Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM SVGUseElement.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "SVGGraphicsElementBinding.h"
4 : #include "SVGUseElementBinding.h"
5 : #include "WrapperFactory.h"
6 : #include "mozilla/OwningNonNull.h"
7 : #include "mozilla/dom/BindingUtils.h"
8 : #include "mozilla/dom/DOMJSClass.h"
9 : #include "mozilla/dom/NonRefcountedDOMObject.h"
10 : #include "mozilla/dom/SVGAnimatedLength.h"
11 : #include "mozilla/dom/SVGAnimatedString.h"
12 : #include "mozilla/dom/SVGUseElement.h"
13 : #include "mozilla/dom/XrayExpandoClass.h"
14 :
15 : namespace mozilla {
16 : namespace dom {
17 :
18 : namespace SVGUseElementBinding {
19 :
20 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<SVGGraphicsElementBinding::NativeType>::value,
21 : "Can't inherit from an interface with a different ownership model.");
22 :
23 : static bool
24 0 : get_x(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SVGUseElement* self, JSJitGetterCallArgs args)
25 : {
26 0 : auto result(StrongOrRawPtr<mozilla::dom::SVGAnimatedLength>(self->X()));
27 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
28 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
29 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
30 0 : return false;
31 : }
32 0 : return true;
33 : }
34 :
35 : static const JSJitInfo x_getterinfo = {
36 : { (JSJitGetterOp)get_x },
37 : { prototypes::id::SVGUseElement },
38 : { PrototypeTraits<prototypes::id::SVGUseElement>::Depth },
39 : JSJitInfo::Getter,
40 : JSJitInfo::AliasNone, /* aliasSet. Not relevant for setters. */
41 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
42 : false, /* isInfallible. False in setters. */
43 : true, /* isMovable. Not relevant for setters. */
44 : true, /* isEliminatable. Not relevant for setters. */
45 : false, /* isAlwaysInSlot. Only relevant for getters. */
46 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
47 : false, /* isTypedMethod. Only relevant for methods. */
48 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
49 : };
50 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
51 : static_assert(0 < 1, "There is no slot for us");
52 :
53 : static bool
54 0 : get_y(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SVGUseElement* self, JSJitGetterCallArgs args)
55 : {
56 0 : auto result(StrongOrRawPtr<mozilla::dom::SVGAnimatedLength>(self->Y()));
57 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
58 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
59 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
60 0 : return false;
61 : }
62 0 : return true;
63 : }
64 :
65 : static const JSJitInfo y_getterinfo = {
66 : { (JSJitGetterOp)get_y },
67 : { prototypes::id::SVGUseElement },
68 : { PrototypeTraits<prototypes::id::SVGUseElement>::Depth },
69 : JSJitInfo::Getter,
70 : JSJitInfo::AliasNone, /* aliasSet. Not relevant for setters. */
71 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
72 : false, /* isInfallible. False in setters. */
73 : true, /* isMovable. Not relevant for setters. */
74 : true, /* isEliminatable. Not relevant for setters. */
75 : false, /* isAlwaysInSlot. Only relevant for getters. */
76 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
77 : false, /* isTypedMethod. Only relevant for methods. */
78 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
79 : };
80 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
81 : static_assert(0 < 1, "There is no slot for us");
82 :
83 : static bool
84 0 : get_width(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SVGUseElement* self, JSJitGetterCallArgs args)
85 : {
86 0 : auto result(StrongOrRawPtr<mozilla::dom::SVGAnimatedLength>(self->Width()));
87 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
88 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
89 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
90 0 : return false;
91 : }
92 0 : return true;
