Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM Comment.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "CharacterDataBinding.h"
4 : #include "CommentBinding.h"
5 : #include "WrapperFactory.h"
6 : #include "mozilla/OwningNonNull.h"
7 : #include "mozilla/dom/BindingUtils.h"
8 : #include "mozilla/dom/Comment.h"
9 : #include "mozilla/dom/DOMJSClass.h"
10 : #include "mozilla/dom/NonRefcountedDOMObject.h"
11 : #include "mozilla/dom/XrayExpandoClass.h"
12 : #include "nsISupports.h"
13 : #include "xpcjsid.h"
14 :
15 : namespace mozilla {
16 : namespace dom {
17 :
18 : namespace CommentBinding {
19 :
20 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<CharacterDataBinding::NativeType>::value,
21 : "Can't inherit from an interface with a different ownership model.");
22 :
23 : static bool
24 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
25 : {
26 0 : mozilla::dom::Comment* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::Comment>(obj);
27 : // We don't want to preserve if we don't have a wrapper, and we
28 : // obviously can't preserve if we're not initialized.
29 0 : if (self && self->GetWrapperPreserveColor()) {
30 0 : PreserveWrapper(self);
31 : }
32 0 : return true;
33 : }
34 :
35 : static void
36 0 : _finalize(js::FreeOp* fop, JSObject* obj)
37 : {
38 0 : mozilla::dom::Comment* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::Comment>(obj);
39 0 : if (self) {
40 0 : ClearWrapper(self, self, obj);
41 0 : AddForDeferredFinalization<mozilla::dom::Comment>(self);
42 : }
43 0 : }
44 :
45 : static void
46 0 : _objectMoved(JSObject* obj, const JSObject* old)
47 : {
48 0 : mozilla::dom::Comment* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::Comment>(obj);
49 0 : if (self) {
50 0 : UpdateWrapper(self, self, obj, old);
51 : }
52 0 : }
53 :
54 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
55 : #if defined(__clang__)
56 : #pragma clang diagnostic push
57 : #pragma clang diagnostic ignored "-Wmissing-braces"
58 : #endif
59 : static const JSFunctionSpec sMethods_specs[] = {
60 : JS_FNSPEC("QueryInterface", QueryInterface, nullptr, 1, 0, nullptr),
61 : JS_FS_END
62 : };
63 : #if defined(__clang__)
64 : #pragma clang diagnostic pop
65 : #endif
66 :
67 : static PrefableDisablers sMethods_disablers0 = {
68 : true, false, 0, &WantsQueryInterface<mozilla::dom::Comment>::Enabled
69 : };
70 :
71 : // Can't be const because the pref-enabled boolean needs to be writable
72 : static Prefable<const JSFunctionSpec> sMethods[] = {
73 : { &sMethods_disablers0, &sMethods_specs[0] },
74 : { nullptr, nullptr }
75 : };
76 :
77 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
78 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
79 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
80 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
81 :
82 :
83 : static uint16_t sNativeProperties_sortedPropertyIndices[1];
84 : static PropertyInfo sNativeProperties_propertyInfos[1];
85 :
86 : static const NativePropertiesN<1> sNativeProperties = {
87 : false, 0,
88 : false, 0,
89 : true, 0 /* sMethods */,
90 : false, 0,
91 : false, 0,
92 : false, 0,
93 : false, 0,
94 : -1,
95 : 1,
96 : sNativeProperties_sortedPropertyIndices,
97 : {
98 : { sMethods, &sNativeProperties_propertyInfos[0] }
99 : }
100 : };
101 : static_assert(1 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
102 : "We have a property info count that is oversized");
103 :
104 : static bool
105 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
106 : {
107 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
108 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
109 0 : if (!args.isConstructing()) {
110 : // XXXbz wish I could get the name from the callee instead of
111 : // Adding more relocations
112 0 : return ThrowConstructorWithoutNew(cx, "Comment");
113 : }
114 :
115 0 : GlobalObject global(cx, obj);
116 0 : if (global.Failed()) {
117 0 : return false;
118 : }
119 :
