Line data Source code
1 : /* THIS FILE IS AUTOGENERATED FROM HTMLHRElement.webidl BY Codegen.py - DO NOT EDIT */
2 :
3 : #include "HTMLElementBinding.h"
4 : #include "HTMLHRElementBinding.h"
5 : #include "WrapperFactory.h"
6 : #include "mozilla/OwningNonNull.h"
7 : #include "mozilla/dom/BindingUtils.h"
8 : #include "mozilla/dom/CustomElementRegistry.h"
9 : #include "mozilla/dom/DOMJSClass.h"
10 : #include "mozilla/dom/HTMLHRElement.h"
11 : #include "mozilla/dom/NonRefcountedDOMObject.h"
12 : #include "mozilla/dom/PrimitiveConversions.h"
13 : #include "mozilla/dom/XrayExpandoClass.h"
14 :
15 : namespace mozilla {
16 : namespace dom {
17 :
18 : namespace HTMLHRElementBinding {
19 :
20 : static_assert(IsRefcounted<NativeType>::value == IsRefcounted<HTMLElementBinding::NativeType>::value,
21 : "Can't inherit from an interface with a different ownership model.");
22 :
23 : static bool
24 0 : get_align(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLHRElement* self, JSJitGetterCallArgs args)
25 : {
26 0 : DOMString result;
27 0 : self->GetAlign(result);
28 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
29 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
30 0 : return false;
31 : }
32 0 : return true;
33 : }
34 :
35 : static bool
36 0 : set_align(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLHRElement* self, JSJitSetterCallArgs args)
37 : {
38 0 : binding_detail::FakeString arg0;
39 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
40 0 : return false;
41 : }
42 0 : CustomElementReactionsStack* reactionsStack = GetCustomElementReactionsStack(obj);
43 0 : Maybe<AutoCEReaction> ceReaction;
44 0 : if (reactionsStack) {
45 0 : ceReaction.emplace(reactionsStack);
46 : }
47 0 : binding_detail::FastErrorResult rv;
48 0 : self->SetAlign(NonNullHelper(Constify(arg0)), rv);
49 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
50 0 : return false;
51 : }
52 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
53 :
54 0 : return true;
55 : }
56 :
57 : static const JSJitInfo align_getterinfo = {
58 : { (JSJitGetterOp)get_align },
59 : { prototypes::id::HTMLHRElement },
60 : { PrototypeTraits<prototypes::id::HTMLHRElement>::Depth },
61 : JSJitInfo::Getter,
62 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
63 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
64 : false, /* isInfallible. False in setters. */
65 : false, /* isMovable. Not relevant for setters. */
66 : false, /* isEliminatable. Not relevant for setters. */
67 : false, /* isAlwaysInSlot. Only relevant for getters. */
68 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
69 : false, /* isTypedMethod. Only relevant for methods. */
70 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
71 : };
72 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
73 : static_assert(0 < 1, "There is no slot for us");
74 : static const JSJitInfo align_setterinfo = {
75 : { (JSJitGetterOp)set_align },
76 : { prototypes::id::HTMLHRElement },
77 : { PrototypeTraits<prototypes::id::HTMLHRElement>::Depth },
78 : JSJitInfo::Setter,
79 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
80 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
81 : false, /* isInfallible. False in setters. */
82 : false, /* isMovable. Not relevant for setters. */
83 : false, /* isEliminatable. Not relevant for setters. */
84 : false, /* isAlwaysInSlot. Only relevant for getters. */
85 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
86 : false, /* isTypedMethod. Only relevant for methods. */
87 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
88 : };
89 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
90 : static_assert(0 < 1, "There is no slot for us");
91 :
92 : static bool
93 0 : get_color(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLHRElement* self, JSJitGetterCallArgs args)
94 : {
95 0 : DOMString result;
96 0 : self->GetColor(result);
97 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
98 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
99 0 : return false;
100 : }
101 0 : return true;
102 : }
103 :
104 : static bool
