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

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

#include "EventHandlerBinding.h"
#include "EventTargetBinding.h"
#include "IDBRequestBinding.h"
#include "WrapperFactory.h"
#include "jsapi.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMException.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/IDBCursor.h"
#include "mozilla/dom/IDBIndex.h"
#include "mozilla/dom/IDBObjectStore.h"
#include "mozilla/dom/IDBRequest.h"
#include "mozilla/dom/IDBTransaction.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.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;


namespace IDBRequestReadyStateValues {
extern const EnumEntry strings[3] = {
  {"pending", 7},
  {"done", 4},
  { nullptr, 0 }
};
} // namespace IDBRequestReadyStateValues

bool
ToJSValue(JSContext* aCx, IDBRequestReadyState aArgument, JS::MutableHandle<JS::Value> aValue)
{
  MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(IDBRequestReadyStateValues::strings));
  JSString* resultStr =
    JS_NewStringCopyN(aCx, IDBRequestReadyStateValues::strings[uint32_t(aArgument)].value,
                      IDBRequestReadyStateValues::strings[uint32_t(aArgument)].length);
  if (!resultStr) {
    return false;
  }
  aValue.setString(resultStr);
  return true;
}


void
ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningIDBObjectStoreOrIDBIndexOrIDBCursor& aUnion, const char* aName, uint32_t aFlags)
{
  if (aUnion.IsIDBObjectStore()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsIDBObjectStore(), "mIDBObjectStore", aFlags);
  } else if (aUnion.IsIDBIndex()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsIDBIndex(), "mIDBIndex", aFlags);
  } else if (aUnion.IsIDBCursor()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsIDBCursor(), "mIDBCursor", aFlags);
  }
}


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


bool
IDBObjectStoreOrIDBIndexOrIDBCursor::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
      break;
    }
    case eIDBObjectStore: {
      if (!GetOrCreateDOMReflector(cx, mValue.mIDBObjectStore.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eIDBIndex: {
      if (!GetOrCreateDOMReflector(cx, mValue.mIDBIndex.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eIDBCursor: {
      if (!GetOrCreateDOMReflector(cx, mValue.mIDBCursor.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    default: {
      return false;
      break;
    }
  }

  return false;
}


OwningNonNull<mozilla::dom::IDBObjectStore>&
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::RawSetAsIDBObjectStore()
{
  if (mType == eIDBObjectStore) {
    return mValue.mIDBObjectStore.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eIDBObjectStore;
  return mValue.mIDBObjectStore.SetValue();
}

OwningNonNull<mozilla::dom::IDBObjectStore>&
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::SetAsIDBObjectStore()
{
  if (mType == eIDBObjectStore) {
    return mValue.mIDBObjectStore.Value();
  }
  Uninit();
  mType = eIDBObjectStore;
  return mValue.mIDBObjectStore.SetValue();
}

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

void
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::DestroyIDBObjectStore()
{
  MOZ_ASSERT(IsIDBObjectStore(), "Wrong type!");
  mValue.mIDBObjectStore.Destroy();
  mType = eUninitialized;
}




OwningNonNull<mozilla::dom::IDBIndex>&
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::RawSetAsIDBIndex()
{
  if (mType == eIDBIndex) {
    return mValue.mIDBIndex.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eIDBIndex;
  return mValue.mIDBIndex.SetValue();
}

OwningNonNull<mozilla::dom::IDBIndex>&
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::SetAsIDBIndex()
{
  if (mType == eIDBIndex) {
    return mValue.mIDBIndex.Value();
  }
  Uninit();
  mType = eIDBIndex;
  return mValue.mIDBIndex.SetValue();
}

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

void
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::DestroyIDBIndex()
{
  MOZ_ASSERT(IsIDBIndex(), "Wrong type!");
  mValue.mIDBIndex.Destroy();
  mType = eUninitialized;
}




OwningNonNull<mozilla::dom::IDBCursor>&
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::RawSetAsIDBCursor()
{
  if (mType == eIDBCursor) {
    return mValue.mIDBCursor.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eIDBCursor;
  return mValue.mIDBCursor.SetValue();
}

OwningNonNull<mozilla::dom::IDBCursor>&
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::SetAsIDBCursor()
{
  if (mType == eIDBCursor) {
    return mValue.mIDBCursor.Value();
  }
  Uninit();
  mType = eIDBCursor;
  return mValue.mIDBCursor.SetValue();
}

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

void
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::DestroyIDBCursor()
{
  MOZ_ASSERT(IsIDBCursor(), "Wrong type!");
  mValue.mIDBCursor.Destroy();
  mType = eUninitialized;
}




void
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::Uninit()
{
  switch (mType) {
    case eUninitialized: {
      break;
    }
    case eIDBObjectStore: {
      DestroyIDBObjectStore();
      break;
    }
    case eIDBIndex: {
      DestroyIDBIndex();
      break;
    }
    case eIDBCursor: {
      DestroyIDBCursor();
      break;
    }
  }
}

bool
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
      break;
    }
    case eIDBObjectStore: {
      if (!GetOrCreateDOMReflector(cx, mValue.mIDBObjectStore.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eIDBIndex: {
      if (!GetOrCreateDOMReflector(cx, mValue.mIDBIndex.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eIDBCursor: {
      if (!GetOrCreateDOMReflector(cx, mValue.mIDBCursor.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    default: {
      return false;
      break;
    }
  }

  return false;
}

void
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::TraceUnion(JSTracer* trc)
{
}

