT(IsText(), "Wrong type!");
  mValue.mText.Destroy();
  mType = eUninitialized;
}



bool
OwningElementOrText::Init(BindingCallContext& cx, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
  MOZ_ASSERT(mType == eUninitialized);

  bool done = false, failed = false, tryNext;
  if (value.isObject()) {
    done = (failed = !TrySetToElement(cx, value, tryNext, passedToJSImpl)) || !tryNext ||
           (failed = !TrySetToText(cx, value, tryNext, passedToJSImpl)) || !tryNext;
  }
  if (failed) {
    return false;
  }
  if (!done) {
    cx.ThrowErrorMessage<MSG_NOT_IN_UNION>(sourceDescription, "Element, Text");
    return false;
  }
  return true;
}

bool
OwningElementOrText::Init(JSContext* cx_, JS::Handle<JS::Value> value, const char* sourceDescription, bool passedToJSImpl)
{
  BindingCallContext cx(cx_, nullptr);
  return Init(cx, value, sourceDescription, passedToJSImpl);
}

void
OwningElementOrText::Uninit()
{
  switch (mType) {
    case eUninitialized: {
      break;
    }
    case eElement: {
      DestroyElement();
      break;
    }
    case eText: {
      DestroyText();
      break;
    }
  }
}

bool
OwningElementOrText::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
    }
    case eElement: {
      if (!GetOrCreateDOMReflector(cx, mValue.mElement.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
    }
    case eText: {
      if (!GetOrCreateDOMReflector(cx, mValue.mText.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
    }
    default: {
      return false;
    }
  }
}

OwningElementOrText&
OwningElementOrText::operator=(OwningElementOrText&& aOther)
{
  this->~OwningElementOrText();
  new (this) OwningElementOrText (std::move(aOther));
  return *this;
}


OwningElementOrText&
OwningElementOrText::operator=(const OwningElementOrText& aOther)
{
  switch (aOther.mType) {
    case eUninitialized: {
      MOZ_ASSERT(mType == eUninitialized,
                 "We need to destroy ourselves?");
      break;
    }
    case eElement: {
      SetAsElement() = aOther.GetAsElement();
      break;
    }
    case eText: {
      SetAsText() = aOther.GetAsText();
      break;
    }
  }
  return *this;
}


namespace HTMLSlotElement_Binding {

static_assert(IsRefcounted<NativeType>::value == IsRefcounted<HTMLElement_Binding::NativeType>::value,
              "Can't inherit from an interface with a different ownership model.");

MOZ_CAN_RUN_SCRIPT static bool
get_name(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "HTMLSlotElement", "name", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::HTMLSlotElement*>(void_self);
  DOMString result;
  // NOTE: This assert does NOT call the function.
  static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->GetName(result))>, "Should be returning void here");
  MOZ_KnownLive(self)->GetName(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
set_name(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "HTMLSlotElement", "name", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::HTMLSlotElement*>(void_self);
  nsAutoString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  Maybe<AutoCEReaction> ceReaction;
  DocGroup* docGroup = self->GetDocGroup();
  if (docGroup) {
    ceReaction.emplace(docGroup->CustomElementReactionsStack(), cx);
  }
  FastErrorResult rv;
  // NOTE: This assert does NOT call the function.
  static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->SetName(NonNullHelper(Constify(arg0)), rv))>, "Should be returning void here");
  MOZ_KnownLive(self)->SetName(NonNullHelper(Constify(arg0)), rv);
  if (rv.MaybeSetPendingException(cx, "HTMLSlotElement.name setter")) [[unlikely]] {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo name_getterinfo = {
  { get_name },
  { prototypes::id::HTMLSlotElement },
  { PrototypeTraits<prototypes::id::HTMLSlotElement>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* 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 const JSJitInfo name_setterinfo = {
  { (JSJitGetterOp)set_name },
  { prototypes::id::HTMLSlotElement },
  { PrototypeTraits<prototypes::id::HTMLSlotElement>::Depth },
  JSJitInfo::Setter,
  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. */
};

