Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM PerformanceEntryEvent.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "AtomList.h"
4 : #include "EventBinding.h"
5 : #include "PerformanceEntryEventBinding.h"
6 : #include "WrapperFactory.h"
7 : #include "mozilla/FloatingPoint.h"
8 : #include "mozilla/OwningNonNull.h"
9 : #include "mozilla/dom/BindingUtils.h"
10 : #include "mozilla/dom/DOMJSClass.h"
11 : #include "mozilla/dom/NonRefcountedDOMObject.h"
12 : #include "mozilla/dom/PerformanceEntryEvent.h"
13 : #include "mozilla/dom/PrimitiveConversions.h"
14 : #include "mozilla/dom/ScriptSettings.h"
15 : #include "mozilla/dom/SimpleGlobalObject.h"
16 : #include "mozilla/dom/XrayExpandoClass.h"
17 : #include "nsContentUtils.h"
18 :
19 : namespace mozilla {
20 : namespace dom {
21 :
22 :
23 0 : PerformanceEntryEventInit::PerformanceEntryEventInit()
24 0 : : EventInit(FastDictionaryInitializer())
25 : {
26 : // Safe to pass a null context if we pass a null value
27 0 : Init(nullptr, JS::NullHandleValue);
28 0 : }
29 :
30 :
31 :
32 : bool
33 0 : PerformanceEntryEventInit::InitIds(JSContext* cx, PerformanceEntryEventInitAtoms* atomsCache)
34 : {
35 0 : MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
36 :
37 : // Initialize these in reverse order so that any failure leaves the first one
38 : // uninitialized.
39 0 : if (!atomsCache->startTime_id.init(cx, "startTime") ||
40 0 : !atomsCache->origin_id.init(cx, "origin") ||
41 0 : !atomsCache->name_id.init(cx, "name") ||
42 0 : !atomsCache->epoch_id.init(cx, "epoch") ||
43 0 : !atomsCache->entryType_id.init(cx, "entryType") ||
44 0 : !atomsCache->duration_id.init(cx, "duration")) {
45 0 : return false;
46 : }
47 0 : return true;
48 : }
49 :
50 : bool
51 0 : PerformanceEntryEventInit::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 : PerformanceEntryEventInitAtoms* atomsCache = nullptr;
59 0 : if (cx) {
60 0 : atomsCache = GetAtomCache<PerformanceEntryEventInitAtoms>(cx);
61 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
62 0 : return false;
63 : }
64 : }
65 :
66 : // Per spec, we init the parent's members first
67 0 : if (!EventInit::Init(cx, val)) {
68 0 : return false;
69 : }
70 :
71 0 : bool isNull = val.isNullOrUndefined();
72 : // We only need these if !isNull, in which case we have |cx|.
73 0 : Maybe<JS::Rooted<JSObject *> > object;
74 0 : Maybe<JS::Rooted<JS::Value> > temp;
75 0 : if (!isNull) {
76 0 : MOZ_ASSERT(cx);
77 0 : object.emplace(cx, &val.toObject());
78 0 : temp.emplace(cx);
79 : }
80 0 : if (!isNull) {
81 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->duration_id, temp.ptr())) {
82 0 : return false;
83 : }
84 : }
85 0 : if (!isNull && !temp->isUndefined()) {
86 0 : if (!ValueToPrimitive<double, eDefault>(cx, temp.ref(), &mDuration)) {
87 0 : return false;
88 0 : } else if (!mozilla::IsFinite(mDuration)) {
89 0 : ThrowErrorMessage(cx, MSG_NOT_FINITE, "'duration' member of PerformanceEntryEventInit");
90 0 : return false;
91 : }
92 : } else {
93 0 : mDuration = 0.0;
94 : }
95 0 : mIsAnyMemberPresent = true;
96 :
97 0 : if (!isNull) {
98 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->entryType_id, temp.ptr())) {
99 0 : return false;
100 : }
101 : }
102 0 : if (!isNull && !temp->isUndefined()) {
103 0 : if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mEntryType)) {
104 0 : return false;
105 : }
106 : } else {
107 : static const char16_t data[] = { 0 };
108 0 : mEntryType.Rebind(data, ArrayLength(data) - 1);
109 : }
110 0 : mIsAnyMemberPresent = true;
111 :
112 0 : if (!isNull) {
113 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->epoch_id, temp.ptr())) {
114 0 : return false;
115 : }
116 : }
117 0 : if (!isNull && !temp->isUndefined()) {
118 0 : if (!ValueToPrimitive<double, eDefault>(cx, temp.ref(), &mEpoch)) {
119 0 : return false;
120 0 : } else if (!mozilla::IsFinite(mEpoch)) {
121 0 : ThrowErrorMessage(cx, MSG_NOT_FINITE, "'epoch' member of PerformanceEntryEventInit");
122 0 : return false;
123 : }
124 : } else {
125 0 : mEpoch = 0.0;
126 : }
127 0 : mIsAnyMemberPresent = true;
128 :
129 0 : if (!isNull) {
130 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->name_id, temp.ptr())) {
131 0 : return false;
132 : }
133 : }
134 0 : if (!isNull && !temp->isUndefined()) {
135 0 : if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mName)) {
136 0 : return false;
137 : }
138 : } else {
139 : static const char16_t data[] = { 0 };
140 0 : mName.Rebind(data, ArrayLength(data) - 1);
141 : }
142 0 : mIsAnyMemberPresent = true;
143 :
144 0 : if (!isNull) {
145 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->origin_id, temp.ptr())) {
146 0 : return false;
147 : }
148 : }
149 0 : if (!isNull && !temp->isUndefined()) {
150 0 : if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mOrigin)) {
151 0 : return false;
152 : }
153 : } else {
154 : static const char16_t data[] = { 0 };
155 0 : mOrigin.Rebind(data, ArrayLength(data) - 1);
156 : }
