/* THIS FILE IS AUTOGENERATED FROM HTMLDocument.webidl BY Codegen.py - DO NOT EDIT */ #include #include "DocumentBinding.h" #include "HTMLDocumentBinding.h" #include "MainThreadUtils.h" #include "WrapperFactory.h" #include "XrayWrapper.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/String.h" #include "js/experimental/JitInfo.h" #include "mozilla/Atomics.h" #include "mozilla/OwningNonNull.h" #include "mozilla/ProfilerLabels.h" #include "mozilla/StaticPrefs_dom.h" #include "mozilla/UseCounter.h" #include "mozilla/dom/BindingCallContext.h" #include "mozilla/dom/BindingUtils.h" #include "mozilla/dom/DOMJSClass.h" #include "mozilla/dom/DOMJSProxyHandler.h" #include "mozilla/dom/Location.h" #include "mozilla/dom/NonRefcountedDOMObject.h" #include "mozilla/dom/Nullable.h" #include "mozilla/dom/ProxyHandlerUtils.h" #include "mozilla/dom/XrayExpandoClass.h" #include "nsHTMLDocument.h" namespace mozilla::dom { namespace binding_detail {}; // Just to make sure it's known as a namespace using namespace mozilla::dom::binding_detail; namespace HTMLDocument_Binding { static_assert(IsRefcounted::value == IsRefcounted::value, "Can't inherit from an interface with a different ownership model."); MOZ_CAN_RUN_SCRIPT static bool get_location(JSContext* cx, JS::Handle obj, void* void_self, JSJitGetterCallArgs args) { AUTO_PROFILER_LABEL_DYNAMIC_FAST( "HTMLDocument", "location", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); auto* self = static_cast(void_self); auto result(StrongOrRawPtr(MOZ_KnownLive(self)->GetLocation())); 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; } MOZ_CAN_RUN_SCRIPT static bool set_location(JSContext* cx_, JS::Handle obj, void* void_self, JSJitSetterCallArgs args) { BindingCallContext cx(cx_, "HTMLDocument.location setter"); AUTO_PROFILER_LABEL_DYNAMIC_FAST( "HTMLDocument", "location", DOM, cx, uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_SETTER) | uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)); JS::Rooted v(cx); if (!JS_GetProperty(cx, obj, "location", &v)) { return false; } if (!v.isObject()) { return cx.ThrowErrorMessage("HTMLDocument.location"); } JS::Rooted targetObj(cx, &v.toObject()); return JS_SetProperty(cx, targetObj, "href", args[0]); } static const JSJitInfo location_getterinfo = { { get_location }, { prototypes::id::HTMLDocument }, { PrototypeTraits::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 const JSJitInfo location_setterinfo = { { (JSJitGetterOp)set_location }, { prototypes::id::HTMLDocument }, { PrototypeTraits::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. */ }; MOZ_GLOBINIT static const JSPropertySpec sUnforgeableAttributes_specs[] = { JSPropertySpec::nativeAccessors("location", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter, &location_getterinfo, GenericSetter, &location_setterinfo), JS_PS_END }; static const Prefable 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[1]; static PropertyInfo sNativeProperties_propertyInfos[1]; static const NativePropertiesN<1> sNativeProperties = { false, 0, false, 0, false, 0, false, 0, false, 0, true, 0 /* sUnforgeableAttributes */, false, 0, -1, 1, sNativeProperties_sortedPropertyIndices, { { sUnforgeableAttributes, &sNativeProperties_propertyInfos[0] } } }; static_assert(1 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)), "We have a property info count that is oversized"); 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 ShadowingDOMProxyHandler { public: using Base = ShadowingDOMProxyHandler; 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 nsHTMLDocument* 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()); } // 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_WITH_OPS(static, sXrayExpandoObjectClass, 1, &xpc::XrayExpandoObjectClassOps); const NativeNamedOrIndexedPropertyHooks sNativeNamedOrIndexedPropertyHooks = { binding_detail::ResolveOwnProperty, binding_detail::EnumerateOwnProperties, nullptr }; bool sNativePropertiesInited = false; const NativePropertyHooks sNativePropertyHooks = { &sNativeNamedOrIndexedPropertyHooks, { sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited }, prototypes::id::HTMLDocument, constructors::id::HTMLDocument, &sXrayExpandoObjectClass }; static const DOMInterfaceInfo sInterfaceObjectInfo = { { ThrowingConstructor, &sNativePropertyHooks }, Document_Binding::GetConstructorObjectHandle, PrototypeTraits::Depth, prototypes::id::HTMLDocument, true, 0, "HTMLDocument", }; static const DOMIfaceAndProtoJSClass sPrototypeClass = { { "HTMLDocumentPrototype", 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::HTMLDocument, PrototypeTraits::Depth, &sNativePropertyHooks, Document_Binding::GetProtoObject }; bool CountMaybeMissingProperty(JS::Handle proxy, JS::Handle id) { MOZ_ASSERT(StaticPrefs::dom_missing_prop_counters_enabled() && id.isAtom()); Maybe counter; { // Scope for our no-GC section, so we don't need to rely on SetUseCounter not GCing. JS::AutoCheckCannotGC nogc; JSLinearString* str = JS::AtomToLinearString(id.toAtom()); // Don't waste time fetching the chars until we've done the length switch. switch (JS::GetLinearStringLength(str)) { case 8: { StringIdChars chars(nogc, str); switch (chars[2]) { case 'c': { if (JS_LinearStringEqualsLiteral(str, "oncancel")) { counter.emplace(eUseCounter_HTMLDocument_oncancel); } break; } case 'f': { if (JS_LinearStringEqualsLiteral(str, "onfreeze")) { counter.emplace(eUseCounter_HTMLDocument_onfreeze); } break; } case 'r': { if (JS_LinearStringEqualsLiteral(str, "onresume")) { counter.emplace(eUseCounter_HTMLDocument_onresume); } break; } case 's': { if (JS_LinearStringEqualsLiteral(str, "onsearch")) { counter.emplace(eUseCounter_HTMLDocument_onsearch); } break; } } break; } case 10: { if (JS_LinearStringEqualsLiteral(str, "xmlVersion")) { counter.emplace(eUseCounter_HTMLDocument_xmlVersion); } break; } case 11: { StringIdChars chars(nogc, str); switch (chars[0]) { case 'o': { if (JS_LinearStringEqualsLiteral(str, "onbeforecut")) { counter.emplace(eUseCounter_HTMLDocument_onbeforecut); } break; } case 'x': { if (JS_LinearStringEqualsLiteral(str, "xmlEncoding")) { counter.emplace(eUseCounter_HTMLDocument_xmlEncoding); } break; } } break; } case 12: { StringIdChars chars(nogc, str); switch (chars[0]) { case 'o': { switch (chars[2]) { case 'b': { if (JS_LinearStringEqualsLiteral(str, "onbeforecopy")) { counter.emplace(eUseCounter_HTMLDocument_onbeforecopy); } break; } case 'm': { if (JS_LinearStringEqualsLiteral(str, "onmousewheel")) { counter.emplace(eUseCounter_HTMLDocument_onmousewheel); } break; } } break; } case 'w': { switch (chars[1]) { case 'a': { if (JS_LinearStringEqualsLiteral(str, "wasDiscarded")) { counter.emplace(eUseCounter_HTMLDocument_wasDiscarded); } break; } case 'e': { if (JS_LinearStringEqualsLiteral(str, "webkitHidden")) { counter.emplace(eUseCounter_HTMLDocument_webkitHidden); } break; } } break; } } break; } case 13: { StringIdChars chars(nogc, str); switch (chars[0]) { case 'f': { if (JS_LinearStringEqualsLiteral(str, "featurePolicy")) { counter.emplace(eUseCounter_HTMLDocument_featurePolicy); } break; } case 'o': { if (JS_LinearStringEqualsLiteral(str, "onbeforepaste")) { counter.emplace(eUseCounter_HTMLDocument_onbeforepaste); } break; } case 'x': { if (JS_LinearStringEqualsLiteral(str, "xmlStandalone")) { counter.emplace(eUseCounter_HTMLDocument_xmlStandalone); } break; } } break; } case 15: { if (JS_LinearStringEqualsLiteral(str, "registerElement")) { counter.emplace(eUseCounter_HTMLDocument_registerElement); } break; } case 18: { if (JS_LinearStringEqualsLiteral(str, "webkitIsFullScreen")) { counter.emplace(eUseCounter_HTMLDocument_webkitIsFullScreen); } break; } case 19: { if (JS_LinearStringEqualsLiteral(str, "caretRangeFromPoint")) { counter.emplace(eUseCounter_HTMLDocument_caretRangeFromPoint); } break; } case 20: { StringIdChars chars(nogc, str); switch (chars[0]) { case 'e': { if (JS_LinearStringEqualsLiteral(str, "exitPictureInPicture")) { counter.emplace(eUseCounter_HTMLDocument_exitPictureInPicture); } break; } case 'w': { if (JS_LinearStringEqualsLiteral(str, "webkitExitFullscreen")) { counter.emplace(eUseCounter_HTMLDocument_webkitExitFullscreen); } break; } } break; } case 21: { if (JS_LinearStringEqualsLiteral(str, "webkitVisibilityState")) { counter.emplace(eUseCounter_HTMLDocument_webkitVisibilityState); } break; } case 22: { if (JS_LinearStringEqualsLiteral(str, "webkitCancelFullScreen")) { counter.emplace(eUseCounter_HTMLDocument_webkitCancelFullScreen); } break; } case 23: { StringIdChars chars(nogc, str); switch (chars[0]) { case 'o': { if (JS_LinearStringEqualsLiteral(str, "onwebkitfullscreenerror")) { counter.emplace(eUseCounter_HTMLDocument_onwebkitfullscreenerror); } break; } case 'p': { switch (chars[17]) { case 'l': { if (JS_LinearStringEqualsLiteral(str, "pictureInPictureElement")) { counter.emplace(eUseCounter_HTMLDocument_pictureInPictureElement); } break; } case 'n': { if (JS_LinearStringEqualsLiteral(str, "pictureInPictureEnabled")) { counter.emplace(eUseCounter_HTMLDocument_pictureInPictureEnabled); } break; } } break; } case 'w': { switch (chars[17]) { case 'l': { if (JS_LinearStringEqualsLiteral(str, "webkitFullscreenElement")) { counter.emplace(eUseCounter_HTMLDocument_webkitFullscreenElement); } break; } case 'n': { if (JS_LinearStringEqualsLiteral(str, "webkitFullscreenEnabled")) { counter.emplace(eUseCounter_HTMLDocument_webkitFullscreenEnabled); } break; } } break; } } break; } case 24: { if (JS_LinearStringEqualsLiteral(str, "onwebkitfullscreenchange")) { counter.emplace(eUseCounter_HTMLDocument_onwebkitfullscreenchange); } break; } case 30: { if (JS_LinearStringEqualsLiteral(str, "webkitCurrentFullScreenElement")) { counter.emplace(eUseCounter_HTMLDocument_webkitCurrentFullScreenElement); } break; } } } if (counter) { SetUseCounter(proxy, *counter); return true; } return false; } bool InterfaceHasProperty(const nsAString& name) { switch (name.Length()) { case 3: { switch (name[0]) { case 'U': { if (name == u"URL"_ns) { return true; } break; } case 'a': { if (name == u"all"_ns) { return true; } break; } case 'd': { if (name == u"dir"_ns) { return true; } break; } } break; } case 4: { switch (name[0]) { case 'b': { if (name == u"body"_ns) { return true; } break; } case 'h': { if (name == u"head"_ns) { return true; } break; } case 'l': { if (name == u"l10n"_ns) { return true; } break; } case 'o': { if (name == u"open"_ns) { return true; } break; } } break; } case 5: { switch (name[0]) { case 'c': { switch (name[2]) { case 'e': { if (name == u"clear"_ns) { return true; } break; } case 'o': { if (name == u"close"_ns) { return true; } break; } } break; } case 'f': { switch (name[2]) { case 'n': { if (name == u"fonts"_ns) { return true; } break; } case 'r': { if (name == u"forms"_ns) { return true; } break; } } break; } case 'l': { if (name == u"links"_ns) { return true; } break; } case 'o': { if (name == u"oncut"_ns) { return true; } break; } case 't': { if (name == u"title"_ns) { return true; } break; } case 'w': { if (name == u"write"_ns) { return true; } break; } } break; } case 6: { switch (name[0]) { case 'a': { if (name == u"append"_ns) { return true; } break; } case 'c': { if (name == u"cookie"_ns) { return true; } break; } case 'd': { if (name == u"domain"_ns) { return true; } break; } case 'e': { if (name == u"embeds"_ns) { return true; } break; } case 'h': { if (name == u"hidden"_ns) { return true; } break; } case 'i': { if (name == u"images"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'b': { if (name == u"onblur"_ns) { return true; } break; } case 'c': { if (name == u"oncopy"_ns) { return true; } break; } case 'd': { switch (name[4]) { case 'a': { if (name == u"ondrag"_ns) { return true; } break; } case 'o': { if (name == u"ondrop"_ns) { return true; } break; } } break; } case 'l': { if (name == u"onload"_ns) { return true; } break; } case 'p': { if (name == u"onplay"_ns) { return true; } break; } } break; } } break; } case 7: { switch (name[0]) { case 'a': { switch (name[1]) { case 'n': { if (name == u"anchors"_ns) { return true; } break; } case 'p': { if (name == u"applets"_ns) { return true; } break; } } break; } case 'b': { switch (name[1]) { case 'a': { if (name == u"baseURI"_ns) { return true; } break; } case 'g': { if (name == u"bgColor"_ns) { return true; } break; } } break; } case 'c': { if (name == u"charset"_ns) { return true; } break; } case 'd': { if (name == u"doctype"_ns) { return true; } break; } case 'f': { if (name == u"fgColor"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'a': { if (name == u"onabort"_ns) { return true; } break; } case 'c': { switch (name[4]) { case 'i': { if (name == u"onclick"_ns) { return true; } break; } case 'o': { if (name == u"onclose"_ns) { return true; } break; } } break; } case 'e': { switch (name[3]) { case 'n': { if (name == u"onended"_ns) { return true; } break; } case 'r': { if (name == u"onerror"_ns) { return true; } break; } } break; } case 'f': { if (name == u"onfocus"_ns) { return true; } break; } case 'i': { if (name == u"oninput"_ns) { return true; } break; } case 'k': { if (name == u"onkeyup"_ns) { return true; } break; } case 'p': { switch (name[4]) { case 's': { if (name == u"onpaste"_ns) { return true; } break; } case 'u': { if (name == u"onpause"_ns) { return true; } break; } } break; } case 'r': { if (name == u"onreset"_ns) { return true; } break; } case 'w': { if (name == u"onwheel"_ns) { return true; } break; } } break; } case 'p': { switch (name[1]) { case 'l': { if (name == u"plugins"_ns) { return true; } break; } case 'r': { if (name == u"prepend"_ns) { return true; } break; } } break; } case 's': { if (name == u"scripts"_ns) { return true; } break; } case 'v': { if (name == u"valueOf"_ns) { return true; } break; } case 'w': { if (name == u"writeln"_ns) { return true; } break; } } break; } case 8: { switch (name[0]) { case 'c': { switch (name[1]) { case 'h': { if (name == u"children"_ns) { return true; } break; } case 'o': { if (name == u"contains"_ns) { return true; } break; } } break; } case 'e': { if (name == u"evaluate"_ns) { return true; } break; } case 'h': { if (name == u"hasFocus"_ns) { return true; } break; } case 'l': { if (name == u"location"_ns) { return true; } break; } case 'n': { switch (name[4]) { case 'N': { if (name == u"nodeName"_ns) { return true; } break; } case 'T': { if (name == u"nodeType"_ns) { return true; } break; } } break; } case 'o': { switch (name[2]) { case 'c': { switch (name[3]) { case 'a': { if (name == u"oncancel"_ns) { return true; } break; } case 'h': { if (name == u"onchange"_ns) { return true; } break; } } break; } case 'r': { if (name == u"onresize"_ns) { return true; } break; } case 's': { switch (name[3]) { case 'c': { if (name == u"onscroll"_ns) { return true; } break; } case 'e': { switch (name[4]) { case 'e': { if (name == u"onseeked"_ns) { return true; } break; } case 'l': { if (name == u"onselect"_ns) { return true; } break; } } break; } case 'u': { if (name == u"onsubmit"_ns) { return true; } break; } } break; } case 't': { if (name == u"ontoggle"_ns) { return true; } break; } } break; } case 'r': { if (name == u"referrer"_ns) { return true; } break; } case 't': { switch (name[1]) { case 'i': { if (name == u"timeline"_ns) { return true; } break; } case 'o': { if (name == u"toString"_ns) { return true; } break; } } break; } } break; } case 9: { switch (name[0]) { case 'T': { if (name == u"TEXT_NODE"_ns) { return true; } break; } case '_': { if (name == u"__proto__"_ns) { return true; } break; } case 'a': { if (name == u"adoptNode"_ns) { return true; } break; } case 'c': { if (name == u"cloneNode"_ns) { return true; } break; } case 'l': { switch (name[1]) { case 'a': { if (name == u"lastChild"_ns) { return true; } break; } case 'i': { if (name == u"linkColor"_ns) { return true; } break; } } break; } case 'n': { switch (name[2]) { case 'd': { if (name == u"nodeValue"_ns) { return true; } break; } case 'r': { if (name == u"normalize"_ns) { return true; } break; } } break; } case 'o': { switch (name[2]) { case 'c': { switch (name[3]) { case 'a': { if (name == u"oncanplay"_ns) { return true; } break; } case 'o': { if (name == u"oncommand"_ns) { return true; } break; } } break; } case 'd': { if (name == u"ondragend"_ns) { return true; } break; } case 'e': { if (name == u"onemptied"_ns) { return true; } break; } case 'i': { if (name == u"oninvalid"_ns) { return true; } break; } case 'k': { if (name == u"onkeydown"_ns) { return true; } break; } case 'm': { if (name == u"onmouseup"_ns) { return true; } break; } case 'p': { if (name == u"onplaying"_ns) { return true; } break; } case 's': { switch (name[3]) { case 'e': { if (name == u"onseeking"_ns) { return true; } break; } case 't': { if (name == u"onstalled"_ns) { return true; } break; } case 'u': { if (name == u"onsuspend"_ns) { return true; } break; } } break; } case 'w': { if (name == u"onwaiting"_ns) { return true; } break; } } break; } case 'p': { if (name == u"parseHTML"_ns) { return true; } break; } } break; } case 10: { switch (name[0]) { case 'a': { switch (name[1]) { case 'l': { if (name == u"alinkColor"_ns) { return true; } break; } case 'r': { if (name == u"ariaNotify"_ns) { return true; } break; } } break; } case 'c': { switch (name[1]) { case 'h': { if (name == u"childNodes"_ns) { return true; } break; } case 'o': { if (name == u"compatMode"_ns) { return true; } break; } } break; } case 'd': { if (name == u"designMode"_ns) { return true; } break; } case 'f': { switch (name[1]) { case 'i': { if (name == u"firstChild"_ns) { return true; } break; } case 'u': { if (name == u"fullscreen"_ns) { return true; } break; } } break; } case 'i': { switch (name[1]) { case 'm': { if (name == u"importNode"_ns) { return true; } break; } case 's': { if (name == u"isSameNode"_ns) { return true; } break; } } break; } case 'm': { if (name == u"moveBefore"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'a': { if (name == u"onauxclick"_ns) { return true; } break; } case 'd': { switch (name[3]) { case 'b': { if (name == u"ondblclick"_ns) { return true; } break; } case 'r': { switch (name[6]) { case 'e': { if (name == u"ondragexit"_ns) { return true; } break; } case 'o': { if (name == u"ondragover"_ns) { return true; } break; } } break; } } break; } case 'f': { if (name == u"onformdata"_ns) { return true; } break; } case 'k': { if (name == u"onkeypress"_ns) { return true; } break; } case 'm': { if (name == u"onmouseout"_ns) { return true; } break; } case 'p': { if (name == u"onprogress"_ns) { return true; } break; } case 't': { if (name == u"ontouchend"_ns) { return true; } break; } } break; } case 'p': { if (name == u"parentNode"_ns) { return true; } break; } case 'r': { if (name == u"readyState"_ns) { return true; } break; } case 'v': { if (name == u"vlinkColor"_ns) { return true; } break; } } break; } case 11: { switch (name[0]) { case 'E': { if (name == u"ENTITY_NODE"_ns) { return true; } break; } case 'a': { if (name == u"appendChild"_ns) { return true; } break; } case 'c': { switch (name[1]) { case 'o': { switch (name[3]) { case 's': { if (name == u"constructor"_ns) { return true; } break; } case 't': { if (name == u"contentType"_ns) { return true; } break; } } break; } case 'r': { switch (name[6]) { case 'E': { if (name == u"createEvent"_ns) { return true; } break; } case 'R': { if (name == u"createRange"_ns) { return true; } break; } case 'T': { if (name == u"createTouch"_ns) { return true; } break; } } break; } } break; } case 'd': { switch (name[1]) { case 'e': { if (name == u"defaultView"_ns) { return true; } break; } case 'o': { if (name == u"documentURI"_ns) { return true; } break; } } break; } case 'e': { if (name == u"execCommand"_ns) { return true; } break; } case 'g': { switch (name[3]) { case 'B': { if (name == u"getBoxQuads"_ns) { return true; } break; } case 'R': { if (name == u"getRootNode"_ns) { return true; } break; } } break; } case 'i': { switch (name[2]) { case 'C': { if (name == u"isConnected"_ns) { return true; } break; } case 'E': { if (name == u"isEqualNode"_ns) { return true; } break; } } break; } case 'n': { if (name == u"nextSibling"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'c': { if (name == u"oncuechange"_ns) { return true; } break; } case 'd': { switch (name[6]) { case 'e': { if (name == u"ondragenter"_ns) { return true; } break; } case 'l': { if (name == u"ondragleave"_ns) { return true; } break; } case 's': { if (name == u"ondragstart"_ns) { return true; } break; } } break; } case 'l': { if (name == u"onloadstart"_ns) { return true; } break; } case 'm': { switch (name[7]) { case 'd': { if (name == u"onmousedown"_ns) { return true; } break; } case 'm': { if (name == u"onmousemove"_ns) { return true; } break; } case 'o': { if (name == u"onmouseover"_ns) { return true; } break; } } break; } case 'p': { if (name == u"onpointerup"_ns) { return true; } break; } case 's': { if (name == u"onscrollend"_ns) { return true; } break; } case 't': { if (name == u"ontouchmove"_ns) { return true; } break; } } break; } case 'r': { switch (name[1]) { case 'e': { if (name == u"removeChild"_ns) { return true; } break; } case 'o': { if (name == u"rootElement"_ns) { return true; } break; } } break; } case 's': { if (name == u"styleSheets"_ns) { return true; } break; } case 't': { if (name == u"textContent"_ns) { return true; } break; } } break; } case 12: { switch (name[0]) { case 'C': { if (name == u"COMMENT_NODE"_ns) { return true; } break; } case 'E': { if (name == u"ELEMENT_NODE"_ns) { return true; } break; } case 'c': { if (name == u"characterSet"_ns) { return true; } break; } case 'g': { if (name == u"getSelection"_ns) { return true; } break; } case 'i': { if (name == u"insertBefore"_ns) { return true; } break; } case 'l': { switch (name[1]) { case 'a': { if (name == u"lastModified"_ns) { return true; } break; } case 'o': { if (name == u"lookupPrefix"_ns) { return true; } break; } } break; } case 'o': { switch (name[2]) { case 'l': { if (name == u"onloadeddata"_ns) { return true; } break; } case 'm': { switch (name[7]) { case 'e': { if (name == u"onmouseenter"_ns) { return true; } break; } case 'l': { if (name == u"onmouseleave"_ns) { return true; } break; } } break; } case 'p': { if (name == u"onpointerout"_ns) { return true; } break; } case 'r': { if (name == u"onratechange"_ns) { return true; } break; } case 's': { if (name == u"onslotchange"_ns) { return true; } break; } case 