/work/obj-fuzz/dom/bindings/WorkerBinding.cpp
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1 | | /* THIS FILE IS AUTOGENERATED FROM Worker.webidl BY Codegen.py - DO NOT EDIT */ |
2 | | |
3 | | #include "AtomList.h" |
4 | | #include "EventHandlerBinding.h" |
5 | | #include "EventTargetBinding.h" |
6 | | #include "WorkerBinding.h" |
7 | | #include "WrapperFactory.h" |
8 | | #include "mozilla/OwningNonNull.h" |
9 | | #include "mozilla/dom/BindingUtils.h" |
10 | | #include "mozilla/dom/ChromeWorker.h" |
11 | | #include "mozilla/dom/DOMJSClass.h" |
12 | | #include "mozilla/dom/NonRefcountedDOMObject.h" |
13 | | #include "mozilla/dom/Nullable.h" |
14 | | #include "mozilla/dom/ScriptSettings.h" |
15 | | #include "mozilla/dom/SimpleGlobalObject.h" |
16 | | #include "mozilla/dom/Worker.h" |
17 | | #include "mozilla/dom/XrayExpandoClass.h" |
18 | | #include "nsThreadUtils.h" |
19 | | |
20 | | namespace mozilla { |
21 | | namespace dom { |
22 | | |
23 | | namespace binding_detail {}; // Just to make sure it's known as a namespace |
24 | | using namespace mozilla::dom::binding_detail; |
25 | | |
26 | | |
27 | | |
28 | | WorkerOptions::WorkerOptions() |
29 | 0 | { |
30 | 0 | // Safe to pass a null context if we pass a null value |
31 | 0 | Init(nullptr, JS::NullHandleValue); |
32 | 0 | } |
33 | | |
34 | | |
35 | | |
36 | | bool |
37 | | WorkerOptions::InitIds(JSContext* cx, WorkerOptionsAtoms* atomsCache) |
38 | 0 | { |
39 | 0 | MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache)); |
40 | 0 |
|
41 | 0 | // Initialize these in reverse order so that any failure leaves the first one |
42 | 0 | // uninitialized. |
43 | 0 | if (!atomsCache->name_id.init(cx, "name")) { |
44 | 0 | return false; |
45 | 0 | } |
46 | 0 | return true; |
47 | 0 | } |
48 | | |
49 | | bool |
50 | | WorkerOptions::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl) |
51 | 0 | { |
52 | 0 | // Passing a null JSContext is OK only if we're initing from null, |
53 | 0 | // Since in that case we will not have to do any property gets |
54 | 0 | // Also evaluate isNullOrUndefined in order to avoid false-positive |
55 | 0 | // checkers by static analysis tools |
56 | 0 | MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined()); |
57 | 0 | WorkerOptionsAtoms* atomsCache = nullptr; |
58 | 0 | if (cx) { |
59 | 0 | atomsCache = GetAtomCache<WorkerOptionsAtoms>(cx); |
60 | 0 | if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) { |
61 | 0 | return false; |
62 | 0 | } |
63 | 0 | } |
64 | 0 | |
65 | 0 | if (!IsConvertibleToDictionary(val)) { |
66 | 0 | return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription); |
67 | 0 | } |
68 | 0 | |
69 | 0 | bool isNull = val.isNullOrUndefined(); |
70 | 0 | // We only need these if !isNull, in which case we have |cx|. |
71 | 0 | Maybe<JS::Rooted<JSObject *> > object; |
72 | 0 | Maybe<JS::Rooted<JS::Value> > temp; |
73 | 0 | if (!isNull) { |
74 | 0 | MOZ_ASSERT(cx); |
75 | 0 | object.emplace(cx, &val.toObject()); |
76 | 0 | temp.emplace(cx); |
77 | 0 | } |
78 | 0 | if (!isNull) { |
79 | 0 | if (!JS_GetPropertyById(cx, *object, atomsCache->name_id, temp.ptr())) { |
80 | 0 | return false; |
81 | 0 | } |
82 | 0 | } |
83 | 0 | if (!isNull && !temp->isUndefined()) { |
84 | 0 | if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mName)) { |
85 | 0 | return false; |
86 | 0 | } |
87 | 0 | } else { |
88 | 0 | static const char16_t data[] = { 0 }; |
89 | 0 | mName.Rebind(data, ArrayLength(data) - 1); |
90 | 0 | } |
91 | 0 | mIsAnyMemberPresent = true; |
92 | 0 | return true; |
93 | 0 | } |
94 | | |
95 | | bool |
96 | | WorkerOptions::Init(const nsAString& aJSON) |
97 | 0 | { |
98 | 0 | AutoJSAPI jsapi; |
99 | 0 | JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail); |
100 | 0 | if (!cleanGlobal) { |
101 | 0 | return false; |
102 | 0 | } |
103 | 0 | if (!jsapi.Init(cleanGlobal)) { |
104 | 0 | return false; |
105 | 0 | } |
106 | 0 | JSContext* cx = jsapi.cx(); |
107 | 0 | JS::Rooted<JS::Value> json(cx); |
108 | 0 | bool ok = ParseJSON(cx, aJSON, &json); |
109 | 0 | NS_ENSURE_TRUE(ok, false); |
110 | 0 | return Init(cx, json); |
111 | 0 | } |
112 | | |
113 | | bool |
114 | | WorkerOptions::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const |
115 | 0 | { |
116 | 0 | WorkerOptionsAtoms* atomsCache = GetAtomCache<WorkerOptionsAtoms>(cx); |
117 | 0 | if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) { |
118 | 0 | return false; |
119 | 0 | } |
120 | 0 | |
121 | 0 | JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx)); |
122 | 0 | if (!obj) { |
123 | 0 | return false; |
124 | 0 | } |
125 | 0 | rval.set(JS::ObjectValue(*obj)); |
126 | 0 |
|
127 | 0 | do { |
128 | 0 | // block for our 'break' successCode and scope for 'temp' and 'currentValue' |
129 | 0 | JS::Rooted<JS::Value> temp(cx); |
130 | 0 | nsString const & currentValue = mName; |
131 | 0 | if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) { |
132 | 0 | return false; |
133 | 0 | } |
134 | 0 | if (!JS_DefinePropertyById(cx, obj, atomsCache->name_id, temp, JSPROP_ENUMERATE)) { |
135 | 0 | return false; |
136 | 0 | } |
137 | 0 | break; |
138 | 0 | } while(false); |
139 | 0 |
|
140 | 0 | return true; |
141 | 0 | } |
142 | | |
143 | | bool |
144 | | WorkerOptions::ToJSON(nsAString& aJSON) const |
145 | 0 | { |
146 | 0 | AutoJSAPI jsapi; |
147 | 0 | jsapi.Init(); |
148 | 0 | JSContext *cx = jsapi.cx(); |
149 | 0 | // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here |
150 | 0 | // because we'll only be creating objects, in ways that have no |
151 | 0 | // side-effects, followed by a call to JS::ToJSONMaybeSafely, |
152 | 0 | // which likewise guarantees no side-effects for the sorts of |
153 | 0 | // things we will pass it. |
154 | 0 | JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal()); |
155 | 0 | JS::Rooted<JS::Value> val(cx); |
156 | 0 | if (!ToObjectInternal(cx, &val)) { |
157 | 0 | return false; |
158 | 0 | } |
159 | 0 | JS::Rooted<JSObject*> obj(cx, &val.toObject()); |
160 | 0 | return StringifyToJSON(cx, obj, aJSON); |
161 | 0 | } |
162 | | |
163 | | void |
164 | | WorkerOptions::TraceDictionary(JSTracer* trc) |
165 | 0 | { |
166 | 0 | } |
167 | | |
168 | | WorkerOptions& |
169 | | WorkerOptions::operator=(const WorkerOptions& aOther) |
170 | 0 | { |
171 | 0 | DictionaryBase::operator=(aOther); |
172 | 0 | mName = aOther.mName; |
173 | 0 | return *this; |
174 | 0 | } |
