LCOV - code coverage report
Current view: top level - obj-x86_64-pc-linux-gnu/dom/bindings - CacheBinding.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 24 608 3.9 %
Date: 2017-07-14 16:53:18 Functions: 4 39 10.3 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* THIS FILE IS AUTOGENERATED FROM Cache.webidl BY Codegen.py - DO NOT EDIT */
       2             : 
       3             : #include "AtomList.h"
       4             : #include "CacheBinding.h"
       5             : #include "RequestBinding.h"
       6             : #include "WrapperFactory.h"
       7             : #include "mozilla/OwningNonNull.h"
       8             : #include "mozilla/dom/BindingUtils.h"
       9             : #include "mozilla/dom/DOMJSClass.h"
      10             : #include "mozilla/dom/NonRefcountedDOMObject.h"
      11             : #include "mozilla/dom/PrimitiveConversions.h"
      12             : #include "mozilla/dom/Promise.h"
      13             : #include "mozilla/dom/Response.h"
      14             : #include "mozilla/dom/ScriptSettings.h"
      15             : #include "mozilla/dom/SimpleGlobalObject.h"
      16             : #include "mozilla/dom/ToJSValue.h"
      17             : #include "mozilla/dom/UnionConversions.h"
      18             : #include "mozilla/dom/XrayExpandoClass.h"
      19             : #include "mozilla/dom/cache/Cache.h"
      20             : #include "nsContentUtils.h"
      21             : 
      22             : namespace mozilla {
      23             : namespace dom {
      24             : 
      25             : 
      26           0 : CacheQueryOptions::CacheQueryOptions()
      27             : {
      28             :   // Safe to pass a null context if we pass a null value
      29           0 :   Init(nullptr, JS::NullHandleValue);
      30           0 : }
      31             : 
      32             : 
      33             : 
      34             : bool
      35           0 : CacheQueryOptions::InitIds(JSContext* cx, CacheQueryOptionsAtoms* atomsCache)
      36             : {
      37           0 :   MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
      38             : 
      39             :   // Initialize these in reverse order so that any failure leaves the first one
      40             :   // uninitialized.
      41           0 :   if (!atomsCache->ignoreVary_id.init(cx, "ignoreVary") ||
      42           0 :       !atomsCache->ignoreSearch_id.init(cx, "ignoreSearch") ||
      43           0 :       !atomsCache->ignoreMethod_id.init(cx, "ignoreMethod") ||
      44           0 :       !atomsCache->cacheName_id.init(cx, "cacheName")) {
      45           0 :     return false;
      46             :   }
      47           0 :   return true;
      48             : }
      49             : 
      50             : bool
      51           0 : CacheQueryOptions::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
      52             : {
      53             :   // Passing a null JSContext is OK only if we're initing from null,
      54             :   // Since in that case we will not have to do any property gets
      55             :   // Also evaluate isNullOrUndefined in order to avoid false-positive
      56             :   // checkers by static analysis tools
      57           0 :   MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
      58           0 :   CacheQueryOptionsAtoms* atomsCache = nullptr;
      59           0 :   if (cx) {
      60           0 :     atomsCache = GetAtomCache<CacheQueryOptionsAtoms>(cx);
      61           0 :     if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      62           0 :       return false;
      63             :     }
      64             :   }
      65             : 
      66           0 :   if (!IsConvertibleToDictionary(val)) {
      67           0 :     return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
      68             :   }
      69             : 
      70           0 :   bool isNull = val.isNullOrUndefined();
      71             :   // We only need these if !isNull, in which case we have |cx|.
      72           0 :   Maybe<JS::Rooted<JSObject *> > object;
      73           0 :   Maybe<JS::Rooted<JS::Value> > temp;
      74           0 :   if (!isNull) {
      75           0 :     MOZ_ASSERT(cx);
      76           0 :     object.emplace(cx, &val.toObject());
      77           0 :     temp.emplace(cx);
      78             :   }
      79           0 :   if (!isNull) {
      80           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->cacheName_id, temp.ptr())) {
      81           0 :       return false;
      82             :     }
      83             :   }
      84           0 :   if (!isNull && !temp->isUndefined()) {
      85           0 :     mCacheName.Construct();
      86           0 :     if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, (mCacheName.Value()))) {
      87           0 :       return false;
      88             :     }
      89           0 :     mIsAnyMemberPresent = true;
      90             :   }
      91             : 
      92           0 :   if (!isNull) {
      93           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->ignoreMethod_id, temp.ptr())) {
      94           0 :       return false;
      95             :     }
      96             :   }
      97           0 :   if (!isNull && !temp->isUndefined()) {
      98           0 :     if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mIgnoreMethod)) {
      99           0 :       return false;
     100             :     }
     101             :   } else {
     102           0 :     mIgnoreMethod = false;
     103             :   }
     104           0 :   mIsAnyMemberPresent = true;
     105             : 
     106           0 :   if (!isNull) {
     107           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->ignoreSearch_id, temp.ptr())) {
     108           0 :       return false;
     109             :     }
     110             :   }
     111           0 :   if (!isNull && !temp->isUndefined()) {
     112           0 :     if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mIgnoreSearch)) {
     113           0 :       return false;
     114             :     }
     115             :   } else {
     116           0 :     mIgnoreSearch = false;
     117             :   }
     118           0 :   mIsAnyMemberPresent = true;
     119             : 
     120           0 :   if (!isNull) {
     121           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->ignoreVary_id, temp.ptr())) {
     122           0 :       return false;
     123             :     }
     124             :   }
     125           0 :   if (!isNull && !temp->isUndefined()) {
     126           0 :     if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &mIgnoreVary)) {
     127           0 :       return false;
     128             :     }
     129             :   } else {
     130           0 :     mIgnoreVary = false;
     131             :   }
     132           0 :   mIsAnyMemberPresent = true;
     133           0 :   return true;
     134             : }
     135             : 
     136             : bool
     137           0 : CacheQueryOptions::Init(const nsAString& aJSON)
     138             : {
     139           0 :   AutoJSAPI jsapi;
     140           0 :   JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
     141           0 :   if (!cleanGlobal) {
     142           0 :     return false;
     143             :   }
     144           0 :   if (!jsapi.Init(cleanGlobal)) {
     145           0 :     return false;
     146             :   }
     147           0 :   JSContext* cx = jsapi.cx();
     148           0 :   JS::Rooted<JS::Value> json(cx);
     149           0 :   bool ok = ParseJSON(cx, aJSON, &json);
     150           0 :   NS_ENSURE_TRUE(ok, false);
     151           0 :   return Init(cx, json);
     152             : }
     153             : 
     154             : bool
     155           0 : CacheQueryOptions::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
     156             : {
     157           0 :   CacheQueryOptionsAtoms* atomsCache = GetAtomCache<CacheQueryOptionsAtoms>(cx);
     158           0 :   if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
     159           0 :     return false;
     160             :   }
     161             : 
     162           0 :   JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
     163           0 :   if (!obj) {
     164           0 :     return false;
     165             :   }
     166           0 :   rval.set(JS::ObjectValue(*obj));
     167             : 
     168           0 :   if (mCacheName.WasPassed()) {
     169             :     do {
     170             :       // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     171           0 :       JS::Rooted<JS::Value> temp(cx);
     172           0 :       nsString const & currentValue = mCacheName.InternalValue();
     173           0 :       if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
     174           0 :         return false;
     175             :       }
     176           0 :       if (!JS_DefinePropertyById(cx, obj, atomsCache->cacheName_id, temp, JSPROP_ENUMERATE)) {
     177           0 :         return false;
     178             :       }
     179           0 :       break;
     180             :     } while(0);
     181             :   }
     182             : 
     183             :   do {
     184             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     185           0 :     JS::Rooted<JS::Value> temp(cx);
     186           0 :     bool const & currentValue = mIgnoreMethod;
     187           0 :     temp.setBoolean(currentValue);
     188           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->ignoreMethod_id, temp, JSPROP_ENUMERATE)) {
     189           0 :       return false;
     190             :     }
     191           0 :     break;
     192             :   } while(0);
     193             : 
     194             :   do {
     195             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     196           0 :     JS::Rooted<JS::Value> temp(cx);
     197           0 :     bool const & currentValue = mIgnoreSearch;
     198           0 :     temp.setBoolean(currentValue);
     199           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->ignoreSearch_id, temp, JSPROP_ENUMERATE)) {
     200           0 :       return false;
     201             :     }
     202           0 :     break;
     203             :   } while(0);
     204             : 
     205             :   do {
     206             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     207           0 :     JS::Rooted<JS::Value> temp(cx);
     208           0 :     bool const & currentValue = mIgnoreVary;
     209           0 :     temp.setBoolean(currentValue);
     210           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->ignoreVary_id, temp, JSPROP_ENUMERATE)) {
     211           0 :       return false;
     212             :     }
     213           0 :     break;
     214             :   } while(0);
     215             : 
     216           0 :   return true;
     217             : }
     218             : 
     219             : bool
     220           0 : CacheQueryOptions::ToJSON(nsAString& aJSON) const
     221             : {
     222           0 :   AutoJSAPI jsapi;
     223           0 :   jsapi.Init();
     224           0 :   JSContext *cx = jsapi.cx();
     225             :   // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
     226             :   // because we'll only be creating objects, in ways that have no
     227             :   // side-effects, followed by a call to JS::ToJSONMaybeSafely,
     228             :   // which likewise guarantees no side-effects for the sorts of
     229             :   // things we will pass it.
