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

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

#include "AtomList.h"
#include "EventHandlerBinding.h"
#include "EventTargetBinding.h"
#include "IDBFileHandleBinding.h"
#include "WrapperFactory.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/Blob.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/IDBFileHandle.h"
#include "mozilla/dom/IDBFileRequest.h"
#include "mozilla/dom/IDBMutableFile.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/UnionConversions.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;


void
ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningStringOrArrayBufferOrArrayBufferViewOrBlob& aUnion, const char* aName, uint32_t aFlags)
{
  if (aUnion.IsBlob()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsBlob(), "mBlob", aFlags);
  }
}


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



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



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

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

bool
IDBFileMetadataParameters::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());
  IDBFileMetadataParametersAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<IDBFileMetadataParametersAtoms>(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->lastModified_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mLastModified)) {
      return false;
    }
  } else {
    mLastModified = true;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->size_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mSize)) {
      return false;
    }
  } else {
    mSize = true;
  }
  mIsAnyMemberPresent = true;
  return true;
}

bool
IDBFileMetadataParameters::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
IDBFileMetadataParameters::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  IDBFileMetadataParametersAtoms* atomsCache = GetAtomCache<IDBFileMetadataParametersAtoms>(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 = mLastModified;
    temp.setBoolean(currentValue);
    if (!JS_DefinePropertyById(cx, obj, atomsCache->lastModified_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

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

  return true;
}

bool
IDBFileMetadataParameters::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
IDBFileMetadataParameters::TraceDictionary(JSTracer* trc)
{
}

IDBFileMetadataParameters&
IDBFileMetadataParameters::operator=(const IDBFileMetadataParameters& aOther)
{
  DictionaryBase::operator=(aOther);
  mLastModified = aOther.mLastModified;
  mSize = aOther.mSize;
  return *this;
}

namespace binding_detail {
} // namespace binding_detail


bool
StringOrArrayBufferOrArrayBufferViewOrBlob::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
      break;
    }
    case eString: {
      if (!xpc::NonVoidStringToJsval(cx, mValue.mString.Value(), rval)) {
        return false;
      }
      return true;
      break;
    }
    case eArrayBuffer: {
      rval.setObject(*mValue.mArrayBuffer.Value().Obj());
      if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
        return false;
      }
      return true;
      break;
    }
    case eArrayBufferView: {
      rval.setObject(*mValue.mArrayBufferView.Value().Obj());
      if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
        return false;
      }
      return true;
      break;
    }
    case eBlob: {
      if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    default: {
      return false;
      break;
    }
  }

  return false;
}


nsString&
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::RawSetAsString()
{
  if (mType == eString) {
    return mValue.mString.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eString;
  return mValue.mString.SetValue();
}

nsString&
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::SetAsString()
{
  if (mType == eString) {
    return mValue.mString.Value();
  }
  Uninit();
  mType = eString;
  return mValue.mString.SetValue();
}

bool
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::TrySetToString(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    nsString& memberSlot = RawSetAsString();
    if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) {
      return false;
    }
  }
  return true;
}


void
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::DestroyString()
{
  MOZ_ASSERT(IsString(), "Wrong type!");
  mValue.mString.Destroy();
  mType = eUninitialized;
}




ArrayBuffer&
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::RawSetAsArrayBuffer()
{
  if (mType == eArrayBuffer) {
    return mValue.mArrayBuffer.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eArrayBuffer;
  return mValue.mArrayBuffer.SetValue();
}

ArrayBuffer&
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::SetAsArrayBuffer()
{
  if (mType == eArrayBuffer) {
    return mValue.mArrayBuffer.Value();
  }
  Uninit();
  mType = eArrayBuffer;
  return mValue.mArrayBuffer.SetValue();
}

bool
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::TrySetToArrayBuffer(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    ArrayBuffer& memberSlot = RawSetAsArrayBuffer();
    if (!memberSlot.Init(&value.toObject())) {
      DestroyArrayBuffer();
      tryNext = true;
      return true;
    }
  }
  return true;
}

void
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::DestroyArrayBuffer()
{
  MOZ_ASSERT(IsArrayBuffer(), "Wrong type!");
  mValue.mArrayBuffer.Destroy();
  mType = eUninitialized;
}