157 0 : mIsAnyMemberPresent = true;
158 :
159 0 : if (!isNull) {
160 0 : if (!JS_GetPropertyById(cx, *object, atomsCache->startTime_id, temp.ptr())) {
161 0 : return false;
162 : }
163 : }
164 0 : if (!isNull && !temp->isUndefined()) {
165 0 : if (!ValueToPrimitive<double, eDefault>(cx, temp.ref(), &mStartTime)) {
166 0 : return false;
167 0 : } else if (!mozilla::IsFinite(mStartTime)) {
168 0 : ThrowErrorMessage(cx, MSG_NOT_FINITE, "'startTime' member of PerformanceEntryEventInit");
169 0 : return false;
170 : }
171 : } else {
172 0 : mStartTime = 0.0;
173 : }
174 0 : mIsAnyMemberPresent = true;
175 0 : return true;
176 : }
177 :
178 : bool
179 0 : PerformanceEntryEventInit::Init(const nsAString& aJSON)
180 : {
181 0 : AutoJSAPI jsapi;
182 0 : JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
183 0 : if (!cleanGlobal) {
184 0 : return false;
185 : }
186 0 : if (!jsapi.Init(cleanGlobal)) {
187 0 : return false;
188 : }
189 0 : JSContext* cx = jsapi.cx();
190 0 : JS::Rooted<JS::Value> json(cx);
191 0 : bool ok = ParseJSON(cx, aJSON, &json);
192 0 : NS_ENSURE_TRUE(ok, false);
193 0 : return Init(cx, json);
194 : }
195 :
196 : bool
197 0 : PerformanceEntryEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
198 : {
199 0 : PerformanceEntryEventInitAtoms* atomsCache = GetAtomCache<PerformanceEntryEventInitAtoms>(cx);
200 0 : if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
201 0 : return false;
202 : }
203 :
204 : // Per spec, we define the parent's members first
205 0 : if (!EventInit::ToObjectInternal(cx, rval)) {
206 0 : return false;
207 : }
208 0 : JS::Rooted<JSObject*> obj(cx, &rval.toObject());
209 :
210 : do {
211 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
212 0 : JS::Rooted<JS::Value> temp(cx);
213 0 : double const & currentValue = mDuration;
214 0 : temp.set(JS_NumberValue(double(currentValue)));
215 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->duration_id, temp, JSPROP_ENUMERATE)) {
216 0 : return false;
217 : }
218 0 : break;
219 : } while(0);
220 :
221 : do {
222 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
223 0 : JS::Rooted<JS::Value> temp(cx);
224 0 : nsString const & currentValue = mEntryType;
225 0 : if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
226 0 : return false;
227 : }
228 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->entryType_id, temp, JSPROP_ENUMERATE)) {
229 0 : return false;
230 : }
231 0 : break;
232 : } while(0);
233 :
234 : do {
235 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
236 0 : JS::Rooted<JS::Value> temp(cx);
237 0 : double const & currentValue = mEpoch;
238 0 : temp.set(JS_NumberValue(double(currentValue)));
239 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->epoch_id, temp, JSPROP_ENUMERATE)) {
240 0 : return false;
241 : }
242 0 : break;
243 : } while(0);
244 :
245 : do {
246 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
247 0 : JS::Rooted<JS::Value> temp(cx);
248 0 : nsString const & currentValue = mName;
249 0 : if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
250 0 : return false;
251 : }
252 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->name_id, temp, JSPROP_ENUMERATE)) {
253 0 : return false;
254 : }
255 0 : break;
256 : } while(0);
257 :
258 : do {
259 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
260 0 : JS::Rooted<JS::Value> temp(cx);
261 0 : nsString const & currentValue = mOrigin;
262 0 : if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
263 0 : return false;
264 : }
265 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->origin_id, temp, JSPROP_ENUMERATE)) {
266 0 : return false;
267 : }
268 0 : break;
269 : } while(0);
270 :
271 : do {
272 : // block for our 'break' successCode and scope for 'temp' and 'currentValue'
273 0 : JS::Rooted<JS::Value> temp(cx);
274 0 : double const & currentValue = mStartTime;
275 0 : temp.set(JS_NumberValue(double(currentValue)));
276 0 : if (!JS_DefinePropertyById(cx, obj, atomsCache->startTime_id, temp, JSPROP_ENUMERATE)) {
277 0 : return false;
278 : }
279 0 : break;
280 : } while(0);
281 :
282 0 : return true;
283 : }
284 :
285 : bool
286 0 : PerformanceEntryEventInit::ToJSON(nsAString& aJSON) const
287 : {
288 0 : AutoJSAPI jsapi;
289 0 : jsapi.Init();
290 0 : JSContext *cx = jsapi.cx();
291 : // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
292 : // because we'll only be creating objects, in ways that have no
293 : // side-effects, followed by a call to JS::ToJSONMaybeSafely,
294 : // which likewise guarantees no side-effects for the sorts of
295 : // things we will pass it.
296 0 : JSAutoCompartment ac(cx, binding_detail::UnprivilegedJunkScopeOrWorkerGlobal());
297 0 : JS::Rooted<JS::Value> val(cx);
298 0 : if (!ToObjectInternal(cx, &val)) {
299 0 : return false;
300 : }
301 0 : JS::Rooted<JSObject*> obj(cx, &val.toObject());
302 0 : return StringifyToJSON(cx, obj, aJSON);
303 : }
304 :
305 : void
306 0 : PerformanceEntryEventInit::TraceDictionary(JSTracer* trc)