't': { switch (name[3]) { case 'i': { if (name == u"ontimeupdate"_ns) { return true; } break; } case 'o': { if (name == u"ontouchstart"_ns) { return true; } break; } } break; } } break; } case 'r': { if (name == u"replaceChild"_ns) { return true; } break; } } break; } case 13: { switch (name[0]) { case 'D': { if (name == u"DOCUMENT_NODE"_ns) { return true; } break; } case 'N': { if (name == u"NOTATION_NODE"_ns) { return true; } break; } case '_': { if (name == u"__namedgetter"_ns) { return true; } break; } case 'a': { if (name == u"activeElement"_ns) { return true; } break; } case 'c': { switch (name[1]) { case 'a': { if (name == u"captureEvents"_ns) { return true; } break; } case 'r': { switch (name[6]) { case 'C': { if (name == u"createComment"_ns) { return true; } break; } case 'E': { if (name == u"createElement"_ns) { return true; } break; } } break; } case 'u': { if (name == u"currentScript"_ns) { return true; } break; } } break; } case 'd': { if (name == u"dispatchEvent"_ns) { return true; } break; } case 'f': { if (name == u"featurePolicy"_ns) { return true; } break; } case 'g': { if (name == u"getAnimations"_ns) { return true; } break; } case 'h': { if (name == u"hasChildNodes"_ns) { return true; } break; } case 'i': { switch (name[1]) { case 'n': { if (name == u"inputEncoding"_ns) { return true; } break; } case 's': { if (name == u"isPrototypeOf"_ns) { return true; } break; } } break; } case 'm': { if (name == u"mozFullScreen"_ns) { return true; } break; } case 'o': { switch (name[1]) { case 'n': { switch (name[2]) { case 'b': { switch (name[8]) { case 'i': { if (name == u"onbeforeinput"_ns) { return true; } break; } case 'm': { if (name == u"onbeforematch"_ns) { return true; } break; } } break; } case 'c': { switch (name[9]) { case 'l': { if (name == u"oncontextlost"_ns) { return true; } break; } case 'm': { if (name == u"oncontextmenu"_ns) { return true; } break; } } break; } case 'p': { switch (name[9]) { case 'd': { if (name == u"onpointerdown"_ns) { return true; } break; } case 'm': { if (name == u"onpointermove"_ns) { return true; } break; } case 'o': { if (name == u"onpointerover"_ns) { return true; } break; } } break; } case 's': { if (name == u"onselectstart"_ns) { return true; } break; } case 't': { if (name == u"ontouchcancel"_ns) { return true; } break; } } break; } case 'w': { if (name == u"ownerDocument"_ns) { return true; } break; } } break; } case 'p': { if (name == u"parentElement"_ns) { return true; } break; } case 'q': { if (name == u"querySelector"_ns) { return true; } break; } case 'r': { if (name == u"releaseEvents"_ns) { return true; } break; } } break; } case 14: { switch (name[0]) { case 'A': { if (name == u"ATTRIBUTE_NODE"_ns) { return true; } break; } case 'a': { if (name == u"accessibleNode"_ns) { return true; } break; } case 'c': { if (name == u"createTextNode"_ns) { return true; } break; } case 'e': { if (name == u"exitFullscreen"_ns) { return true; } break; } case 'g': { if (name == u"getElementById"_ns) { return true; } break; } case 'h': { if (name == u"hasOwnProperty"_ns) { return true; } break; } case 'i': { if (name == u"implementation"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'a': { if (name == u"onanimationend"_ns) { return true; } break; } case 'b': { if (name == u"onbeforetoggle"_ns) { return true; } break; } case 'p': { switch (name[9]) { case 'e': { if (name == u"onpointerenter"_ns) { return true; } break; } case 'l': { if (name == u"onpointerleave"_ns) { return true; } break; } } break; } case 'v': { if (name == u"onvolumechange"_ns) { return true; } break; } } break; } case 'r': { if (name == u"releaseCapture"_ns) { return true; } break; } case 's': { if (name == u"styleSheetSets"_ns) { return true; } break; } case 't': { if (name == u"toLocaleString"_ns) { return true; } break; } } break; } case 15: { switch (name[0]) { case 'c': { switch (name[6]) { case 'A': { if (name == u"createAttribute"_ns) { return true; } break; } case 'E': { if (name == u"createElementNS"_ns) { return true; } break; } case 'T': { if (name == u"createTouchList"_ns) { return true; } break; } } break; } case 'd': { if (name == u"documentElement"_ns) { return true; } break; } case 'e': { if (name == u"exitPointerLock"_ns) { return true; } break; } case 'g': { if (name == u"getNetErrorInfo"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'p': { if (name == u"onpointercancel"_ns) { return true; } break; } case 't': { switch (name[12]) { case 'e': { if (name == u"ontransitionend"_ns) { return true; } break; } case 'r': { if (name == u"ontransitionrun"_ns) { return true; } break; } } break; } } break; } case 'p': { switch (name[1]) { case 'a': { if (name == u"parseHTMLUnsafe"_ns) { return true; } break; } case 'r': { if (name == u"previousSibling"_ns) { return true; } break; } } break; } case 'r': { if (name == u"replaceChildren"_ns) { return true; } break; } case 'v': { if (name == u"visibilityState"_ns) { return true; } break; } } break; } case 16: { switch (name[0]) { case '_': { switch (name[2]) { case 'd': { switch (name[8]) { case 'G': { if (name == u"__defineGetter__"_ns) { return true; } break; } case 'S': { if (name == u"__defineSetter__"_ns) { return true; } break; } } break; } case 'l': { switch (name[8]) { case 'G': { if (name == u"__lookupGetter__"_ns) { return true; } break; } case 'S': { if (name == u"__lookupSetter__"_ns) { return true; } break; } } break; } } break; } case 'a': { switch (name[3]) { case 'C': { if (name == u"addCertException"_ns) { return true; } break; } case 'E': { if (name == u"addEventListener"_ns) { return true; } break; } } break; } case 