105 0 : set_color(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLHRElement* self, JSJitSetterCallArgs args)
106 : {
107 0 : binding_detail::FakeString arg0;
108 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
109 0 : return false;
110 : }
111 0 : CustomElementReactionsStack* reactionsStack = GetCustomElementReactionsStack(obj);
112 0 : Maybe<AutoCEReaction> ceReaction;
113 0 : if (reactionsStack) {
114 0 : ceReaction.emplace(reactionsStack);
115 : }
116 0 : binding_detail::FastErrorResult rv;
117 0 : self->SetColor(NonNullHelper(Constify(arg0)), rv);
118 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
119 0 : return false;
120 : }
121 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
122 :
123 0 : return true;
124 : }
125 :
126 : static const JSJitInfo color_getterinfo = {
127 : { (JSJitGetterOp)get_color },
128 : { prototypes::id::HTMLHRElement },
129 : { PrototypeTraits<prototypes::id::HTMLHRElement>::Depth },
130 : JSJitInfo::Getter,
131 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
132 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
133 : false, /* isInfallible. False in setters. */
134 : false, /* isMovable. Not relevant for setters. */
135 : false, /* isEliminatable. Not relevant for setters. */
136 : false, /* isAlwaysInSlot. Only relevant for getters. */
137 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
138 : false, /* isTypedMethod. Only relevant for methods. */
139 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
140 : };
141 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
142 : static_assert(0 < 1, "There is no slot for us");
143 : static const JSJitInfo color_setterinfo = {
144 : { (JSJitGetterOp)set_color },
145 : { prototypes::id::HTMLHRElement },
146 : { PrototypeTraits<prototypes::id::HTMLHRElement>::Depth },
147 : JSJitInfo::Setter,
148 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
149 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
150 : false, /* isInfallible. False in setters. */
151 : false, /* isMovable. Not relevant for setters. */
152 : false, /* isEliminatable. Not relevant for setters. */
153 : false, /* isAlwaysInSlot. Only relevant for getters. */
154 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
155 : false, /* isTypedMethod. Only relevant for methods. */
156 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
157 : };
158 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
159 : static_assert(0 < 1, "There is no slot for us");
160 :
161 : static bool
162 0 : get_noShade(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLHRElement* self, JSJitGetterCallArgs args)
163 : {
164 0 : bool result(self->NoShade());
165 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
166 0 : args.rval().setBoolean(result);
167 0 : return true;
168 : }
169 :
170 : static bool
171 0 : set_noShade(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLHRElement* self, JSJitSetterCallArgs args)
172 : {
173 : bool arg0;
174 0 : if (!ValueToPrimitive<bool, eDefault>(cx, args[0], &arg0)) {
175 0 : return false;
176 : }
177 0 : CustomElementReactionsStack* reactionsStack = GetCustomElementReactionsStack(obj);
178 0 : Maybe<AutoCEReaction> ceReaction;
179 0 : if (reactionsStack) {
180 0 : ceReaction.emplace(reactionsStack);
181 : }
182 0 : binding_detail::FastErrorResult rv;
183 0 : self->SetNoShade(arg0, rv);
184 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
185 0 : return false;
186 : }
187 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
188 :
189 0 : return true;
190 : }
191 :
192 : static const JSJitInfo noShade_getterinfo = {
193 : { (JSJitGetterOp)get_noShade },
194 : { prototypes::id::HTMLHRElement },
195 : { PrototypeTraits<prototypes::id::HTMLHRElement>::Depth },
196 : JSJitInfo::Getter,
197 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
198 : JSVAL_TYPE_BOOLEAN, /* returnType. Not relevant for setters. */
199 : true, /* isInfallible. False in setters. */
200 : false, /* isMovable. Not relevant for setters. */
201 : false, /* isEliminatable. Not relevant for setters. */
202 : false, /* isAlwaysInSlot. Only relevant for getters. */