307 : {
308 0 : EventInit::TraceDictionary(trc);
309 0 : }
310 :
311 : PerformanceEntryEventInit&
312 0 : PerformanceEntryEventInit::operator=(const PerformanceEntryEventInit& aOther)
313 : {
314 0 : EventInit::operator=(aOther);
315 0 : mDuration = aOther.mDuration;
316 0 : mEntryType = aOther.mEntryType;
317 0 : mEpoch = aOther.mEpoch;
318 0 : mName = aOther.mName;
319 0 : mOrigin = aOther.mOrigin;
320 0 : mStartTime = aOther.mStartTime;
321 0 : return *this;
322 : }
323 :
324 : namespace binding_detail {
325 : } // namespace binding_detail
326 :
327 :
328 : namespace PerformanceEntryEventBinding {
329 :
330 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<EventBinding::NativeType>::value,
331 : "Can't inherit from an interface with a different ownership model.");
332 :
333 : static bool
334 0 : get_name(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::PerformanceEntryEvent* self, JSJitGetterCallArgs args)
335 : {
336 0 : DOMString result;
337 0 : self->GetName(result);
338 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
339 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
340 0 : return false;
341 : }
342 0 : return true;
343 : }
344 :
345 : static const JSJitInfo name_getterinfo = {
346 : { (JSJitGetterOp)get_name },
347 : { prototypes::id::PerformanceEntryEvent },
348 : { PrototypeTraits<prototypes::id::PerformanceEntryEvent>::Depth },
349 : JSJitInfo::Getter,
350 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
351 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
352 : false, /* isInfallible. False in setters. */
353 : false, /* isMovable. Not relevant for setters. */
354 : false, /* isEliminatable. Not relevant for setters. */
355 : false, /* isAlwaysInSlot. Only relevant for getters. */
356 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
357 : false, /* isTypedMethod. Only relevant for methods. */
358 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
359 : };
360 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
361 : static_assert(0 < 1, "There is no slot for us");
362 :
363 : static bool
364 0 : get_entryType(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::PerformanceEntryEvent* self, JSJitGetterCallArgs args)
365 : {
366 0 : DOMString result;
367 0 : self->GetEntryType(result);
368 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
369 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
370 0 : return false;
371 : }
372 0 : return true;
373 : }
374 :
375 : static const JSJitInfo entryType_getterinfo = {
376 : { (JSJitGetterOp)get_entryType },
377 : { prototypes::id::PerformanceEntryEvent },
378 : { PrototypeTraits<prototypes::id::PerformanceEntryEvent>::Depth },
379 : JSJitInfo::Getter,
380 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
381 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
382 : false, /* isInfallible. False in setters. */
383 : false, /* isMovable. Not relevant for setters. */
384 : false, /* isEliminatable. Not relevant for setters. */
385 : false, /* isAlwaysInSlot. Only relevant for getters. */
386 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
387 : false, /* isTypedMethod. Only relevant for methods. */
388 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
389 : };
390 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
391 : static_assert(0 < 1, "There is no slot for us");
392 :
393 : static bool
394 0 : get_startTime(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::PerformanceEntryEvent* self, JSJitGetterCallArgs args)
395 : {
396 0 : double result(self->StartTime());
397 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
398 0 : args.rval().set(JS_NumberValue(double(result)));
399 0 : return true;
400 : }
401 :
402 : static const JSJitInfo startTime_getterinfo = {
403 : { (JSJitGetterOp)get_startTime },
404 : { prototypes::id::PerformanceEntryEvent },
405 : { PrototypeTraits<prototypes::id::PerformanceEntryEvent>::Depth },
406 : JSJitInfo::Getter,
407 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
408 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
409 : true, /* isInfallible. False in setters. */
410 : false, /* isMovable. Not relevant for setters. */
411 : false, /* isEliminatable. Not relevant for setters. */
412 : false, /* isAlwaysInSlot. Only relevant for getters. */
413 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
414 : false, /* isTypedMethod. Only relevant for methods. */
415 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
416 : };
417 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
418 : static_assert(0 < 1, "There is no slot for us");
419 :
420 : static bool
421 0 : get_duration(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::PerformanceEntryEvent* self, JSJitGetterCallArgs args)
422 : {
423 0 : double result(self->Duration());
424 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
425 0 : args.rval().set(JS_NumberValue(double(result)));
426 0 : return true;
427 : }
428 :