     230           0 :   JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
     231           0 :   JS::Rooted<JS::Value> val(cx);
     232           0 :   if (!ToObjectInternal(cx, &val)) {
     233           0 :     return false;
     234             :   }
     235           0 :   JS::Rooted<JSObject*> obj(cx, &val.toObject());
     236           0 :   return StringifyToJSON(cx, obj, aJSON);
     237             : }
     238             : 
     239             : void
     240           0 : CacheQueryOptions::TraceDictionary(JSTracer* trc)
     241             : {
     242           0 : }
     243             : 
     244             : CacheQueryOptions&
     245           0 : CacheQueryOptions::operator=(const CacheQueryOptions& aOther)
     246             : {
     247           0 :   mCacheName.Reset();
     248           0 :   if (aOther.mCacheName.WasPassed()) {
     249           0 :     mCacheName.Construct(aOther.mCacheName.Value());
     250             :   }
     251           0 :   mIgnoreMethod = aOther.mIgnoreMethod;
     252           0 :   mIgnoreSearch = aOther.mIgnoreSearch;
     253           0 :   mIgnoreVary = aOther.mIgnoreVary;
     254           0 :   return *this;
     255             : }
     256             : 
     257             : namespace binding_detail {
     258             : } // namespace binding_detail
     259             : 
     260             : 
     261             : 
     262           0 : CacheBatchOperation::CacheBatchOperation()
     263           0 :   : mOptions(FastDictionaryInitializer())
     264             : {
     265             :   // Safe to pass a null context if we pass a null value
     266           0 :   Init(nullptr, JS::NullHandleValue);
     267           0 : }
     268             : 
     269             : 
     270             : 
     271             : bool
     272           0 : CacheBatchOperation::InitIds(JSContext* cx, CacheBatchOperationAtoms* atomsCache)
     273             : {
     274           0 :   MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
     275             : 
     276             :   // Initialize these in reverse order so that any failure leaves the first one
     277             :   // uninitialized.
     278           0 :   if (!atomsCache->type_id.init(cx, "type") ||
     279           0 :       !atomsCache->response_id.init(cx, "response") ||
     280           0 :       !atomsCache->request_id.init(cx, "request") ||
     281           0 :       !atomsCache->options_id.init(cx, "options")) {
     282           0 :     return false;
     283             :   }
     284           0 :   return true;
     285             : }
     286             : 
     287             : bool
     288           0 : CacheBatchOperation::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
     289             : {
     290             :   // Passing a null JSContext is OK only if we're initing from null,
     291             :   // Since in that case we will not have to do any property gets
     292             :   // Also evaluate isNullOrUndefined in order to avoid false-positive
     293             :   // checkers by static analysis tools
     294           0 :   MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
     295           0 :   CacheBatchOperationAtoms* atomsCache = nullptr;
     296           0 :   if (cx) {
     297           0 :     atomsCache = GetAtomCache<CacheBatchOperationAtoms>(cx);
     298           0 :     if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
     299           0 :       return false;
     300             :     }
     301             :   }
     302             : 
     303           0 :   if (!IsConvertibleToDictionary(val)) {
     304           0 :     return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
     305             :   }
     306             : 
     307           0 :   bool isNull = val.isNullOrUndefined();
     308             :   // We only need these if !isNull, in which case we have |cx|.
     309           0 :   Maybe<JS::Rooted<JSObject *> > object;
     310           0 :   Maybe<JS::Rooted<JS::Value> > temp;
     311           0 :   if (!isNull) {
     312           0 :     MOZ_ASSERT(cx);
     313           0 :     object.emplace(cx, &val.toObject());
     314           0 :     temp.emplace(cx);
     315             :   }
     316           0 :   if (!isNull) {
     317           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->options_id, temp.ptr())) {
     318           0 :       return false;
     319             :     }
     320             :   }
     321           0 :   if (!mOptions.Init(cx, (!isNull && !temp->isUndefined()) ? temp.ref() : JS::NullHandleValue,  "'options' member of CacheBatchOperation", passedToJSImpl)) {
     322           0 :     return false;
     323             :   }
     324           0 :   mIsAnyMemberPresent = true;
     325             : 
     326           0 :   if (!isNull) {
     327           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->request_id, temp.ptr())) {
     328           0 :       return false;
     329             :     }
     330             :   }
     331           0 :   if (!isNull && !temp->isUndefined()) {
     332           0 :     mRequest.Construct();
     333           0 :     if (temp.ref().isObject()) {
     334             :       static_assert(IsRefcounted<mozilla::dom::Request>::value, "We can only store refcounted classes.");{
     335           0 :         nsresult rv = UnwrapObject<prototypes::id::Request, mozilla::dom::Request>(temp.ptr(), (mRequest.Value()));
     336           0 :         if (NS_FAILED(rv)) {
     337           0 :           ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "'request' member of CacheBatchOperation", "Request");
     338           0 :           return false;
     339             :         }
     340             :       }
     341             :     } else {
     342           0 :       ThrowErrorMessage(cx, MSG_NOT_OBJECT, "'request' member of CacheBatchOperation");
     343           0 :       return false;
     344             :     }
     345           0 :     mIsAnyMemberPresent = true;
     346             :   }
     347             : 
     348           0 :   if (!isNull) {
     349           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->response_id, temp.ptr())) {
     350           0 :       return false;
     351             :     }
     352             :   }
     353           0 :   if (!isNull && !temp->isUndefined()) {
     354           0 :     mResponse.Construct();
     355           0 :     if (temp.ref().isObject()) {
     356             :       static_assert(IsRefcounted<mozilla::dom::Response>::value, "We can only store refcounted classes.");{
     357           0 :         nsresult rv = UnwrapObject<prototypes::id::Response, mozilla::dom::Response>(temp.ptr(), (mResponse.Value()));
     358           0 :         if (NS_FAILED(rv)) {
     359           0 :           ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "'response' member of CacheBatchOperation", "Response");
     360           0 :           return false;
     361             :         }
     362             :       }
     363             :     } else {
     364           0 :       ThrowErrorMessage(cx, MSG_NOT_OBJECT, "'response' member of CacheBatchOperation");
     365           0 :       return false;
     366             :     }
     367           0 :     mIsAnyMemberPresent = true;
     368             :   }
     369             : 
     370           0 :   if (!isNull) {
     371           0 :     if (!JS_GetPropertyById(cx, *object, atomsCache->type_id, temp.ptr())) {
     372           0 :       return false;
     373             :     }
     374             :   }
     375           0 :   if (!isNull && !temp->isUndefined()) {
     376           0 :     mType.Construct();
     377           0 :     if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, (mType.Value()))) {
     378           0 :       return false;
     379             :     }
     380           0 :     mIsAnyMemberPresent = true;
     381             :   }
