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

#include <type_traits>
#include "DocumentFragmentBinding.h"
#include "MainThreadUtils.h"
#include "NodeBinding.h"
#include "WrapperFactory.h"
#include "js/CallAndConstruct.h"
#include "js/Exception.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/DocumentFragment.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/UnionTypes.h"
#include "mozilla/dom/WebIDLPrefs.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsContentList.h"
#include "nsContentUtils.h"
#include "nsIContent.h"
#include "nsINodeList.h"

namespace mozilla::dom {

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


namespace DocumentFragment_Binding {

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

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

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  if (!args.requireAtLeast(cx, "DocumentFragment.getElementById", 1)) {
    return false;
  }
  binding_detail::FakeString<char16_t> arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  auto result(StrongOrRawPtr<mozilla::dom::Element>(MOZ_KnownLive(self)->GetElementById(NonNullHelper(Constify(arg0)))));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo::ArgType getElementById_methodinfo_argTypes[] = { JSJitInfo::String, JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo getElementById_methodinfo = {
  {
    { (JSJitGetterOp)getElementById },
    { prototypes::id::DocumentFragment },
    { PrototypeTraits<prototypes::id::DocumentFragment>::Depth },
    JSJitInfo::Method,
    JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
    JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
    false,  /* isInfallible. False in setters. */
    true,  /* isMovable.  Not relevant for setters. */
    true, /* isEliminatable.  Not relevant for setters. */
    false, /* isAlwaysInSlot.  Only relevant for getters. */
    false, /* isLazilyCachedInSlot.  Only relevant for getters. */
    true,  /* isTypedMethod.  Only relevant for methods. */
    0   /* Reserved slot index, if we're stored in a slot, else 0. */
  },
  getElementById_methodinfo_argTypes
};

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

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  auto result(StrongOrRawPtr<nsIHTMLCollection>(MOZ_KnownLive(self)->Children()));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo children_getterinfo = {
  { get_children },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasNone, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  true,  /* isMovable.  Not relevant for setters. */
  true, /* 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
get_firstElementChild(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "DocumentFragment", "firstElementChild", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  auto result(StrongOrRawPtr<mozilla::dom::Element>(MOZ_KnownLive(self)->GetFirstElementChild()));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo firstElementChild_getterinfo = {
  { get_firstElementChild },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  true,  /* isMovable.  Not relevant for setters. */
  true, /* 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
get_lastElementChild(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "DocumentFragment", "lastElementChild", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  auto result(StrongOrRawPtr<mozilla::dom::Element>(MOZ_KnownLive(self)->GetLastElementChild()));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo lastElementChild_getterinfo = {
  { get_lastElementChild },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  true,  /* isMovable.  Not relevant for setters. */
  true, /* 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
get_childElementCount(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "DocumentFragment", "childElementCount", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  uint32_t result(MOZ_KnownLive(self)->ChildElementCount());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setNumber(result);
  return true;
}

