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/* THIS FILE IS AUTOGENERATED FROM MozSharedMap.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "AtomList.h"
#include "EventBinding.h"
#include "EventTargetBinding.h"
#include "MainThreadUtils.h"
#include "MozSharedMapBinding.h"
#include "WrapperFactory.h"
#include "XrayWrapper.h"
#include "js/Array.h"
#include "js/CallAndConstruct.h"
#include "js/Exception.h"
#include "js/ForOfIterator.h"
#include "js/MapAndSet.h"
#include "js/Object.h"
#include "js/PropertyAndElement.h"
#include "js/PropertyDescriptor.h"
#include "js/Symbol.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/IterableIterator.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "mozilla/dom/ipc/SharedMap.h"
#include "mozilla/dom/ipc/SharedMapChangeEvent.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;
MozSharedMapChangeEventInit::MozSharedMapChangeEventInit()
: EventInit(FastDictionaryInitializer())
{
// Safe to pass a null context if we pass a null value
Init();
}
bool
MozSharedMapChangeEventInit::InitIds(JSContext* cx, MozSharedMapChangeEventInitAtoms* atomsCache)
{
MOZ_ASSERT(reinterpret_cast<jsid*>(atomsCache)->isVoid());
// Initialize these in reverse order so that any failure leaves the first one
// uninitialized.
if (!atomsCache->changedKeys_id.init(cx, "changedKeys")) {
return false;
}
return true;
}
bool
MozSharedMapChangeEventInit::Init(const char* sourceDescription, bool passedToJSImpl)
{
// We init the parent's members first
if (!EventInit::Init(nullptr, JS::NullHandleValue)) {
return false;
}
return true;
}
void
MozSharedMapChangeEventInit::TraceDictionary(JSTracer* trc)
{
EventInit::TraceDictionary(trc);
}
MozSharedMapChangeEventInit&
MozSharedMapChangeEventInit::operator=(const MozSharedMapChangeEventInit& aOther)
{
EventInit::operator=(aOther);
mChangedKeys = aOther.mChangedKeys;
return *this;
}
namespace MozSharedMapIterator_Binding {
static bool
Wrap(JSContext* aCx, mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>* aObject, JS::MutableHandle<JSObject*> aReflector);
} // namespace MozSharedMapIterator_Binding
namespace MozSharedMap_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
has(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozSharedMap", "has", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::SharedMap*>(void_self);
if (!args.requireAtLeast(cx, "MozSharedMap.has", 1)) {
return false;
}
binding_detail::FakeString<char16_t> arg0;
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
bool result(MOZ_KnownLive(self)->Has(NonNullHelper(Constify(arg0))));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setBoolean(result);
return true;
}
static const JSJitInfo has_methodinfo = {
{ (JSJitGetterOp)has },
{ prototypes::id::MozSharedMap },
{ PrototypeTraits<prototypes::id::MozSharedMap>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
get(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozSharedMap", "get", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::SharedMap*>(void_self);
if (!args.requireAtLeast(cx, "MozSharedMap.get", 1)) {
return false;
}
binding_detail::FakeString<char16_t> arg0;
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
FastErrorResult rv;
JS::Rooted<JS::Value> result(cx);
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->Get(cx, NonNullHelper(Constify(arg0)), &result, rv))>, "Should be returning void here");
MOZ_KnownLive(self)->Get(cx, NonNullHelper(Constify(arg0)), &result, rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "MozSharedMap.get"))) {
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 get_methodinfo = {
{ (JSJitGetterOp)get },
{ prototypes::id::MozSharedMap },
{ PrototypeTraits<prototypes::id::MozSharedMap>::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. */
};
MOZ_CAN_RUN_SCRIPT static bool
entries(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozSharedMap", "entries", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::SharedMap*>(void_self);
typedef mozilla::dom::binding_detail::WrappableIterableIterator<mozilla::dom::ipc::SharedMap, &MozSharedMapIterator_Binding::Wrap> itrType;
RefPtr<itrType> result(new itrType(self,
itrType::IteratorType::Entries));
static_assert(!std::is_pointer_v<decltype(result)>,
"NewObject implies that we need to keep the object alive with a strong reference.");
if (!WrapNewBindingNonWrapperCachedObject(cx, obj, result, args.rval())) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
static const JSJitInfo::ArgType entries_methodinfo_argTypes[] = { JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo entries_methodinfo = {
{
{ (JSJitGetterOp)entries },
{ prototypes::id::MozSharedMap },
{ PrototypeTraits<prototypes::id::MozSharedMap>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
true, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
},
entries_methodinfo_argTypes
};
MOZ_CAN_RUN_SCRIPT static bool
keys(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozSharedMap", "keys", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::SharedMap*>(void_self);
typedef mozilla::dom::binding_detail::WrappableIterableIterator<mozilla::dom::ipc::SharedMap, &MozSharedMapIterator_Binding::Wrap> itrType;
RefPtr<itrType> result(new itrType(self,
itrType::IteratorType::Keys));
static_assert(!std::is_pointer_v<decltype(result)>,
"NewObject implies that we need to keep the object alive with a strong reference.");
if (!WrapNewBindingNonWrapperCachedObject(cx, obj, result, args.rval())) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
static const JSJitInfo::ArgType keys_methodinfo_argTypes[] = { JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo keys_methodinfo = {
{
{ (JSJitGetterOp)keys },
{ prototypes::id::MozSharedMap },
{ PrototypeTraits<prototypes::id::MozSharedMap>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
true, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
},
keys_methodinfo_argTypes
};
MOZ_CAN_RUN_SCRIPT static bool
values(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozSharedMap", "values", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::SharedMap*>(void_self);
typedef mozilla::dom::binding_detail::WrappableIterableIterator<mozilla::dom::ipc::SharedMap, &MozSharedMapIterator_Binding::Wrap> itrType;
RefPtr<itrType> result(new itrType(self,
itrType::IteratorType::Values));
static_assert(!std::is_pointer_v<decltype(result)>,
"NewObject implies that we need to keep the object alive with a strong reference.");
if (!WrapNewBindingNonWrapperCachedObject(cx, obj, result, args.rval())) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
static const JSJitInfo::ArgType values_methodinfo_argTypes[] = { JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo values_methodinfo = {
{
{ (JSJitGetterOp)values },
{ prototypes::id::MozSharedMap },
{ PrototypeTraits<prototypes::id::MozSharedMap>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
true, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
},
values_methodinfo_argTypes
};
MOZ_CAN_RUN_SCRIPT static bool
forEach(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
BindingCallContext cx(cx_, "MozSharedMap.forEach");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozSharedMap", "forEach", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::SharedMap*>(void_self);
JS::Rooted<JSObject*> arg0(cx);
if (args.get(0).isObject()) {
arg0 = &args.get(0).toObject();
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 1");
return false;
}
JS::Rooted<JS::Value> arg1(cx);
if (args.hasDefined(1)) {
arg1 = args.get(1);
} else {
arg1 = JS::UndefinedValue();
}
if (!JS::IsCallable(arg0)) {
cx.ThrowErrorMessage<MSG_NOT_CALLABLE>("Argument 1");
return false;
}
JS::RootedValueArray<3> callArgs(cx);
callArgs[2].setObject(*obj);
JS::Rooted<JS::Value> ignoredReturnVal(cx);
auto GetKeyAtIndex = &mozilla::dom::ipc::SharedMap::GetKeyAtIndex;
auto GetValueAtIndex = &mozilla::dom::ipc::SharedMap::GetValueAtIndex;
for (size_t i = 0; i < self->GetIterableLength(); ++i) {
if (!CallIterableGetter(cx, GetValueAtIndex, self, i,
callArgs[0])) {
return false;
}
if (!CallIterableGetter(cx, GetKeyAtIndex, self, i,
callArgs[1])) {
return false;
}
if (!JS::Call(cx, arg1, arg0, JS::HandleValueArray(callArgs),
&ignoredReturnVal)) {
return false;
}
}
args.rval().setUndefined();
return true;
}
static const JSJitInfo forEach_methodinfo = {
{ (JSJitGetterOp)forEach },
{ prototypes::id::MozSharedMap },
{ PrototypeTraits<prototypes::id::MozSharedMap>::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 bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
mozilla::dom::ipc::SharedMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::SharedMap>(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::GCContext* gcx, JSObject* obj)
{
mozilla::dom::ipc::SharedMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::SharedMap>(obj);
if (self) {
JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, obj);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(obj, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::dom::ipc::SharedMap>(self);
}
}
static nsWrapperCache*
_getWrapperCache(JS::Handle<JSObject*> obj)
{
mozilla::dom::ipc::SharedMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::SharedMap>(obj);
return self;
}
static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
mozilla::dom::ipc::SharedMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::SharedMap>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const JSFunctionSpec sMethods_specs[] = {
JS_FNSPEC("has", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&has_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("get", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&get_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("entries", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&entries_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("keys", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&keys_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("values", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&values_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("forEach", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&forEach_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
JS_FS_END
};
static const Prefable<const JSFunctionSpec> sMethods[] = {
{ nullptr, &sMethods_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(6 <= 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[6];
static PropertyInfo sNativeProperties_propertyInfos[6];
static const NativePropertiesN<1> sNativeProperties = {
false, 0,
false, 0,
true, 0 /* sMethods */,
false, 0,
false, 0,
false, 0,
false, 0,
2,
6,
sNativeProperties_sortedPropertyIndices,
{
{ sMethods, &sNativeProperties_propertyInfos[0] }
}
};
static_assert(2 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.iteratorAliasMethodIndex) - 1),
"We have an iterator alias index that is oversized");
static_assert(6 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
"We have a property info count that is oversized");
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
nullptr,
{ sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited },
prototypes::id::MozSharedMap,
constructors::id::MozSharedMap,
&DefaultXrayExpandoObjectClass
};
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ ThrowingConstructor, &sNativePropertyHooks },
EventTarget_Binding::GetConstructorObject,
prototypes::id::MozSharedMap,
PrototypeTraits<prototypes::id::MozSharedMap>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"MozSharedMapPrototype",
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::MozSharedMap,
