/* THIS FILE IS AUTOGENERATED FROM MozStorageStatementRow.webidl BY Codegen.py - DO NOT EDIT */ #include #include "MainThreadUtils.h" #include "MozStorageStatementRowBinding.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/DOMJSClass.h" #include "mozilla/dom/DOMJSProxyHandler.h" #include "mozilla/dom/NonRefcountedDOMObject.h" #include "mozilla/dom/ProxyHandlerUtils.h" #include "mozilla/dom/XrayExpandoClass.h" #include "mozilla/storage/mozStorageStatementRow.h" #include "nsContentUtils.h" namespace mozilla::dom { namespace binding_detail {}; // Just to make sure it's known as a namespace using namespace mozilla::dom::binding_detail; namespace MozStorageStatementRow_Binding { static_assert(std::is_base_of_v, "We don't support non-nsISupports native classes for " "proxy-based bindings yet"); class MOZ_EMPTY_BASES DOMProxyHandler : public mozilla::dom::DOMProxyHandler { public: using Base = mozilla::dom::DOMProxyHandler; explicit constexpr DOMProxyHandler() { } bool getOwnPropDescriptor(JSContext* cx, JS::Handle proxy, JS::Handle id, bool ignoreNamedProps, JS::MutableHandle> desc) const override; bool defineProperty(JSContext* cx_, JS::Handle proxy, JS::Handle id, JS::Handle desc, JS::ObjectOpResult& opresult, bool* done) const override; using mozilla::dom::DOMProxyHandler::defineProperty; bool ownPropNames(JSContext* cx, JS::Handle proxy, unsigned flags, JS::MutableHandleVector props) const override; bool hasOwn(JSContext* cx, JS::Handle proxy, JS::Handle id, bool* bp) const override; bool get(JSContext* cx, JS::Handle proxy, JS::Handle receiver, JS::Handle id, JS::MutableHandle vp) const override; const char* className(JSContext* cx, JS::Handle proxy) const override; bool finalizeInBackground(const JS::Value& priv) const override; void finalize(JS::GCContext* gcx, JSObject* proxy) const override; static const DOMProxyHandler* getInstance(); bool delete_(JSContext* cx, JS::Handle proxy, JS::Handle id, JS::ObjectOpResult& opresult) const override; size_t objectMoved(JSObject* obj, JSObject* old) const override; }; MOZ_ALWAYS_INLINE bool IsProxy(JSObject* obj) { return js::IsProxy(obj) && js::GetProxyHandler(obj) == DOMProxyHandler::getInstance(); } MOZ_ALWAYS_INLINE mozilla::storage::StatementRow* UnwrapProxy(JSObject* obj) { MOZ_ASSERT(js::IsProxy(obj)); if (js::GetProxyHandler(obj) != DOMProxyHandler::getInstance()) { MOZ_ASSERT(xpc::WrapperFactory::IsXrayWrapper(obj)); obj = js::UncheckedUnwrap(obj); } MOZ_ASSERT(IsProxy(obj)); return static_cast(js::GetProxyReservedSlot(obj, DOM_OBJECT_SLOT).toPrivate()); } const NativeNamedOrIndexedPropertyHooks sNativeNamedOrIndexedPropertyHooks = { binding_detail::ResolveOwnProperty, binding_detail::EnumerateOwnProperties, nullptr }; bool sNativePropertiesInited = false; const NativePropertyHooks sNativePropertyHooks = { &sNativeNamedOrIndexedPropertyHooks, { nullptr, nullptr, &sNativePropertiesInited }, prototypes::id::MozStorageStatementRow, constructors::id::MozStorageStatementRow, &DefaultXrayExpandoObjectClass }; static const DOMInterfaceInfo sInterfaceObjectInfo = { { ThrowingConstructor, &sNativePropertyHooks }, JS::GetRealmFunctionPrototypeHandle, PrototypeTraits::Depth, prototypes::id::MozStorageStatementRow, true, 0, "MozStorageStatementRow", }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "MozStorageStatementRowPrototype", 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::MozStorageStatementRow, PrototypeTraits::Depth, &sNativePropertyHooks, JS::GetRealmObjectPrototype }; bool ConstructorEnabled(JSContext* aCx, JS::Handle aObj) { return nsContentUtils::ThreadsafeIsSystemCaller(aCx); } static JS::Handle GetProtoObjectHandle(JSContext* aCx); bool DOMProxyHandler::getOwnPropDescriptor(JSContext* cx, JS::Handle proxy, JS::Handle id, bool