93 : }
94 :
95 : static const JSJitInfo width_getterinfo = {
96 : { (JSJitGetterOp)get_width },
97 : { prototypes::id::SVGUseElement },
98 : { PrototypeTraits<prototypes::id::SVGUseElement>::Depth },
99 : JSJitInfo::Getter,
100 : JSJitInfo::AliasNone, /* aliasSet. Not relevant for setters. */
101 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
102 : false, /* isInfallible. False in setters. */
103 : true, /* isMovable. Not relevant for setters. */
104 : true, /* isEliminatable. Not relevant for setters. */
105 : false, /* isAlwaysInSlot. Only relevant for getters. */
106 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
107 : false, /* isTypedMethod. Only relevant for methods. */
108 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
109 : };
110 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
111 : static_assert(0 < 1, "There is no slot for us");
112 :
113 : static bool
114 0 : get_height(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SVGUseElement* self, JSJitGetterCallArgs args)
115 : {
116 0 : auto result(StrongOrRawPtr<mozilla::dom::SVGAnimatedLength>(self->Height()));
117 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
118 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
119 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
120 0 : return false;
121 : }
122 0 : return true;
123 : }
124 :
125 : static const JSJitInfo height_getterinfo = {
126 : { (JSJitGetterOp)get_height },
127 : { prototypes::id::SVGUseElement },
128 : { PrototypeTraits<prototypes::id::SVGUseElement>::Depth },
129 : JSJitInfo::Getter,
130 : JSJitInfo::AliasNone, /* aliasSet. Not relevant for setters. */
131 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
132 : false, /* isInfallible. False in setters. */
133 : true, /* isMovable. Not relevant for setters. */
134 : true, /* isEliminatable. Not relevant for setters. */
135 : false, /* isAlwaysInSlot. Only relevant for getters. */
136 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
137 : false, /* isTypedMethod. Only relevant for methods. */
138 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
139 : };
140 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
141 : static_assert(0 < 1, "There is no slot for us");
142 :
143 : static bool
144 0 : get_href(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::SVGUseElement* self, JSJitGetterCallArgs args)
145 : {
146 0 : auto result(StrongOrRawPtr<mozilla::dom::SVGAnimatedString>(self->Href()));
147 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
148 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
149 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
150 0 : return false;
151 : }
152 0 : return true;
153 : }
154 :
155 : static const JSJitInfo href_getterinfo = {
156 : { (JSJitGetterOp)get_href },
157 : { prototypes::id::SVGUseElement },
158 : { PrototypeTraits<prototypes::id::SVGUseElement>::Depth },
159 : JSJitInfo::Getter,
160 : JSJitInfo::AliasNone, /* aliasSet. Not relevant for setters. */
161 : JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */
162 : false, /* isInfallible. False in setters. */
163 : true, /* isMovable. Not relevant for setters. */
164 : true, /* isEliminatable. Not relevant for setters. */
165 : false, /* isAlwaysInSlot. Only relevant for getters. */
166 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
167 : false, /* isTypedMethod. Only relevant for methods. */
168 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
169 : };
170 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
171 : static_assert(0 < 1, "There is no slot for us");
172 :
173 : static bool
174 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
175 : {
176 0 : mozilla::dom::SVGUseElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SVGUseElement>(obj);
177 : // We don't want to preserve if we don't have a wrapper, and we
178 : // obviously can't preserve if we're not initialized.