PrototypeTraits<prototypes::id::MozSharedMap>::Depth,
&sNativePropertyHooks,
EventTarget_Binding::GetProtoObject
};
bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
return nsContentUtils::ThreadsafeIsSystemCaller(aCx);
}
static const JSClassOps sClassOps = {
_addProperty, /* addProperty */
nullptr, /* delProperty */
nullptr, /* enumerate */
nullptr, /* newEnumerate */
nullptr, /* resolve */
nullptr, /* mayResolve */
_finalize, /* finalize */
nullptr, /* call */
nullptr, /* construct */
nullptr, /* trace */
};
static const js::ClassExtension sClassExtension = {
_objectMoved /* objectMovedOp */
};
static const DOMJSClass sClass = {
{ "MozSharedMap",
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::MozSharedMap, 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<nsISupports, mozilla::dom::ipc::SharedMap>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::ipc::SharedMap>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::ipc::SharedMap>::Get(),
nullptr,
_getWrapperCache
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
"Must have the right minimal number of reserved slots.");
static_assert(1 >= 1,
"Must have enough reserved slots.");
bool
Wrap(JSContext* aCx, mozilla::dom::ipc::SharedMap* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::ipc::SharedMap>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::ipc::SharedMap*>);
MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
"Multiple inheritance for mozilla::dom::EventTarget is broken.");
MOZ_ASSERT(ToSupportsIsCorrect(aObject));
MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
MOZ_ASSERT(!aCache->GetWrapper(),
"You should probably not be using Wrap() directly; use "
"GetOrCreateDOMReflector instead");
MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
"nsISupports must be on our primary inheritance chain");
// If the wrapper cache contains a dead reflector then finalize that
// now, ensuring that the finalizer for the old reflector always
// runs before the new reflector is created and attached. This
// avoids the awkward situation where there are multiple reflector
// objects that contain pointers to the same native.
if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) {
_finalize(nullptr /* unused */, oldReflector);
MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
}
JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
if (!global) {
return false;
}
MOZ_ASSERT(JS_IsGlobalObject(global));
JS::AssertObjectIsNotGray(global);
// That might have ended up wrapping us already, due to the wonders
// of XBL. Check for that, and bail out as needed.
aReflector.set(aCache->GetWrapper());
if (aReflector) {
#ifdef DEBUG
AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
return true;
}
JSAutoRealm ar(aCx, global);
JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> proto(aCx);
if (aGivenProto) {
proto = aGivenProto;
// Unfortunately, while aGivenProto was in the compartment of aCx
// coming in, we changed compartments to that of "parent" so may need
// to wrap the proto here.
if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) {
if (!JS_WrapObject(aCx, &proto)) {
return false;
}
}
} else {
proto = canonicalProto;
}
BindingJSObjectCreator<mozilla::dom::ipc::SharedMap> creator(aCx);
creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
if (!aReflector) {
return false;
}
aCache->SetWrapper(aReflector);
creator.InitializationSucceeded();
MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
aCache->GetWrapperPreserveColor() == aReflector);
// If proto != canonicalProto, we have to preserve our wrapper;
// otherwise we won't be able to properly recreate it later, since
// we won't know what proto to use. Note that we don't check
// aGivenProto here, since it's entirely possible (and even
// somewhat common) to have a non-null aGivenProto which is the
// same as canonicalProto.
if (proto != canonicalProto) {
PreserveWrapper(aObject);
}
return true;
}
void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MozSharedMap);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MozSharedMap);
JS::Handle<JSObject*> parentProto(EventTarget_Binding::GetProtoObjectHandle(aCx));
if (!parentProto) {
return;
}
JS::Handle<JSObject*> constructorProto(EventTarget_Binding::GetConstructorObjectHandle(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
nullptr,
"MozSharedMap", aDefineOnGlobal,
nullptr,
false,
nullptr);
JS::AssertObjectIsNotGray(*protoCache);
JS::Handle<JSObject*> proto = JS::Handle<JSObject*>::fromMarkedLocation(protoCache->address());
if (!proto) {
*protoCache = nullptr;
if (interfaceCache) {
*interfaceCache = nullptr;
}
return;
}
// Set up aliases on the interface prototype object we just created.
JS::Rooted<JS::Value> aliasedVal(aCx);
if (!JS_GetProperty(aCx, proto, "entries", &aliasedVal)) {
*protoCache = nullptr;
if (interfaceCache) {
*interfaceCache = nullptr;
}
return;
}
JS::Rooted<jsid> iteratorId(aCx, JS::GetWellKnownSymbolKey(aCx, JS::SymbolCode::iterator));
if (!JS_DefinePropertyById(aCx, proto, iteratorId, aliasedVal, 0)) {
*protoCache = nullptr;
if (interfaceCache) {
*interfaceCache = nullptr;
}
return;
}
}
JSObject*
GetProtoObject(JSContext* aCx)
{
return GetProtoObjectHandle(aCx);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace MozSharedMap_Binding
namespace MozSharedMapChangeEvent_Binding {
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<Event_Binding::NativeType>::value,
"Can't inherit from an interface with a different ownership model.");
MOZ_CAN_RUN_SCRIPT static bool
get_changedKeys(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozSharedMapChangeEvent", "changedKeys", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::SharedMapChangeEvent*>(void_self);
// Have to either root across the getter call or reget after.