static const JSJitInfo childElementCount_getterinfo = {
  { get_childElementCount },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  true,  /* isMovable.  Not relevant for setters. */
  true, /* 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
getElementsByAttribute(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "DocumentFragment", "getElementsByAttribute", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  if (!args.requireAtLeast(cx, "DocumentFragment.getElementsByAttribute", 2)) {
    return false;
  }
  binding_detail::FakeString<char16_t> arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  binding_detail::FakeString<char16_t> arg1;
  if (!ConvertJSValueToString(cx, args[1], eEmpty, eStringify, arg1)) {
    return false;
  }
  auto result(StrongOrRawPtr<nsIHTMLCollection>(MOZ_KnownLive(self)->GetElementsByAttribute(NonNullHelper(Constify(arg0)), NonNullHelper(Constify(arg1)))));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo getElementsByAttribute_methodinfo = {
  { (JSJitGetterOp)getElementsByAttribute },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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
getElementsByAttributeNS(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "DocumentFragment", "getElementsByAttributeNS", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  if (!args.requireAtLeast(cx, "DocumentFragment.getElementsByAttributeNS", 3)) {
    return false;
  }
  binding_detail::FakeString<char16_t> arg0;
  if (!ConvertJSValueToString(cx, args[0], eNull, eNull, arg0)) {
    return false;
  }
  binding_detail::FakeString<char16_t> arg1;
  if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) {
    return false;
  }
  binding_detail::FakeString<char16_t> arg2;
  if (!ConvertJSValueToString(cx, args[2], eEmpty, eStringify, arg2)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<nsIHTMLCollection>(MOZ_KnownLive(self)->GetElementsByAttributeNS(NonNullHelper(Constify(arg0)), NonNullHelper(Constify(arg1)), NonNullHelper(Constify(arg2)), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "DocumentFragment.getElementsByAttributeNS"))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo getElementsByAttributeNS_methodinfo = {
  { (JSJitGetterOp)getElementsByAttributeNS },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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
prepend(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
  BindingCallContext cx(cx_, "DocumentFragment.prepend");
  AUTO_PROFILER_LABEL_DYNAMIC_FAST(
    "DocumentFragment", "prepend", DOM, cx,
    uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
    uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  AutoSequence<OwningNodeOrString> 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.
      OwningNodeOrString& slot = *arg0.AppendElement();
      if (!slot.Init(cx, args[variadicArg], "Argument 1", false)) {
        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)->Prepend(Constify(arg0), rv))>, "Should be returning void here");
  MOZ_KnownLive(self)->Prepend(Constify(arg0), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "DocumentFragment.prepend"))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo prepend_methodinfo = {
  { (JSJitGetterOp)prepend },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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. */
};

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

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  AutoSequence<OwningNodeOrString> 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.
      OwningNodeOrString& slot = *arg0.AppendElement();
      if (!slot.Init(cx, args[variadicArg], "Argument 1", false)) {
        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)->Append(Constify(arg0), rv))>, "Should be returning void here");
  MOZ_KnownLive(self)->Append(Constify(arg0), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "DocumentFragment.append"))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo append_methodinfo = {
  { (JSJitGetterOp)append },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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. */
};

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

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  AutoSequence<OwningNodeOrString> 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.
      OwningNodeOrString& slot = *arg0.AppendElement();
      if (!slot.Init(cx, args[variadicArg], "Argument 1", false)) {
        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)->ReplaceChildren(Constify(arg0), rv))>, "Should be returning void here");
  MOZ_KnownLive(self)->ReplaceChildren(Constify(arg0), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "DocumentFragment.replaceChildren"))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo replaceChildren_methodinfo = {
  { (JSJitGetterOp)replaceChildren },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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. */
};

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

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  if (!args.requireAtLeast(cx, "DocumentFragment.moveBefore", 2)) {
    return false;
  }
  NonNull<nsINode> arg0;
  if (args[0].isObject()) {
    {
      // Our JSContext should be in the right global to do unwrapping in.
      nsresult rv = UnwrapObject<prototypes::id::Node, nsINode>(args[0], arg0, cx);
      if (NS_FAILED(rv)) {
        cx.ThrowErrorMessage<MSG_DOES_NOT_IMPLEMENT_INTERFACE>("Argument 1", "Node");
        return false;
      }
    }
  } else {
    cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 1");
    return false;
  }
  nsINode* arg1;
  if (args[1].isObject()) {
    {
      // Our JSContext should be in the right global to do unwrapping in.
      nsresult rv = UnwrapObject<prototypes::id::Node, nsINode>(args[1], arg1, cx);
      if (NS_FAILED(rv)) {
        cx.ThrowErrorMessage<MSG_DOES_NOT_IMPLEMENT_INTERFACE>("Argument 2", "Node");
        return false;
      }
    }
  } else if (args[1].isNullOrUndefined()) {
    arg1 = nullptr;
  } else {
    cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 2");
    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)->MoveBefore(MOZ_KnownLive(NonNullHelper(arg0)), MOZ_KnownLive(Constify(arg1)), rv))>, "Should be returning void here");
  MOZ_KnownLive(self)->MoveBefore(MOZ_KnownLive(NonNullHelper(arg0)), MOZ_KnownLive(Constify(arg1)), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "DocumentFragment.moveBefore"))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo moveBefore_methodinfo = {
  { (JSJitGetterOp)moveBefore },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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. */
};