     382           0 :   return true;
     383             : }
     384             : 
     385             : bool
     386           0 : CacheBatchOperation::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
     387             : {
     388           0 :   CacheBatchOperationAtoms* atomsCache = GetAtomCache<CacheBatchOperationAtoms>(cx);
     389           0 :   if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
     390           0 :     return false;
     391             :   }
     392             : 
     393           0 :   JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
     394           0 :   if (!obj) {
     395           0 :     return false;
     396             :   }
     397           0 :   rval.set(JS::ObjectValue(*obj));
     398             : 
     399             :   do {
     400             :     // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     401           0 :     JS::Rooted<JS::Value> temp(cx);
     402           0 :     CacheQueryOptions const & currentValue = mOptions;
     403           0 :     if (!currentValue.ToObjectInternal(cx, &temp)) {
     404           0 :       return false;
     405             :     }
     406           0 :     if (!JS_DefinePropertyById(cx, obj, atomsCache->options_id, temp, JSPROP_ENUMERATE)) {
     407           0 :       return false;
     408             :     }
     409           0 :     break;
     410             :   } while(0);
     411             : 
     412           0 :   if (mRequest.WasPassed()) {
     413             :     do {
     414             :       // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     415           0 :       JS::Rooted<JS::Value> temp(cx);
     416           0 :       OwningNonNull<mozilla::dom::Request> const & currentValue = mRequest.InternalValue();
     417           0 :       if (!GetOrCreateDOMReflector(cx, currentValue, &temp)) {
     418           0 :         MOZ_ASSERT(true || JS_IsExceptionPending(cx));
     419           0 :         return false;
     420             :       }
     421           0 :       if (!JS_DefinePropertyById(cx, obj, atomsCache->request_id, temp, JSPROP_ENUMERATE)) {
     422           0 :         return false;
     423             :       }
     424           0 :       break;
     425             :     } while(0);
     426             :   }
     427             : 
     428           0 :   if (mResponse.WasPassed()) {
     429             :     do {
     430             :       // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     431           0 :       JS::Rooted<JS::Value> temp(cx);
     432           0 :       OwningNonNull<mozilla::dom::Response> const & currentValue = mResponse.InternalValue();
     433           0 :       if (!GetOrCreateDOMReflector(cx, currentValue, &temp)) {
     434           0 :         MOZ_ASSERT(true || JS_IsExceptionPending(cx));
     435           0 :         return false;
     436             :       }
     437           0 :       if (!JS_DefinePropertyById(cx, obj, atomsCache->response_id, temp, JSPROP_ENUMERATE)) {
     438           0 :         return false;
     439             :       }
     440           0 :       break;
     441             :     } while(0);
     442             :   }
     443             : 
     444           0 :   if (mType.WasPassed()) {
     445             :     do {
     446             :       // block for our 'break' successCode and scope for 'temp' and 'currentValue'
     447           0 :       JS::Rooted<JS::Value> temp(cx);
     448           0 :       nsString const & currentValue = mType.InternalValue();
     449           0 :       if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
     450           0 :         return false;
     451             :       }
     452           0 :       if (!JS_DefinePropertyById(cx, obj, atomsCache->type_id, temp, JSPROP_ENUMERATE)) {
     453           0 :         return false;
     454             :       }
     455           0 :       break;
     456             :     } while(0);
     457             :   }
     458             : 
     459           0 :   return true;
     460             : }
     461             : 
     462             : void
     463           0 : CacheBatchOperation::TraceDictionary(JSTracer* trc)
     464             : {
     465           0 : }
     466             : 
     467             : CacheBatchOperation&
     468           0 : CacheBatchOperation::operator=(const CacheBatchOperation& aOther)
     469             : {
     470           0 :   mOptions = aOther.mOptions;
     471           0 :   mRequest.Reset();
     472           0 :   if (aOther.mRequest.WasPassed()) {
     473           0 :     mRequest.Construct(aOther.mRequest.Value());
     474             :   }
     475           0 :   mResponse.Reset();
     476           0 :   if (aOther.mResponse.WasPassed()) {
     477           0 :     mResponse.Construct(aOther.mResponse.Value());
     478             :   }
     479           0 :   mType.Reset();
     480           0 :   if (aOther.mType.WasPassed()) {
     481           0 :     mType.Construct(aOther.mType.Value());
     482             :   }
     483           0 :   return *this;
     484             : }
     485             : 
     486             : namespace binding_detail {
     487             : } // namespace binding_detail
     488             : 
     489             : 
     490             : namespace CacheBinding {
     491             : 
     492             : static bool
     493           0 : match(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     494             : {
     495           0 :   if (MOZ_UNLIKELY(args.length() < 1)) {
     496           0 :     return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "Cache.match");
     497             :   }
     498           0 :   RequestOrUSVString arg0;
     499           0 :   RequestOrUSVStringArgument arg0_holder(arg0);
     500             :   {
     501           0 :     bool done = false, failed = false, tryNext;
     502           0 :     if (args[0].isObject()) {
     503           0 :       done = (failed = !arg0_holder.TrySetToRequest(cx, args[0], tryNext, false)) || !tryNext;
     504             : 
     505             :     }
     506           0 :     if (!done) {
     507             :       do {
     508           0 :         done = (failed = !arg0_holder.TrySetToUSVString(cx, args[0], tryNext)) || !tryNext;
     509           0 :         break;
     510             :       } while (0);
     511             :     }
     512           0 :     if (failed) {
     513           0 :       return false;
     514             :     }
     515           0 :     if (!done) {
     516           0 :       ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 1 of Cache.match", "Request");
     517           0 :       return false;
     518             :     }
     519             :   }
     520           0 :   binding_detail::FastCacheQueryOptions arg1;
     521           0 :   if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of Cache.match", false)) {
     522           0 :     return false;
     523             :   }
     524           0 :   binding_detail::FastErrorResult rv;
     525           0 :   auto result(StrongOrRawPtr<Promise>(self->Match(Constify(arg0), Constify(arg1), rv)));
     526           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     527           0 :     return false;
     528             :   }
     529           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     530             :   static_assert(!IsPointer<decltype(result)>::value,
     531             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
     532           0 :   if (!ToJSValue(cx, result, args.rval())) {
     533           0 :     return false;
     534             :   }
     535           0 :   return true;
     536             : }
     537             : 
     538             : static bool
     539           0 : match_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     540             : {
     541             :   // Make sure to save the callee before someone maybe messes
     542             :   // with rval().