bool isXray;
JS::Rooted<JSObject*> slotStorage(cx, GetCachedSlotStorageObject(cx, obj, &isXray));
if (!slotStorage) {
return false;
}
const size_t slotIndex = isXray ? (xpc::JSSLOT_EXPANDO_COUNT + 0) : (DOM_INSTANCE_RESERVED_SLOTS + 0);
MOZ_ASSERT(JSCLASS_RESERVED_SLOTS(JS::GetClass(slotStorage)) > slotIndex);
{
// Scope for cachedVal
JS::Value cachedVal = JS::GetReservedSlot(slotStorage, slotIndex);
if (!cachedVal.isUndefined()) {
args.rval().set(cachedVal);
// The cached value is in the compartment of slotStorage,
// so wrap into the caller compartment as needed.
return MaybeWrapNonDOMObjectValue(cx, args.rval());
}
}
nsTArray<nsString> result;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->GetChangedKeys(result))>, "Should be returning void here");
MOZ_KnownLive(self)->GetChangedKeys(result);
MOZ_ASSERT(!JS_IsExceptionPending(cx));
{
JS::Rooted<JSObject*> conversionScope(cx, isXray ? JS::CurrentGlobalOrNull(cx) : slotStorage);
JSAutoRealm ar(cx, conversionScope);
do { // block we break out of when done wrapping
uint32_t length = result.Length();
JS::Rooted<JSObject*> returnArray(cx, JS::NewArrayObject(cx, length));
if (!returnArray) {
return false;
}
// Scope for 'tmp'
{
JS::Rooted<JS::Value> tmp(cx);
for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) {
// Control block to let us common up the JS_DefineElement calls when there
// are different ways to succeed at wrapping the object.
do {
if (!xpc::NonVoidStringToJsval(cx, result[sequenceIdx0], &tmp)) {
return false;
}
break;
} while (false);
if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
JSPROP_ENUMERATE)) {
return false;
}
}
}
args.rval().setObject(*returnArray);
break;
} while (false);
}
{ // And now store things in the realm of our slotStorage.
JSAutoRealm ar(cx, slotStorage);
// Make a copy so that we don't do unnecessary wrapping on args.rval().
JS::Rooted<JS::Value> storedVal(cx, args.rval());
if (!MaybeWrapNonDOMObjectValue(cx, &storedVal)) {
return false;
}
JS::SetReservedSlot(slotStorage, slotIndex, storedVal);
if (!isXray) {
// In the Xray case we don't need to do this, because getting the
// expando object already preserved our wrapper.
PreserveWrapper(self);
}
}
// And now make sure args.rval() is in the caller realm.
return MaybeWrapNonDOMObjectValue(cx, args.rval());
}
static const JSJitInfo changedKeys_getterinfo = {
{ get_changedKeys },
{ prototypes::id::MozSharedMapChangeEvent },
{ PrototypeTraits<prototypes::id::MozSharedMapChangeEvent>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasNone, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
true, /* isMovable. Not relevant for setters. */
true, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
true, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
(DOM_INSTANCE_RESERVED_SLOTS + 0) /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) < 2, "There is no slot for us");
MOZ_CAN_RUN_SCRIPT static bool
get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozSharedMapChangeEvent", "isTrusted", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::SharedMapChangeEvent*>(void_self);
bool result(MOZ_KnownLive(self)->IsTrusted());
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setBoolean(result);
return true;
}
static const JSJitInfo isTrusted_getterinfo = {
{ get_isTrusted },
{ prototypes::id::MozSharedMapChangeEvent },
{ PrototypeTraits<prototypes::id::MozSharedMapChangeEvent>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
true, /* isInfallible. False in setters. */
true, /* isMovable. Not relevant for setters. */
true, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
mozilla::dom::ipc::SharedMapChangeEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::SharedMapChangeEvent>(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::GCContext* gcx, JSObject* obj)
{
mozilla::dom::ipc::SharedMapChangeEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::SharedMapChangeEvent>(obj);
if (self) {
JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, obj);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(obj, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::dom::ipc::SharedMapChangeEvent>(self);
}
}
static nsWrapperCache*
_getWrapperCache(JS::Handle<JSObject*> obj)
{
mozilla::dom::ipc::SharedMapChangeEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::SharedMapChangeEvent>(obj);
return self;
}
static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
mozilla::dom::ipc::SharedMapChangeEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::SharedMapChangeEvent>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const JSPropertySpec sAttributes_specs[] = {
JSPropertySpec::nativeAccessors("changedKeys", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &changedKeys_getterinfo, nullptr, nullptr),
JS_PS_END
};
static const Prefable<const JSPropertySpec> sAttributes[] = {
{ nullptr, &sAttributes_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static const JSPropertySpec sUnforgeableAttributes_specs[] = {
JSPropertySpec::nativeAccessors("isTrusted", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isTrusted_getterinfo, nullptr, nullptr),
JS_PS_END
};
static const Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
{ nullptr, &sUnforgeableAttributes_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static uint16_t sNativeProperties_sortedPropertyIndices[2];
static PropertyInfo sNativeProperties_propertyInfos[2];
static const NativePropertiesN<2> sNativeProperties = {
false, 0,
false, 0,
false, 0,
true, 0 /* sAttributes */,
false, 0,
true, 1 /* sUnforgeableAttributes */,
false, 0,
-1,
2,
sNativeProperties_sortedPropertyIndices,
{
{ sAttributes, &sNativeProperties_propertyInfos[0] },
{ sUnforgeableAttributes, &sNativeProperties_propertyInfos[1] }
}
};
static_assert(2 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
"We have a property info count that is oversized");
// This may allocate too many slots, because we only really need
// slots for our non-interface-typed members that we cache. But
// allocating slots only for those would make the slot index
// computations much more complicated, so let's do this the simple
// way for now.