120 0 : JS::Rooted<JSObject*> desiredProto(cx);
121 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
122 0 : return false;
123 : }
124 :
125 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
126 0 : binding_detail::FakeString arg0;
127 0 : if (args.hasDefined(0)) {
128 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
129 0 : return false;
130 : }
131 : } else {
132 : static const char16_t data[] = { 0 };
133 0 : arg0.Rebind(data, ArrayLength(data) - 1);
134 : }
135 0 : Maybe<JSAutoCompartment> ac;
136 0 : if (objIsXray) {
137 0 : obj = js::CheckedUnwrap(obj);
138 0 : if (!obj) {
139 0 : return false;
140 : }
141 0 : ac.emplace(cx, obj);
142 0 : if (!JS_WrapObject(cx, &desiredProto)) {
143 0 : return false;
144 : }
145 : }
146 0 : binding_detail::FastErrorResult rv;
147 0 : auto result(StrongOrRawPtr<mozilla::dom::Comment>(mozilla::dom::Comment::Constructor(global, NonNullHelper(Constify(arg0)), rv)));
148 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
149 0 : return false;
150 : }
151 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
152 : static_assert(!IsPointer<decltype(result)>::value,
153 : "NewObject implies that we need to keep the object alive with a strong reference.");
154 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
155 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
156 0 : return false;
157 : }
158 0 : return true;
159 : }
160 :
161 : static const js::ClassOps sInterfaceObjectClassOps = {
162 : nullptr, /* addProperty */
163 : nullptr, /* delProperty */
164 : nullptr, /* getProperty */
165 : nullptr, /* setProperty */
166 : nullptr, /* enumerate */
167 : nullptr, /* newEnumerate */
168 : nullptr, /* resolve */
169 : nullptr, /* mayResolve */
170 : nullptr, /* finalize */
171 : _constructor, /* call */
172 : nullptr, /* hasInstance */
173 : _constructor, /* construct */
174 : nullptr, /* trace */
175 : };
176 :
177 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
178 : {
179 : "Function",
180 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
181 : &sInterfaceObjectClassOps,
182 : JS_NULL_CLASS_SPEC,
183 : JS_NULL_CLASS_EXT,
184 : &sInterfaceObjectClassObjectOps
185 : },
186 : eInterface,
187 : true,
188 : prototypes::id::Comment,
189 : PrototypeTraits<prototypes::id::Comment>::Depth,
190 : sNativePropertyHooks,
191 : "function Comment() {\n [native code]\n}",
192 : CharacterDataBinding::GetConstructorObject
193 : };
194 :
195 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
196 : {
197 : "CommentPrototype",
198 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
199 : JS_NULL_CLASS_OPS,
200 : JS_NULL_CLASS_SPEC,
201 : JS_NULL_CLASS_EXT,
202 : JS_NULL_OBJECT_OPS
203 : },
204 : eInterfacePrototype,
205 : false,
206 : prototypes::id::Comment,
207 : PrototypeTraits<prototypes::id::Comment>::Depth,
208 : sNativePropertyHooks,
209 : "[object CommentPrototype]",
210 : CharacterDataBinding::GetProtoObject
211 : };
212 :
213 : JSObject*
214 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
215 : {
216 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
217 : }
218 :
219 : static const js::ClassOps sClassOps = {
220 : _addProperty, /* addProperty */
221 : nullptr, /* delProperty */
222 : nullptr, /* getProperty */
223 : nullptr, /* setProperty */
224 : nullptr, /* enumerate */
225 : nullptr, /* newEnumerate */
226 : nullptr, /* resolve */
227 : nullptr, /* mayResolve */
228 : _finalize, /* finalize */
229 : nullptr, /* call */
230 : nullptr, /* hasInstance */
231 : nullptr, /* construct */
232 : nullptr, /* trace */
233 : };
234 :
235 : static const js::ClassExtension sClassExtension = {
236 : nullptr, /* weakmapKeyDelegateOp */
237 : _objectMoved /* objectMovedOp */
238 : };
239 :
240 : static const DOMJSClass sClass = {
241 : { "Comment",
242 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
243 : &sClassOps,
244 : JS_NULL_CLASS_SPEC,
245 : &sClassExtension,
246 : JS_NULL_OBJECT_OPS
247 : },