'c': { switch (name[6]) { case 'E': { if (name == u"createExpression"_ns) { return true; } break; } case 'N': { if (name == u"createNSResolver"_ns) { return true; } break; } case 'T': { if (name == u"createTreeWalker"_ns) { return true; } break; } } break; } case 'e': { if (name == u"elementFromPoint"_ns) { return true; } break; } case 'h': { if (name == u"hasStorageAccess"_ns) { return true; } break; } case 'i': { if (name == u"inAndroidPipMode"_ns) { return true; } break; } case 'l': { if (name == u"lastElementChild"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'a': { if (name == u"onanimationstart"_ns) { return true; } break; } case 'c': { if (name == u"oncanplaythrough"_ns) { return true; } break; } case 'd': { if (name == u"ondurationchange"_ns) { return true; } break; } case 'l': { if (name == u"onloadedmetadata"_ns) { return true; } break; } } break; } case 'q': { if (name == u"querySelectorAll"_ns) { return true; } break; } case 's': { if (name == u"scrollingElement"_ns) { return true; } break; } } break; } case 17: { switch (name[0]) { case 'c': { switch (name[1]) { case 'h': { if (name == u"childElementCount"_ns) { return true; } break; } case 'r': { if (name == u"createAttributeNS"_ns) { return true; } break; } } break; } case 'e': { if (name == u"elementsFromPoint"_ns) { return true; } break; } case 'f': { switch (name[1]) { case 'i': { if (name == u"firstElementChild"_ns) { return true; } break; } case 'r': { if (name == u"fragmentDirective"_ns) { return true; } break; } case 'u': { switch (name[11]) { case 'l': { if (name == u"fullscreenElement"_ns) { return true; } break; } case 'n': { if (name == u"fullscreenEnabled"_ns) { return true; } break; } } break; } } break; } case 'g': { if (name == u"getElementsByName"_ns) { return true; } break; } case 'l': { if (name == u"lastStyleSheetSet"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'a': { if (name == u"onanimationcancel"_ns) { return true; } break; } case 'c': { if (name == u"oncontextrestored"_ns) { return true; } break; } case 'f': { if (name == u"onfullscreenerror"_ns) { return true; } break; } case 's': { if (name == u"onselectionchange"_ns) { return true; } break; } case 't': { if (name == u"ontransitionstart"_ns) { return true; } break; } } break; } case 'q': { switch (name[12]) { case 'S': { if (name == u"queryCommandState"_ns) { return true; } break; } case 'V': { if (name == u"queryCommandValue"_ns) { return true; } break; } } break; } } break; } case 18: { switch (name[0]) { case 'C': { if (name == u"CDATA_SECTION_NODE"_ns) { return true; } break; } case 'D': { if (name == u"DOCUMENT_TYPE_NODE"_ns) { return true; } break; } case 'a': { if (name == u"adoptedStyleSheets"_ns) { return true; } break; } case 'b': { if (name == u"blockUnblockOnload"_ns) { return true; } break; } case 'c': { switch (name[6]) { case 'C': { if (name == u"createCDATASection"_ns) { return true; } break; } case 'N': { if (name == u"createNodeIterator"_ns) { return true; } break; } } break; } case 'i': { if (name == u"isDefaultNamespace"_ns) { return true; } break; } case 'l': { if (name == u"lookupNamespaceURI"_ns) { return true; } break; } case 'm': { if (name == u"mozSetImageElement"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'f': { if (name == u"onfullscreenchange"_ns) { return true; } break; } case 'p': { switch (name[9]) { case 'l': { if (name == u"onpointerlockerror"_ns) { return true; } break; } case 'r': { if (name == u"onpointerrawupdate"_ns) { return true; } break; } } break; } case 'r': { if (name == u"onreadystatechange"_ns) { return true; } break; } case 't': { if (name == u"ontransitioncancel"_ns) { return true; } break; } case 'v': { if (name == u"onvisibilitychange"_ns) { return true; } break; } } break; } case 'p': { if (name == u"pointerLockElement"_ns) { return true; } break; } } break; } case 19: { switch (name[0]) { case 'c': { switch (name[1]) { case 'a': { if (name == u"caretRangeFromPoint"_ns) { return true; } break; } case 'o': { switch (name[7]) { case 'Q': { if (name == u"convertQuadFromNode"_ns) { return true; } break; } case 'R': { if (name == u"convertRectFromNode"_ns) { return true; } break; } } break; } } break; } case 'm': { if (name == u"mozCancelFullScreen"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'g': { if (name == u"ongotpointercapture"_ns) { return true; } break; } case 'p': { if (name == u"onpointerlockchange"_ns) { return true; } break; } } break; } case 'q': { if (name == u"queryCommandEnabled"_ns) { return true; } break; } case 'r': { if (name == u"removeEventListener"_ns) { return true; } break; } case 's': { if (name == u"startViewTransition"_ns) { return true; } break; } } break; } case 20: { switch (name[0]) { case 'a': { if (name == u"activeViewTransition"_ns) { return true; } break; } case 'c': { switch (name[3]) { case 't': { if (name == u"containingShadowRoot"_ns) { return true; } break; } case 'v': { if (name == u"convertPointFromNode"_ns) { return true; } break; } } break; } case 'e': { if (name == u"exitPictureInPicture"_ns) { return true; } break; } case 'g': { if (name == u"getElementsByTagName"_ns) { return true; } break; } case 'm': { switch (name[3]) { case 'F': { switch (name[14]) { case 'l': { if (name == u"mozFullScreenElement"_ns) { return true; } break; } case 'n': { if (name == u"mozFullScreenEnabled"_ns) { return true; } break; } } break; } case 'S': { if (name == u"mozSyntheticDocument"_ns) { return true; } break; } } break; } case 'o': { switch (name[2]) { case 'a': { if (name == u"onanimationiteration"_ns) { return true; } break; } case 'l': { if (name == u"onlostpointercapture"_ns) { return true; } break; } case 'm': { if (name == u"onmozfullscreenerror"_ns) { return true; } break; } case 'w': { if (name == u"onwebkitanimationend"_ns) { return true; } break; } } break; } case 'p': { if (name == u"propertyIsEnumerable"_ns) { return true; } break; } case 'q': { if (name == u"queryCommandIndeterm"_ns) { return true; } break; } case 'r': { if (name == u"requestStorageAccess"_ns) { return true; } break; } } break; } case 21: { switch (name[0]) { case 'E': { if (name == u"ENTITY_REFERENCE_NODE"_ns) { return true; } break; } case 'c': { if (name == u"customElementRegistry"_ns) { return true; } break; } case 'o': { switch (name[2]) { case 'm': { if (name == u"onmozfullscreenchange"_ns) { return true; } break; } case 'w': { if (name == u"onwebkittransitionend"_ns) { return true; } break; } } break; } case 'q': { if (name == u"queryCommandSupported"_ns) { return true; } break; } case 's': { if (name == u"selectedStyleSheetSet"_ns) { return true; } break; } } break; } case 22: { switch (name[0]) { case 'D': { if (name == u"DOCUMENT_FRAGMENT_NODE"_ns) { return true; } break; } case 'c': { switch (name[1]) { case 'a': { if (name == u"caretPositionFromPoint"_ns) { return true; } break; } case 'r': { if (name == u"createDocumentFragment"_ns) { return true; } break; } } break; } case 'g': { switch (name[13]) { case 'C': { if (name == u"getElementsByClassName"_ns) { return true; } break; } case 'T': { if (name == u"getElementsByTagNameNS"_ns) { return true; } break; } } break; } case 'o': { if (name == u"onwebkitanimationstart"_ns) { return true; } break; } case 'p': { if (name == u"preferredStyleSheetSet"_ns) { return true; } break; } } break; } case 23: { switch (name[0]) { case 'c': { if (name == u"compareDocumentPosition"_ns) { return true; } break; } case 'e': { if (name == u"enableStyleSheetsForSet"_ns) { return true; } break; } case 'h': { if (name == u"hasPendingL10nMutations"_ns) { return true; } break; } case 'p': { switch (name[17]) { case 'l': { if (name == u"pictureInPictureElement"_ns) { return true; } break; } case 'n': { if (name == u"pictureInPictureEnabled"_ns) { return true; } break; } } break; } } break; } case 25: { switch (name[0]) { case 'g': { if (name == u"getFailedCertSecurityInfo"_ns) { return true; } break; } case 'o': { if (name == u"onsecuritypolicyviolation"_ns) { return true; } break; } } break; } case 26: { switch (name[0]) { case 'D': { if (name == u"DOCUMENT_POSITION_CONTAINS"_ns) { return true; } break; } case 'o': { if (name == u"onwebkitanimationiteration"_ns) { return true; } break; } } break; } case 27: { switch (name[0]) { case 'D': { switch (name[18]) { case 'F': { if (name == u"DOCUMENT_POSITION_FOLLOWING"_ns) { return true; } break; } case 'P': { if (name == u"DOCUMENT_POSITION_PRECEDING"_ns) { return true; } break; } } break; } case 'P': { if (name == u"PROCESSING_INSTRUCTION_NODE"_ns) { return true; } break; } case 'c': { if (name == u"createProcessingInstruction"_ns) { return true; } break; } } break; } case 28: { if (name == u"reloadWithHttpsOnlyException"_ns) { return true; } break; } case 29: { if (name == u"requestStorageAccessForOrigin"_ns) { return true; } break; } case 30: { switch (name[18]) { case 'C': { if (name == u"DOCUMENT_POSITION_CONTAINED_BY"_ns) { return true; } break; } case 'D': { if (name == u"DOCUMENT_POSITION_DISCONNECTED"_ns) { return true; } break; } } break; } case 34: { if (name == u"oncontentvisibilityautostatechange"_ns) { return true; } break; } case 41: { if (name == u"DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC"_ns) { return true; } break; } } return false; } bool DOMProxyHandler::getOwnPropDescriptor(JSContext* cx, JS::Handle proxy, JS::Handle id, bool ignoreNamedProps, JS::MutableHandle> desc) const { bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy); if (StaticPrefs::dom_missing_prop_counters_enabled() && id.isAtom()) { CountMaybeMissingProperty(proxy, id); } 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) { if (!isXray) { callNamedGetter = true; } else { 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) { nsHTMLDocument* 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, "HTMLDocument named getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (found) { JS::ExposeObjectToActiveJS(result); value.setObject(*result); if (!MaybeWrapObjectValue(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) { nsHTMLDocument* 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, "HTMLDocument 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, !isXray, 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"); if (StaticPrefs::dom_missing_prop_counters_enabled() && id.isAtom()) { CountMaybeMissingProperty(proxy, id); } 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 found = false; nsAutoString name; bool isSymbol; if (!ConvertIdToString(cx, id, name, isSymbol)) { return false; } if (!isSymbol) { nsHTMLDocument* 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, "HTMLDocument named getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); (void)result; } *bp = found; 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"); if (StaticPrefs::dom_missing_prop_counters_enabled() && id.isAtom()) { CountMaybeMissingProperty(proxy, id); } 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; } nsAutoString name; bool isSymbol; if (!ConvertIdToString(cx, id, name, isSymbol)) { return false; } if (!isSymbol) { nsHTMLDocument* 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, "HTMLDocument named getter")) [[unlikely]] { return