429 : static const JSJitInfo duration_getterinfo = {
430 : { (JSJitGetterOp)get_duration },
431 : { prototypes::id::PerformanceEntryEvent },
432 : { PrototypeTraits<prototypes::id::PerformanceEntryEvent>::Depth },
433 : JSJitInfo::Getter,
434 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
435 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
436 : true, /* isInfallible. False in setters. */
437 : false, /* isMovable. Not relevant for setters. */
438 : false, /* isEliminatable. Not relevant for setters. */
439 : false, /* isAlwaysInSlot. Only relevant for getters. */
440 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
441 : false, /* isTypedMethod. Only relevant for methods. */
442 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
443 : };
444 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
445 : static_assert(0 < 1, "There is no slot for us");
446 :
447 : static bool
448 0 : get_epoch(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::PerformanceEntryEvent* self, JSJitGetterCallArgs args)
449 : {
450 0 : double result(self->Epoch());
451 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
452 0 : args.rval().set(JS_NumberValue(double(result)));
453 0 : return true;
454 : }
455 :
456 : static const JSJitInfo epoch_getterinfo = {
457 : { (JSJitGetterOp)get_epoch },
458 : { prototypes::id::PerformanceEntryEvent },
459 : { PrototypeTraits<prototypes::id::PerformanceEntryEvent>::Depth },
460 : JSJitInfo::Getter,
461 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
462 : JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
463 : true, /* isInfallible. False in setters. */
464 : false, /* isMovable. Not relevant for setters. */
465 : false, /* isEliminatable. Not relevant for setters. */
466 : false, /* isAlwaysInSlot. Only relevant for getters. */
467 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
468 : false, /* isTypedMethod. Only relevant for methods. */
469 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
470 : };
471 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
472 : static_assert(0 < 1, "There is no slot for us");
473 :
474 : static bool
475 0 : get_origin(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::PerformanceEntryEvent* self, JSJitGetterCallArgs args)
476 : {
477 0 : DOMString result;
478 0 : self->GetOrigin(result);
479 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
480 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
481 0 : return false;
482 : }
483 0 : return true;
484 : }
485 :
486 : static const JSJitInfo origin_getterinfo = {
487 : { (JSJitGetterOp)get_origin },
488 : { prototypes::id::PerformanceEntryEvent },
489 : { PrototypeTraits<prototypes::id::PerformanceEntryEvent>::Depth },
490 : JSJitInfo::Getter,
491 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
492 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
493 : false, /* isInfallible. False in setters. */
494 : false, /* isMovable. Not relevant for setters. */
495 : false, /* isEliminatable. Not relevant for setters. */
496 : false, /* isAlwaysInSlot. Only relevant for getters. */
497 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
498 : false, /* isTypedMethod. Only relevant for methods. */
499 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
500 : };
501 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
502 : static_assert(0 < 1, "There is no slot for us");
503 :
504 : static bool
505 0 : get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::PerformanceEntryEvent* self, JSJitGetterCallArgs args)
506 : {
507 0 : bool result(self->IsTrusted());
508 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
509 0 : args.rval().setBoolean(result);
510 0 : return true;
511 : }
512 :
513 : static const JSJitInfo isTrusted_getterinfo = {
514 : { (JSJitGetterOp)get_isTrusted },
515 : { prototypes::id::PerformanceEntryEvent },
516 : { PrototypeTraits<prototypes::id::PerformanceEntryEvent>::Depth },
517 : JSJitInfo::Getter,
518 : JSJitInfo::AliasDOMSets, /* aliasSet. Not relevant for setters. */
519 : JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
520 : true, /* isInfallible. False in setters. */
521 : true, /* isMovable. Not relevant for setters. */
522 : true, /* isEliminatable. Not relevant for setters. */
523 : false, /* isAlwaysInSlot. Only relevant for getters. */
524 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
525 : false, /* isTypedMethod. Only relevant for methods. */
526 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
527 : };
528 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
529 : static_assert(0 < 1, "There is no slot for us");
530 :
531 : static bool
532 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
533 : {
534 0 : mozilla::dom::PerformanceEntryEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::PerformanceEntryEvent>(obj);
535 : // We don't want to preserve if we don't have a wrapper, and we
536 : // obviously can't preserve if we're not initialized.