     543           0 :   JS::Rooted<JSObject*> callee(cx, &args.callee());
     544           0 :   bool ok = match(cx, obj, self, args);
     545           0 :   if (ok) {
     546           0 :     return true;
     547             :   }
     548           0 :   return ConvertExceptionToPromise(cx, xpc::XrayAwareCalleeGlobal(callee),
     549           0 :                                    args.rval());
     550             : }
     551             : 
     552             : static const JSJitInfo match_methodinfo = {
     553             :   { (JSJitGetterOp)match_promiseWrapper },
     554             :   { prototypes::id::Cache },
     555             :   { PrototypeTraits<prototypes::id::Cache>::Depth },
     556             :   JSJitInfo::Method,
     557             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     558             :   JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
     559             :   false,  /* isInfallible. False in setters. */
     560             :   false,  /* isMovable.  Not relevant for setters. */
     561             :   false, /* isEliminatable.  Not relevant for setters. */
     562             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     563             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     564             :   false,  /* isTypedMethod.  Only relevant for methods. */
     565             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     566             : };
     567             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     568             : static_assert(0 < 1, "There is no slot for us");
     569             : 
     570             : static bool
     571           0 : matchAll(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     572             : {
     573           0 :   Optional<RequestOrUSVString> arg0;
     574           0 :   Maybe<RequestOrUSVStringArgument> arg0_holder;
     575           0 :   if (args.hasDefined(0)) {
     576           0 :     arg0.Construct();
     577           0 :     arg0_holder.emplace(arg0.Value());
     578             :     {
     579           0 :       bool done = false, failed = false, tryNext;
     580           0 :       if (args[0].isObject()) {
     581           0 :         done = (failed = !arg0_holder.ref().TrySetToRequest(cx, args[0], tryNext, false)) || !tryNext;
     582             : 
     583             :       }
     584           0 :       if (!done) {
     585             :         do {
     586           0 :           done = (failed = !arg0_holder.ref().TrySetToUSVString(cx, args[0], tryNext)) || !tryNext;
     587           0 :           break;
     588             :         } while (0);
     589             :       }
     590           0 :       if (failed) {
     591           0 :         return false;
     592             :       }
     593           0 :       if (!done) {
     594           0 :         ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 1 of Cache.matchAll", "Request");
     595           0 :         return false;
     596             :       }
     597             :     }
     598             :   }
     599           0 :   binding_detail::FastCacheQueryOptions arg1;
     600           0 :   if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of Cache.matchAll", false)) {
     601           0 :     return false;
     602             :   }
     603           0 :   binding_detail::FastErrorResult rv;
     604           0 :   auto result(StrongOrRawPtr<Promise>(self->MatchAll(Constify(arg0), Constify(arg1), rv)));
     605           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     606           0 :     return false;
     607             :   }
     608           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     609             :   static_assert(!IsPointer<decltype(result)>::value,
     610             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
     611           0 :   if (!ToJSValue(cx, result, args.rval())) {
     612           0 :     return false;
     613             :   }
     614           0 :   return true;
     615             : }
     616             : 
     617             : static bool
     618           0 : matchAll_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     619             : {
     620             :   // Make sure to save the callee before someone maybe messes
     621             :   // with rval().
     622           0 :   JS::Rooted<JSObject*> callee(cx, &args.callee());
     623           0 :   bool ok = matchAll(cx, obj, self, args);
     624           0 :   if (ok) {
     625           0 :     return true;
     626             :   }
     627           0 :   return ConvertExceptionToPromise(cx, xpc::XrayAwareCalleeGlobal(callee),
     628           0 :                                    args.rval());
     629             : }
     630             : 
     631             : static const JSJitInfo matchAll_methodinfo = {
     632             :   { (JSJitGetterOp)matchAll_promiseWrapper },
     633             :   { prototypes::id::Cache },
     634             :   { PrototypeTraits<prototypes::id::Cache>::Depth },
     635             :   JSJitInfo::Method,
     636             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     637             :   JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
     638             :   false,  /* isInfallible. False in setters. */
     639             :   false,  /* isMovable.  Not relevant for setters. */
     640             :   false, /* isEliminatable.  Not relevant for setters. */
     641             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     642             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     643             :   false,  /* isTypedMethod.  Only relevant for methods. */
     644             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     645             : };
     646             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     647             : static_assert(0 < 1, "There is no slot for us");
     648             : 
     649             : static bool
     650           0 : add(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     651             : {
     652           0 :   if (MOZ_UNLIKELY(args.length() < 1)) {
     653           0 :     return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "Cache.add");
     654             :   }
     655           0 :   RequestOrUSVString arg0;
     656           0 :   RequestOrUSVStringArgument arg0_holder(arg0);
     657             :   {
     658           0 :     bool done = false, failed = false, tryNext;
     659           0 :     if (args[0].isObject()) {
     660           0 :       done = (failed = !arg0_holder.TrySetToRequest(cx, args[0], tryNext, false)) || !tryNext;
     661             : 
     662             :     }
     663           0 :     if (!done) {
     664             :       do {
     665           0 :         done = (failed = !arg0_holder.TrySetToUSVString(cx, args[0], tryNext)) || !tryNext;
     666           0 :         break;
     667             :       } while (0);
     668             :     }
     669           0 :     if (failed) {
     670           0 :       return false;
     671             :     }
     672           0 :     if (!done) {
     673           0 :       ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 1 of Cache.add", "Request");
     674           0 :       return false;
     675             :     }
     676             :   }
     677           0 :   binding_detail::FastErrorResult rv;
     678           0 :   auto result(StrongOrRawPtr<Promise>(self->Add(cx, Constify(arg0), nsContentUtils::ThreadsafeIsSystemCaller(cx) ? CallerType::System : CallerType::NonSystem, rv)));
     679           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     680           0 :     return false;
     681             :   }
     682           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     683             :   static_assert(!IsPointer<decltype(result)>::value,
     684             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
     685           0 :   if (!ToJSValue(cx, result, args.rval())) {
     686           0 :     return false;
     687             :   }
     688           0 :   return true;
     689             : }
     690             : 
     691             : static bool
     692           0 : add_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     693             : {
     694             :   // Make sure to save the callee before someone maybe messes
     695             :   // with rval().