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

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  if (!args.requireAtLeast(cx, "DocumentFragment.querySelector", 1)) {
    return false;
  }
  binding_detail::FakeString<char> arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::Element>(MOZ_KnownLive(self)->QuerySelector(Constify(arg0), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "DocumentFragment.querySelector"))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo::ArgType querySelector_methodinfo_argTypes[] = { JSJitInfo::String, JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo querySelector_methodinfo = {
  {
    { (JSJitGetterOp)querySelector },
    { prototypes::id::DocumentFragment },
    { PrototypeTraits<prototypes::id::DocumentFragment>::Depth },
    JSJitInfo::Method,
    JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
    JSVAL_TYPE_UNKNOWN,  /* 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. */
    true,  /* isTypedMethod.  Only relevant for methods. */
    0   /* Reserved slot index, if we're stored in a slot, else 0. */
  },
  querySelector_methodinfo_argTypes
};

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

  auto* self = static_cast<mozilla::dom::DocumentFragment*>(void_self);
  if (!args.requireAtLeast(cx, "DocumentFragment.querySelectorAll", 1)) {
    return false;
  }
  binding_detail::FakeString<char> arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<nsINodeList>(MOZ_KnownLive(self)->QuerySelectorAll(Constify(arg0), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "DocumentFragment.querySelectorAll"))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo::ArgType querySelectorAll_methodinfo_argTypes[] = { JSJitInfo::String, JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo querySelectorAll_methodinfo = {
  {
    { (JSJitGetterOp)querySelectorAll },
    { prototypes::id::DocumentFragment },
    { PrototypeTraits<prototypes::id::DocumentFragment>::Depth },
    JSJitInfo::Method,
    JSJitInfo::AliasDOMSets, /* 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. */
    true,  /* isTypedMethod.  Only relevant for methods. */
    0   /* Reserved slot index, if we're stored in a slot, else 0. */
  },
  querySelectorAll_methodinfo_argTypes
};

static void
_finalize(JS::GCContext* gcx, JSObject* obj)
{
  mozilla::dom::DocumentFragment* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DocumentFragment>(obj);
  if (self) {
    JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
    ClearWrapper(self, self, obj);
    if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
      JS::RemoveAssociatedMemory(obj, mallocBytes,
                                 JS::MemoryUse::DOMBinding);
    }
    AddForDeferredFinalization<mozilla::dom::DocumentFragment>(self);
  }
}

MOZ_GLOBINIT static const JSFunctionSpec sMethods_specs[] = {
  JS_FNSPEC("getElementById", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getElementById_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("prepend", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&prepend_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("append", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&append_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("replaceChildren", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&replaceChildren_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END,
  JS_FNSPEC("moveBefore", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&moveBefore_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
  JS_FS_END,
  JS_FNSPEC("querySelector", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&querySelector_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("querySelectorAll", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&querySelectorAll_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};

static const PrefableDisablers sMethods_disablers5 = {
  WebIDLPrefIndex::dom_movebefore_enabled, 0, false, OriginTrial(0), nullptr
};

static const Prefable<const JSFunctionSpec> sMethods[] = {
  { nullptr, &sMethods_specs[0] },
  { &sMethods_disablers5, &sMethods_specs[5] },
  { nullptr, &sMethods_specs[7] },
  { nullptr, nullptr }
};

static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(4 <= 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 JSFunctionSpec sChromeMethods_specs[] = {
  JS_FNSPEC("getElementsByAttribute", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getElementsByAttribute_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getElementsByAttributeNS", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getElementsByAttributeNS_methodinfo), 3, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};


static const Prefable<const JSFunctionSpec> sChromeMethods[] = {
  { nullptr, &sChromeMethods_specs[0] },
  { nullptr, nullptr }
};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