ignoreNamedProps, JS::MutableHandle> desc) const { bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy); JS::Rooted expando(cx); if (!isXray &&(expando = GetExpandoObject(proxy))) { if (!JS_GetOwnPropertyDescriptorById(cx, expando, id, desc)) { return false; } if (desc.isSome()) { return true; } } bool callNamedGetter = false; if (!ignoreNamedProps) { bool hasOnProto; if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) { return false; } callNamedGetter = !hasOnProto; } if (callNamedGetter) { JS::Rooted value(cx); nsAutoString name; bool isSymbol; if (!ConvertIdToString(cx, id, name, isSymbol)) { return false; } if (!isSymbol) { mozilla::storage::StatementRow* self = UnwrapProxy(proxy); bool found = false; FastErrorResult rv; JS::Rooted result(cx); // NOTE: This assert does NOT call the function. static_assert(std::is_void_vNamedGetter(cx, NonNullHelper(Constify(name)), found, &result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->NamedGetter(cx, NonNullHelper(Constify(name)), found, &result, rv); if (rv.MaybeSetPendingException(cx, "MozStorageStatementRow named getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (found) { JS::ExposeValueToActiveJS(result); value.set(result); if (!MaybeWrapValue(cx, &value)) { return false; } desc.set(mozilla::Some(JS::PropertyDescriptor::Data(value, { JS::PropertyAttribute::Configurable, JS::PropertyAttribute::Enumerable }))); return true; } } } desc.reset(); return true; } bool DOMProxyHandler::defineProperty(JSContext* cx_, JS::Handle proxy, JS::Handle id, JS::Handle desc, JS::ObjectOpResult& opresult, bool* done) const { JSContext* cx = cx_; bool found = false; nsAutoString name; bool isSymbol; if (!ConvertIdToString(cx, id, name, isSymbol)) { return false; } if (!isSymbol) { mozilla::storage::StatementRow* self = UnwrapProxy(proxy); FastErrorResult rv; JS::Rooted result(cx); // NOTE: This assert does NOT call the function. static_assert(std::is_void_vNamedGetter(cx, NonNullHelper(Constify(name)), found, &result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->NamedGetter(cx, NonNullHelper(Constify(name)), found, &result, rv); if (rv.MaybeSetPendingException(cx, "MozStorageStatementRow named getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); (void)result; } if (found) { *done = true; return opresult.failNoNamedSetter(); } return mozilla::dom::DOMProxyHandler::defineProperty(cx_, proxy, id, desc, opresult, done); } bool DOMProxyHandler::ownPropNames(JSContext* cx, JS::Handle proxy, unsigned flags, JS::MutableHandleVector props) const { bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy); nsTArray names; UnwrapProxy(proxy)->GetSupportedNames(names); if (!AppendNamedPropertyIds(cx, proxy, names, false, props)) { return false; } JS::Rooted expando(cx); if (!isXray &&(expando = DOMProxyHandler::GetExpandoObject(proxy)) && !js::GetPropertyKeys(cx, expando, flags, props)) { return false; } return true; } bool DOMProxyHandler::hasOwn(JSContext* cx, JS::Handle proxy, JS::Handle id, bool* bp) const { MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), "Should not have a XrayWrapper here"); JS::Rooted expando(cx, GetExpandoObject(proxy)); if (expando) { bool b = true; bool ok = JS_HasPropertyById(cx, expando, id, &b); *bp = !!b; if (!ok || *bp) { return ok; } } bool hasOnProto; if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) { return false; } if (!hasOnProto) { bool found = false; nsAutoString name; bool isSymbol; if (!ConvertIdToString(cx, id, name, isSymbol)) { return false; } if (!isSymbol) { mozilla::storage::StatementRow* self = UnwrapProxy(proxy); FastErrorResult rv; JS::Rooted result(cx); // NOTE: This assert does NOT call the function. static_assert(std::is_void_vNamedGetter(cx, NonNullHelper(Constify(name)), found, &result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->NamedGetter(cx, NonNullHelper(Constify(name)), found, &result, rv); if (rv.MaybeSetPendingException(cx, "MozStorageStatementRow named getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); (void)result; } *bp = found; return true; } *bp = false; return true; } bool DOMProxyHandler::get(JSContext* cx, JS::Handle proxy, JS::Handle receiver, JS::Handle id, JS::MutableHandle vp) const { MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), "Should not have a XrayWrapper here"); bool expandoHasProp = false; { // Scope for expando JS::Rooted expando(cx, DOMProxyHandler::GetExpandoObject(proxy)); if (expando) { if (!JS_HasPropertyById(cx, expando, id, &expandoHasProp)) { return false; } if (expandoHasProp) { // Forward the get to the expando object, but our receiver is whatever our // receiver is. if (!JS_ForwardGetPropertyTo(cx, expando, id, receiver, vp)) { return false; } } } } if (expandoHasProp) { return true; } bool foundOnPrototype; if (!GetPropertyOnPrototype(cx, proxy, receiver, id, &foundOnPrototype, vp)) { return false; } if (foundOnPrototype) { return true; } MOZ_ASSERT(vp.isUndefined()); nsAutoString name; bool isSymbol; if (!ConvertIdToString(cx, id, name, isSymbol)) { return false; } if (!isSymbol) { mozilla::storage::StatementRow* self = UnwrapProxy(proxy); bool found = false; FastErrorResult rv; JS::Rooted result(cx); // NOTE: This assert does NOT call the function. static_assert(std::is_void_vNamedGetter(cx, NonNullHelper(Constify(name)), found, &result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->NamedGetter(cx, NonNullHelper(Constify(name)), found, &result, rv); if (rv.MaybeSetPendingException(cx, "MozStorageStatementRow named getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (found) { JS::ExposeValueToActiveJS(result); vp.set(result); if (!MaybeWrapValue(cx, vp)) { return false; } return true; } } return true; } const char* DOMProxyHandler::className(JSContext* cx, JS::Handle proxy) const { return "MozStorageStatementRow"; } bool DOMProxyHandler::finalizeInBackground(const JS::Value& priv) const { return false; } void DOMProxyHandler::finalize(JS::GCContext* gcx, JSObject* proxy) const { mozilla::storage::StatementRow* self = UnwrapPossiblyNotInitializedDOMObject(proxy); if (self) { js::SetProxyReservedSlot(proxy, DOM_OBJECT_SLOT, JS::UndefinedValue()); ClearWrapper(self, self, proxy); if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) { JS::RemoveAssociatedMemory(proxy, mallocBytes, JS::MemoryUse::DOMBinding); } AddForDeferredFinalization(self); } } const DOMProxyHandler* DOMProxyHandler::getInstance() { static const DOMProxyHandler instance; return &instance; } bool DOMProxyHandler::delete_(JSContext* cx, JS::Handle proxy, JS::Handle id, JS::ObjectOpResult& opresult) const { MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), "Should not have a XrayWrapper here"); // Try named delete only if the named property visibility // algorithm says the property is visible. bool tryNamedDelete = true; { // Scope for expando JS::Rooted expando(cx, DOMProxyHandler::GetExpandoObject(proxy)); if (expando) { bool hasProp; if (!JS_HasPropertyById(cx, expando, id, &hasProp)) { return false; } tryNamedDelete = !hasProp; } } if (tryNamedDelete) { bool hasOnProto; if (!HasPropertyOnPrototype(cx, proxy, id, &hasOnProto)) { return false; } tryNamedDelete = !hasOnProto; } if (tryNamedDelete) { bool found = false; bool deleteSucceeded; nsAutoString name; bool isSymbol; if (!ConvertIdToString(cx, id, name, isSymbol)) { return false; } if (!isSymbol) { mozilla::storage::StatementRow* self = UnwrapProxy(proxy); FastErrorResult rv; JS::Rooted result(cx); // NOTE: This assert does NOT call the function. static_assert(std::is_void_vNamedGetter(cx, NonNullHelper(Constify(name)), found, &result, rv))>, "Should