ArrayBufferView&
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::RawSetAsArrayBufferView()
{
  if (mType == eArrayBufferView) {
    return mValue.mArrayBufferView.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eArrayBufferView;
  return mValue.mArrayBufferView.SetValue();
}

ArrayBufferView&
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::SetAsArrayBufferView()
{
  if (mType == eArrayBufferView) {
    return mValue.mArrayBufferView.Value();
  }
  Uninit();
  mType = eArrayBufferView;
  return mValue.mArrayBufferView.SetValue();
}

bool
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::TrySetToArrayBufferView(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    ArrayBufferView& memberSlot = RawSetAsArrayBufferView();
    if (!memberSlot.Init(&value.toObject())) {
      DestroyArrayBufferView();
      tryNext = true;
      return true;
    }
  }
  return true;
}

void
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::DestroyArrayBufferView()
{
  MOZ_ASSERT(IsArrayBufferView(), "Wrong type!");
  mValue.mArrayBufferView.Destroy();
  mType = eUninitialized;
}




OwningNonNull<mozilla::dom::Blob>&
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::RawSetAsBlob()
{
  if (mType == eBlob) {
    return mValue.mBlob.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eBlob;
  return mValue.mBlob.SetValue();
}

OwningNonNull<mozilla::dom::Blob>&
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::SetAsBlob()
{
  if (mType == eBlob) {
    return mValue.mBlob.Value();
  }
  Uninit();
  mType = eBlob;
  return mValue.mBlob.SetValue();
}

bool
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::TrySetToBlob(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::Blob>& memberSlot = RawSetAsBlob();
    static_assert(IsRefcounted<mozilla::dom::Blob>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::Blob, mozilla::dom::Blob>(value, memberSlot);
      if (NS_FAILED(rv)) {
        DestroyBlob();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

void
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::DestroyBlob()
{
  MOZ_ASSERT(IsBlob(), "Wrong type!");
  mValue.mBlob.Destroy();
  mType = eUninitialized;
}




void
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::Uninit()
{
  switch (mType) {
    case eUninitialized: {
      break;
    }
    case eString: {
      DestroyString();
      break;
    }
    case eArrayBuffer: {
      DestroyArrayBuffer();
      break;
    }
    case eArrayBufferView: {
      DestroyArrayBufferView();
      break;
    }
    case eBlob: {
      DestroyBlob();
      break;
    }
  }
}

bool
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
      break;
    }
    case eString: {
      if (!xpc::NonVoidStringToJsval(cx, mValue.mString.Value(), rval)) {
        return false;
      }
      return true;
      break;
    }
    case eArrayBuffer: {
      rval.setObject(*mValue.mArrayBuffer.Value().Obj());
      if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
        return false;
      }
      return true;
      break;
    }
    case eArrayBufferView: {
      rval.setObject(*mValue.mArrayBufferView.Value().Obj());
      if (!MaybeWrapNonDOMObjectValue(cx, rval)) {
        return false;
      }
      return true;
      break;
    }
    case eBlob: {
      if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    default: {
      return false;
      break;
    }
  }

  return false;
}

void
OwningStringOrArrayBufferOrArrayBufferViewOrBlob::TraceUnion(JSTracer* trc)
{
  switch (mType) {
    case eArrayBuffer: {
      mValue.mArrayBuffer.Value().TraceSelf(trc);
      break;
    }
    case eArrayBufferView: {
      mValue.mArrayBufferView.Value().TraceSelf(trc);
      break;
    }
    default: {
      break;
    }
  }
}