537 0 : if (self && self->GetWrapperPreserveColor()) {
538 0 : PreserveWrapper(self);
539 : }
540 0 : return true;
541 : }
542 :
543 : static void
544 0 : _finalize(js::FreeOp* fop, JSObject* obj)
545 : {
546 0 : mozilla::dom::PerformanceEntryEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::PerformanceEntryEvent>(obj);
547 0 : if (self) {
548 0 : ClearWrapper(self, self, obj);
549 0 : AddForDeferredFinalization<mozilla::dom::PerformanceEntryEvent>(self);
550 : }
551 0 : }
552 :
553 : static void
554 0 : _objectMoved(JSObject* obj, const JSObject* old)
555 : {
556 0 : mozilla::dom::PerformanceEntryEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::PerformanceEntryEvent>(obj);
557 0 : if (self) {
558 0 : UpdateWrapper(self, self, obj, old);
559 : }
560 0 : }
561 :
562 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
563 : #if defined(__clang__)
564 : #pragma clang diagnostic push
565 : #pragma clang diagnostic ignored "-Wmissing-braces"
566 : #endif
567 : static const JSPropertySpec sAttributes_specs[] = {
568 : { "name", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &name_getterinfo, nullptr, nullptr },
569 : { "entryType", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &entryType_getterinfo, nullptr, nullptr },
570 : { "startTime", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &startTime_getterinfo, nullptr, nullptr },
571 : { "duration", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &duration_getterinfo, nullptr, nullptr },
572 : { "epoch", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &epoch_getterinfo, nullptr, nullptr },
573 : { "origin", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &origin_getterinfo, nullptr, nullptr },
574 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
575 : };
576 : #if defined(__clang__)
577 : #pragma clang diagnostic pop
578 : #endif
579 :
580 :
581 : // Can't be const because the pref-enabled boolean needs to be writable
582 : static Prefable<const JSPropertySpec> sAttributes[] = {
583 : { nullptr, &sAttributes_specs[0] },
584 : { nullptr, nullptr }
585 : };
586 :
587 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
588 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
589 : static_assert(6 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
590 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
591 :
592 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
593 : #if defined(__clang__)
594 : #pragma clang diagnostic push
595 : #pragma clang diagnostic ignored "-Wmissing-braces"
596 : #endif
597 : static const JSPropertySpec sUnforgeableAttributes_specs[] = {
598 : { "isTrusted", JSPROP_SHARED | JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericBindingGetter, &isTrusted_getterinfo, nullptr, nullptr },
599 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
600 : };
601 : #if defined(__clang__)
602 : #pragma clang diagnostic pop
603 : #endif
604 :
605 :
606 : // Can't be const because the pref-enabled boolean needs to be writable
607 : static Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
608 : { nullptr, &sUnforgeableAttributes_specs[0] },
609 : { nullptr, nullptr }
610 : };
611 :
612 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
613 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
614 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
615 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
616 :
617 :
618 : static uint16_t sNativeProperties_sortedPropertyIndices[7];
619 : static PropertyInfo sNativeProperties_propertyInfos[7];
620 :
621 : static const NativePropertiesN<2> sNativeProperties = {
622 : false, 0,
623 : false, 0,
624 : false, 0,
625 : true, 0 /* sAttributes */,
626 : false, 0,
627 : true, 1 /* sUnforgeableAttributes */,
628 : false, 0,
629 : -1,
630 : 7,
631 : sNativeProperties_sortedPropertyIndices,
632 : {
633 : { sAttributes, &sNativeProperties_propertyInfos[0] },
634 : { sUnforgeableAttributes, &sNativeProperties_propertyInfos[6] }
635 : }
636 : };
637 : static_assert(7 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
638 : "We have a property info count that is oversized");
639 :
640 : static bool
641 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
642 : {
643 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
644 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
645 0 : if (!args.isConstructing()) {
646 : // XXXbz wish I could get the name from the callee instead of