MOZ_CAN_RUN_SCRIPT static bool
assignedNodes(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
  BindingCallContext cx(cx_, "HTMLSlotElement.assignedNodes");
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "HTMLSlotElement", "assignedNodes", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::HTMLSlotElement*>(void_self);
  binding_detail::FastAssignedNodesOptions arg0;
  if (!arg0.Init(cx, (args.hasDefined(0)) ? args[0] : JS::NullHandleValue, "Argument 1", false)) {
    return false;
  }
  nsTArray<StrongPtrForMember<nsINode>> result;
  // NOTE: This assert does NOT call the function.
  static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->AssignedNodes(Constify(arg0), result))>, "Should be returning void here");
  MOZ_KnownLive(self)->AssignedNodes(Constify(arg0), result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  uint32_t length = result.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 {
        if (!GetOrCreateDOMReflector(cx, result[sequenceIdx0], &tmp)) {
          MOZ_ASSERT(JS_IsExceptionPending(cx));
          return false;
        }
        break;
      } while (false);
      if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                            JSPROP_ENUMERATE)) {
        return false;
      }
    }
  }
  args.rval().setObject(*returnArray);
  return true;
}

static const JSJitInfo assignedNodes_methodinfo = {
  { (JSJitGetterOp)assignedNodes },
  { prototypes::id::HTMLSlotElement },
  { PrototypeTraits<prototypes::id::HTMLSlotElement>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* 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. */
};

MOZ_CAN_RUN_SCRIPT static bool
assignedElements(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
  BindingCallContext cx(cx_, "HTMLSlotElement.assignedElements");
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "HTMLSlotElement", "assignedElements", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::HTMLSlotElement*>(void_self);
  binding_detail::FastAssignedNodesOptions arg0;
  if (!arg0.Init(cx, (args.hasDefined(0)) ? args[0] : JS::NullHandleValue, "Argument 1", false)) {
    return false;
  }
  nsTArray<StrongPtrForMember<mozilla::dom::Element>> result;
  // NOTE: This assert does NOT call the function.
  static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->AssignedElements(Constify(arg0), result))>, "Should be returning void here");
  MOZ_KnownLive(self)->AssignedElements(Constify(arg0), result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  uint32_t length = result.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 {
        if (!GetOrCreateDOMReflector(cx, result[sequenceIdx0], &tmp)) {
          MOZ_ASSERT(JS_IsExceptionPending(cx));
          return false;
        }
        break;
      } while (false);
      if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                            JSPROP_ENUMERATE)) {
        return false;
      }
    }
  }
  args.rval().setObject(*returnArray);
  return true;
}

static const JSJitInfo assignedElements_methodinfo = {
  { (JSJitGetterOp)assignedElements },
  { prototypes::id::HTMLSlotElement },
  { PrototypeTraits<prototypes::id::HTMLSlotElement>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* 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. */
};

MOZ_CAN_RUN_SCRIPT static bool
assign(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
  BindingCallContext cx(cx_, "HTMLSlotElement.assign");
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "HTMLSlotElement", "assign", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::HTMLSlotElement*>(void_self);
  AutoSequence<OwningElementOrText> arg0;
  if (args.length() > 0) {
    if (!arg0.SetCapacity(args.length() - 0, mozilla::fallible)) {
      JS_ReportOutOfMemory(cx);
      return false;
    }
    for (uint32_t variadicArg = 0; variadicArg < args.length(); ++variadicArg) {
      // OK to do infallible append here, since we ensured capacity already.
      OwningElementOrText& slot = *arg0.AppendElement();
      if (!slot.Init(cx, args[variadicArg], "Argument 1", false)) {
        return false;
      }
    }
  }
  // NOTE: This assert does NOT call the function.
  static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->Assign(Constify(arg0)))>, "Should be returning void here");
  MOZ_KnownLive(self)->Assign(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo assign_methodinfo = {
  { (JSJitGetterOp)assign },
  { prototypes::id::HTMLSlotElement },
  { PrototypeTraits<prototypes::id::HTMLSlotElement>::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 void
_finalize(JS::GCContext* gcx, JSObject* obj)
{
  mozilla::dom::HTMLSlotElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLSlotElement>(obj);
  if (self) {
    JS::SetNativeObjectReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
    Element_Binding::ReflectedHTMLAttributeSlots::Finalize(obj);
    ClearWrapper(self, self, obj);
    if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
      JS::RemoveAssociatedMemory(obj, mallocBytes,
                                 JS::MemoryUse::DOMBinding);
    }
    AddForDeferredFinalization<mozilla::dom::HTMLSlotElement>(self);
  }
}