175 | | |
176 | | namespace binding_detail { |
177 | | } // namespace binding_detail |
178 | | |
179 | | |
180 | | namespace ChromeWorker_Binding { |
181 | | |
182 | | static_assert(IsRefcounted<NativeType>::value == IsRefcounted<Worker_Binding::NativeType>::value, |
183 | | "Can't inherit from an interface with a different ownership model."); |
184 | | |
185 | | static bool |
186 | | _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val) |
187 | 0 | { |
188 | 0 | mozilla::dom::ChromeWorker* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ChromeWorker>(obj); |
189 | 0 | // We don't want to preserve if we don't have a wrapper, and we |
190 | 0 | // obviously can't preserve if we're not initialized. |
191 | 0 | if (self && self->GetWrapperPreserveColor()) { |
192 | 0 | PreserveWrapper(self); |
193 | 0 | } |
194 | 0 | return true; |
195 | 0 | } |
196 | | |
197 | | static void |
198 | | _finalize(js::FreeOp* fop, JSObject* obj) |
199 | 0 | { |
200 | 0 | mozilla::dom::ChromeWorker* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ChromeWorker>(obj); |
201 | 0 | if (self) { |
202 | 0 | ClearWrapper(self, self, obj); |
203 | 0 | AddForDeferredFinalization<mozilla::dom::ChromeWorker>(self); |
204 | 0 | } |
205 | 0 | } |
206 | | |
207 | | static size_t |
208 | | _objectMoved(JSObject* obj, JSObject* old) |
209 | 0 | { |
210 | 0 | mozilla::dom::ChromeWorker* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ChromeWorker>(obj); |
211 | 0 | if (self) { |
212 | 0 | UpdateWrapper(self, self, obj, old); |
213 | 0 | } |
214 | 0 |
|
215 | 0 | return 0; |
216 | 0 | } |
217 | | |
218 | | static bool |
219 | | _constructor(JSContext* cx, unsigned argc, JS::Value* vp) |
220 | 0 | { |
221 | 0 | AUTO_PROFILER_LABEL_FAST("ChromeWorker constructor", DOM, cx); |
222 | 0 |
|
223 | 0 | JS::CallArgs args = JS::CallArgsFromVp(argc, vp); |
224 | 0 | JS::Rooted<JSObject*> obj(cx, &args.callee()); |
225 | 0 | if (!args.isConstructing()) { |
226 | 0 | // XXXbz wish I could get the name from the callee instead of |
227 | 0 | // Adding more relocations |
228 | 0 | return ThrowConstructorWithoutNew(cx, "ChromeWorker"); |
229 | 0 | } |
230 | 0 | |
231 | 0 | JS::Rooted<JSObject*> desiredProto(cx); |
232 | 0 | if (!GetDesiredProto(cx, args, &desiredProto)) { |
233 | 0 | return false; |
234 | 0 | } |
235 | 0 | |
236 | 0 | if (MOZ_UNLIKELY(args.length() < 1)) { |
237 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ChromeWorker"); |
238 | 0 | } |
239 | 0 | GlobalObject global(cx, obj); |
240 | 0 | if (global.Failed()) { |
241 | 0 | return false; |
242 | 0 | } |
243 | 0 | |
244 | 0 | bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); |
245 | 0 | binding_detail::FakeString arg0; |
246 | 0 | if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { |
247 | 0 | return false; |
248 | 0 | } |
249 | 0 | NormalizeUSVString(arg0); |
250 | 0 | Maybe<JSAutoRealm> ar; |
251 | 0 | if (objIsXray) { |
252 | 0 | obj = js::CheckedUnwrap(obj); |
253 | 0 | if (!obj) { |
254 | 0 | return false; |
255 | 0 | } |
256 | 0 | ar.emplace(cx, obj); |
257 | 0 | if (!JS_WrapObject(cx, &desiredProto)) { |
258 | 0 | return false; |
259 | 0 | } |
260 | 0 | } |
261 | 0 | FastErrorResult rv; |
262 | 0 | auto result(StrongOrRawPtr<mozilla::dom::ChromeWorker>(mozilla::dom::ChromeWorker::Constructor(global, Constify(arg0), rv))); |
263 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
264 | 0 | return false; |
265 | 0 | } |
266 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
267 | 0 | static_assert(!IsPointer<decltype(result)>::value, |
268 | 0 | "NewObject implies that we need to keep the object alive with a strong reference."); |
269 | 0 | if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { |
270 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
271 | 0 | return false; |
272 | 0 | } |
273 | 0 | return true; |
274 | 0 | } |
275 | | |
276 | | static const js::ClassOps sInterfaceObjectClassOps = { |
277 | | nullptr, /* addProperty */ |
278 | | nullptr, /* delProperty */ |
279 | | nullptr, /* enumerate */ |
280 | | nullptr, /* newEnumerate */ |
281 | | nullptr, /* resolve */ |
282 | | nullptr, /* mayResolve */ |
283 | | nullptr, /* finalize */ |
284 | | _constructor, /* call */ |
285 | | nullptr, /* hasInstance */ |
286 | | _constructor, /* construct */ |
287 | | nullptr, /* trace */ |
288 | | }; |
289 | | |
290 | | static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = { |
291 | | { |
292 | | "Function", |
293 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE), |
294 | | &sInterfaceObjectClassOps, |
295 | | JS_NULL_CLASS_SPEC, |
296 | | JS_NULL_CLASS_EXT, |
297 | | &sInterfaceObjectClassObjectOps |
298 | | }, |
299 | | eInterface, |
300 | | true, |
301 | | prototypes::id::ChromeWorker, |
302 | | PrototypeTraits<prototypes::id::ChromeWorker>::Depth, |
303 | | sNativePropertyHooks, |
304 | | "function ChromeWorker() {\n [native code]\n}", |
305 | | Worker_Binding::GetConstructorObject |
306 | | }; |
307 | | |
308 | | static const DOMIfaceAndProtoJSClass sPrototypeClass = { |
309 | | { |
310 | | "ChromeWorkerPrototype", |
311 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), |
312 | | JS_NULL_CLASS_OPS, |
313 | | JS_NULL_CLASS_SPEC, |
314 | | JS_NULL_CLASS_EXT, |
315 | | JS_NULL_OBJECT_OPS |
316 | | }, |
317 | | eInterfacePrototype, |
318 | | false, |
319 | | prototypes::id::ChromeWorker, |
320 | | PrototypeTraits<prototypes::id::ChromeWorker>::Depth, |
321 | | sNativePropertyHooks, |
322 | | "[object ChromeWorkerPrototype]", |
323 | | Worker_Binding::GetProtoObject |
324 | | }; |
325 | | |
326 | | bool |
327 | | ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj) |
328 | 0 | { |
329 | 0 | if (!NS_IsMainThread()) { |
330 | 0 | const char* name = js::GetObjectClass(aObj)->name; |
331 | 0 | if (strcmp(name, "DedicatedWorkerGlobalScope") && strcmp(name, "SharedWorkerGlobalScope")) { |
332 | 0 | return false; |
333 | 0 | } |
334 | 0 | } |
335 | 0 | |
336 | 0 | return mozilla::dom::ChromeWorker::WorkerAvailable(aCx, aObj); |
337 | 0 | } |
338 | | |
339 | | static const js::ClassOps sClassOps = { |
340 | | _addProperty, /* addProperty */ |
341 | | nullptr, /* delProperty */ |
342 | | nullptr, /* enumerate */ |
343 | | nullptr, /* newEnumerate */ |
344 | | nullptr, /* resolve */ |
345 | | nullptr, /* mayResolve */ |
346 | | _finalize, /* finalize */ |
347 | | nullptr, /* call */ |