203 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
204 : false, /* isTypedMethod. Only relevant for methods. */
205 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
206 : };
207 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
208 : static_assert(0 < 1, "There is no slot for us");
209 : static const JSJitInfo noShade_setterinfo = {
210 : { (JSJitGetterOp)set_noShade },
211 : { prototypes::id::HTMLHRElement },
212 : { PrototypeTraits<prototypes::id::HTMLHRElement>::Depth },
213 : JSJitInfo::Setter,
214 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
215 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
216 : false, /* isInfallible. False in setters. */
217 : false, /* isMovable. Not relevant for setters. */
218 : false, /* isEliminatable. Not relevant for setters. */
219 : false, /* isAlwaysInSlot. Only relevant for getters. */
220 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
221 : false, /* isTypedMethod. Only relevant for methods. */
222 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
223 : };
224 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
225 : static_assert(0 < 1, "There is no slot for us");
226 :
227 : static bool
228 0 : get_size(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLHRElement* self, JSJitGetterCallArgs args)
229 : {
230 0 : DOMString result;
231 0 : self->GetSize(result);
232 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
233 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
234 0 : return false;
235 : }
236 0 : return true;
237 : }
238 :
239 : static bool
240 0 : set_size(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLHRElement* self, JSJitSetterCallArgs args)
241 : {
242 0 : binding_detail::FakeString arg0;
243 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
244 0 : return false;
245 : }
246 0 : CustomElementReactionsStack* reactionsStack = GetCustomElementReactionsStack(obj);
247 0 : Maybe<AutoCEReaction> ceReaction;
248 0 : if (reactionsStack) {
249 0 : ceReaction.emplace(reactionsStack);
250 : }
251 0 : binding_detail::FastErrorResult rv;
252 0 : self->SetSize(NonNullHelper(Constify(arg0)), rv);
253 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
254 0 : return false;
255 : }
256 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
257 :
258 0 : return true;
259 : }
260 :
261 : static const JSJitInfo size_getterinfo = {
262 : { (JSJitGetterOp)get_size },
263 : { prototypes::id::HTMLHRElement },
264 : { PrototypeTraits<prototypes::id::HTMLHRElement>::Depth },
265 : JSJitInfo::Getter,
266 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
267 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
268 : false, /* isInfallible. False in setters. */
269 : false, /* isMovable. Not relevant for setters. */
270 : false, /* isEliminatable. Not relevant for setters. */
271 : false, /* isAlwaysInSlot. Only relevant for getters. */
272 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
273 : false, /* isTypedMethod. Only relevant for methods. */
274 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
275 : };
276 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
277 : static_assert(0 < 1, "There is no slot for us");
278 : static const JSJitInfo size_setterinfo = {
279 : { (JSJitGetterOp)set_size },
280 : { prototypes::id::HTMLHRElement },
281 : { PrototypeTraits<prototypes::id::HTMLHRElement>::Depth },
282 : JSJitInfo::Setter,
283 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
284 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
285 : false, /* isInfallible. False in setters. */
286 : false, /* isMovable. Not relevant for setters. */
287 : false, /* isEliminatable. Not relevant for setters. */
288 : false, /* isAlwaysInSlot. Only relevant for getters. */
289 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
290 : false, /* isTypedMethod. Only relevant for methods. */
291 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
292 : };
293 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
294 : static_assert(0 < 1, "There is no slot for us");
295 :
296 : static bool