OwningIDBObjectStoreOrIDBIndexOrIDBCursor&
OwningIDBObjectStoreOrIDBIndexOrIDBCursor::operator=(const OwningIDBObjectStoreOrIDBIndexOrIDBCursor& aOther)
{
  switch (aOther.mType) {
    case eUninitialized: {
      MOZ_ASSERT(mType == eUninitialized,
                 "We need to destroy ourselves?");
      break;
    }
    case eIDBObjectStore: {
      SetAsIDBObjectStore() = aOther.GetAsIDBObjectStore();
      break;
    }
    case eIDBIndex: {
      SetAsIDBIndex() = aOther.GetAsIDBIndex();
      break;
    }
    case eIDBCursor: {
      SetAsIDBCursor() = aOther.GetAsIDBCursor();
      break;
    }
  }
  return *this;
}


namespace IDBRequest_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_result(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBRequest* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBRequest.result", DOM, cx);

  FastErrorResult rv;
  JS::Rooted<JS::Value> result(cx);
  self->GetResult(cx, &result, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  JS::ExposeValueToActiveJS(result);
  args.rval().set(result);
  if (!MaybeWrapValue(cx, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo result_getterinfo = {
  { (JSJitGetterOp)get_result },
  { prototypes::id::IDBRequest },
  { PrototypeTraits<prototypes::id::IDBRequest>::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_error(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBRequest* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBRequest.error", DOM, cx);

  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::DOMException>(self->GetError(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 error_getterinfo = {
  { (JSJitGetterOp)get_error },
  { prototypes::id::IDBRequest },
  { PrototypeTraits<prototypes::id::IDBRequest>::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_source(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBRequest* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBRequest.source", DOM, cx);

  Nullable<OwningIDBObjectStoreOrIDBIndexOrIDBCursor> result;
  self->GetSource(result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (result.IsNull()) {
    args.rval().setNull();
    return true;
  }
  if (!result.Value().ToJSVal(cx, obj, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo source_getterinfo = {
  { (JSJitGetterOp)get_source },
  { prototypes::id::IDBRequest },
  { PrototypeTraits<prototypes::id::IDBRequest>::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_transaction(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBRequest* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBRequest.transaction", DOM, cx);

  auto result(StrongOrRawPtr<mozilla::dom::IDBTransaction>(self->GetTransaction()));
  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 transaction_getterinfo = {
  { (JSJitGetterOp)get_transaction },
  { prototypes::id::IDBRequest },
  { PrototypeTraits<prototypes::id::IDBRequest>::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_readyState(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBRequest* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBRequest.readyState", DOM, cx);

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

static const JSJitInfo readyState_getterinfo = {
  { (JSJitGetterOp)get_readyState },
  { prototypes::id::IDBRequest },
  { PrototypeTraits<prototypes::id::IDBRequest>::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_onsuccess(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBRequest* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBRequest.onsuccess", DOM, cx);

  RefPtr<EventHandlerNonNull> result(self->GetOnsuccess());
  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_onsuccess(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IDBRequest* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set IDBRequest.onsuccess", 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->SetOnsuccess(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo onsuccess_getterinfo = {
  { (JSJitGetterOp)get_onsuccess },
  { prototypes::id::IDBRequest },
  { PrototypeTraits<prototypes::id::IDBRequest>::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 onsuccess_setterinfo = {
  { (JSJitGetterOp)set_onsuccess },
  { prototypes::id::IDBRequest },
  { PrototypeTraits<prototypes::id::IDBRequest>::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::IDBRequest* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get IDBRequest.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::IDBRequest* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set IDBRequest.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::IDBRequest },
  { PrototypeTraits<prototypes::id::IDBRequest>::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::IDBRequest },
  { PrototypeTraits<prototypes::id::IDBRequest>::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::IDBRequest* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::IDBRequest>(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::IDBRequest* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::IDBRequest>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::IDBRequest>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::IDBRequest* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::IDBRequest>(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 JSPropertySpec sAttributes_specs[] = {
  { "result", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &result_getterinfo, nullptr, nullptr },
  { "error", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &error_getterinfo, nullptr, nullptr },
  { "source", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &source_getterinfo, nullptr, nullptr },
  { "transaction", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &transaction_getterinfo, nullptr, nullptr },
  { "readyState", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &readyState_getterinfo, nullptr, nullptr },
  { "onsuccess", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &onsuccess_getterinfo, GenericSetter<NormalThisPolicy>, &onsuccess_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(7 <= 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[7];
static PropertyInfo sNativeProperties_propertyInfos[7];

static const NativePropertiesN<1> sNativeProperties = {
  false, 0,
  false, 0,
  false, 0,
  true,  0 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  7,
  sNativeProperties_sortedPropertyIndices,
  {
    { sAttributes, &sNativeProperties_propertyInfos[0] }
  }
};
static_assert(7 < 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::IDBRequest,
  PrototypeTraits<prototypes::id::IDBRequest>::Depth,
  sNativePropertyHooks,
  "function IDBRequest() {\n    [native code]\n}",
  EventTarget_Binding::GetConstructorObject
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "IDBRequestPrototype",
    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::IDBRequest,
  PrototypeTraits<prototypes::id::IDBRequest>::Depth,
  sNativePropertyHooks,
  "[object IDBRequestPrototype]",
  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 = {
  { "IDBRequest",
    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::IDBRequest, 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::IDBRequest >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::IDBRequest>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::IDBRequest>::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::IDBRequest* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::IDBRequest>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::IDBRequest*>(aObject) ==
             reinterpret_cast<mozilla::dom::IDBRequest*>(aObject),
             "Multiple inheritance for mozilla::dom::IDBRequest 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::IDBRequest> 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::IDBRequest,
  constructors::id::IDBRequest,
  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::IDBRequest);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::IDBRequest);
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              nullptr,
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              nullptr,
                              "IDBRequest", aDefineOnGlobal,
                              nullptr,
                              false);
}

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

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

} // namespace IDBRequest_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53