348 | | nullptr, /* hasInstance */ |
349 | | nullptr, /* construct */ |
350 | | nullptr, /* trace */ |
351 | | }; |
352 | | |
353 | | static const js::ClassExtension sClassExtension = { |
354 | | nullptr, /* weakmapKeyDelegateOp */ |
355 | | _objectMoved /* objectMovedOp */ |
356 | | }; |
357 | | |
358 | | static const DOMJSClass sClass = { |
359 | | { "ChromeWorker", |
360 | | JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1), |
361 | | &sClassOps, |
362 | | JS_NULL_CLASS_SPEC, |
363 | | &sClassExtension, |
364 | | JS_NULL_OBJECT_OPS |
365 | | }, |
366 | | { prototypes::id::EventTarget, prototypes::id::Worker, prototypes::id::ChromeWorker, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, |
367 | | IsBaseOf<nsISupports, mozilla::dom::ChromeWorker >::value, |
368 | | sNativePropertyHooks, |
369 | | FindAssociatedGlobalForNative<mozilla::dom::ChromeWorker>::Get, |
370 | | GetProtoObjectHandle, |
371 | | GetCCParticipant<mozilla::dom::ChromeWorker>::Get() |
372 | | }; |
373 | | static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, |
374 | | "Must have the right minimal number of reserved slots."); |
375 | | static_assert(1 >= 1, |
376 | | "Must have enough reserved slots."); |
377 | | |
378 | | const JSClass* |
379 | | GetJSClass() |
380 | 0 | { |
381 | 0 | return sClass.ToJSClass(); |
382 | 0 | } |
383 | | |
384 | | bool |
385 | | Wrap(JSContext* aCx, mozilla::dom::ChromeWorker* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector) |
386 | 0 | { |
387 | 0 | static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::ChromeWorker>::value, |
388 | 0 | "Shouldn't have wrappercached things that are not refcounted."); |
389 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::ChromeWorker*>(aObject) == |
390 | 0 | reinterpret_cast<mozilla::dom::ChromeWorker*>(aObject), |
391 | 0 | "Multiple inheritance for mozilla::dom::ChromeWorker is broken."); |
392 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::Worker*>(aObject) == |
393 | 0 | reinterpret_cast<mozilla::dom::Worker*>(aObject), |
394 | 0 | "Multiple inheritance for mozilla::dom::Worker is broken."); |
395 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) == |
396 | 0 | reinterpret_cast<mozilla::dom::EventTarget*>(aObject), |
397 | 0 | "Multiple inheritance for mozilla::dom::EventTarget is broken."); |
398 | 0 | MOZ_ASSERT(ToSupportsIsCorrect(aObject)); |
399 | 0 | MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); |
400 | 0 | MOZ_ASSERT(!aCache->GetWrapper(), |
401 | 0 | "You should probably not be using Wrap() directly; use " |
402 | 0 | "GetOrCreateDOMReflector instead"); |
403 | 0 |
|
404 | 0 | MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), |
405 | 0 | "nsISupports must be on our primary inheritance chain"); |
406 | 0 |
|
407 | 0 | JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); |
408 | 0 | if (!global) { |
409 | 0 | return false; |
410 | 0 | } |
411 | 0 | MOZ_ASSERT(JS_IsGlobalObject(global)); |
412 | 0 | MOZ_ASSERT(JS::ObjectIsNotGray(global)); |
413 | 0 |
|
414 | 0 | // That might have ended up wrapping us already, due to the wonders |
415 | 0 | // of XBL. Check for that, and bail out as needed. |
416 | 0 | aReflector.set(aCache->GetWrapper()); |
417 | 0 | if (aReflector) { |
418 | | #ifdef DEBUG |
419 | | AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); |
420 | | #endif // DEBUG |
421 | | return true; |
422 | 0 | } |
423 | 0 |
|
424 | 0 | JSAutoRealm ar(aCx, global); |
425 | 0 | JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx); |
426 | 0 | if (!canonicalProto) { |
427 | 0 | return false; |
428 | 0 | } |
429 | 0 | JS::Rooted<JSObject*> proto(aCx); |
430 | 0 | if (aGivenProto) { |
431 | 0 | proto = aGivenProto; |
432 | 0 | // Unfortunately, while aGivenProto was in the compartment of aCx |
433 | 0 | // coming in, we changed compartments to that of "parent" so may need |
434 | 0 | // to wrap the proto here. |
435 | 0 | if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) { |
436 | 0 | if (!JS_WrapObject(aCx, &proto)) { |
437 | 0 | return false; |
438 | 0 | } |
439 | 0 | } |
440 | 0 | } else { |
441 | 0 | proto = canonicalProto; |
442 | 0 | } |
443 | 0 |
|
444 | 0 | BindingJSObjectCreator<mozilla::dom::ChromeWorker> creator(aCx); |
445 | 0 | creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); |
446 | 0 | if (!aReflector) { |
447 | 0 | return false; |
448 | 0 | } |
449 | 0 | |
450 | 0 | aCache->SetWrapper(aReflector); |
451 | 0 | creator.InitializationSucceeded(); |
452 | 0 |
|
453 | 0 | MOZ_ASSERT(aCache->GetWrapperPreserveColor() && |
454 | 0 | aCache->GetWrapperPreserveColor() == aReflector); |
455 | 0 | // If proto != canonicalProto, we have to preserve our wrapper; |
456 | 0 | // otherwise we won't be able to properly recreate it later, since |
457 | 0 | // we won't know what proto to use. Note that we don't check |
458 | 0 | // aGivenProto here, since it's entirely possible (and even |
459 | 0 | // somewhat common) to have a non-null aGivenProto which is the |
460 | 0 | // same as canonicalProto. |
461 | 0 | if (proto != canonicalProto) { |
462 | 0 | PreserveWrapper(aObject); |
463 | 0 | } |
464 | 0 |
|
465 | 0 | return true; |
466 | 0 | } |
467 | | |
468 | | const NativePropertyHooks sNativePropertyHooks[] = { { |
469 | | nullptr, |
470 | | nullptr, |
471 | | nullptr, |
472 | | { nullptr, nullptr }, |
473 | | prototypes::id::ChromeWorker, |
474 | | constructors::id::ChromeWorker, |
475 | | Worker_Binding::sNativePropertyHooks, |
476 | | &DefaultXrayExpandoObjectClass |
477 | | } }; |
478 | | |
479 | | void |
480 | | CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal) |
481 | 0 | { |
482 | 0 | JS::Handle<JSObject*> parentProto(Worker_Binding::GetProtoObjectHandle(aCx)); |
483 | 0 | if (!parentProto) { |
484 | 0 | return; |
485 | 0 | } |
486 | 0 | |
487 | 0 | JS::Handle<JSObject*> constructorProto(Worker_Binding::GetConstructorObjectHandle(aCx)); |
488 | 0 | if (!constructorProto) { |
489 | 0 | return; |
490 | 0 | } |
491 | 0 | |
492 | 0 | JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ChromeWorker); |
493 | 0 | JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ChromeWorker); |
494 | 0 | dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, |
495 | 0 | &sPrototypeClass.mBase, protoCache, |
496 | 0 | nullptr, |
497 | 0 | constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr, |
498 | 0 | interfaceCache, |