248 : { prototypes::id::EventTarget, prototypes::id::Node, prototypes::id::CharacterData, prototypes::id::Comment, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
249 : IsBaseOf<nsISupports, mozilla::dom::Comment >::value,
250 : sNativePropertyHooks,
251 : FindAssociatedGlobalForNative<mozilla::dom::Comment>::Get,
252 : GetProtoObjectHandle,
253 : GetCCParticipant<mozilla::dom::Comment>::Get()
254 : };
255 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
256 : "Must have the right minimal number of reserved slots.");
257 : static_assert(1 >= 1,
258 : "Must have enough reserved slots.");
259 :
260 : const JSClass*
261 0 : GetJSClass()
262 : {
263 0 : return sClass.ToJSClass();
264 : }
265 :
266 : bool
267 0 : Wrap(JSContext* aCx, mozilla::dom::Comment* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
268 : {
269 : MOZ_ASSERT(static_cast<mozilla::dom::Comment*>(aObject) ==
270 : reinterpret_cast<mozilla::dom::Comment*>(aObject),
271 : "Multiple inheritance for mozilla::dom::Comment is broken.");
272 : MOZ_ASSERT(static_cast<nsGenericDOMDataNode*>(aObject) ==
273 : reinterpret_cast<nsGenericDOMDataNode*>(aObject),
274 : "Multiple inheritance for nsGenericDOMDataNode is broken.");
275 : MOZ_ASSERT(static_cast<nsINode*>(aObject) ==
276 : reinterpret_cast<nsINode*>(aObject),
277 : "Multiple inheritance for nsINode is broken.");
278 : MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
279 : reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
280 : "Multiple inheritance for mozilla::dom::EventTarget is broken.");
281 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
282 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
283 0 : MOZ_ASSERT(!aCache->GetWrapper(),
284 : "You should probably not be using Wrap() directly; use "
285 : "GetOrCreateDOMReflector instead");
286 :
287 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
288 : "nsISupports must be on our primary inheritance chain");
289 :
290 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
291 0 : if (!global) {
292 0 : return false;
293 : }
294 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
295 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
296 :
297 : // That might have ended up wrapping us already, due to the wonders
298 : // of XBL. Check for that, and bail out as needed.
299 0 : aReflector.set(aCache->GetWrapper());
300 0 : if (aReflector) {
301 : #ifdef DEBUG
302 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
303 : #endif // DEBUG
304 0 : return true;
305 : }
306 :
307 0 : JSAutoCompartment ac(aCx, global);
308 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
309 0 : if (!canonicalProto) {
310 0 : return false;
311 : }
312 0 : JS::Rooted<JSObject*> proto(aCx);
313 0 : if (aGivenProto) {
314 0 : proto = aGivenProto;
315 : // Unfortunately, while aGivenProto was in the compartment of aCx
316 : // coming in, we changed compartments to that of "parent" so may need
317 : // to wrap the proto here.
318 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
319 0 : if (!JS_WrapObject(aCx, &proto)) {
320 0 : return false;
321 : }
322 : }
323 : } else {
324 0 : proto = canonicalProto;
325 : }
326 :
327 0 : BindingJSObjectCreator<mozilla::dom::Comment> creator(aCx);
328 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
329 0 : if (!aReflector) {
330 0 : return false;
331 : }
332 :
333 0 : aCache->SetWrapper(aReflector);
334 0 : creator.InitializationSucceeded();
335 :
336 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
337 : aCache->GetWrapperPreserveColor() == aReflector);
338 : // If proto != canonicalProto, we have to preserve our wrapper;
339 : // otherwise we won't be able to properly recreate it later, since
340 : // we won't know what proto to use. Note that we don't check
341 : // aGivenProto here, since it's entirely possible (and even
342 : // somewhat common) to have a non-null aGivenProto which is the
343 : // same as canonicalProto.