297 0 : get_width(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLHRElement* self, JSJitGetterCallArgs args)
298 : {
299 0 : DOMString result;
300 0 : self->GetWidth(result);
301 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
302 0 : if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
303 0 : return false;
304 : }
305 0 : return true;
306 : }
307 :
308 : static bool
309 0 : set_width(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HTMLHRElement* self, JSJitSetterCallArgs args)
310 : {
311 0 : binding_detail::FakeString arg0;
312 0 : if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
313 0 : return false;
314 : }
315 0 : CustomElementReactionsStack* reactionsStack = GetCustomElementReactionsStack(obj);
316 0 : Maybe<AutoCEReaction> ceReaction;
317 0 : if (reactionsStack) {
318 0 : ceReaction.emplace(reactionsStack);
319 : }
320 0 : binding_detail::FastErrorResult rv;
321 0 : self->SetWidth(NonNullHelper(Constify(arg0)), rv);
322 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
323 0 : return false;
324 : }
325 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
326 :
327 0 : return true;
328 : }
329 :
330 : static const JSJitInfo width_getterinfo = {
331 : { (JSJitGetterOp)get_width },
332 : { prototypes::id::HTMLHRElement },
333 : { PrototypeTraits<prototypes::id::HTMLHRElement>::Depth },
334 : JSJitInfo::Getter,
335 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
336 : JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
337 : false, /* isInfallible. False in setters. */
338 : false, /* isMovable. Not relevant for setters. */
339 : false, /* isEliminatable. Not relevant for setters. */
340 : false, /* isAlwaysInSlot. Only relevant for getters. */
341 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
342 : false, /* isTypedMethod. Only relevant for methods. */
343 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
344 : };
345 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
346 : static_assert(0 < 1, "There is no slot for us");
347 : static const JSJitInfo width_setterinfo = {
348 : { (JSJitGetterOp)set_width },
349 : { prototypes::id::HTMLHRElement },
350 : { PrototypeTraits<prototypes::id::HTMLHRElement>::Depth },
351 : JSJitInfo::Setter,
352 : JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
353 : JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */
354 : false, /* isInfallible. False in setters. */
355 : false, /* isMovable. Not relevant for setters. */
356 : false, /* isEliminatable. Not relevant for setters. */
357 : false, /* isAlwaysInSlot. Only relevant for getters. */
358 : false, /* isLazilyCachedInSlot. Only relevant for getters. */
359 : false, /* isTypedMethod. Only relevant for methods. */
360 : 0 /* Reserved slot index, if we're stored in a slot, else 0. */
361 : };
362 : static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
363 : static_assert(0 < 1, "There is no slot for us");
364 :
365 : static bool
366 0 : _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
367 : {
368 0 : mozilla::dom::HTMLHRElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLHRElement>(obj);
369 : // We don't want to preserve if we don't have a wrapper, and we
370 : // obviously can't preserve if we're not initialized.
371 0 : if (self && self->GetWrapperPreserveColor()) {
372 0 : PreserveWrapper(self);
373 : }
374 0 : return true;
375 : }
376 :
377 : static void
378 0 : _finalize(js::FreeOp* fop, JSObject* obj)
379 : {
380 0 : mozilla::dom::HTMLHRElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLHRElement>(obj);
381 0 : if (self) {
382 0 : ClearWrapper(self, self, obj);
383 0 : AddForDeferredFinalization<mozilla::dom::HTMLHRElement>(self);
384 : }
385 0 : }
386 :
387 : static void
388 0 : _objectMoved(JSObject* obj, const JSObject* old)
389 : {
390 0 : mozilla::dom::HTMLHRElement* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HTMLHRElement>(obj);
391 0 : if (self) {
392 0 : UpdateWrapper(self, self, obj, old);
393 : }
394 0 : }
395 :
396 : // We deliberately use brace-elision to make Visual Studio produce better initalization code.