DEFINE_XRAY_EXPANDO_CLASS(static, sXrayExpandoObjectClass, 1);
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
nullptr,
{ sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited },
prototypes::id::MozSharedMapChangeEvent,
constructors::id::MozSharedMapChangeEvent,
&sXrayExpandoObjectClass
};
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ ThrowingConstructor, &sNativePropertyHooks },
Event_Binding::GetConstructorObject,
prototypes::id::MozSharedMapChangeEvent,
PrototypeTraits<prototypes::id::MozSharedMapChangeEvent>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"MozSharedMapChangeEventPrototype",
JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
JS_NULL_CLASS_OPS,
JS_NULL_CLASS_SPEC,
JS_NULL_CLASS_EXT,
JS_NULL_OBJECT_OPS
},
eInterfacePrototype,
prototypes::id::MozSharedMapChangeEvent,
PrototypeTraits<prototypes::id::MozSharedMapChangeEvent>::Depth,
&sNativePropertyHooks,
Event_Binding::GetProtoObject
};
bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
return nsContentUtils::ThreadsafeIsSystemCaller(aCx);
}
static const JSClassOps sClassOps = {
_addProperty, /* addProperty */
nullptr, /* delProperty */
nullptr, /* enumerate */
nullptr, /* newEnumerate */
nullptr, /* resolve */
nullptr, /* mayResolve */
_finalize, /* finalize */
nullptr, /* call */
nullptr, /* construct */
nullptr, /* trace */
};
static const js::ClassExtension sClassExtension = {
_objectMoved /* objectMovedOp */
};
static const DOMJSClass sClass = {
{ "MozSharedMapChangeEvent",
JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(2) | JSCLASS_SKIP_NURSERY_FINALIZE,
&sClassOps,
JS_NULL_CLASS_SPEC,
&sClassExtension,
JS_NULL_OBJECT_OPS
},
{ prototypes::id::Event, prototypes::id::MozSharedMapChangeEvent, 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<nsISupports, mozilla::dom::ipc::SharedMapChangeEvent>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::ipc::SharedMapChangeEvent>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::ipc::SharedMapChangeEvent>::Get(),
nullptr,
_getWrapperCache
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
"Must have the right minimal number of reserved slots.");
static_assert(2 >= 2,
"Must have enough reserved slots.");
bool
Wrap(JSContext* aCx, mozilla::dom::ipc::SharedMapChangeEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::ipc::SharedMapChangeEvent>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::ipc::SharedMapChangeEvent*>);
MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
reinterpret_cast<mozilla::dom::Event*>(aObject),
"Multiple inheritance for mozilla::dom::Event is broken.");
MOZ_ASSERT(ToSupportsIsCorrect(aObject));
MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
MOZ_ASSERT(!aCache->GetWrapper(),
"You should probably not be using Wrap() directly; use "
"GetOrCreateDOMReflector instead");
MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
"nsISupports must be on our primary inheritance chain");
// If the wrapper cache contains a dead reflector then finalize that
// now, ensuring that the finalizer for the old reflector always
// runs before the new reflector is created and attached. This
// avoids the awkward situation where there are multiple reflector
// objects that contain pointers to the same native.
if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) {
_finalize(nullptr /* unused */, oldReflector);
MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
}
JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
if (!global) {
return false;
}
MOZ_ASSERT(JS_IsGlobalObject(global));
JS::AssertObjectIsNotGray(global);
// That might have ended up wrapping us already, due to the wonders
// of XBL. Check for that, and bail out as needed.
aReflector.set(aCache->GetWrapper());
if (aReflector) {
#ifdef DEBUG
AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
return true;
}
JSAutoRealm ar(aCx, global);
JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> proto(aCx);
if (aGivenProto) {
proto = aGivenProto;
// Unfortunately, while aGivenProto was in the compartment of aCx
// coming in, we changed compartments to that of "parent" so may need
// to wrap the proto here.
if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) {
if (!JS_WrapObject(aCx, &proto)) {
return false;
}
}
} else {
proto = canonicalProto;
}
BindingJSObjectCreator<mozilla::dom::ipc::SharedMapChangeEvent> creator(aCx);
creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
if (!aReflector) {
return false;
}
aCache->SetWrapper(aReflector);
// Important: do unforgeable property setup after we have handed
// over ownership of the C++ object to obj as needed, so that if
// we fail and it ends up GCed it won't have problems in the
// finalizer trying to drop its ownership of the C++ object.