499 | 0 | nullptr, |
500 | 0 | nullptr, |
501 | 0 | "ChromeWorker", aDefineOnGlobal, |
502 | 0 | nullptr, |
503 | 0 | false); |
504 | 0 | } |
505 | | |
506 | | JSObject* |
507 | | GetConstructorObject(JSContext* aCx) |
508 | 0 | { |
509 | 0 | return GetConstructorObjectHandle(aCx); |
510 | 0 | } |
511 | | |
512 | | } // namespace ChromeWorker_Binding |
513 | | |
514 | | |
515 | | |
516 | | namespace Worker_Binding { |
517 | | |
518 | | static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventTarget_Binding::NativeType>::value, |
519 | | "Can't inherit from an interface with a different ownership model."); |
520 | | |
521 | | MOZ_CAN_RUN_SCRIPT static bool |
522 | | terminate(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::Worker* self, const JSJitMethodCallArgs& args) |
523 | 0 | { |
524 | 0 | AUTO_PROFILER_LABEL_FAST("Worker.terminate", DOM, cx); |
525 | 0 |
|
526 | 0 | self->Terminate(); |
527 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
528 | 0 | args.rval().setUndefined(); |
529 | 0 | return true; |
530 | 0 | } |
531 | | |
532 | | static const JSJitInfo terminate_methodinfo = { |
533 | | { (JSJitGetterOp)terminate }, |
534 | | { prototypes::id::Worker }, |
535 | | { PrototypeTraits<prototypes::id::Worker>::Depth }, |
536 | | JSJitInfo::Method, |
537 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
538 | | JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ |
539 | | true, /* isInfallible. False in setters. */ |
540 | | false, /* isMovable. Not relevant for setters. */ |
541 | | false, /* isEliminatable. Not relevant for setters. */ |
542 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
543 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
544 | | false, /* isTypedMethod. Only relevant for methods. */ |
545 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
546 | | }; |
547 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
548 | | static_assert(0 < 1, "There is no slot for us"); |
549 | | |
550 | | MOZ_CAN_RUN_SCRIPT static bool |
551 | | postMessage(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::Worker* self, const JSJitMethodCallArgs& args) |
552 | 0 | { |
553 | 0 | AUTO_PROFILER_LABEL_FAST("Worker.postMessage", DOM, cx); |
554 | 0 |
|
555 | 0 | if (MOZ_UNLIKELY(args.length() < 1)) { |
556 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "Worker.postMessage"); |
557 | 0 | } |
558 | 0 | JS::Rooted<JS::Value> arg0(cx); |
559 | 0 | arg0 = args[0]; |
560 | 0 | binding_detail::AutoSequence<JSObject*> arg1; |
561 | 0 | SequenceRooter<JSObject*> arg1_holder(cx, &arg1); |
562 | 0 | if (args.hasDefined(1)) { |
563 | 0 | if (args[1].isObject()) { |
564 | 0 | JS::ForOfIterator iter(cx); |
565 | 0 | if (!iter.init(args[1], JS::ForOfIterator::AllowNonIterable)) { |
566 | 0 | return false; |
567 | 0 | } |
568 | 0 | if (!iter.valueIsIterable()) { |
569 | 0 | ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 2 of Worker.postMessage"); |
570 | 0 | return false; |
571 | 0 | } |
572 | 0 | binding_detail::AutoSequence<JSObject*> &arr = arg1; |
573 | 0 | JS::Rooted<JS::Value> temp(cx); |
574 | 0 | while (true) { |
575 | 0 | bool done; |
576 | 0 | if (!iter.next(&temp, &done)) { |
577 | 0 | return false; |
578 | 0 | } |
579 | 0 | if (done) { |
580 | 0 | break; |
581 | 0 | } |
582 | 0 | JSObject** slotPtr = arr.AppendElement(mozilla::fallible); |
583 | 0 | if (!slotPtr) { |
584 | 0 | JS_ReportOutOfMemory(cx); |
585 | 0 | return false; |
586 | 0 | } |
587 | 0 | JSObject*& slot = *slotPtr; |
588 | 0 | if (temp.isObject()) { |
589 | 0 | slot = &temp.toObject(); |
590 | 0 | } else { |
591 | 0 | ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Element of argument 2 of Worker.postMessage"); |
592 | 0 | return false; |
593 | 0 | } |
594 | 0 | } |
595 | 0 | } else { |
596 | 0 | ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 2 of Worker.postMessage"); |
597 | 0 | return false; |
598 | 0 | } |
599 | 0 | } else { |
600 | 0 | /* Array is already empty; nothing to do */ |
601 | 0 | } |
602 | 0 | FastErrorResult rv; |
603 | 0 | self->PostMessage(cx, arg0, Constify(arg1), rv); |
604 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
605 | 0 | return false; |
606 | 0 | } |
607 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
608 | 0 | args.rval().setUndefined(); |
609 | 0 | return true; |
610 | 0 | } |
611 | | |
612 | | static const JSJitInfo postMessage_methodinfo = { |
613 | | { (JSJitGetterOp)postMessage }, |
614 | | { prototypes::id::Worker }, |
615 | | { PrototypeTraits<prototypes::id::Worker>::Depth }, |
616 | | JSJitInfo::Method, |
617 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
618 | | JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ |
619 | | false, /* isInfallible. False in setters. */ |
620 | | false, /* isMovable. Not relevant for setters. */ |
621 | | false, /* isEliminatable. Not relevant for setters. */ |
622 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
623 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
624 | | false, /* isTypedMethod. Only relevant for methods. */ |
625 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
626 | | }; |
627 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
628 | | static_assert(0 < 1, "There is no slot for us"); |
629 | | |
630 | | MOZ_CAN_RUN_SCRIPT static bool |
631 | | get_onmessage(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::Worker* self, JSJitGetterCallArgs args) |
632 | 0 | { |
633 | 0 | AUTO_PROFILER_LABEL_FAST("get Worker.onmessage", DOM, cx); |
634 | 0 |
|
635 | 0 | RefPtr<EventHandlerNonNull> result(self->GetOnmessage()); |
636 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
637 | 0 | if (result) { |
638 | 0 | args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result)); |
639 | 0 | if (!MaybeWrapObjectOrNullValue(cx, args.rval())) { |
640 | 0 | return false; |
641 | 0 | } |
642 | 0 | return true; |
643 | 0 | } else { |
644 | 0 | args.rval().setNull(); |
645 | 0 | return true; |
646 | 0 | } |
647 | 0 | } |
648 | | |
649 | | MOZ_CAN_RUN_SCRIPT static bool |
650 | | set_onmessage(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::Worker* self, JSJitSetterCallArgs args) |
651 | 0 | { |
652 | 0 | AUTO_PROFILER_LABEL_FAST("set Worker.onmessage", DOM, cx); |
653 | 0 |
|
654 | 0 | RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx); |
655 | 0 | if (args[0].isObject()) { |
656 | 0 | { // scope for tempRoot and tempGlobalRoot if needed |