397 : #if defined(__clang__)
398 : #pragma clang diagnostic push
399 : #pragma clang diagnostic ignored "-Wmissing-braces"
400 : #endif
401 : static const JSPropertySpec sAttributes_specs[] = {
402 : { "align", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &align_getterinfo, GenericBindingSetter, &align_setterinfo },
403 : { "color", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &color_getterinfo, GenericBindingSetter, &color_setterinfo },
404 : { "noShade", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &noShade_getterinfo, GenericBindingSetter, &noShade_setterinfo },
405 : { "size", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &size_getterinfo, GenericBindingSetter, &size_setterinfo },
406 : { "width", JSPROP_SHARED | JSPROP_ENUMERATE, GenericBindingGetter, &width_getterinfo, GenericBindingSetter, &width_setterinfo },
407 : { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
408 : };
409 : #if defined(__clang__)
410 : #pragma clang diagnostic pop
411 : #endif
412 :
413 :
414 : // Can't be const because the pref-enabled boolean needs to be writable
415 : static Prefable<const JSPropertySpec> sAttributes[] = {
416 : { nullptr, &sAttributes_specs[0] },
417 : { nullptr, nullptr }
418 : };
419 :
420 : static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
421 : "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
422 : static_assert(5 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
423 : "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
424 :
425 :
426 : static uint16_t sNativeProperties_sortedPropertyIndices[5];
427 : static PropertyInfo sNativeProperties_propertyInfos[5];
428 :
429 : static const NativePropertiesN<1> sNativeProperties = {
430 : false, 0,
431 : false, 0,
432 : false, 0,
433 : true, 0 /* sAttributes */,
434 : false, 0,
435 : false, 0,
436 : false, 0,
437 : -1,
438 : 5,
439 : sNativeProperties_sortedPropertyIndices,
440 : {
441 : { sAttributes, &sNativeProperties_propertyInfos[0] }
442 : }
443 : };
444 : static_assert(5 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
445 : "We have a property info count that is oversized");
446 :
447 : static bool
448 0 : _constructor(JSContext* cx, unsigned argc, JS::Value* vp)
449 : {
450 0 : JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
451 0 : JS::Rooted<JSObject*> obj(cx, &args.callee());
452 0 : if (!args.isConstructing()) {
453 : // XXXbz wish I could get the name from the callee instead of
454 : // Adding more relocations
455 0 : return ThrowConstructorWithoutNew(cx, "HTMLHRElement");
456 : }
457 :
458 0 : GlobalObject global(cx, obj);
459 0 : if (global.Failed()) {
460 0 : return false;
461 : }
462 :
463 : // The newTarget might be a cross-compartment wrapper. Get the underlying object
464 : // so we can do the spec's object-identity checks.
465 0 : JS::Rooted<JSObject*> newTarget(cx, js::CheckedUnwrap(&args.newTarget().toObject()));
466 0 : if (!newTarget) {
467 0 : return ThrowErrorMessage(cx, MSG_ILLEGAL_CONSTRUCTOR);
468 : }
469 :
470 : // Step 2 of https://html.spec.whatwg.org/multipage/dom.html#htmlconstructor.
471 : // Enter the compartment of our underlying newTarget object, so we end
472 : // up comparing to the constructor object for our interface from that global.
473 : {
474 0 : JSAutoCompartment ac(cx, newTarget);
475 0 : JS::Handle<JSObject*> constructor(GetConstructorObjectHandle(cx));
476 0 : if (!constructor) {
477 0 : return false;
478 : }
479 0 : if (newTarget == constructor) {
480 0 : return ThrowErrorMessage(cx, MSG_ILLEGAL_CONSTRUCTOR);
481 : }
482 : }
483 :
484 0 : JS::Rooted<JSObject*> desiredProto(cx);
485 0 : if (!GetDesiredProto(cx, args, &desiredProto)) {
486 0 : return false;
487 : }
488 0 : if (!desiredProto) {
489 : // Step 7 of https://html.spec.whatwg.org/multipage/dom.html#htmlconstructor.
490 : // This fallback behavior is designed to match analogous behavior for the
491 : // JavaScript built-ins. So we enter the compartment of our underlying
492 : // newTarget object and fall back to the prototype object from that global.
493 : // XXX The spec says to use GetFunctionRealm(), which is not actually
494 : // the same thing as what we have here (e.g. in the case of scripted callable proxies
495 : // whose target is not same-compartment with the proxy, or bound functions, etc).
496 : // https://bugzilla.mozilla.org/show_bug.cgi?id=1317658
497 : {
498 0 : JSAutoCompartment ac(cx, newTarget);
499 0 : desiredProto = GetProtoObjectHandle(cx);
500 0 : if (!desiredProto) {
501 0 : return false;
502 : }
503 : }
504 :
505 : // desiredProto is in the compartment of the underlying newTarget object.