JS::Rooted<JSObject*> unforgeableHolder(aCx,
&JS::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
aCache->ReleaseWrapper(aObject);
aCache->ClearWrapper();
return false;
}
creator.InitializationSucceeded();
MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
aCache->GetWrapperPreserveColor() == aReflector);
// If proto != canonicalProto, we have to preserve our wrapper;
// otherwise we won't be able to properly recreate it later, since
// we won't know what proto to use. Note that we don't check
// aGivenProto here, since it's entirely possible (and even
// somewhat common) to have a non-null aGivenProto which is the
// same as canonicalProto.
if (proto != canonicalProto) {
PreserveWrapper(aObject);
}
return true;
}
void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MozSharedMapChangeEvent);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MozSharedMapChangeEvent);
JS::Handle<JSObject*> parentProto(Event_Binding::GetProtoObjectHandle(aCx));
if (!parentProto) {
return;
}
JS::Handle<JSObject*> constructorProto(Event_Binding::GetConstructorObjectHandle(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
nullptr,
"MozSharedMapChangeEvent", aDefineOnGlobal,
nullptr,
false,
nullptr);
JS::AssertObjectIsNotGray(*protoCache);
JS::Handle<JSObject*> proto = JS::Handle<JSObject*>::fromMarkedLocation(protoCache->address());
if (!proto) {
*protoCache = nullptr;
if (interfaceCache) {
*interfaceCache = nullptr;
}
return;
}
JS::Rooted<JSObject*> unforgeableHolder(
aCx, JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), proto));
if (!unforgeableHolder) {
*protoCache = nullptr;
if (interfaceCache) {
*interfaceCache = nullptr;
}
return;
}
if (!DefineLegacyUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
*protoCache = nullptr;
if (interfaceCache) {
*interfaceCache = nullptr;
}
return;
}
if (*protoCache) {
JS::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
JS::ObjectValue(*unforgeableHolder));
}
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace MozSharedMapChangeEvent_Binding
namespace MozSharedMapIterator_Binding {
MOZ_CAN_RUN_SCRIPT static bool
next(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozSharedMapIterator", "next", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>*>(void_self);
FastErrorResult rv;
JS::Rooted<JSObject*> result(cx);
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->Next(cx, &result, rv))>, "Should be returning void here");
MOZ_KnownLive(self)->Next(cx, &result, rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "MozSharedMapIterator.next"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
JS::ExposeObjectToActiveJS(result);
args.rval().setObject(*result);
if (!MaybeWrapObjectValue(cx, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo next_methodinfo = {
{ (JSJitGetterOp)next },
{ prototypes::id::MozSharedMapIterator },
{ PrototypeTraits<prototypes::id::MozSharedMapIterator>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
static void
_finalize(JS::GCContext* gcx, JSObject* obj)
{
mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>>(obj);
if (self) {
JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(obj, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>>(self);
}
}
static const JSFunctionSpec sMethods_specs[] = {
JS_FNSPEC("next", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&next_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FS_END
};
static const Prefable<const JSFunctionSpec> sMethods[] = {
{ nullptr, &sMethods_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static uint16_t sNativeProperties_sortedPropertyIndices[1];
static PropertyInfo sNativeProperties_propertyInfos[1];
static const NativePropertiesN<1> sNativeProperties = {
false, 0,
false, 0,
true, 0 /* sMethods */,
false, 0,
false, 0,
false, 0,
false, 0,
-1,
1,
sNativeProperties_sortedPropertyIndices,
{
{ sMethods, &sNativeProperties_propertyInfos[0] }
}
};
static_assert(1 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
"We have a property info count that is oversized");
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
nullptr,
{ sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited },
prototypes::id::MozSharedMapIterator,
constructors::id::_ID_Count,
&DefaultXrayExpandoObjectClass
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"MozSharedMap IteratorPrototype",
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::MozSharedMapIterator,
PrototypeTraits<prototypes::id::MozSharedMapIterator>::Depth,
&sNativePropertyHooks,
JS::GetRealmIteratorPrototype
};
inline static JS::Handle<JSObject*> GetProtoObjectHandle(JSContext* aCx);
static const JSClassOps sClassOps = {
nullptr, /* addProperty */
nullptr, /* delProperty */
nullptr, /* enumerate */
nullptr, /* newEnumerate */
nullptr, /* resolve */
nullptr, /* mayResolve */
_finalize, /* finalize */
nullptr, /* call */
nullptr, /* construct */
nullptr, /* trace */
};
static const js::ClassExtension sClassExtension = {
nullptr /* objectMovedOp */
};
static const DOMJSClass sClass = {
{ "MozSharedMap Iterator",
JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
&sClassOps,
JS_NULL_CLASS_SPEC,
&sClassExtension,
JS_NULL_OBJECT_OPS
},
{ prototypes::id::MozSharedMapIterator, 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<nsISupports, mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>>::Get(),
nullptr,
nullptr
};
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.");
static bool
Wrap(JSContext* aCx, mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>* aObject, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>*>);
MOZ_ASSERT(ToSupportsIsCorrect(aObject));
JS::Rooted<JSObject*> global(aCx, JS::CurrentGlobalOrNull(aCx));