namespace IDBFileHandle_Binding {

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

MOZ_CAN_RUN_SCRIPT static bool
get_mutableFile(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBFileHandle.mutableFile", DOM, cx);

  auto result(StrongOrRawPtr<mozilla::dom::IDBMutableFile>(self->GetMutableFile()));
  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 mutableFile_getterinfo = {
  { (JSJitGetterOp)get_mutableFile },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_fileHandle(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBFileHandle.fileHandle", DOM, cx);

  auto result(StrongOrRawPtr<mozilla::dom::IDBMutableFile>(self->GetFileHandle()));
  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 fileHandle_getterinfo = {
  { (JSJitGetterOp)get_fileHandle },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_mode(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBFileHandle.mode", DOM, cx);

  FileMode result(self->Mode());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo mode_getterinfo = {
  { (JSJitGetterOp)get_mode },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_active(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBFileHandle.active", DOM, cx);

  bool result(self->Active());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

static const JSJitInfo active_getterinfo = {
  { (JSJitGetterOp)get_active },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
  true,  /* 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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_location(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBFileHandle.location", DOM, cx);

  Nullable<uint64_t> result(self->GetLocation());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (result.IsNull()) {
    args.rval().setNull();
    return true;
  }
  args.rval().set(JS_NumberValue(double(result.Value())));
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
set_location(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set IDBFileHandle.location", DOM, cx);

  Nullable<uint64_t> arg0;
  if (args[0].isNullOrUndefined()) {
    arg0.SetNull();
  } else if (!ValueToPrimitive<uint64_t, eDefault>(cx, args[0], &arg0.SetValue())) {
    return false;
  }
  self->SetLocation(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo location_getterinfo = {
  { (JSJitGetterOp)get_location },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  true,  /* 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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");
static const JSJitInfo location_setterinfo = {
  { (JSJitGetterOp)set_location },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getMetadata(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("IDBFileHandle.getMetadata", DOM, cx);

  binding_detail::FastIDBFileMetadataParameters arg0;
  if (!arg0.Init(cx, (args.hasDefined(0)) ? args[0] : JS::NullHandleValue,  "Argument 1 of IDBFileHandle.getMetadata", false)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::IDBFileRequest>(self->GetMetadata(Constify(arg0), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    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 getMetadata_methodinfo = {
  { (JSJitGetterOp)getMetadata },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
readAsArrayBuffer(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("IDBFileHandle.readAsArrayBuffer", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "IDBFileHandle.readAsArrayBuffer");
  }
  uint64_t arg0;
  if (!ValueToPrimitive<uint64_t, eDefault>(cx, args[0], &arg0)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::IDBFileRequest>(self->ReadAsArrayBuffer(arg0, rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    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 readAsArrayBuffer_methodinfo = {
  { (JSJitGetterOp)readAsArrayBuffer },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
readAsText(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("IDBFileHandle.readAsText", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "IDBFileHandle.readAsText");
  }
  uint64_t arg0;
  if (!ValueToPrimitive<uint64_t, eDefault>(cx, args[0], &arg0)) {
    return false;
  }
  binding_detail::FakeString arg1;
  if (args.hasDefined(1)) {
    if (!ConvertJSValueToString(cx, args[1], eNull, eNull, arg1)) {
      return false;
    }
  } else {
    arg1.SetIsVoid(true);
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::IDBFileRequest>(self->ReadAsText(arg0, NonNullHelper(Constify(arg1)), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    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 readAsText_methodinfo = {
  { (JSJitGetterOp)readAsText },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
write(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("IDBFileHandle.write", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "IDBFileHandle.write");
  }
  StringOrArrayBufferOrArrayBufferViewOrBlob arg0;
  StringOrArrayBufferOrArrayBufferViewOrBlobArgument arg0_holder(arg0);
  {
    bool done = false, failed = false, tryNext;
    if (args[0].isObject()) {
      done = (failed = !arg0_holder.TrySetToArrayBuffer(cx, args[0], tryNext, false)) || !tryNext ||
             (failed = !arg0_holder.TrySetToArrayBufferView(cx, args[0], tryNext, false)) || !tryNext ||
             (failed = !arg0_holder.TrySetToBlob(cx, args[0], tryNext, false)) || !tryNext;