     696           0 :   JS::Rooted<JSObject*> callee(cx, &args.callee());
     697           0 :   bool ok = add(cx, obj, self, args);
     698           0 :   if (ok) {
     699           0 :     return true;
     700             :   }
     701           0 :   return ConvertExceptionToPromise(cx, xpc::XrayAwareCalleeGlobal(callee),
     702           0 :                                    args.rval());
     703             : }
     704             : 
     705             : static const JSJitInfo add_methodinfo = {
     706             :   { (JSJitGetterOp)add_promiseWrapper },
     707             :   { prototypes::id::Cache },
     708             :   { PrototypeTraits<prototypes::id::Cache>::Depth },
     709             :   JSJitInfo::Method,
     710             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     711             :   JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
     712             :   false,  /* isInfallible. False in setters. */
     713             :   false,  /* isMovable.  Not relevant for setters. */
     714             :   false, /* isEliminatable.  Not relevant for setters. */
     715             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     716             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     717             :   false,  /* isTypedMethod.  Only relevant for methods. */
     718             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     719             : };
     720             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     721             : static_assert(0 < 1, "There is no slot for us");
     722             : 
     723             : static bool
     724           0 : addAll(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     725             : {
     726           0 :   if (MOZ_UNLIKELY(args.length() < 1)) {
     727           0 :     return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "Cache.addAll");
     728             :   }
     729           0 :   binding_detail::AutoSequence<OwningRequestOrUSVString> arg0;
     730           0 :   if (args[0].isObject()) {
     731           0 :     JS::ForOfIterator iter(cx);
     732           0 :     if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
     733           0 :       return false;
     734             :     }
     735           0 :     if (!iter.valueIsIterable()) {
     736           0 :       ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of Cache.addAll");
     737           0 :       return false;
     738             :     }
     739           0 :     binding_detail::AutoSequence<OwningRequestOrUSVString> &arr = arg0;
     740           0 :     JS::Rooted<JS::Value> temp(cx);
     741             :     while (true) {
     742             :       bool done;
     743           0 :       if (!iter.next(&temp, &done)) {
     744           0 :         return false;
     745             :       }
     746           0 :       if (done) {
     747           0 :         break;
     748             :       }
     749           0 :       OwningRequestOrUSVString* slotPtr = arr.AppendElement(mozilla::fallible);
     750           0 :       if (!slotPtr) {
     751           0 :         JS_ReportOutOfMemory(cx);
     752           0 :         return false;
     753             :       }
     754           0 :       OwningRequestOrUSVString& slot = *slotPtr;
     755             :       {
     756           0 :         bool done = false, failed = false, tryNext;
     757           0 :         if (temp.isObject()) {
     758           0 :           done = (failed = !slot.TrySetToRequest(cx, temp, tryNext, false)) || !tryNext;
     759             : 
     760             :         }
     761           0 :         if (!done) {
     762             :           do {
     763           0 :             done = (failed = !slot.TrySetToUSVString(cx, temp, tryNext)) || !tryNext;
     764           0 :             break;
     765             :           } while (0);
     766             :         }
     767           0 :         if (failed) {
     768           0 :           return false;
     769             :         }
     770           0 :         if (!done) {
     771           0 :           ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Element of argument 1 of Cache.addAll", "Request");
     772           0 :           return false;
     773             :         }
     774             :       }
     775           0 :     }
     776             :   } else {
     777           0 :     ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of Cache.addAll");
     778           0 :     return false;
     779             :   }
     780           0 :   binding_detail::FastErrorResult rv;
     781           0 :   auto result(StrongOrRawPtr<Promise>(self->AddAll(cx, Constify(arg0), nsContentUtils::ThreadsafeIsSystemCaller(cx) ? CallerType::System : CallerType::NonSystem, rv)));
     782           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     783           0 :     return false;
     784             :   }
     785           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     786             :   static_assert(!IsPointer<decltype(result)>::value,
     787             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
     788           0 :   if (!ToJSValue(cx, result, args.rval())) {
     789           0 :     return false;
     790             :   }
     791           0 :   return true;
     792             : }
     793             : 
     794             : static bool
     795           0 : addAll_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     796             : {
     797             :   // Make sure to save the callee before someone maybe messes
     798             :   // with rval().
     799           0 :   JS::Rooted<JSObject*> callee(cx, &args.callee());
     800           0 :   bool ok = addAll(cx, obj, self, args);
     801           0 :   if (ok) {
     802           0 :     return true;
     803             :   }
     804           0 :   return ConvertExceptionToPromise(cx, xpc::XrayAwareCalleeGlobal(callee),
     805           0 :                                    args.rval());
     806             : }
     807             : 
     808             : static const JSJitInfo addAll_methodinfo = {
     809             :   { (JSJitGetterOp)addAll_promiseWrapper },
     810             :   { prototypes::id::Cache },
     811             :   { PrototypeTraits<prototypes::id::Cache>::Depth },
     812             :   JSJitInfo::Method,
     813             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     814             :   JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
     815             :   false,  /* isInfallible. False in setters. */
     816             :   false,  /* isMovable.  Not relevant for setters. */
     817             :   false, /* isEliminatable.  Not relevant for setters. */
     818             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     819             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     820             :   false,  /* isTypedMethod.  Only relevant for methods. */
     821             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     822             : };
     823             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     824             : static_assert(0 < 1, "There is no slot for us");
     825             : 
     826             : static bool
     827           0 : put(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     828             : {
     829           0 :   if (MOZ_UNLIKELY(args.length() < 2)) {
     830           0 :     return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "Cache.put");
     831             :   }
     832           0 :   RequestOrUSVString arg0;
     833           0 :   RequestOrUSVStringArgument arg0_holder(arg0);
     834             :   {
     835           0 :     bool done = false, failed = false, tryNext;
     836           0 :     if (args[0].isObject()) {
     837           0 :       done = (failed = !arg0_holder.TrySetToRequest(cx, args[0], tryNext, false)) || !tryNext;
     838             : 
     839             :     }
     840           0 :     if (!done) {
     841             :       do {
     842           0 :         done = (failed = !arg0_holder.TrySetToUSVString(cx, args[0], tryNext)) || !tryNext;
     843           0 :         break;
     844             :       } while (0);
     845             :     }
     846           0 :     if (failed) {
     847           0 :       return false;
     848             :     }
     849           0 :     if (!done) {
     850           0 :       ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 1 of Cache.put", "Request");
     851           0 :       return false;
     852             :     }
     853             :   }
     854           0 :   NonNull<mozilla::dom::Response> arg1;
     855           0 :   if (args[1].isObject()) {
     856             :     {
     857           0 :       nsresult rv = UnwrapObject<prototypes::id::Response, mozilla::dom::Response>(args[1], arg1);
     858           0 :       if (NS_FAILED(rv)) {
     859           0 :         ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 2 of Cache.put", "Response");
     860           0 :         return false;
     861             :       }
     862             :     }
     863             :   } else {
     864           0 :     ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 2 of Cache.put");
     865           0 :     return false;
     866             :   }
     867           0 :   binding_detail::FastErrorResult rv;
     868           0 :   auto result(StrongOrRawPtr<Promise>(self->Put(Constify(arg0), NonNullHelper(arg1), rv)));
     869           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     870           0 :     return false;
     871             :   }
     872           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     873             :   static_assert(!IsPointer<decltype(result)>::value,
     874             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
     875           0 :   if (!ToJSValue(cx, result, args.rval())) {
     876           0 :     return false;
     877             :   }
     878           0 :   return true;
     879             : }
     880             : 
     881             : static bool
     882           0 : put_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     883             : {
     884             :   // Make sure to save the callee before someone maybe messes
     885             :   // with rval().