JS::Handle<JSObject*> proto = GetProtoObjectHandle(aCx);
if (!proto) {
return false;
}
BindingJSObjectCreator<mozilla::dom::IterableIterator<mozilla::dom::ipc::SharedMap>> creator(aCx);
creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
if (!aReflector) {
return false;
}
creator.InitializationSucceeded();
return true;
}
static void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MozSharedMapIterator);
JS::Heap<JSObject*>* interfaceCache = nullptr;
JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmIteratorPrototype(aCx));
if (!parentProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
nullptr, nullptr, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
nullptr,
"MozSharedMap Iterator", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
inline static JS::Handle<JSObject*> GetProtoObjectHandle(JSContext* aCx)
{
/* Get the interface prototype object for this class. This will create the
object as needed. */
return GetPerInterfaceObjectHandle(aCx, prototypes::id::MozSharedMapIterator,
&CreateInterfaceObjects,
/* aDefineOnGlobal = */ true);
}
} // namespace MozSharedMapIterator_Binding
namespace MozWritableSharedMap_Binding {
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<MozSharedMap_Binding::NativeType>::value,
"Can't inherit from an interface with a different ownership model.");
MOZ_CAN_RUN_SCRIPT static bool
set(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozWritableSharedMap", "set", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::WritableSharedMap*>(void_self);
if (!args.requireAtLeast(cx, "MozWritableSharedMap.set", 2)) {
return false;
}
binding_detail::FakeString<char16_t> arg0;
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
JS::Rooted<JS::Value> arg1(cx);
arg1 = args[1];
FastErrorResult rv;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->Set(cx, NonNullHelper(Constify(arg0)), arg1, rv))>, "Should be returning void here");
MOZ_KnownLive(self)->Set(cx, NonNullHelper(Constify(arg0)), arg1, rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "MozWritableSharedMap.set"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setUndefined();
return true;
}
static const JSJitInfo set_methodinfo = {
{ (JSJitGetterOp)set },
{ prototypes::id::MozWritableSharedMap },
{ PrototypeTraits<prototypes::id::MozWritableSharedMap>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
_delete_(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozWritableSharedMap", "delete", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::WritableSharedMap*>(void_self);
if (!args.requireAtLeast(cx, "MozWritableSharedMap.delete", 1)) {
return false;
}
binding_detail::FakeString<char16_t> arg0;
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->Delete(NonNullHelper(Constify(arg0))))>, "Should be returning void here");
MOZ_KnownLive(self)->Delete(NonNullHelper(Constify(arg0)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setUndefined();
return true;
}
static const JSJitInfo delete_methodinfo = {
{ (JSJitGetterOp)_delete_ },
{ prototypes::id::MozWritableSharedMap },
{ PrototypeTraits<prototypes::id::MozWritableSharedMap>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
flush(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"MozWritableSharedMap", "flush", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::ipc::WritableSharedMap*>(void_self);
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->Flush())>, "Should be returning void here");
MOZ_KnownLive(self)->Flush();
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().setUndefined();
return true;
}
static const JSJitInfo flush_methodinfo = {
{ (JSJitGetterOp)flush },
{ prototypes::id::MozWritableSharedMap },
{ PrototypeTraits<prototypes::id::MozWritableSharedMap>::Depth },
JSJitInfo::Method,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_UNDEFINED, /* 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 bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
mozilla::dom::ipc::WritableSharedMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::WritableSharedMap>(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::GCContext* gcx, JSObject* obj)
{
mozilla::dom::ipc::WritableSharedMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::WritableSharedMap>(obj);
if (self) {
JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, obj);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(obj, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::dom::ipc::WritableSharedMap>(self);
}
}
static nsWrapperCache*
_getWrapperCache(JS::Handle<JSObject*> obj)
{
mozilla::dom::ipc::WritableSharedMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::WritableSharedMap>(obj);
return self;
}
static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
mozilla::dom::ipc::WritableSharedMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ipc::WritableSharedMap>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const JSFunctionSpec sMethods_specs[] = {
JS_FNSPEC("set", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&set_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("delete", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&delete_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("flush", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&flush_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FS_END
};
static const Prefable<const JSFunctionSpec> sMethods[] = {
{ nullptr, &sMethods_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static uint16_t sNativeProperties_sortedPropertyIndices[3];
static PropertyInfo sNativeProperties_propertyInfos[3];
static const NativePropertiesN<1> sNativeProperties = {
false, 0,
false, 0,
true, 0 /* sMethods */,
false, 0,
false, 0,
false, 0,