179 0 : if (self && self->GetWrapperPreserveColor()) {
180 0 : PreserveWrapper(self);
181 : }
182 0 : return true;
183 : }
184 :
185 : static void
186 0 : _finalize(js::FreeOp* fop, JSObject* obj)
187 : {
188 0 : mozilla::dom::SVGUseElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SVGUseElement>(obj);
189 0 : if (self) {
190 0 : ClearWrapper(self, self, obj);
191 0 : AddForDeferredFinalization<mozilla::dom::SVGUseElement>(self);
192 : }
193 0 : }
194 :
195 : static void
196 0 : _objectMoved(JSObject* obj, const JSObject* old)
197 : {
198 0 : mozilla::dom::SVGUseElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::SVGUseElement>(obj);
199 0 : if (self) {
200 0 : UpdateWrapper(self, self, obj, old);
201 : }
202 0 : }
203 :
204 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
205 : #if defined(__clang__)
206 : #pragma clang diagnostic push
207 : #pragma clang diagnostic ignored "-Wmissing-braces"
208 : #endif
209 : static const JSPropertySpec sAttributes_specs[] = {
210 : { "x", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &x_getterinfo, nullptr, nullptr },
211 : { "y", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &y_getterinfo, nullptr, nullptr },
212 : { "width", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &width_getterinfo, nullptr, nullptr },
213 : { "height", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &height_getterinfo, nullptr, nullptr },
214 : { "href", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &href_getterinfo, nullptr, nullptr },
215 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
216 : };
217 : #if defined(__clang__)
218 : #pragma clang diagnostic pop
219 : #endif
220 :
221 :
222 : // Can't be const because the pref-enabled boolean needs to be writable
223 : static Prefable<const JSPropertySpec> sAttributes[] = {
224 : { nullptr, &sAttributes_specs[0] },
225 : { nullptr, nullptr }
226 : };
227 :
228 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
229 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
230 : static_assert(5 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
231 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
232 :
233 :
234 : static uint16_t sNativeProperties_sortedPropertyIndices[5];
235 : static PropertyInfo sNativeProperties_propertyInfos[5];
236 :
237 : static const NativePropertiesN<1> sNativeProperties = {
238 : false, 0,
239 : false, 0,
240 : false, 0,
241 : true, 0 /* sAttributes */,
242 : false, 0,
243 : false, 0,
244 : false, 0,
245 : -1,
246 : 5,
247 : sNativeProperties_sortedPropertyIndices,
248 : {
249 : { sAttributes, &sNativeProperties_propertyInfos[0] }
250 : }
251 : };
252 : static_assert(5 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
253 : "We have a property info count that is oversized");
254 :
255 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
256 : {
257 : "Function",
258 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
259 : &sBoringInterfaceObjectClassClassOps,
260 : JS_NULL_CLASS_SPEC,
261 : JS_NULL_CLASS_EXT,
262 : &sInterfaceObjectClassObjectOps
263 : },
264 : eInterface,
265 : true,
266 : prototypes::id::SVGUseElement,
267 : PrototypeTraits<prototypes::id::SVGUseElement>::Depth,
268 : sNativePropertyHooks,
269 : "function SVGUseElement() {\n [native code]\n}",
270 : SVGGraphicsElementBinding::GetConstructorObject
271 : };
272 :
273 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
274 : {
275 : "SVGUseElementPrototype",
276 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
277 : JS_NULL_CLASS_OPS,
278 : JS_NULL_CLASS_SPEC,
279 : JS_NULL_CLASS_EXT,
280 : JS_NULL_OBJECT_OPS
281 : },
282 : eInterfacePrototype,
283 : false,
284 : prototypes::id::SVGUseElement,
285 : PrototypeTraits<prototypes::id::SVGUseElement>::Depth,
286 : sNativePropertyHooks,
287 : "[object SVGUseElementPrototype]",
288 : SVGGraphicsElementBinding::GetProtoObject
289 : };
290 :
291 : JSObject*
292 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
293 : {
294 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
295 : }
296 :
297 : static const js::ClassOps sClassOps = {
298 : _addProperty, /* addProperty */
299 : nullptr, /* delProperty */
300 : nullptr, /* getProperty */
301 : nullptr, /* setProperty */
302 : nullptr, /* enumerate */
303 : nullptr, /* newEnumerate */
304 : nullptr, /* resolve */
305 : nullptr, /* mayResolve */
306 : _finalize, /* finalize */
307 : nullptr, /* call */
308 : nullptr, /* hasInstance */
309 : nullptr, /* construct */
310 : nullptr, /* trace */
311 : };
312 :
313 : static const js::ClassExtension sClassExtension = {
314 : nullptr, /* weakmapKeyDelegateOp */
315 : _objectMoved /* objectMovedOp */
316 : };
317 :