647 : // Adding more relocations
648 0 : return ThrowConstructorWithoutNew(cx, "PerformanceEntryEvent");
649 : }
650 :
651 0 : GlobalObject global(cx, obj);
652 0 : if (global.Failed()) {
653 0 : return false;
654 : }
655 :
656 0 : JS::Rooted<JSObject*> desiredProto(cx);
657 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
658 0 : return false;
659 : }
660 :
661 0 : if (MOZ_UNLIKELY(args.length() < 1)) {
662 0 : return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "PerformanceEntryEvent");
663 : }
664 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
665 0 : binding_detail::FakeString arg0;
666 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
667 0 : return false;
668 : }
669 0 : binding_detail::FastPerformanceEntryEventInit arg1;
670 0 : if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2 of PerformanceEntryEvent.constructor", false)) {
671 0 : return false;
672 : }
673 0 : Maybe<JSAutoCompartment> ac;
674 0 : if (objIsXray) {
675 0 : obj = js::CheckedUnwrap(obj);
676 0 : if (!obj) {
677 0 : return false;
678 : }
679 0 : ac.emplace(cx, obj);
680 0 : if (!JS_WrapObject(cx, &desiredProto)) {
681 0 : return false;
682 : }
683 : }
684 0 : binding_detail::FastErrorResult rv;
685 0 : auto result(StrongOrRawPtr<mozilla::dom::PerformanceEntryEvent>(mozilla::dom::PerformanceEntryEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
686 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
687 0 : return false;
688 : }
689 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
690 : static_assert(!IsPointer<decltype(result)>::value,
691 : "NewObject implies that we need to keep the object alive with a strong reference.");
692 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
693 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
694 0 : return false;
695 : }
696 0 : return true;
697 : }
698 :
699 : static const js::ClassOps sInterfaceObjectClassOps = {
700 : nullptr, /* addProperty */
701 : nullptr, /* delProperty */
702 : nullptr, /* getProperty */
703 : nullptr, /* setProperty */
704 : nullptr, /* enumerate */
705 : nullptr, /* newEnumerate */
706 : nullptr, /* resolve */
707 : nullptr, /* mayResolve */
708 : nullptr, /* finalize */
709 : _constructor, /* call */
710 : nullptr, /* hasInstance */
711 : _constructor, /* construct */
712 : nullptr, /* trace */
713 : };
714 :
715 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
716 : {
717 : "Function",
718 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
719 : &sInterfaceObjectClassOps,
720 : JS_NULL_CLASS_SPEC,
721 : JS_NULL_CLASS_EXT,
722 : &sInterfaceObjectClassObjectOps
723 : },
724 : eInterface,
725 : true,
726 : prototypes::id::PerformanceEntryEvent,
727 : PrototypeTraits<prototypes::id::PerformanceEntryEvent>::Depth,
728 : sNativePropertyHooks,
729 : "function PerformanceEntryEvent() {\n [native code]\n}",
730 : EventBinding::GetConstructorObject
731 : };
732 :
733 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
734 : {
735 : "PerformanceEntryEventPrototype",
736 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
737 : JS_NULL_CLASS_OPS,
738 : JS_NULL_CLASS_SPEC,
739 : JS_NULL_CLASS_EXT,
740 : JS_NULL_OBJECT_OPS
741 : },
742 : eInterfacePrototype,
743 : false,
744 : prototypes::id::PerformanceEntryEvent,
745 : PrototypeTraits<prototypes::id::PerformanceEntryEvent>::Depth,
746 : sNativePropertyHooks,
747 : "[object PerformanceEntryEventPrototype]",
748 : EventBinding::GetProtoObject
749 : };
750 :
751 : bool
752 0 : ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
753 : {
754 0 : return nsContentUtils::ThreadsafeIsSystemCaller(aCx);
755 : }
756 :
757 : JSObject*
758 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
759 : {
760 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
761 : }
762 :
763 : static const js::ClassOps sClassOps = {
764 : _addProperty, /* addProperty */
765 : nullptr, /* delProperty */
766 : nullptr, /* getProperty */
767 : nullptr, /* setProperty */
768 : nullptr, /* enumerate */
769 : nullptr, /* newEnumerate */
770 : nullptr, /* resolve */
771 : nullptr, /* mayResolve */
772 : _finalize, /* finalize */
773 : nullptr, /* call */
774 : nullptr, /* hasInstance */
775 : nullptr, /* construct */
776 : nullptr, /* trace */
777 : };
778 :
779 : static const js::ClassExtension sClassExtension = {
780 : nullptr, /* weakmapKeyDelegateOp */
781 : _objectMoved /* objectMovedOp */
782 : };
783 :