be returning void here"); MOZ_KnownLive(self)->NamedGetter(cx, NonNullHelper(Constify(name)), found, &result, rv); if (rv.MaybeSetPendingException(cx, "MozStorageStatementRow named getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); (void)result; } deleteSucceeded = !found; if (found) { return deleteSucceeded ? opresult.succeed() : opresult.failCantDelete(); } } return dom::DOMProxyHandler::delete_(cx, proxy, id, opresult); } size_t DOMProxyHandler::objectMoved(JSObject* obj, JSObject* old) const { return NativeTypeHelpers::ObjectMoved(obj, old); } static const DOMJSClass sClass = { PROXY_CLASS_DEF("MozStorageStatementRow", JSCLASS_IS_DOMJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(1)), { prototypes::id::MozStorageStatementRow, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, std::is_base_of_v, &sNativePropertyHooks, GetProtoObjectHandle, GetCCParticipant::Get(), nullptr, nullptr }; bool Wrap(JSContext* aCx, mozilla::storage::StatementRow* aObject, nsWrapperCache* aCache, JS::Handle aGivenProto, JS::MutableHandle aReflector) { static_assert(!std::is_base_of_v, "Shouldn't have wrappercached things that are not refcounted."); static_assert(std::is_same_v); 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()) { DOMProxyHandler::getInstance()->finalize(nullptr /* unused */, oldReflector); MOZ_ASSERT(!aCache->GetWrapperMaybeDead()); } JS::Rooted 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 canonicalProto = GetProtoObjectHandle(aCx); if (!canonicalProto) { return false; } JS::Rooted 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 creator(aCx); creator.CreateProxyObject(aCx, &sClass.mBase, DOMProxyHandler::getInstance(), proto, /* aLazyProto = */ false, aObject, JS::UndefinedHandleValue, aReflector); if (!aReflector) { return false; } aCache->SetWrapper(aReflector); creator.InitializationSucceeded(); MOZ_ASSERT(aCache->GetWrapperPreserveColor() && aCache->GetWrapperPreserveColor() == aReflector); // If proto != canonicalProto, we have to preserve our wrapper; // otherwise we won't be able to properly recreate it later, since // we won't know what proto to use. Note that we don't check // aGivenProto here, since it's entirely possible (and even // somewhat common) to have a non-null aGivenProto which is the // same as canonicalProto. if (proto != canonicalProto) { PreserveWrapper(aObject); } return true; } void CreateInterfaceObjects(JSContext* aCx, JS::Handle aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, DefineInterfaceProperty aDefineOnGlobal) { JS::Heap* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MozStorageStatementRow); JS::Heap* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MozStorageStatementRow); JS::Handle parentProto(JS::GetRealmObjectPrototypeHandle(aCx)); if (!parentProto) { return; } JS::Handle constructorProto(JS::GetRealmFunctionPrototypeHandle(aCx)); if (!constructorProto) { return; } dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, &sPrototypeClass, protoCache, constructorProto, &sInterfaceObjectInfo, 0, false, Span{}, interfaceCache, nullptr, nullptr, "MozStorageStatementRow", ShouldExpose(aCx, aGlobal, aDefineOnGlobal), nullptr, false, nullptr); } static JS::Handle GetProtoObjectHandle(JSContext* aCx) { /* Get the interface prototype object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, prototypes::id::MozStorageStatementRow, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } JS::Handle GetConstructorObjectHandle(JSContext* aCx) { /* Get the interface object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, constructors::id::MozStorageStatementRow, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace MozStorageStatementRow_Binding } // namespace mozilla::dom