657 | 0 | arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx)); |
658 | 0 | } |
659 | 0 | } else { |
660 | 0 | arg0 = nullptr; |
661 | 0 | } |
662 | 0 | self->SetOnmessage(Constify(arg0)); |
663 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
664 | 0 |
|
665 | 0 | return true; |
666 | 0 | } |
667 | | |
668 | | static const JSJitInfo onmessage_getterinfo = { |
669 | | { (JSJitGetterOp)get_onmessage }, |
670 | | { prototypes::id::Worker }, |
671 | | { PrototypeTraits<prototypes::id::Worker>::Depth }, |
672 | | JSJitInfo::Getter, |
673 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
674 | | JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ |
675 | | false, /* isInfallible. False in setters. */ |
676 | | false, /* isMovable. Not relevant for setters. */ |
677 | | false, /* isEliminatable. Not relevant for setters. */ |
678 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
679 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
680 | | false, /* isTypedMethod. Only relevant for methods. */ |
681 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
682 | | }; |
683 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
684 | | static_assert(0 < 1, "There is no slot for us"); |
685 | | static const JSJitInfo onmessage_setterinfo = { |
686 | | { (JSJitGetterOp)set_onmessage }, |
687 | | { prototypes::id::Worker }, |
688 | | { PrototypeTraits<prototypes::id::Worker>::Depth }, |
689 | | JSJitInfo::Setter, |
690 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
691 | | JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ |
692 | | false, /* isInfallible. False in setters. */ |
693 | | false, /* isMovable. Not relevant for setters. */ |
694 | | false, /* isEliminatable. Not relevant for setters. */ |
695 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
696 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
697 | | false, /* isTypedMethod. Only relevant for methods. */ |
698 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
699 | | }; |
700 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
701 | | static_assert(0 < 1, "There is no slot for us"); |
702 | | |
703 | | MOZ_CAN_RUN_SCRIPT static bool |
704 | | get_onmessageerror(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::Worker* self, JSJitGetterCallArgs args) |
705 | 0 | { |
706 | 0 | AUTO_PROFILER_LABEL_FAST("get Worker.onmessageerror", DOM, cx); |
707 | 0 |
|
708 | 0 | RefPtr<EventHandlerNonNull> result(self->GetOnmessageerror()); |
709 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
710 | 0 | if (result) { |
711 | 0 | args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result)); |
712 | 0 | if (!MaybeWrapObjectOrNullValue(cx, args.rval())) { |
713 | 0 | return false; |
714 | 0 | } |
715 | 0 | return true; |
716 | 0 | } else { |
717 | 0 | args.rval().setNull(); |
718 | 0 | return true; |
719 | 0 | } |
720 | 0 | } |
721 | | |
722 | | MOZ_CAN_RUN_SCRIPT static bool |
723 | | set_onmessageerror(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::Worker* self, JSJitSetterCallArgs args) |
724 | 0 | { |
725 | 0 | AUTO_PROFILER_LABEL_FAST("set Worker.onmessageerror", DOM, cx); |
726 | 0 |
|
727 | 0 | RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx); |
728 | 0 | if (args[0].isObject()) { |
729 | 0 | { // scope for tempRoot and tempGlobalRoot if needed |
730 | 0 | arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx)); |
731 | 0 | } |
732 | 0 | } else { |
733 | 0 | arg0 = nullptr; |
734 | 0 | } |
735 | 0 | self->SetOnmessageerror(Constify(arg0)); |
736 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
737 | 0 |
|
738 | 0 | return true; |
739 | 0 | } |
740 | | |
741 | | static const JSJitInfo onmessageerror_getterinfo = { |
742 | | { (JSJitGetterOp)get_onmessageerror }, |
743 | | { prototypes::id::Worker }, |
744 | | { PrototypeTraits<prototypes::id::Worker>::Depth }, |
745 | | JSJitInfo::Getter, |
746 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
747 | | JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ |
748 | | false, /* isInfallible. False in setters. */ |
749 | | false, /* isMovable. Not relevant for setters. */ |
750 | | false, /* isEliminatable. Not relevant for setters. */ |
751 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
752 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
753 | | false, /* isTypedMethod. Only relevant for methods. */ |
754 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
755 | | }; |
756 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
757 | | static_assert(0 < 1, "There is no slot for us"); |
758 | | static const JSJitInfo onmessageerror_setterinfo = { |
759 | | { (JSJitGetterOp)set_onmessageerror }, |
760 | | { prototypes::id::Worker }, |
761 | | { PrototypeTraits<prototypes::id::Worker>::Depth }, |
762 | | JSJitInfo::Setter, |
763 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
764 | | JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ |
765 | | false, /* isInfallible. False in setters. */ |
766 | | false, /* isMovable. Not relevant for setters. */ |
767 | | false, /* isEliminatable. Not relevant for setters. */ |
768 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
769 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
770 | | false, /* isTypedMethod. Only relevant for methods. */ |
771 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
772 | | }; |
773 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
774 | | static_assert(0 < 1, "There is no slot for us"); |
775 | | |
776 | | MOZ_CAN_RUN_SCRIPT static bool |
777 | | get_onerror(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::Worker* self, JSJitGetterCallArgs args) |
778 | 0 | { |
779 | 0 | AUTO_PROFILER_LABEL_FAST("get Worker.onerror", DOM, cx); |
780 | 0 |
|
781 | 0 | RefPtr<EventHandlerNonNull> result(self->GetOnerror()); |
782 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
783 | 0 | if (result) { |
784 | 0 | args.rval().setObjectOrNull(GetCallbackFromCallbackObject(cx, result)); |
785 | 0 | if (!MaybeWrapObjectOrNullValue(cx, args.rval())) { |
786 | 0 | return false; |
787 | 0 | } |
788 | 0 | return true; |
789 | 0 | } else { |
790 | 0 | args.rval().setNull(); |
791 | 0 | return true; |
792 | 0 | } |
793 | 0 | } |
794 | | |
795 | | MOZ_CAN_RUN_SCRIPT static bool |
796 | | set_onerror(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::Worker* self, JSJitSetterCallArgs args) |