318 : static const DOMJSClass sClass = {
319 : { "SVGUseElement",
320 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
321 : &sClassOps,
322 : JS_NULL_CLASS_SPEC,
323 : &sClassExtension,
324 : JS_NULL_OBJECT_OPS
325 : },
326 : { prototypes::id::EventTarget, prototypes::id::Node, prototypes::id::Element, prototypes::id::SVGElement, prototypes::id::SVGGraphicsElement, prototypes::id::SVGUseElement, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
327 : IsBaseOf<nsISupports, mozilla::dom::SVGUseElement >::value,
328 : sNativePropertyHooks,
329 : FindAssociatedGlobalForNative<mozilla::dom::SVGUseElement>::Get,
330 : GetProtoObjectHandle,
331 : GetCCParticipant<mozilla::dom::SVGUseElement>::Get()
332 : };
333 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
334 : "Must have the right minimal number of reserved slots.");
335 : static_assert(1 >= 1,
336 : "Must have enough reserved slots.");
337 :
338 : const JSClass*
339 0 : GetJSClass()
340 : {
341 0 : return sClass.ToJSClass();
342 : }
343 :
344 : bool
345 0 : Wrap(JSContext* aCx, mozilla::dom::SVGUseElement* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
346 : {
347 : MOZ_ASSERT(static_cast<mozilla::dom::SVGUseElement*>(aObject) ==
348 : reinterpret_cast<mozilla::dom::SVGUseElement*>(aObject),
349 : "Multiple inheritance for mozilla::dom::SVGUseElement is broken.");
350 : MOZ_ASSERT(static_cast<mozilla::dom::SVGGraphicsElement*>(aObject) ==
351 : reinterpret_cast<mozilla::dom::SVGGraphicsElement*>(aObject),
352 : "Multiple inheritance for mozilla::dom::SVGGraphicsElement is broken.");
353 : MOZ_ASSERT(static_cast<nsSVGElement*>(aObject) ==
354 : reinterpret_cast<nsSVGElement*>(aObject),
355 : "Multiple inheritance for nsSVGElement is broken.");
356 : MOZ_ASSERT(static_cast<mozilla::dom::Element*>(aObject) ==
357 : reinterpret_cast<mozilla::dom::Element*>(aObject),
358 : "Multiple inheritance for mozilla::dom::Element is broken.");
359 : MOZ_ASSERT(static_cast<nsINode*>(aObject) ==
360 : reinterpret_cast<nsINode*>(aObject),
361 : "Multiple inheritance for nsINode is broken.");
362 : MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
363 : reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
364 : "Multiple inheritance for mozilla::dom::EventTarget is broken.");
365 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
366 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
367 0 : MOZ_ASSERT(!aCache->GetWrapper(),
368 : "You should probably not be using Wrap() directly; use "
369 : "GetOrCreateDOMReflector instead");
370 :
371 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
372 : "nsISupports must be on our primary inheritance chain");
373 :
374 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
375 0 : if (!global) {
376 0 : return false;
377 : }
378 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
379 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
380 :
381 : // That might have ended up wrapping us already, due to the wonders
382 : // of XBL. Check for that, and bail out as needed.
383 0 : aReflector.set(aCache->GetWrapper());
384 0 : if (aReflector) {
385 : #ifdef DEBUG
386 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
387 : #endif // DEBUG
388 0 : return true;
389 : }
390 :
391 0 : JSAutoCompartment ac(aCx, global);
392 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
393 0 : if (!canonicalProto) {
394 0 : return false;
395 : }
396 0 : JS::Rooted<JSObject*> proto(aCx);
397 0 : if (aGivenProto) {
398 0 : proto = aGivenProto;
399 : // Unfortunately, while aGivenProto was in the compartment of aCx
400 : // coming in, we changed compartments to that of "parent" so may need
401 : // to wrap the proto here.
402 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
403 0 : if (!JS_WrapObject(aCx, &proto)) {
404 0 : return false;
405 : }
406 : }
407 : } else {
408 0 : proto = canonicalProto;
409 : }
410 :
411 0 : BindingJSObjectCreator<mozilla::dom::SVGUseElement> creator(aCx);
412 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
413 0 : if (!aReflector) {
414 0 : return false;
415 : }
416 :
417 0 : aCache->SetWrapper(aReflector);
418 0 : creator.InitializationSucceeded();
419 :
420 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
421 : aCache->GetWrapperPreserveColor() == aReflector);
422 : // If proto != canonicalProto, we have to preserve our wrapper;
423 : // otherwise we won't be able to properly recreate it later, since
424 : // we won't know what proto to use. Note that we don't check
425 : // aGivenProto here, since it's entirely possible (and even
426 : // somewhat common) to have a non-null aGivenProto which is the
427 : // same as canonicalProto.