     886           0 :   JS::Rooted<JSObject*> callee(cx, &args.callee());
     887           0 :   bool ok = put(cx, obj, self, args);
     888           0 :   if (ok) {
     889           0 :     return true;
     890             :   }
     891           0 :   return ConvertExceptionToPromise(cx, xpc::XrayAwareCalleeGlobal(callee),
     892           0 :                                    args.rval());
     893             : }
     894             : 
     895             : static const JSJitInfo put_methodinfo = {
     896             :   { (JSJitGetterOp)put_promiseWrapper },
     897             :   { prototypes::id::Cache },
     898             :   { PrototypeTraits<prototypes::id::Cache>::Depth },
     899             :   JSJitInfo::Method,
     900             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     901             :   JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
     902             :   false,  /* isInfallible. False in setters. */
     903             :   false,  /* isMovable.  Not relevant for setters. */
     904             :   false, /* isEliminatable.  Not relevant for setters. */
     905             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     906             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     907             :   false,  /* isTypedMethod.  Only relevant for methods. */
     908             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     909             : };
     910             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     911             : static_assert(0 < 1, "There is no slot for us");
     912             : 
     913             : static bool
     914           0 : _delete_(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     915             : {
     916           0 :   if (MOZ_UNLIKELY(args.length() < 1)) {
     917           0 :     return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "Cache.delete");
     918             :   }
     919           0 :   RequestOrUSVString arg0;
     920           0 :   RequestOrUSVStringArgument arg0_holder(arg0);
     921             :   {
     922           0 :     bool done = false, failed = false, tryNext;
     923           0 :     if (args[0].isObject()) {
     924           0 :       done = (failed = !arg0_holder.TrySetToRequest(cx, args[0], tryNext, false)) || !tryNext;
     925             : 
     926             :     }
     927           0 :     if (!done) {
     928             :       do {
     929           0 :         done = (failed = !arg0_holder.TrySetToUSVString(cx, args[0], tryNext)) || !tryNext;
     930           0 :         break;
     931             :       } while (0);
     932             :     }
     933           0 :     if (failed) {
     934           0 :       return false;
     935             :     }
     936           0 :     if (!done) {
     937           0 :       ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 1 of Cache.delete", "Request");
     938           0 :       return false;
     939             :     }
     940             :   }
     941           0 :   binding_detail::FastCacheQueryOptions arg1;
     942           0 :   if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of Cache.delete", false)) {
     943           0 :     return false;
     944             :   }
     945           0 :   binding_detail::FastErrorResult rv;
     946           0 :   auto result(StrongOrRawPtr<Promise>(self->Delete(Constify(arg0), Constify(arg1), rv)));
     947           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
     948           0 :     return false;
     949             :   }
     950           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
     951             :   static_assert(!IsPointer<decltype(result)>::value,
     952             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
     953           0 :   if (!ToJSValue(cx, result, args.rval())) {
     954           0 :     return false;
     955             :   }
     956           0 :   return true;
     957             : }
     958             : 
     959             : static bool
     960           0 : _delete__promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     961             : {
     962             :   // Make sure to save the callee before someone maybe messes
     963             :   // with rval().
     964           0 :   JS::Rooted<JSObject*> callee(cx, &args.callee());
     965           0 :   bool ok = _delete_(cx, obj, self, args);
     966           0 :   if (ok) {
     967           0 :     return true;
     968             :   }
     969           0 :   return ConvertExceptionToPromise(cx, xpc::XrayAwareCalleeGlobal(callee),
     970           0 :                                    args.rval());
     971             : }
     972             : 
     973             : static const JSJitInfo delete_methodinfo = {
     974             :   { (JSJitGetterOp)_delete__promiseWrapper },
     975             :   { prototypes::id::Cache },
     976             :   { PrototypeTraits<prototypes::id::Cache>::Depth },
     977             :   JSJitInfo::Method,
     978             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
     979             :   JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
     980             :   false,  /* isInfallible. False in setters. */
     981             :   false,  /* isMovable.  Not relevant for setters. */
     982             :   false, /* isEliminatable.  Not relevant for setters. */
     983             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
     984             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
     985             :   false,  /* isTypedMethod.  Only relevant for methods. */
     986             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
     987             : };
     988             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
     989             : static_assert(0 < 1, "There is no slot for us");
     990             : 
     991             : static bool
     992           0 : keys(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
     993             : {
     994           0 :   Optional<RequestOrUSVString> arg0;
     995           0 :   Maybe<RequestOrUSVStringArgument> arg0_holder;
     996           0 :   if (args.hasDefined(0)) {
     997           0 :     arg0.Construct();
     998           0 :     arg0_holder.emplace(arg0.Value());
     999             :     {
    1000           0 :       bool done = false, failed = false, tryNext;
    1001           0 :       if (args[0].isObject()) {
    1002           0 :         done = (failed = !arg0_holder.ref().TrySetToRequest(cx, args[0], tryNext, false)) || !tryNext;
    1003             : 
    1004             :       }
    1005           0 :       if (!done) {
    1006             :         do {
    1007           0 :           done = (failed = !arg0_holder.ref().TrySetToUSVString(cx, args[0], tryNext)) || !tryNext;
    1008           0 :           break;
    1009             :         } while (0);
    1010             :       }
    1011           0 :       if (failed) {
    1012           0 :         return false;
    1013             :       }
    1014           0 :       if (!done) {
    1015           0 :         ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 1 of Cache.keys", "Request");
    1016           0 :         return false;
    1017             :       }
    1018             :     }
    1019             :   }
    1020           0 :   binding_detail::FastCacheQueryOptions arg1;
    1021           0 :   if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of Cache.keys", false)) {
    1022           0 :     return false;
    1023             :   }
    1024           0 :   binding_detail::FastErrorResult rv;
    1025           0 :   auto result(StrongOrRawPtr<Promise>(self->Keys(Constify(arg0), Constify(arg1), rv)));
    1026           0 :   if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    1027           0 :     return false;
    1028             :   }
    1029           0 :   MOZ_ASSERT(!JS_IsExceptionPending(cx));
    1030             :   static_assert(!IsPointer<decltype(result)>::value,
    1031             :                 "NewObject implies that we need to keep the object alive with a strong reference.");
    1032           0 :   if (!ToJSValue(cx, result, args.rval())) {
    1033           0 :     return false;
    1034             :   }
    1035           0 :   return true;
    1036             : }
    1037             : 
    1038             : static bool
    1039           0 : keys_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::cache::Cache* self, const JSJitMethodCallArgs& args)
    1040             : {
    1041             :   // Make sure to save the callee before someone maybe messes
    1042             :   // with rval().
    1043           0 :   JS::Rooted<JSObject*> callee(cx, &args.callee());
    1044           0 :   bool ok = keys(cx, obj, self, args);
    1045           0 :   if (ok) {
    1046           0 :     return true;
    1047             :   }
    1048           0 :   return ConvertExceptionToPromise(cx, xpc::XrayAwareCalleeGlobal(callee),
    1049           0 :                                    args.rval());
    1050             : }
    1051             : 
    1052             : static const JSJitInfo keys_methodinfo = {
    1053             :   { (JSJitGetterOp)keys_promiseWrapper },
    1054             :   { prototypes::id::Cache },
    1055             :   { PrototypeTraits<prototypes::id::Cache>::Depth },
    1056             :   JSJitInfo::Method,
    1057             :   JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
    1058             :   JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
    1059             :   false,  /* isInfallible. False in setters. */
    1060             :   false,  /* isMovable.  Not relevant for setters. */
    1061             :   false, /* isEliminatable.  Not relevant for setters. */
    1062             :   false, /* isAlwaysInSlot.  Only relevant for getters. */
    1063             :   false, /* isLazilyCachedInSlot.  Only relevant for getters. */
    1064             :   false,  /* isTypedMethod.  Only relevant for methods. */
    1065             :   0   /* Reserved slot index, if we're stored in a slot, else 0. */
    1066             : };
    1067             : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
    1068             : static_assert(0 < 1, "There is no slot for us");
    1069             : 
    1070             : static bool
    1071           0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
    1072             : {
    1073           0 :   mozilla::dom::cache::Cache* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::cache::Cache>(obj);
    1074             :   // We don't want to preserve if we don't have a wrapper, and we
    1075             :   // obviously can't preserve if we're not initialized.