797 | 0 | { |
798 | 0 | AUTO_PROFILER_LABEL_FAST("set Worker.onerror", DOM, cx); |
799 | 0 |
|
800 | 0 | RootedCallback<RefPtr<binding_detail::FastEventHandlerNonNull>> arg0(cx); |
801 | 0 | if (args[0].isObject()) { |
802 | 0 | { // scope for tempRoot and tempGlobalRoot if needed |
803 | 0 | arg0 = new binding_detail::FastEventHandlerNonNull(&args[0].toObject(), JS::CurrentGlobalOrNull(cx)); |
804 | 0 | } |
805 | 0 | } else { |
806 | 0 | arg0 = nullptr; |
807 | 0 | } |
808 | 0 | self->SetOnerror(Constify(arg0)); |
809 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
810 | 0 |
|
811 | 0 | return true; |
812 | 0 | } |
813 | | |
814 | | static const JSJitInfo onerror_getterinfo = { |
815 | | { (JSJitGetterOp)get_onerror }, |
816 | | { prototypes::id::Worker }, |
817 | | { PrototypeTraits<prototypes::id::Worker>::Depth }, |
818 | | JSJitInfo::Getter, |
819 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
820 | | JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ |
821 | | false, /* isInfallible. False in setters. */ |
822 | | false, /* isMovable. Not relevant for setters. */ |
823 | | false, /* isEliminatable. Not relevant for setters. */ |
824 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
825 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
826 | | false, /* isTypedMethod. Only relevant for methods. */ |
827 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
828 | | }; |
829 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
830 | | static_assert(0 < 1, "There is no slot for us"); |
831 | | static const JSJitInfo onerror_setterinfo = { |
832 | | { (JSJitGetterOp)set_onerror }, |
833 | | { prototypes::id::Worker }, |
834 | | { PrototypeTraits<prototypes::id::Worker>::Depth }, |
835 | | JSJitInfo::Setter, |
836 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
837 | | JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ |
838 | | false, /* isInfallible. False in setters. */ |
839 | | false, /* isMovable. Not relevant for setters. */ |
840 | | false, /* isEliminatable. Not relevant for setters. */ |
841 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
842 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
843 | | false, /* isTypedMethod. Only relevant for methods. */ |
844 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
845 | | }; |
846 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
847 | | static_assert(0 < 1, "There is no slot for us"); |
848 | | |
849 | | static bool |
850 | | _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val) |
851 | 0 | { |
852 | 0 | mozilla::dom::Worker* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::Worker>(obj); |
853 | 0 | // We don't want to preserve if we don't have a wrapper, and we |
854 | 0 | // obviously can't preserve if we're not initialized. |
855 | 0 | if (self && self->GetWrapperPreserveColor()) { |
856 | 0 | PreserveWrapper(self); |
857 | 0 | } |
858 | 0 | return true; |
859 | 0 | } |
860 | | |
861 | | static void |
862 | | _finalize(js::FreeOp* fop, JSObject* obj) |
863 | 0 | { |
864 | 0 | mozilla::dom::Worker* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::Worker>(obj); |
865 | 0 | if (self) { |
866 | 0 | ClearWrapper(self, self, obj); |
867 | 0 | AddForDeferredFinalization<mozilla::dom::Worker>(self); |
868 | 0 | } |
869 | 0 | } |
870 | | |
871 | | static size_t |
872 | | _objectMoved(JSObject* obj, JSObject* old) |
873 | 0 | { |
874 | 0 | mozilla::dom::Worker* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::Worker>(obj); |
875 | 0 | if (self) { |
876 | 0 | UpdateWrapper(self, self, obj, old); |
877 | 0 | } |
878 | 0 |
|
879 | 0 | return 0; |
880 | 0 | } |
881 | | |
882 | | // We deliberately use brace-elision to make Visual Studio produce better initalization code. |
883 | | #if defined(__clang__) |
884 | | #pragma clang diagnostic push |
885 | | #pragma clang diagnostic ignored "-Wmissing-braces" |
886 | | #endif |
887 | | static const JSFunctionSpec sMethods_specs[] = { |
888 | | JS_FNSPEC("terminate", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&terminate_methodinfo), 0, JSPROP_ENUMERATE, nullptr), |
889 | | JS_FNSPEC("postMessage", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&postMessage_methodinfo), 1, JSPROP_ENUMERATE, nullptr), |
890 | | JS_FS_END |
891 | | }; |
892 | | #if defined(__clang__) |
893 | | #pragma clang diagnostic pop |
894 | | #endif |
895 | | |
896 | | |
897 | | static const Prefable<const JSFunctionSpec> sMethods[] = { |
898 | | { nullptr, &sMethods_specs[0] }, |
899 | | { nullptr, nullptr } |
900 | | }; |
901 | | |
902 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, |
903 | | "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); |
904 | | static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, |
905 | | "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); |
906 | | |
907 | | // We deliberately use brace-elision to make Visual Studio produce better initalization code. |
908 | | #if defined(__clang__) |
909 | | #pragma clang diagnostic push |
910 | | #pragma clang diagnostic ignored "-Wmissing-braces" |
911 | | #endif |
912 | | static const JSPropertySpec sAttributes_specs[] = { |
913 | | { "onmessage", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &onmessage_getterinfo, GenericSetter<NormalThisPolicy>, &onmessage_setterinfo }, |
914 | | { "onmessageerror", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &onmessageerror_getterinfo, GenericSetter<NormalThisPolicy>, &onmessageerror_setterinfo }, |
915 | | { "onerror", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &onerror_getterinfo, GenericSetter<NormalThisPolicy>, &onerror_setterinfo }, |
916 | | { nullptr, 0, nullptr, nullptr, nullptr, nullptr } |
917 | | }; |
918 | | #if defined(__clang__) |
919 | | #pragma clang diagnostic pop |
920 | | #endif |
921 | | |
922 | | |
923 | | static const Prefable<const JSPropertySpec> sAttributes[] = { |
924 | | { nullptr, &sAttributes_specs[0] }, |
925 | | { nullptr, nullptr } |
926 | | }; |
927 | | |
928 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, |
929 | | "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); |
930 | | static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, |
931 | | "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); |
932 | | |
933 | | |
934 | | static uint16_t sNativeProperties_sortedPropertyIndices[5]; |