false; } MOZ_ASSERT(!JS_IsExceptionPending(cx)); if (found) { JS::ExposeObjectToActiveJS(result); vp.setObject(*result); if (!MaybeWrapObjectValue(cx, vp)) { return false; } return true; } } bool foundOnPrototype; if (!GetPropertyOnPrototype(cx, proxy, receiver, id, &foundOnPrototype, vp)) { return false; } if (foundOnPrototype) { return true; } MOZ_ASSERT(vp.isUndefined()); return true; } const char* DOMProxyHandler::className(JSContext* cx, JS::Handle proxy) const { return "HTMLDocument"; } bool DOMProxyHandler::finalizeInBackground(const JS::Value& priv) const { return false; } void DOMProxyHandler::finalize(JS::GCContext* gcx, JSObject* proxy) const { nsHTMLDocument* self = UnwrapPossiblyNotInitializedDOMObject(proxy); if (self) { js::SetProxyReservedSlot(proxy, DOM_OBJECT_SLOT, JS::UndefinedValue()); { JS::Value val = js::GetProxyReservedSlot(proxy, (DOM_INSTANCE_RESERVED_SLOTS + 0)); if (!val.isUndefined()) { JSObject* proxyObj = &val.toObject(); js::SetProxyReservedSlot(proxyObj, OBSERVABLE_ARRAY_DOM_INTERFACE_SLOT, JS::UndefinedValue()); } } // Either our proxy created an expando object or not. If it did, // then we would have preserved ourselves, and hence if we're going // away so is our C++ object and we should reset its expando value. // It's possible that in this situation the C++ object's reflector // pointer has been nulled out, but if not it's pointing to us. If // our proxy did _not_ create an expando object then it's possible // that we're no longer the reflector for our C++ object (and // incremental finalization is finally getting to us), and that in // the meantime the new reflector has created an expando object. // In that case we do NOT want to clear the expando pointer in the // C++ object. // // It's important to do this before we ClearWrapper, of course. JSObject* reflector = self->GetWrapperMaybeDead(); if (!reflector || reflector == proxy) { self->mExpandoAndGeneration.expando = 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 found = false; bool deleteSucceeded; nsAutoString name; bool isSymbol; if (!ConvertIdToString(cx, id, name, isSymbol)) { return false; } if (!isSymbol) { nsHTMLDocument* 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, "HTMLDocument 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("HTMLDocument", JSCLASS_IS_DOMJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(2)), { prototypes::id::EventTarget, prototypes::id::Node, prototypes::id::Document, prototypes::id::HTMLDocument, 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, nsHTMLDocument* 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(static_cast(aObject) == reinterpret_cast(aObject), "Multiple inheritance for mozilla::dom::Document is broken."); MOZ_ASSERT(static_cast(aObject) == reinterpret_cast(aObject), "Multiple inheritance for nsINode is broken."); MOZ_ASSERT(static_cast(aObject) == reinterpret_cast(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()) { 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); aObject->mExpandoAndGeneration.expando.setUndefined(); JS::Rooted expandoValue(aCx, JS::PrivateValue(&aObject->mExpandoAndGeneration)); creator.CreateProxyObject(aCx, &sClass.mBase, DOMProxyHandler::getInstance(), proto, /* aLazyProto = */ false, aObject, expandoValue, 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 expando(aCx, DOMProxyHandler::EnsureExpandoObject(aCx, aReflector)); if (!expando) { aCache->ReleaseWrapper(aObject); aCache->ClearWrapperOnWrapFailure(); return false; } JS::Rooted unforgeableHolder(aCx, &JS::GetNativeObjectReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject()); if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, expando, unforgeableHolder)) { aCache->ReleaseWrapper(aObject); aCache->ClearWrapperOnWrapFailure(); 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 aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, DefineInterfaceProperty aDefineOnGlobal) { JS::Heap* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::HTMLDocument); JS::Heap* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::HTMLDocument); JS::Handle parentProto(Document_Binding::GetProtoObjectHandle(aCx)); if (!parentProto) { return; } JS::Handle constructorProto(Document_Binding::GetConstructorObjectHandle(aCx)); if (!constructorProto) { return; } dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, &sPrototypeClass, protoCache, constructorProto, &sInterfaceObjectInfo, 0, false, Span{}, interfaceCache, sNativeProperties.Upcast(), nullptr, "HTMLDocument", aDefineOnGlobal != DefineInterfaceProperty::No, nullptr, false, nullptr); JS::Rooted unforgeableHolder( aCx, JS_NewObjectWithoutMetadata(aCx, nullptr, nullptr)); if (!unforgeableHolder) { *protoCache = nullptr; if (interfaceCache) { *interfaceCache = nullptr; } return; } if (!DefineLegacyUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) { *protoCache = nullptr; if (interfaceCache) { *interfaceCache = nullptr; } return; } if (*protoCache) { JS::SetNativeObjectReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE, JS::ObjectValue(*unforgeableHolder)); } } 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::HTMLDocument, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } JSObject* GetProtoObject(JSContext* aCx) { return GetProtoObjectHandle(aCx); } JS::Handle GetConstructorObjectHandle(JSContext* aCx) { /* Get the interface object for this class. This will create the object as needed. */ return GetPerInterfaceObjectHandle(aCx, constructors::id::HTMLDocument, &CreateInterfaceObjects, DefineInterfaceProperty::CheckExposure); } } // namespace HTMLDocument_Binding } // namespace mozilla::dom