false, 0,
-1,
3,
sNativeProperties_sortedPropertyIndices,
{
{ sMethods, &sNativeProperties_propertyInfos[0] }
}
};
static_assert(3 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
"We have a property info count that is oversized");
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
nullptr,
{ sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited },
prototypes::id::MozWritableSharedMap,
constructors::id::MozWritableSharedMap,
&DefaultXrayExpandoObjectClass
};
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ ThrowingConstructor, &sNativePropertyHooks },
MozSharedMap_Binding::GetConstructorObject,
prototypes::id::MozWritableSharedMap,
PrototypeTraits<prototypes::id::MozWritableSharedMap>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"MozWritableSharedMapPrototype",
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::MozWritableSharedMap,
PrototypeTraits<prototypes::id::MozWritableSharedMap>::Depth,
&sNativePropertyHooks,
MozSharedMap_Binding::GetProtoObject
};
bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
return nsContentUtils::ThreadsafeIsSystemCaller(aCx);
}
static const JSClassOps sClassOps = {
_addProperty, /* addProperty */
nullptr, /* delProperty */
nullptr, /* enumerate */
nullptr, /* newEnumerate */
nullptr, /* resolve */
nullptr, /* mayResolve */
_finalize, /* finalize */
nullptr, /* call */
nullptr, /* construct */
nullptr, /* trace */
};
static const js::ClassExtension sClassExtension = {
_objectMoved /* objectMovedOp */
};
static const DOMJSClass sClass = {
{ "MozWritableSharedMap",
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::MozSharedMap, prototypes::id::MozWritableSharedMap, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
std::is_base_of_v<nsISupports, mozilla::dom::ipc::WritableSharedMap>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::ipc::WritableSharedMap>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::ipc::WritableSharedMap>::Get(),
nullptr,
_getWrapperCache
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
"Must have the right minimal number of reserved slots.");
static_assert(1 >= 1,
"Must have enough reserved slots.");
bool
Wrap(JSContext* aCx, mozilla::dom::ipc::WritableSharedMap* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::ipc::WritableSharedMap>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::ipc::WritableSharedMap*>);
MOZ_ASSERT(static_cast<mozilla::dom::ipc::SharedMap*>(aObject) ==
reinterpret_cast<mozilla::dom::ipc::SharedMap*>(aObject),
"Multiple inheritance for mozilla::dom::ipc::SharedMap is broken.");
MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
"Multiple inheritance for mozilla::dom::EventTarget is broken.");
MOZ_ASSERT(ToSupportsIsCorrect(aObject));
MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
MOZ_ASSERT(!aCache->GetWrapper(),
"You should probably not be using Wrap() directly; use "
"GetOrCreateDOMReflector instead");
MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
"nsISupports must be on our primary inheritance chain");
// If the wrapper cache contains a dead reflector then finalize that
// now, ensuring that the finalizer for the old reflector always
// runs before the new reflector is created and attached. This
// avoids the awkward situation where there are multiple reflector
// objects that contain pointers to the same native.
if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) {
_finalize(nullptr /* unused */, oldReflector);
MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
}
JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
if (!global) {
return false;
}
MOZ_ASSERT(JS_IsGlobalObject(global));
JS::AssertObjectIsNotGray(global);
// That might have ended up wrapping us already, due to the wonders
// of XBL. Check for that, and bail out as needed.
aReflector.set(aCache->GetWrapper());
if (aReflector) {
#ifdef DEBUG
AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
return true;
}
JSAutoRealm ar(aCx, global);
JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> proto(aCx);
if (aGivenProto) {
proto = aGivenProto;
// Unfortunately, while aGivenProto was in the compartment of aCx
// coming in, we changed compartments to that of "parent" so may need
// to wrap the proto here.
if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) {
if (!JS_WrapObject(aCx, &proto)) {
return false;
}
}
} else {
proto = canonicalProto;
}
BindingJSObjectCreator<mozilla::dom::ipc::WritableSharedMap> creator(aCx);
creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
if (!aReflector) {
return false;
}
aCache->SetWrapper(aReflector);
creator.InitializationSucceeded();
MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
aCache->GetWrapperPreserveColor() == aReflector);
// If proto != canonicalProto, we have to preserve our wrapper;
// otherwise we won't be able to properly recreate it later, since
// we won't know what proto to use. Note that we don't check
// aGivenProto here, since it's entirely possible (and even
// somewhat common) to have a non-null aGivenProto which is the
// same as canonicalProto.
if (proto != canonicalProto) {
PreserveWrapper(aObject);
}
return true;
}
void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::MozWritableSharedMap);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::MozWritableSharedMap);
JS::Handle<JSObject*> parentProto(MozSharedMap_Binding::GetProtoObjectHandle(aCx));
if (!parentProto) {
return;
}
JS::Handle<JSObject*> constructorProto(MozSharedMap_Binding::GetConstructorObjectHandle(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
nullptr,
"MozWritableSharedMap", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace MozWritableSharedMap_Binding
} // namespace mozilla::dom