784 : static const DOMJSClass sClass = {
785 : { "PerformanceEntryEvent",
786 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
787 : &sClassOps,
788 : JS_NULL_CLASS_SPEC,
789 : &sClassExtension,
790 : JS_NULL_OBJECT_OPS
791 : },
792 : { prototypes::id::Event, prototypes::id::PerformanceEntryEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
793 : IsBaseOf<nsISupports, mozilla::dom::PerformanceEntryEvent >::value,
794 : sNativePropertyHooks,
795 : FindAssociatedGlobalForNative<mozilla::dom::PerformanceEntryEvent>::Get,
796 : GetProtoObjectHandle,
797 : GetCCParticipant<mozilla::dom::PerformanceEntryEvent>::Get()
798 : };
799 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
800 : "Must have the right minimal number of reserved slots.");
801 : static_assert(1 >= 1,
802 : "Must have enough reserved slots.");
803 :
804 : const JSClass*
805 0 : GetJSClass()
806 : {
807 0 : return sClass.ToJSClass();
808 : }
809 :
810 : bool
811 0 : Wrap(JSContext* aCx, mozilla::dom::PerformanceEntryEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
812 : {
813 : MOZ_ASSERT(static_cast<mozilla::dom::PerformanceEntryEvent*>(aObject) ==
814 : reinterpret_cast<mozilla::dom::PerformanceEntryEvent*>(aObject),
815 : "Multiple inheritance for mozilla::dom::PerformanceEntryEvent is broken.");
816 : MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
817 : reinterpret_cast<mozilla::dom::Event*>(aObject),
818 : "Multiple inheritance for mozilla::dom::Event is broken.");
819 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
820 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
821 0 : MOZ_ASSERT(!aCache->GetWrapper(),
822 : "You should probably not be using Wrap() directly; use "
823 : "GetOrCreateDOMReflector instead");
824 :
825 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
826 : "nsISupports must be on our primary inheritance chain");
827 :
828 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
829 0 : if (!global) {
830 0 : return false;
831 : }
832 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
833 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
834 :
835 : // That might have ended up wrapping us already, due to the wonders
836 : // of XBL. Check for that, and bail out as needed.
837 0 : aReflector.set(aCache->GetWrapper());
838 0 : if (aReflector) {
839 : #ifdef DEBUG
840 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
841 : #endif // DEBUG
842 0 : return true;
843 : }
844 :
845 0 : JSAutoCompartment ac(aCx, global);
846 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
847 0 : if (!canonicalProto) {
848 0 : return false;
849 : }
850 0 : JS::Rooted<JSObject*> proto(aCx);
851 0 : if (aGivenProto) {
852 0 : proto = aGivenProto;
853 : // Unfortunately, while aGivenProto was in the compartment of aCx
854 : // coming in, we changed compartments to that of "parent" so may need
855 : // to wrap the proto here.
856 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
857 0 : if (!JS_WrapObject(aCx, &proto)) {
858 0 : return false;
859 : }
860 : }
861 : } else {
862 0 : proto = canonicalProto;
863 : }
864 :
865 0 : BindingJSObjectCreator<mozilla::dom::PerformanceEntryEvent> creator(aCx);
866 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
867 0 : if (!aReflector) {
868 0 : return false;
869 : }
870 :
871 0 : aCache->SetWrapper(aReflector);
872 :
873 : // Important: do unforgeable property setup after we have handed
874 : // over ownership of the C++ object to obj as needed, so that if
875 : // we fail and it ends up GCed it won't have problems in the
876 : // finalizer trying to drop its ownership of the C++ object.
877 : JS::Rooted<JSObject*> unforgeableHolder(aCx,
878 0 : &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
879 0 : if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
880 0 : aCache->ReleaseWrapper(aObject);
881 0 : aCache->ClearWrapper();
882 0 : return false;
883 : }
884 0 : creator.InitializationSucceeded();
885 :
886 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
887 : aCache->GetWrapperPreserveColor() == aReflector);
888 : // If proto != canonicalProto, we have to preserve our wrapper;
889 : // otherwise we won't be able to properly recreate it later, since
890 : // we won't know what proto to use. Note that we don't check
891 : // aGivenProto here, since it's entirely possible (and even
892 : // somewhat common) to have a non-null aGivenProto which is the
893 : // same as canonicalProto.