    }
    if (!done) {
      do {
        done = (failed = !arg0_holder.TrySetToString(cx, args[0], tryNext)) || !tryNext;
        break;
      } while (false);
    }
    if (failed) {
      return false;
    }
    if (!done) {
      ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 1 of IDBFileHandle.write", "ArrayBuffer, ArrayBufferView, Blob");
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::IDBFileRequest>(self->Write(Constify(arg0), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    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 write_methodinfo = {
  { (JSJitGetterOp)write },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
append(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("IDBFileHandle.append", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "IDBFileHandle.append");
  }
  StringOrArrayBufferOrArrayBufferViewOrBlob arg0;
  StringOrArrayBufferOrArrayBufferViewOrBlobArgument arg0_holder(arg0);
  {
    bool done = false, failed = false, tryNext;
    if (args[0].isObject()) {
      done = (failed = !arg0_holder.TrySetToArrayBuffer(cx, args[0], tryNext, false)) || !tryNext ||
             (failed = !arg0_holder.TrySetToArrayBufferView(cx, args[0], tryNext, false)) || !tryNext ||
             (failed = !arg0_holder.TrySetToBlob(cx, args[0], tryNext, false)) || !tryNext;

    }
    if (!done) {
      do {
        done = (failed = !arg0_holder.TrySetToString(cx, args[0], tryNext)) || !tryNext;
        break;
      } while (false);
    }
    if (failed) {
      return false;
    }
    if (!done) {
      ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 1 of IDBFileHandle.append", "ArrayBuffer, ArrayBufferView, Blob");
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::IDBFileRequest>(self->Append(Constify(arg0), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    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 append_methodinfo = {
  { (JSJitGetterOp)append },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
truncate(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("IDBFileHandle.truncate", DOM, cx);

  Optional<uint64_t> arg0;
  if (args.hasDefined(0)) {
    arg0.Construct();
    if (!ValueToPrimitive<uint64_t, eDefault>(cx, args[0], &arg0.Value())) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::IDBFileRequest>(self->Truncate(Constify(arg0), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    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 truncate_methodinfo = {
  { (JSJitGetterOp)truncate },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
flush(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("IDBFileHandle.flush", DOM, cx);

  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::IDBFileRequest>(self->Flush(rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    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 flush_methodinfo = {
  { (JSJitGetterOp)flush },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
abort(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("IDBFileHandle.abort", DOM, cx);

  FastErrorResult rv;
  self->Abort(rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo abort_methodinfo = {
  { (JSJitGetterOp)abort },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::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_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_oncomplete(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBFileHandle.oncomplete", DOM, cx);

  RefPtr<EventHandlerNonNull> result(self->GetOncomplete());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (result) {
    args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result));
    if (!MaybeWrapObjectOrNullValue(cx, args.rval())) {
      return false;
    }
    return true;
  } else {
    args.rval().setNull();
    return true;
  }
}

MOZ_CAN_RUN_SCRIPT static bool
set_oncomplete(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set IDBFileHandle.oncomplete", DOM, cx);

  RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx);
  if (args[0].isObject()) {
    { // scope for tempRoot and tempGlobalRoot if needed
      arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx));
    }
  } else {
    arg0 = nullptr;
  }
  self->SetOncomplete(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo oncomplete_getterinfo = {
  { (JSJitGetterOp)get_oncomplete },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");
static const JSJitInfo oncomplete_setterinfo = {
  { (JSJitGetterOp)set_oncomplete },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_onabort(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBFileHandle.onabort", DOM, cx);