935 | | static PropertyInfo sNativeProperties_propertyInfos[5]; |
936 | | |
937 | | static const NativePropertiesN<2> sNativeProperties = { |
938 | | false, 0, |
939 | | false, 0, |
940 | | true, 0 /* sMethods */, |
941 | | true, 1 /* sAttributes */, |
942 | | false, 0, |
943 | | false, 0, |
944 | | false, 0, |
945 | | -1, |
946 | | 5, |
947 | | sNativeProperties_sortedPropertyIndices, |
948 | | { |
949 | | { sMethods, &sNativeProperties_propertyInfos[0] }, |
950 | | { sAttributes, &sNativeProperties_propertyInfos[2] } |
951 | | } |
952 | | }; |
953 | | static_assert(5 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount), |
954 | | "We have a property info count that is oversized"); |
955 | | |
956 | | static bool |
957 | | _constructor(JSContext* cx, unsigned argc, JS::Value* vp) |
958 | 0 | { |
959 | 0 | AUTO_PROFILER_LABEL_FAST("Worker constructor", DOM, cx); |
960 | 0 |
|
961 | 0 | JS::CallArgs args = JS::CallArgsFromVp(argc, vp); |
962 | 0 | JS::Rooted<JSObject*> obj(cx, &args.callee()); |
963 | 0 | if (!args.isConstructing()) { |
964 | 0 | // XXXbz wish I could get the name from the callee instead of |
965 | 0 | // Adding more relocations |
966 | 0 | return ThrowConstructorWithoutNew(cx, "Worker"); |
967 | 0 | } |
968 | 0 | |
969 | 0 | JS::Rooted<JSObject*> desiredProto(cx); |
970 | 0 | if (!GetDesiredProto(cx, args, &desiredProto)) { |
971 | 0 | return false; |
972 | 0 | } |
973 | 0 | |
974 | 0 | if (MOZ_UNLIKELY(args.length() < 1)) { |
975 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "Worker"); |
976 | 0 | } |
977 | 0 | GlobalObject global(cx, obj); |
978 | 0 | if (global.Failed()) { |
979 | 0 | return false; |
980 | 0 | } |
981 | 0 | |
982 | 0 | bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); |
983 | 0 | binding_detail::FakeString arg0; |
984 | 0 | if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) { |
985 | 0 | return false; |
986 | 0 | } |
987 | 0 | NormalizeUSVString(arg0); |
988 | 0 | binding_detail::FastWorkerOptions arg1; |
989 | 0 | if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2 of Worker.constructor", false)) { |
990 | 0 | return false; |
991 | 0 | } |
992 | 0 | Maybe<JSAutoRealm> ar; |
993 | 0 | if (objIsXray) { |
994 | 0 | obj = js::CheckedUnwrap(obj); |
995 | 0 | if (!obj) { |
996 | 0 | return false; |
997 | 0 | } |
998 | 0 | ar.emplace(cx, obj); |
999 | 0 | if (!JS_WrapObject(cx, &desiredProto)) { |
1000 | 0 | return false; |
1001 | 0 | } |
1002 | 0 | } |
1003 | 0 | FastErrorResult rv; |
1004 | 0 | auto result(StrongOrRawPtr<mozilla::dom::Worker>(mozilla::dom::Worker::Constructor(global, Constify(arg0), Constify(arg1), rv))); |
1005 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
1006 | 0 | return false; |
1007 | 0 | } |
1008 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
1009 | 0 | static_assert(!IsPointer<decltype(result)>::value, |
1010 | 0 | "NewObject implies that we need to keep the object alive with a strong reference."); |
1011 | 0 | if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { |
1012 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
1013 | 0 | return false; |
1014 | 0 | } |
1015 | 0 | return true; |
1016 | 0 | } |
1017 | | |
1018 | | static const js::ClassOps sInterfaceObjectClassOps = { |
1019 | | nullptr, /* addProperty */ |
1020 | | nullptr, /* delProperty */ |
1021 | | nullptr, /* enumerate */ |
1022 | | nullptr, /* newEnumerate */ |
1023 | | nullptr, /* resolve */ |
1024 | | nullptr, /* mayResolve */ |
1025 | | nullptr, /* finalize */ |
1026 | | _constructor, /* call */ |
1027 | | nullptr, /* hasInstance */ |
1028 | | _constructor, /* construct */ |
1029 | | nullptr, /* trace */ |
1030 | | }; |
1031 | | |
1032 | | static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = { |
1033 | | { |
1034 | | "Function", |
1035 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE), |
1036 | | &sInterfaceObjectClassOps, |
1037 | | JS_NULL_CLASS_SPEC, |
1038 | | JS_NULL_CLASS_EXT, |
1039 | | &sInterfaceObjectClassObjectOps |
1040 | | }, |
1041 | | eInterface, |
1042 | | true, |
1043 | | prototypes::id::Worker, |
1044 | | PrototypeTraits<prototypes::id::Worker>::Depth, |
1045 | | sNativePropertyHooks, |
1046 | | "function Worker() {\n [native code]\n}", |
1047 | | EventTarget_Binding::GetConstructorObject |
1048 | | }; |
1049 | | |
1050 | | static const DOMIfaceAndProtoJSClass sPrototypeClass = { |
1051 | | { |
1052 | | "WorkerPrototype", |
1053 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), |
1054 | | JS_NULL_CLASS_OPS, |
1055 | | JS_NULL_CLASS_SPEC, |
1056 | | JS_NULL_CLASS_EXT, |
1057 | | JS_NULL_OBJECT_OPS |
1058 | | }, |
1059 | | eInterfacePrototype, |
1060 | | false, |
1061 | | prototypes::id::Worker, |
1062 | | PrototypeTraits<prototypes::id::Worker>::Depth, |
1063 | | sNativePropertyHooks, |
1064 | | "[object WorkerPrototype]", |
1065 | | EventTarget_Binding::GetProtoObject |
1066 | | }; |
1067 | | |
1068 | | bool |
1069 | | ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj) |
1070 | 0 | { |
1071 | 0 | if (!NS_IsMainThread()) { |
1072 | 0 | const char* name = js::GetObjectClass(aObj)->name; |
1073 | 0 | if (strcmp(name, "DedicatedWorkerGlobalScope") && strcmp(name, "SharedWorkerGlobalScope")) { |
1074 | 0 | return false; |
1075 | 0 | } |
1076 | 0 | } |
1077 | 0 | |
1078 | 0 | return true; |
1079 | 0 | } |
1080 | | |
1081 | | static const js::ClassOps sClassOps = { |
1082 | | _addProperty, /* addProperty */ |
1083 | | nullptr, /* delProperty */ |
1084 | | nullptr, /* enumerate */ |
1085 | | nullptr, /* newEnumerate */ |
1086 | | nullptr, /* resolve */ |
1087 | | nullptr, /* mayResolve */ |
1088 | | _finalize, /* finalize */ |
1089 | | nullptr, /* call */ |
1090 | | nullptr, /* hasInstance */ |
1091 | | nullptr, /* construct */ |
1092 | | nullptr, /* trace */ |
1093 | | }; |
1094 | | |
1095 | | static const js::ClassExtension sClassExtension = { |
1096 | | nullptr, /* weakmapKeyDelegateOp */ |
1097 | | _objectMoved /* objectMovedOp */ |
1098 | | }; |
1099 | | |
1100 | | static const DOMJSClass sClass = { |
1101 | | { "Worker", |
1102 | | JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1), |
1103 | | &sClassOps, |
1104 | | JS_NULL_CLASS_SPEC, |
1105 | | &sClassExtension, |
1106 | | JS_NULL_OBJECT_OPS |
1107 | | }, |
1108 | | { prototypes::id::EventTarget, prototypes::id::Worker, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, |
1109 | | IsBaseOf<nsISupports, mozilla::dom::Worker >::value, |