MOZ_GLOBINIT static const JSFunctionSpec sMethods_specs[] = {
  JS_FNSPEC("assignedNodes", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&assignedNodes_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("assignedElements", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&assignedElements_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("assign", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&assign_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};


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(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

MOZ_GLOBINIT static const JSPropertySpec sAttributes_specs[] = {
  JSPropertySpec::nativeAccessors("name", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &name_getterinfo, GenericSetter<NormalThisPolicy>, &name_setterinfo),
  JS_PS_END
};


static const Prefable<const JSPropertySpec> sAttributes[] = {
  { nullptr, &sAttributes_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(1 <= 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[4];
static PropertyInfo sNativeProperties_propertyInfos[4];

static const NativePropertiesN<2> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  4,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[3] }
  }
};
static_assert(4 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
    "We have a property info count that is oversized");

// This may allocate too many slots, because we only really need
// slots for our non-interface-typed members that we cache.  But
// allocating slots only for those would make the slot index
// computations much more complicated, so let's do this the simple
// way for now.
DEFINE_XRAY_EXPANDO_CLASS_WITH_OPS(static, sXrayExpandoObjectClass, 1,
                                   &Element_Binding::ReflectedHTMLAttributeSlots::sXrayExpandoObjectClassOps);

bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
  nullptr,
  { sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited },
  prototypes::id::HTMLSlotElement,
  constructors::id::HTMLSlotElement,
  &sXrayExpandoObjectClass
};

static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "HTMLSlotElement", "constructor", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  return HTMLConstructor(cx, argc, vp,
                         constructors::id::HTMLSlotElement,
                         prototypes::id::HTMLSlotElement,
                         CreateInterfaceObjects);
}

static const DOMInterfaceInfo sInterfaceObjectInfo = {
  { _constructor, &sNativePropertyHooks },
  HTMLElement_Binding::GetConstructorObjectHandle,
  PrototypeTraits<prototypes::id::HTMLSlotElement>::Depth,
  prototypes::id::HTMLSlotElement,
  true,
  0,
  "HTMLSlotElement",
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "HTMLSlotElementPrototype",
    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,
  prototypes::id::HTMLSlotElement,
  PrototypeTraits<prototypes::id::HTMLSlotElement>::Depth,
  &sNativePropertyHooks,
  HTMLElement_Binding::GetProtoObject
};

static JS::Handle<JSObject*>
GetProtoObjectHandle(JSContext* aCx);

static const JSClassOps sClassOps = {
  nullptr,               /* addProperty */
  nullptr,               /* delProperty */
  nullptr,               /* enumerate */
  nullptr, /* newEnumerate */
  nullptr, /* resolve */
  nullptr, /* mayResolve */
  _finalize, /* finalize */
  nullptr, /* call */
  nullptr,               /* construct */
  Element_Binding::ReflectedHTMLAttributeSlots::Trace, /* trace */
};