  RefPtr<EventHandlerNonNull> result(self->GetOnabort());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (result) {
    args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result));
    if (!MaybeWrapObjectOrNullValue(cx, args.rval())) {
      return false;
    }
    return true;
  } else {
    args.rval().setNull();
    return true;
  }
}

MOZ_CAN_RUN_SCRIPT static bool
set_onabort(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set IDBFileHandle.onabort", DOM, cx);

  RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx);
  if (args[0].isObject()) {
    { // scope for tempRoot and tempGlobalRoot if needed
      arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx));
    }
  } else {
    arg0 = nullptr;
  }
  self->SetOnabort(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo onabort_getterinfo = {
  { (JSJitGetterOp)get_onabort },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");
static const JSJitInfo onabort_setterinfo = {
  { (JSJitGetterOp)set_onabort },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_onerror(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBFileHandle.onerror", DOM, cx);

  RefPtr<EventHandlerNonNull> result(self->GetOnerror());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (result) {
    args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result));
    if (!MaybeWrapObjectOrNullValue(cx, args.rval())) {
      return false;
    }
    return true;
  } else {
    args.rval().setNull();
    return true;
  }
}

MOZ_CAN_RUN_SCRIPT static bool
set_onerror(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBFileHandle* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set IDBFileHandle.onerror", DOM, cx);

  RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx);
  if (args[0].isObject()) {
    { // scope for tempRoot and tempGlobalRoot if needed
      arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx));
    }
  } else {
    arg0 = nullptr;
  }
  self->SetOnerror(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo onerror_getterinfo = {
  { (JSJitGetterOp)get_onerror },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* 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. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");
static const JSJitInfo onerror_setterinfo = {
  { (JSJitGetterOp)set_onerror },
  { prototypes::id::IDBFileHandle },
  { PrototypeTraits<prototypes::id::IDBFileHandle>::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. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

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

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

  return 0;
}

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSFunctionSpec sMethods_specs[] = {
  JS_FNSPEC("getMetadata", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getMetadata_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("readAsArrayBuffer", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&readAsArrayBuffer_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("readAsText", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&readAsText_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("write", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&write_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("append", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&append_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("truncate", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&truncate_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("flush", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&flush_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("abort", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&abort_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


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(8 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSPropertySpec sAttributes_specs[] = {
  { "mutableFile", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mutableFile_getterinfo, nullptr, nullptr },
  { "fileHandle", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &fileHandle_getterinfo, nullptr, nullptr },
  { "mode", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mode_getterinfo, nullptr, nullptr },
  { "active", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &active_getterinfo, nullptr, nullptr },
  { "location", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &location_getterinfo, GenericSetter<NormalThisPolicy>, &location_setterinfo },
  { "oncomplete", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &oncomplete_getterinfo, GenericSetter<NormalThisPolicy>, &oncomplete_setterinfo },
  { "onabort", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &onabort_getterinfo, GenericSetter<NormalThisPolicy>, &onabort_setterinfo },
  { "onerror", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &onerror_getterinfo, GenericSetter<NormalThisPolicy>, &onerror_setterinfo },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


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(8 <= 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[16];
static PropertyInfo sNativeProperties_propertyInfos[16];

static const NativePropertiesN<2> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  16,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[8] }
  }
};
static_assert(16 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

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

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "IDBFileHandlePrototype",
    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::IDBFileHandle,
  PrototypeTraits<prototypes::id::IDBFileHandle>::Depth,
  sNativePropertyHooks,
  "[object IDBFileHandlePrototype]",
  EventTarget_Binding::GetProtoObject
};

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

  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::IDBFileHandle> 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,
  { sNativeProperties.Upcast(), nullptr },
  prototypes::id::IDBFileHandle,
  constructors::id::IDBFileHandle,
  EventTarget_Binding::sNativePropertyHooks,
  &DefaultXrayExpandoObjectClass
} };

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

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

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

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

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

} // namespace IDBFileHandle_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53