1110 | | sNativePropertyHooks, |
1111 | | FindAssociatedGlobalForNative<mozilla::dom::Worker>::Get, |
1112 | | GetProtoObjectHandle, |
1113 | | GetCCParticipant<mozilla::dom::Worker>::Get() |
1114 | | }; |
1115 | | static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, |
1116 | | "Must have the right minimal number of reserved slots."); |
1117 | | static_assert(1 >= 1, |
1118 | | "Must have enough reserved slots."); |
1119 | | |
1120 | | const JSClass* |
1121 | | GetJSClass() |
1122 | 0 | { |
1123 | 0 | return sClass.ToJSClass(); |
1124 | 0 | } |
1125 | | |
1126 | | bool |
1127 | | Wrap(JSContext* aCx, mozilla::dom::Worker* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector) |
1128 | 0 | { |
1129 | 0 | static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::Worker>::value, |
1130 | 0 | "Shouldn't have wrappercached things that are not refcounted."); |
1131 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::Worker*>(aObject) == |
1132 | 0 | reinterpret_cast<mozilla::dom::Worker*>(aObject), |
1133 | 0 | "Multiple inheritance for mozilla::dom::Worker is broken."); |
1134 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) == |
1135 | 0 | reinterpret_cast<mozilla::dom::EventTarget*>(aObject), |
1136 | 0 | "Multiple inheritance for mozilla::dom::EventTarget is broken."); |
1137 | 0 | MOZ_ASSERT(ToSupportsIsCorrect(aObject)); |
1138 | 0 | MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); |
1139 | 0 | MOZ_ASSERT(!aCache->GetWrapper(), |
1140 | 0 | "You should probably not be using Wrap() directly; use " |
1141 | 0 | "GetOrCreateDOMReflector instead"); |
1142 | 0 |
|
1143 | 0 | MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), |
1144 | 0 | "nsISupports must be on our primary inheritance chain"); |
1145 | 0 |
|
1146 | 0 | JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); |
1147 | 0 | if (!global) { |
1148 | 0 | return false; |
1149 | 0 | } |
1150 | 0 | MOZ_ASSERT(JS_IsGlobalObject(global)); |
1151 | 0 | MOZ_ASSERT(JS::ObjectIsNotGray(global)); |
1152 | 0 |
|
1153 | 0 | // That might have ended up wrapping us already, due to the wonders |
1154 | 0 | // of XBL. Check for that, and bail out as needed. |
1155 | 0 | aReflector.set(aCache->GetWrapper()); |
1156 | 0 | if (aReflector) { |
1157 | | #ifdef DEBUG |
1158 | | AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); |
1159 | | #endif // DEBUG |
1160 | | return true; |
1161 | 0 | } |
1162 | 0 |
|
1163 | 0 | JSAutoRealm ar(aCx, global); |
1164 | 0 | JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx); |
1165 | 0 | if (!canonicalProto) { |
1166 | 0 | return false; |
1167 | 0 | } |
1168 | 0 | JS::Rooted<JSObject*> proto(aCx); |
1169 | 0 | if (aGivenProto) { |
1170 | 0 | proto = aGivenProto; |
1171 | 0 | // Unfortunately, while aGivenProto was in the compartment of aCx |
1172 | 0 | // coming in, we changed compartments to that of "parent" so may need |
1173 | 0 | // to wrap the proto here. |
1174 | 0 | if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) { |
1175 | 0 | if (!JS_WrapObject(aCx, &proto)) { |
1176 | 0 | return false; |
1177 | 0 | } |
1178 | 0 | } |
1179 | 0 | } else { |
1180 | 0 | proto = canonicalProto; |
1181 | 0 | } |
1182 | 0 |
|
1183 | 0 | BindingJSObjectCreator<mozilla::dom::Worker> creator(aCx); |
1184 | 0 | creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); |
1185 | 0 | if (!aReflector) { |
1186 | 0 | return false; |
1187 | 0 | } |
1188 | 0 | |
1189 | 0 | aCache->SetWrapper(aReflector); |
1190 | 0 | creator.InitializationSucceeded(); |
1191 | 0 |
|
1192 | 0 | MOZ_ASSERT(aCache->GetWrapperPreserveColor() && |
1193 | 0 | aCache->GetWrapperPreserveColor() == aReflector); |
1194 | 0 | // If proto != canonicalProto, we have to preserve our wrapper; |
1195 | 0 | // otherwise we won't be able to properly recreate it later, since |
1196 | 0 | // we won't know what proto to use. Note that we don't check |
1197 | 0 | // aGivenProto here, since it's entirely possible (and even |
1198 | 0 | // somewhat common) to have a non-null aGivenProto which is the |
1199 | 0 | // same as canonicalProto. |
1200 | 0 | if (proto != canonicalProto) { |
1201 | 0 | PreserveWrapper(aObject); |
1202 | 0 | } |
1203 | 0 |
|
1204 | 0 | return true; |
1205 | 0 | } |
1206 | | |
1207 | | const NativePropertyHooks sNativePropertyHooks[] = { { |
1208 | | nullptr, |
1209 | | nullptr, |
1210 | | nullptr, |
1211 | | { sNativeProperties.Upcast(), nullptr }, |
1212 | | prototypes::id::Worker, |
1213 | | constructors::id::Worker, |
1214 | | EventTarget_Binding::sNativePropertyHooks, |
1215 | | &DefaultXrayExpandoObjectClass |
1216 | | } }; |
1217 | | |
1218 | | void |
1219 | | CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal) |
1220 | 0 | { |
1221 | 0 | JS::Handle<JSObject*> parentProto(EventTarget_Binding::GetProtoObjectHandle(aCx)); |
1222 | 0 | if (!parentProto) { |
1223 | 0 | return; |
1224 | 0 | } |
1225 | 0 | |
1226 | 0 | JS::Handle<JSObject*> constructorProto(EventTarget_Binding::GetConstructorObjectHandle(aCx)); |
1227 | 0 | if (!constructorProto) { |
1228 | 0 | return; |
1229 | 0 | } |
1230 | 0 | |
1231 | 0 | static bool sIdsInited = false; |
1232 | 0 | if (!sIdsInited && NS_IsMainThread()) { |
1233 | 0 | if (!InitIds(aCx, sNativeProperties.Upcast())) { |
1234 | 0 | return; |
1235 | 0 | } |
1236 | 0 | sIdsInited = true; |
1237 | 0 | } |
1238 | 0 |
|
1239 | 0 | JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::Worker); |
1240 | 0 | JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::Worker); |
1241 | 0 | dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, |
1242 | 0 | &sPrototypeClass.mBase, protoCache, |
1243 | 0 | nullptr, |
1244 | 0 | constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr, |
1245 | 0 | interfaceCache, |
1246 | 0 | sNativeProperties.Upcast(), |
1247 | 0 | nullptr, |
1248 | 0 | "Worker", aDefineOnGlobal, |
1249 | 0 | nullptr, |
1250 | 0 | false); |
1251 | 0 | } |
1252 | | |
1253 | | JSObject* |
1254 | | GetProtoObject(JSContext* aCx) |
1255 | 0 | { |
1256 | 0 | return GetProtoObjectHandle(aCx); |
1257 | 0 | } |
1258 | | |
1259 | | JSObject* |
1260 | | GetConstructorObject(JSContext* aCx) |
1261 | 0 | { |
1262 | 0 | return GetConstructorObjectHandle(aCx); |
1263 | 0 | } |
1264 | | |
1265 | | } // namespace Worker_Binding |
1266 | | |
1267 | | |
1268 | | |
1269 | | } // namespace dom |
1270 | | } // namespace mozilla |