    1076           0 :   if (self && self->GetWrapperPreserveColor()) {
    1077           0 :     PreserveWrapper(self);
    1078             :   }
    1079           0 :   return true;
    1080             : }
    1081             : 
    1082             : static void
    1083           0 : _finalize(js::FreeOp* fop, JSObject* obj)
    1084             : {
    1085           0 :   mozilla::dom::cache::Cache* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::cache::Cache>(obj);
    1086           0 :   if (self) {
    1087           0 :     ClearWrapper(self, self, obj);
    1088           0 :     AddForDeferredFinalization<mozilla::dom::cache::Cache>(self);
    1089             :   }
    1090           0 : }
    1091             : 
    1092             : static void
    1093           0 : _objectMoved(JSObject* obj, const JSObject* old)
    1094             : {
    1095           0 :   mozilla::dom::cache::Cache* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::cache::Cache>(obj);
    1096           0 :   if (self) {
    1097           0 :     UpdateWrapper(self, self, obj, old);
    1098             :   }
    1099           0 : }
    1100             : 
    1101             : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
    1102             : #if defined(__clang__)
    1103             : #pragma clang diagnostic push
    1104             : #pragma clang diagnostic ignored "-Wmissing-braces"
    1105             : #endif
    1106             : static const JSFunctionSpec sMethods_specs[] = {
    1107             :   JS_FNSPEC("match", GenericPromiseReturningBindingMethod, reinterpret_cast<const JSJitInfo*>(&match_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
    1108             :   JS_FNSPEC("matchAll", GenericPromiseReturningBindingMethod, reinterpret_cast<const JSJitInfo*>(&matchAll_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
    1109             :   JS_FNSPEC("add", GenericPromiseReturningBindingMethod, reinterpret_cast<const JSJitInfo*>(&add_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
    1110             :   JS_FNSPEC("addAll", GenericPromiseReturningBindingMethod, reinterpret_cast<const JSJitInfo*>(&addAll_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
    1111             :   JS_FNSPEC("put", GenericPromiseReturningBindingMethod, reinterpret_cast<const JSJitInfo*>(&put_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
    1112             :   JS_FNSPEC("delete", GenericPromiseReturningBindingMethod, reinterpret_cast<const JSJitInfo*>(&delete_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
    1113             :   JS_FNSPEC("keys", GenericPromiseReturningBindingMethod, reinterpret_cast<const JSJitInfo*>(&keys_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
    1114             :   JS_FS_END
    1115             : };
    1116             : #if defined(__clang__)
    1117             : #pragma clang diagnostic pop
    1118             : #endif
    1119             : 
    1120             : 
    1121             : // Can't be const because the pref-enabled boolean needs to be writable
    1122             : static Prefable<const JSFunctionSpec> sMethods[] = {
    1123             :   { nullptr, &sMethods_specs[0] },
    1124             :   { nullptr, nullptr }
    1125             : };
    1126             : 
    1127             : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    1128             :     "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
    1129             : static_assert(7 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    1130             :     "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
    1131             : 
    1132             : 
    1133             : static uint16_t sNativeProperties_sortedPropertyIndices[7];
    1134             : static PropertyInfo sNativeProperties_propertyInfos[7];
    1135             : 
    1136             : static const NativePropertiesN<1> sNativeProperties = {
    1137             :   false, 0,
    1138             :   false, 0,
    1139             :   true,  0 /* sMethods */,
    1140             :   false, 0,
    1141             :   false, 0,
    1142             :   false, 0,
    1143             :   false, 0,
    1144             :   -1,
    1145             :   7,
    1146             :   sNativeProperties_sortedPropertyIndices,
    1147             :   {
    1148             :     { sMethods, &sNativeProperties_propertyInfos[0] }
    1149             :   }
    1150             : };
    1151             : static_assert(7 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    1152             :     "We have a property info count that is oversized");
    1153             : 
    1154             : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
    1155             :   {
    1156             :     "Function",
    1157             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
    1158             :     &sBoringInterfaceObjectClassClassOps,
    1159             :     JS_NULL_CLASS_SPEC,
    1160             :     JS_NULL_CLASS_EXT,
    1161             :     &sInterfaceObjectClassObjectOps
    1162             :   },
    1163             :   eInterface,
    1164             :   true,
    1165             :   prototypes::id::Cache,
    1166             :   PrototypeTraits<prototypes::id::Cache>::Depth,
    1167             :   sNativePropertyHooks,
    1168             :   "function Cache() {\n    [native code]\n}",
    1169             :   JS::GetRealmFunctionPrototype
    1170             : };
    1171             : 
    1172             : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
    1173             :   {
    1174             :     "CachePrototype",
    1175             :     JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
    1176             :     JS_NULL_CLASS_OPS,
    1177             :     JS_NULL_CLASS_SPEC,
    1178             :     JS_NULL_CLASS_EXT,
    1179             :     JS_NULL_OBJECT_OPS
    1180             :   },
    1181             :   eInterfacePrototype,
    1182             :   false,
    1183             :   prototypes::id::Cache,
    1184             :   PrototypeTraits<prototypes::id::Cache>::Depth,
    1185             :   sNativePropertyHooks,
    1186             :   "[object CachePrototype]",
    1187             :   JS::GetRealmObjectPrototype
    1188             : };
    1189             : 
    1190             : bool
    1191           1 : ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
    1192             : {
    1193           1 :   return mozilla::dom::cache::Cache::PrefEnabled(aCx, aObj);
    1194             : }
    1195             : 
    1196             : JSObject*
    1197           0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
    1198             : {
    1199           0 :   return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
    1200             : }
    1201             : 
    1202             : static const js::ClassOps sClassOps = {
    1203             :   _addProperty, /* addProperty */
    1204             :   nullptr,               /* delProperty */
    1205             :   nullptr,               /* getProperty */
    1206             :   nullptr,               /* setProperty */
    1207             :   nullptr,               /* enumerate */
    1208             :   nullptr, /* newEnumerate */
    1209             :   nullptr, /* resolve */
    1210             :   nullptr, /* mayResolve */
    1211             :   _finalize, /* finalize */
    1212             :   nullptr, /* call */
    1213             :   nullptr,               /* hasInstance */
    1214             :   nullptr,               /* construct */
    1215             :   nullptr, /* trace */
    1216             : };
    1217             : 
    1218             : static const js::ClassExtension sClassExtension = {
    1219             :   nullptr, /* weakmapKeyDelegateOp */
    1220             :   _objectMoved /* objectMovedOp */
    1221             : };
    1222             : 
    1223             : static const DOMJSClass sClass = {
    1224             :   { "Cache",
    1225             :     JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
    1226             :     &sClassOps,
    1227             :     JS_NULL_CLASS_SPEC,
    1228             :     &sClassExtension,
    1229             :     JS_NULL_OBJECT_OPS
    1230             :   },
    1231             :   { prototypes::id::Cache, 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 },
    1232             :   IsBaseOf<nsISupports, mozilla::dom::cache::Cache >::value,
    1233             :   sNativePropertyHooks,
    1234             :   FindAssociatedGlobalForNative<mozilla::dom::cache::Cache>::Get,
    1235             :   GetProtoObjectHandle,
    1236             :   GetCCParticipant<mozilla::dom::cache::Cache>::Get()
    1237             : };
    1238             : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
    1239             :               "Must have the right minimal number of reserved slots.");
    1240             : static_assert(1 >= 1,
    1241             :               "Must have enough reserved slots.");
    1242             : 
    1243             : const JSClass*
    1244           0 : GetJSClass()
    1245             : {
    1246           0 :   return sClass.ToJSClass();
    1247             : }
    1248             : 
    1249             : bool
    1250           0 : Wrap(JSContext* aCx, mozilla::dom::cache::Cache* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
    1251             : {
    1252             :   MOZ_ASSERT(static_cast<mozilla::dom::cache::Cache*>(aObject) ==
    1253             :              reinterpret_cast<mozilla::dom::cache::Cache*>(aObject),
    1254             :              "Multiple inheritance for mozilla::dom::cache::Cache is broken.");
    1255           0 :   MOZ_ASSERT(ToSupportsIsCorrect(aObject));
    1256           0 :   MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
    1257           0 :   MOZ_ASSERT(!aCache->GetWrapper(),
    1258             :              "You should probably not be using Wrap() directly; use "
    1259             :              "GetOrCreateDOMReflector instead");
    1260             : 
    1261           0 :   MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
    1262             :              "nsISupports must be on our primary inheritance chain");
    1263             : 
    1264           0 :   JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
    1265           0 :   if (!global) {
    1266           0 :     return false;
    1267             :   }
    1268           0 :   MOZ_ASSERT(JS_IsGlobalObject(global));
    1269           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(global));
    1270             : 
    1271             :   // That might have ended up wrapping us already, due to the wonders
    1272             :   // of XBL.  Check for that, and bail out as needed.