344 0 : if (proto != canonicalProto) {
345 0 : PreserveWrapper(aObject);
346 : }
347 :
348 0 : return true;
349 : }
350 :
351 : const NativePropertyHooks sNativePropertyHooks[] = { {
352 : nullptr,
353 : nullptr,
354 : nullptr,
355 : { sNativeProperties.Upcast(), nullptr },
356 : prototypes::id::Comment,
357 : constructors::id::Comment,
358 : CharacterDataBinding::sNativePropertyHooks,
359 : &DefaultXrayExpandoObjectClass
360 : } };
361 :
362 : void
363 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
364 : {
365 0 : JS::Handle<JSObject*> parentProto(CharacterDataBinding::GetProtoObjectHandle(aCx));
366 0 : if (!parentProto) {
367 0 : return;
368 : }
369 :
370 0 : JS::Handle<JSObject*> constructorProto(CharacterDataBinding::GetConstructorObjectHandle(aCx));
371 0 : if (!constructorProto) {
372 0 : return;
373 : }
374 :
375 : static bool sIdsInited = false;
376 0 : if (!sIdsInited && NS_IsMainThread()) {
377 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
378 0 : return;
379 : }
380 0 : sIdsInited = true;
381 : }
382 :
383 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::Comment);
384 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::Comment);
385 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
386 : &sPrototypeClass.mBase, protoCache,
387 : constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
388 : interfaceCache,
389 : sNativeProperties.Upcast(),
390 : nullptr,
391 : "Comment", aDefineOnGlobal,
392 : nullptr,
393 0 : false);
394 : }
395 :
396 : JS::Handle<JSObject*>
397 0 : GetProtoObjectHandle(JSContext* aCx)
398 : {
399 : /* Get the interface prototype object for this class. This will create the
400 : object as needed. */
401 0 : bool aDefineOnGlobal = true;
402 :
403 : /* Make sure our global is sane. Hopefully we can remove this sometime */
404 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
405 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
406 0 : return nullptr;
407 : }
408 :
409 : /* Check to see whether the interface objects are already installed */
410 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
411 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::Comment)) {
412 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
413 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
414 : }
415 :
416 : /*
417 : * The object might _still_ be null, but that's OK.
418 : *
419 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
420 : * traced by TraceProtoAndIfaceCache() and its contents are never
421 : * changed after they have been set.
422 : *
423 : * Calling address() avoids the read read barrier that does gray
424 : * unmarking, but it's not possible for the object to be gray here.
425 : */
426 :
427 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::Comment);
428 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
429 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
430 : }
431 :
432 : JS::Handle<JSObject*>
433 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
434 : {
435 : /* Get the interface object for this class. This will create the object as
436 : needed. */
437 :
438 : /* Make sure our global is sane. Hopefully we can remove this sometime */
439 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
440 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
441 0 : return nullptr;
442 : }
443 :
444 : /* Check to see whether the interface objects are already installed */
445 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
446 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::Comment)) {
447 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
448 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
449 : }
450 :
451 : /*
452 : * The object might _still_ be null, but that's OK.
453 : *
454 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
455 : * traced by TraceProtoAndIfaceCache() and its contents are never
456 : * changed after they have been set.
457 : *
458 : * Calling address() avoids the read read barrier that does gray
459 : * unmarking, but it's not possible for the object to be gray here.
460 : */
461 :
462 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::Comment);
463 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
464 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
465 : }
466 :
467 : JSObject*
468 0 : GetConstructorObject(JSContext* aCx)
469 : {
470 0 : return GetConstructorObjectHandle(aCx);
471 : }
472 :
473 : } // namespace CommentBinding
474 :
475 :
476 :
477 : } // namespace dom
478 : } // namespace mozilla
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