MOZ_GLOBINIT static const JSPropertySpec sAttributes_specs[] = {
  JSPropertySpec::nativeAccessors("children", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &children_getterinfo, nullptr, nullptr),
  JSPropertySpec::nativeAccessors("firstElementChild", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &firstElementChild_getterinfo, nullptr, nullptr),
  JSPropertySpec::nativeAccessors("lastElementChild", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &lastElementChild_getterinfo, nullptr, nullptr),
  JSPropertySpec::nativeAccessors("childElementCount", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &childElementCount_getterinfo, nullptr, nullptr),
  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(4 <= 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[11];
static PropertyInfo sNativeProperties_propertyInfos[11];

static const NativePropertiesN<2> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  11,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[7] }
  }
};
static_assert(11 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
    "We have a property info count that is oversized");

static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[2];
static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[2];

static const NativePropertiesN<1> sChromeOnlyNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sChromeMethods */,
  false, 0,
  false, 0,
  false, 0,
  false, 0,
  -1,
  2,
  sChromeOnlyNativeProperties_sortedPropertyIndices,
  {
    { sChromeMethods, &sChromeOnlyNativeProperties_propertyInfos[0] }
  }
};
static_assert(2 < 1ull << (CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount)),
    "We have a property info count that is oversized");

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

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

  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  JS::Rooted<JSObject*> obj(cx, &args.callee());
  if (!args.isConstructing()) {
    return ThrowConstructorWithoutNew(cx, "DocumentFragment");
  }

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

  GlobalObject global(cx, obj);
  if (global.Failed()) {
    return false;
  }

  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  Maybe<JSAutoRealm> ar;
  if (objIsXray) {
    // Since our object is an Xray, we can just CheckedUnwrapStatic:
    // we know Xrays have no dynamic unwrap behavior.
    obj = js::CheckedUnwrapStatic(obj);
    if (!obj) {
      return false;
    }
    ar.emplace(cx, obj);
    if (!JS_WrapObject(cx, &desiredProto)) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::DocumentFragment>(mozilla::dom::DocumentFragment::Constructor(global, rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "DocumentFragment constructor"))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  static_assert(!std::is_pointer_v<decltype(result)>,
                "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 DOMInterfaceInfo sInterfaceObjectInfo = {
  { _constructor, &sNativePropertyHooks },
  Node_Binding::GetConstructorObjectHandle,
  PrototypeTraits<prototypes::id::DocumentFragment>::Depth,
  prototypes::id::DocumentFragment,
  true,
  0,
  "DocumentFragment",
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "DocumentFragmentPrototype",
    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::DocumentFragment,
  PrototypeTraits<prototypes::id::DocumentFragment>::Depth,
  &sNativePropertyHooks,
  Node_Binding::GetProtoObject
};

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

static const DOMJSClass sClass = {
  { "DocumentFragment",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_PRESERVES_WRAPPER,
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &NativeTypeHelpers<mozilla::dom::DocumentFragment>::sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::EventTarget, prototypes::id::Node, prototypes::id::DocumentFragment, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  std::is_base_of_v<nsISupports, mozilla::dom::DocumentFragment>,
  &sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::DocumentFragment>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::DocumentFragment>::Get(),
  nullptr,
  NativeTypeHelpers<mozilla::dom::DocumentFragment>::GetWrapperCache
};
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.");

bool
Wrap(JSContext* aCx, mozilla::dom::DocumentFragment* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::DocumentFragment>,
                "Shouldn't have wrappercached things that are not refcounted.");
  static_assert(std::is_same_v<decltype(aObject), mozilla::dom::DocumentFragment*>);
  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::DocumentFragment> 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;
}

static const char* const unscopableNames[] = {
  "prepend",
  "append",
  "replaceChildren",
  nullptr
};

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

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

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

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

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::DocumentFragment,
                                     &CreateInterfaceObjects,
                                     DefineInterfaceProperty::CheckExposure);

}

JSObject*
GetProtoObject(JSContext* aCx)
{
  return GetProtoObjectHandle(aCx);
}

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::DocumentFragment,
                                     &CreateInterfaceObjects,
                                     DefineInterfaceProperty::CheckExposure);
}

} // namespace DocumentFragment_Binding



} // namespace mozilla::dom