static const DOMJSClass sClass = {
  { "HTMLSlotElement",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(2) | JSCLASS_PRESERVES_WRAPPER,
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &NativeTypeHelpers<mozilla::dom::HTMLSlotElement>::sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::EventTarget, prototypes::id::Node, prototypes::id::Element, prototypes::id::HTMLElement, prototypes::id::HTMLSlotElement, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  std::is_base_of_v<nsISupports, mozilla::dom::HTMLSlotElement>,
  &sNativePropertyHooks,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::HTMLSlotElement>::Get(),
  nullptr,
  NativeTypeHelpers<mozilla::dom::HTMLSlotElement>::GetWrapperCache
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
              "Must have the right minimal number of reserved slots.");
static_assert(2 >= 2,
              "Must have enough reserved slots.");

bool
Wrap(JSContext* aCx, mozilla::dom::HTMLSlotElement* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::HTMLSlotElement>,
                "Shouldn't have wrappercached things that are not refcounted.");
  static_assert(std::is_same_v<decltype(aObject), mozilla::dom::HTMLSlotElement*>);
  MOZ_ASSERT(static_cast<nsGenericHTMLElement*>(aObject) ==
             reinterpret_cast<nsGenericHTMLElement*>(aObject),
             "Multiple inheritance for nsGenericHTMLElement is broken.");
  MOZ_ASSERT(static_cast<mozilla::dom::Element*>(aObject) ==
             reinterpret_cast<mozilla::dom::Element*>(aObject),
             "Multiple inheritance for mozilla::dom::Element is broken.");
  MOZ_ASSERT(static_cast<nsINode*>(aObject) ==
             reinterpret_cast<nsINode*>(aObject),
             "Multiple inheritance for nsINode is broken.");
  MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
             reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
             "Multiple inheritance for mozilla::dom::EventTarget 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");

  // If the wrapper cache contains a dead reflector then finalize that
  // now, ensuring that the finalizer for the old reflector always
  // runs before the new reflector is created and attached. This
  // avoids the awkward situation where there are multiple reflector
  // objects that contain pointers to the same native.

  if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) {
    _finalize(nullptr /* unused */, oldReflector);
    MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
  }

  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
  if (!global) {
    return false;
  }
  MOZ_ASSERT(JS_IsGlobalObject(global));
  JS::AssertObjectIsNotGray(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::GetCompartment(proto)) {
      if (!JS_WrapObject(aCx, &proto)) {
        return false;
      }
    }
  } else {
    proto = canonicalProto;
  }

  BindingJSObjectCreator<mozilla::dom::HTMLSlotElement> 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;
}

void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, DefineInterfaceProperty aDefineOnGlobal)
{
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::HTMLSlotElement);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::HTMLSlotElement);

  JS::Handle<JSObject*> parentProto(HTMLElement_Binding::GetProtoObjectHandle(aCx));
  if (!parentProto) {
    return;
  }

  JS::Handle<JSObject*> constructorProto(HTMLElement_Binding::GetConstructorObjectHandle(aCx));
  if (!constructorProto) {
    return;
  }

  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass, protoCache,
                              constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              nullptr,
                              "HTMLSlotElement",
                              aDefineOnGlobal != DefineInterfaceProperty::No,
                              nullptr,
                              false,
                              nullptr);
}

static JS::Handle<JSObject*>
GetProtoObjectHandle(JSContext* aCx)
{
  /* Get the interface prototype object for this class.  This will create the
     object as needed. */
  return GetPerInterfaceObjectHandle(aCx, prototypes::id::HTMLSlotElement,
                                     &CreateInterfaceObjects,
                                     DefineInterfaceProperty::CheckExposure);

}

JS::Handle<JSObject*>
GetConstructorObjectHandle(JSContext* aCx)
{
  /* Get the interface object for this class.  This will create the object as
     needed. */

  return GetPerInterfaceObjectHandle(aCx, constructors::id::HTMLSlotElement,
                                     &CreateInterfaceObjects,
                                     DefineInterfaceProperty::CheckExposure);
}

} // namespace HTMLSlotElement_Binding



} // namespace mozilla::dom