894 0 : if (proto != canonicalProto) {
895 0 : PreserveWrapper(aObject);
896 : }
897 :
898 0 : return true;
899 : }
900 :
901 : const NativePropertyHooks sNativePropertyHooks[] = { {
902 : nullptr,
903 : nullptr,
904 : nullptr,
905 : { sNativeProperties.Upcast(), nullptr },
906 : prototypes::id::PerformanceEntryEvent,
907 : constructors::id::PerformanceEntryEvent,
908 : EventBinding::sNativePropertyHooks,
909 : &DefaultXrayExpandoObjectClass
910 : } };
911 :
912 : void
913 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
914 : {
915 0 : JS::Handle<JSObject*> parentProto(EventBinding::GetProtoObjectHandle(aCx));
916 0 : if (!parentProto) {
917 0 : return;
918 : }
919 :
920 0 : JS::Handle<JSObject*> constructorProto(EventBinding::GetConstructorObjectHandle(aCx));
921 0 : if (!constructorProto) {
922 0 : return;
923 : }
924 :
925 : static bool sIdsInited = false;
926 0 : if (!sIdsInited && NS_IsMainThread()) {
927 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
928 0 : return;
929 : }
930 0 : sIdsInited = true;
931 : }
932 :
933 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::PerformanceEntryEvent);
934 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::PerformanceEntryEvent);
935 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
936 : &sPrototypeClass.mBase, protoCache,
937 : constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
938 : interfaceCache,
939 : sNativeProperties.Upcast(),
940 : nullptr,
941 : "PerformanceEntryEvent", aDefineOnGlobal,
942 : nullptr,
943 0 : false);
944 :
945 0 : JS::Rooted<JSObject*> unforgeableHolder(aCx);
946 : {
947 0 : JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
948 0 : unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
949 0 : if (!unforgeableHolder) {
950 0 : *protoCache = nullptr;
951 0 : if (interfaceCache) {
952 0 : *interfaceCache = nullptr;
953 : }
954 0 : return;
955 : }
956 : }
957 :
958 0 : if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
959 0 : *protoCache = nullptr;
960 0 : if (interfaceCache) {
961 0 : *interfaceCache = nullptr;
962 : }
963 0 : return;
964 : }
965 :
966 0 : if (*protoCache) {
967 0 : js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
968 0 : JS::ObjectValue(*unforgeableHolder));
969 : }
970 : }
971 :
972 : JS::Handle<JSObject*>
973 0 : GetProtoObjectHandle(JSContext* aCx)
974 : {
975 : /* Get the interface prototype object for this class. This will create the
976 : object as needed. */
977 0 : bool aDefineOnGlobal = true;
978 :
979 : /* Make sure our global is sane. Hopefully we can remove this sometime */
980 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
981 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
982 0 : return nullptr;
983 : }
984 :
985 : /* Check to see whether the interface objects are already installed */
986 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
987 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::PerformanceEntryEvent)) {
988 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
989 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
990 : }
991 :
992 : /*
993 : * The object might _still_ be null, but that's OK.
994 : *
995 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
996 : * traced by TraceProtoAndIfaceCache() and its contents are never
997 : * changed after they have been set.
998 : *
999 : * Calling address() avoids the read read barrier that does gray
1000 : * unmarking, but it's not possible for the object to be gray here.
1001 : */
1002 :
1003 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::PerformanceEntryEvent);
1004 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
1005 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
1006 : }
1007 :
1008 : JS::Handle<JSObject*>
1009 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
1010 : {
1011 : /* Get the interface object for this class. This will create the object as
1012 : needed. */
1013 :
1014 : /* Make sure our global is sane. Hopefully we can remove this sometime */
1015 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
1016 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
1017 0 : return nullptr;
1018 : }
1019 :
1020 : /* Check to see whether the interface objects are already installed */
1021 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
1022 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::PerformanceEntryEvent)) {
1023 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
1024 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
1025 : }
1026 :
1027 : /*
1028 : * The object might _still_ be null, but that's OK.
1029 : *
1030 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
1031 : * traced by TraceProtoAndIfaceCache() and its contents are never
1032 : * changed after they have been set.
1033 : *
1034 : * Calling address() avoids the read read barrier that does gray
1035 : * unmarking, but it's not possible for the object to be gray here.
1036 : */
1037 :
1038 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::PerformanceEntryEvent);
1039 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
1040 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
1041 : }
1042 :
1043 : JSObject*
1044 0 : GetConstructorObject(JSContext* aCx)
1045 : {
1046 0 : return GetConstructorObjectHandle(aCx);
1047 : }
1048 :
1049 : } // namespace PerformanceEntryEventBinding
1050 :
1051 :
1052 :
1053 : } // namespace dom
1054 : } // namespace mozilla
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