428 0 : if (proto != canonicalProto) {
429 0 : PreserveWrapper(aObject);
430 : }
431 :
432 0 : return true;
433 : }
434 :
435 : const NativePropertyHooks sNativePropertyHooks[] = { {
436 : nullptr,
437 : nullptr,
438 : nullptr,
439 : { sNativeProperties.Upcast(), nullptr },
440 : prototypes::id::SVGUseElement,
441 : constructors::id::SVGUseElement,
442 : SVGGraphicsElementBinding::sNativePropertyHooks,
443 : &DefaultXrayExpandoObjectClass
444 : } };
445 :
446 : void
447 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
448 : {
449 0 : JS::Handle<JSObject*> parentProto(SVGGraphicsElementBinding::GetProtoObjectHandle(aCx));
450 0 : if (!parentProto) {
451 0 : return;
452 : }
453 :
454 0 : JS::Handle<JSObject*> constructorProto(SVGGraphicsElementBinding::GetConstructorObjectHandle(aCx));
455 0 : if (!constructorProto) {
456 0 : return;
457 : }
458 :
459 : static bool sIdsInited = false;
460 0 : if (!sIdsInited && NS_IsMainThread()) {
461 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
462 0 : return;
463 : }
464 0 : sIdsInited = true;
465 : }
466 :
467 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::SVGUseElement);
468 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::SVGUseElement);
469 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
470 : &sPrototypeClass.mBase, protoCache,
471 : constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
472 : interfaceCache,
473 : sNativeProperties.Upcast(),
474 : nullptr,
475 : "SVGUseElement", aDefineOnGlobal,
476 : nullptr,
477 0 : false);
478 : }
479 :
480 : JS::Handle<JSObject*>
481 0 : GetProtoObjectHandle(JSContext* aCx)
482 : {
483 : /* Get the interface prototype object for this class. This will create the
484 : object as needed. */
485 0 : bool aDefineOnGlobal = true;
486 :
487 : /* Make sure our global is sane. Hopefully we can remove this sometime */
488 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
489 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
490 0 : return nullptr;
491 : }
492 :
493 : /* Check to see whether the interface objects are already installed */
494 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
495 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::SVGUseElement)) {
496 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
497 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
498 : }
499 :
500 : /*
501 : * The object might _still_ be null, but that's OK.
502 : *
503 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
504 : * traced by TraceProtoAndIfaceCache() and its contents are never
505 : * changed after they have been set.
506 : *
507 : * Calling address() avoids the read read barrier that does gray
508 : * unmarking, but it's not possible for the object to be gray here.
509 : */
510 :
511 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::SVGUseElement);
512 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
513 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
514 : }
515 :
516 : JS::Handle<JSObject*>
517 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
518 : {
519 : /* Get the interface object for this class. This will create the object as
520 : needed. */
521 :
522 : /* Make sure our global is sane. Hopefully we can remove this sometime */
523 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
524 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
525 0 : return nullptr;
526 : }
527 :
528 : /* Check to see whether the interface objects are already installed */
529 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
530 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::SVGUseElement)) {
531 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
532 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
533 : }
534 :
535 : /*
536 : * The object might _still_ be null, but that's OK.
537 : *
538 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
539 : * traced by TraceProtoAndIfaceCache() and its contents are never
540 : * changed after they have been set.
541 : *
542 : * Calling address() avoids the read read barrier that does gray
543 : * unmarking, but it's not possible for the object to be gray here.
544 : */
545 :
546 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::SVGUseElement);
547 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
548 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
549 : }
550 :
551 : JSObject*
552 0 : GetConstructorObject(JSContext* aCx)
553 : {
554 0 : return GetConstructorObjectHandle(aCx);
555 : }
556 :
557 : } // namespace SVGUseElementBinding
558 :
559 :
560 :
561 : } // namespace dom
562 : } // namespace mozilla
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