    1273           0 :   aReflector.set(aCache->GetWrapper());
    1274           0 :   if (aReflector) {
    1275             : #ifdef DEBUG
    1276           0 :     binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
    1277             : #endif // DEBUG
    1278           0 :     return true;
    1279             :   }
    1280             : 
    1281           0 :   JSAutoCompartment ac(aCx, global);
    1282           0 :   JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
    1283           0 :   if (!canonicalProto) {
    1284           0 :     return false;
    1285             :   }
    1286           0 :   JS::Rooted<JSObject*> proto(aCx);
    1287           0 :   if (aGivenProto) {
    1288           0 :     proto = aGivenProto;
    1289             :     // Unfortunately, while aGivenProto was in the compartment of aCx
    1290             :     // coming in, we changed compartments to that of "parent" so may need
    1291             :     // to wrap the proto here.
    1292           0 :     if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
    1293           0 :       if (!JS_WrapObject(aCx, &proto)) {
    1294           0 :         return false;
    1295             :       }
    1296             :     }
    1297             :   } else {
    1298           0 :     proto = canonicalProto;
    1299             :   }
    1300             : 
    1301           0 :   BindingJSObjectCreator<mozilla::dom::cache::Cache> creator(aCx);
    1302           0 :   creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
    1303           0 :   if (!aReflector) {
    1304           0 :     return false;
    1305             :   }
    1306             : 
    1307           0 :   aCache->SetWrapper(aReflector);
    1308           0 :   creator.InitializationSucceeded();
    1309             : 
    1310           0 :   MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
    1311             :              aCache->GetWrapperPreserveColor() == aReflector);
    1312             :   // If proto != canonicalProto, we have to preserve our wrapper;
    1313             :   // otherwise we won't be able to properly recreate it later, since
    1314             :   // we won't know what proto to use.  Note that we don't check
    1315             :   // aGivenProto here, since it's entirely possible (and even
    1316             :   // somewhat common) to have a non-null aGivenProto which is the
    1317             :   // same as canonicalProto.
    1318           0 :   if (proto != canonicalProto) {
    1319           0 :     PreserveWrapper(aObject);
    1320             :   }
    1321             : 
    1322           0 :   return true;
    1323             : }
    1324             : 
    1325             : const NativePropertyHooks sNativePropertyHooks[] = { {
    1326             :   nullptr,
    1327             :   nullptr,
    1328             :   nullptr,
    1329             :   { sNativeProperties.Upcast(), nullptr },
    1330             :   prototypes::id::Cache,
    1331             :   constructors::id::Cache,
    1332             :   nullptr,
    1333             :   &DefaultXrayExpandoObjectClass
    1334             : } };
    1335             : 
    1336             : void
    1337           1 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
    1338             : {
    1339           2 :   JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
    1340           1 :   if (!parentProto) {
    1341           0 :     return;
    1342             :   }
    1343             : 
    1344           2 :   JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
    1345           1 :   if (!constructorProto) {
    1346           0 :     return;
    1347             :   }
    1348             : 
    1349             :   static bool sIdsInited = false;
    1350           1 :   if (!sIdsInited && NS_IsMainThread()) {
    1351           0 :     if (!InitIds(aCx, sNativeProperties.Upcast())) {
    1352           0 :       return;
    1353             :     }
    1354           0 :     sIdsInited = true;
    1355             :   }
    1356             : 
    1357           1 :   JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::Cache);
    1358           1 :   JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::Cache);
    1359           2 :   dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
    1360             :                               &sPrototypeClass.mBase, protoCache,
    1361             :                               constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
    1362             :                               interfaceCache,
    1363             :                               sNativeProperties.Upcast(),
    1364             :                               nullptr,
    1365             :                               "Cache", aDefineOnGlobal,
    1366             :                               nullptr,
    1367           1 :                               false);
    1368             : }
    1369             : 
    1370             : JS::Handle<JSObject*>
    1371           0 : GetProtoObjectHandle(JSContext* aCx)
    1372             : {
    1373             :   /* Get the interface prototype object for this class.  This will create the
    1374             :      object as needed. */
    1375           0 :   bool aDefineOnGlobal = true;
    1376             : 
    1377             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
    1378           0 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
    1379           0 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
    1380           0 :     return nullptr;
    1381             :   }
    1382             : 
    1383             :   /* Check to see whether the interface objects are already installed */
    1384           0 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
    1385           0 :   if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::Cache)) {
    1386           0 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
    1387           0 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
    1388             :   }
    1389             : 
    1390             :   /*
    1391             :    * The object might _still_ be null, but that's OK.
    1392             :    *
    1393             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
    1394             :    * traced by TraceProtoAndIfaceCache() and its contents are never
    1395             :    * changed after they have been set.
    1396             :    *
    1397             :    * Calling address() avoids the read read barrier that does gray
    1398             :    * unmarking, but it's not possible for the object to be gray here.
    1399             :    */
    1400             : 
    1401           0 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::Cache);
    1402           0 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
    1403           0 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
    1404             : }
    1405             : 
    1406             : JS::Handle<JSObject*>
    1407           1 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
    1408             : {
    1409             :   /* Get the interface object for this class.  This will create the object as
    1410             :      needed. */
    1411             : 
    1412             :   /* Make sure our global is sane.  Hopefully we can remove this sometime */
    1413           1 :   JSObject* global = JS::CurrentGlobalOrNull(aCx);
    1414           1 :   if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
    1415           0 :     return nullptr;
    1416             :   }
    1417             : 
    1418             :   /* Check to see whether the interface objects are already installed */
    1419           1 :   ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
    1420           1 :   if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::Cache)) {
    1421           2 :     JS::Rooted<JSObject*> rootedGlobal(aCx, global);
    1422           1 :     CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
    1423             :   }
    1424             : 
    1425             :   /*
    1426             :    * The object might _still_ be null, but that's OK.
    1427             :    *
    1428             :    * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
    1429             :    * traced by TraceProtoAndIfaceCache() and its contents are never
    1430             :    * changed after they have been set.
    1431             :    *
    1432             :    * Calling address() avoids the read read barrier that does gray
    1433             :    * unmarking, but it's not possible for the object to be gray here.
    1434             :    */
    1435             : 
    1436           1 :   const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::Cache);
    1437           1 :   MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
    1438           1 :   return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
    1439             : }
    1440             : 
    1441             : JSObject*
    1442           1 : GetConstructorObject(JSContext* aCx)
    1443             : {
    1444           1 :   return GetConstructorObjectHandle(aCx);
    1445             : }
    1446             : 
    1447             : } // namespace CacheBinding
    1448             : 
    1449             : 
    1450             : 
    1451             : } // namespace dom
    1452             : } // namespace mozilla

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