506 : // Wrap it into the context compartment.
507 0 : if (!JS_WrapObject(cx, &desiredProto)) {
508 0 : return false;
509 : }
510 : }
511 :
512 0 : bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
513 0 : Maybe<JSAutoCompartment> ac;
514 0 : if (objIsXray) {
515 0 : obj = js::CheckedUnwrap(obj);
516 0 : if (!obj) {
517 0 : return false;
518 : }
519 0 : ac.emplace(cx, obj);
520 0 : if (!JS_WrapObject(cx, &desiredProto)) {
521 0 : return false;
522 : }
523 : }
524 0 : binding_detail::FastErrorResult rv;
525 0 : auto result(StrongOrRawPtr<mozilla::dom::HTMLHRElement>(CreateHTMLElement(global, args, rv)));
526 0 : if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
527 0 : return false;
528 : }
529 0 : MOZ_ASSERT(!JS_IsExceptionPending(cx));
530 : static_assert(!IsPointer<decltype(result)>::value,
531 : "NewObject implies that we need to keep the object alive with a strong reference.");
532 0 : if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
533 0 : MOZ_ASSERT(true || JS_IsExceptionPending(cx));
534 0 : return false;
535 : }
536 0 : return true;
537 : }
538 :
539 : static const js::ClassOps sInterfaceObjectClassOps = {
540 : nullptr, /* addProperty */
541 : nullptr, /* delProperty */
542 : nullptr, /* getProperty */
543 : nullptr, /* setProperty */
544 : nullptr, /* enumerate */
545 : nullptr, /* newEnumerate */
546 : nullptr, /* resolve */
547 : nullptr, /* mayResolve */
548 : nullptr, /* finalize */
549 : _constructor, /* call */
550 : nullptr, /* hasInstance */
551 : _constructor, /* construct */
552 : nullptr, /* trace */
553 : };
554 :
555 : static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
556 : {
557 : "Function",
558 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
559 : &sInterfaceObjectClassOps,
560 : JS_NULL_CLASS_SPEC,
561 : JS_NULL_CLASS_EXT,
562 : &sInterfaceObjectClassObjectOps
563 : },
564 : eInterface,
565 : true,
566 : prototypes::id::HTMLHRElement,
567 : PrototypeTraits<prototypes::id::HTMLHRElement>::Depth,
568 : sNativePropertyHooks,
569 : "function HTMLHRElement() {\n [native code]\n}",
570 : HTMLElementBinding::GetConstructorObject
571 : };
572 :
573 : static const DOMIfaceAndProtoJSClass sPrototypeClass = {
574 : {
575 : "HTMLHRElementPrototype",
576 : JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
577 : JS_NULL_CLASS_OPS,
578 : JS_NULL_CLASS_SPEC,
579 : JS_NULL_CLASS_EXT,
580 : JS_NULL_OBJECT_OPS
581 : },
582 : eInterfacePrototype,
583 : false,
584 : prototypes::id::HTMLHRElement,
585 : PrototypeTraits<prototypes::id::HTMLHRElement>::Depth,
586 : sNativePropertyHooks,
587 : "[object HTMLHRElementPrototype]",
588 : HTMLElementBinding::GetProtoObject
589 : };
590 :
591 : JSObject*
592 0 : DefineDOMInterface(JSContext* aCx, JS::Handle<JSObject*> aGlobal, JS::Handle<jsid> id, bool aDefineOnGlobal)
593 : {
594 0 : return GetConstructorObjectHandle(aCx, aDefineOnGlobal);
595 : }
596 :
597 : static const js::ClassOps sClassOps = {
598 : _addProperty, /* addProperty */
599 : nullptr, /* delProperty */
600 : nullptr, /* getProperty */
601 : nullptr, /* setProperty */
602 : nullptr, /* enumerate */
603 : nullptr, /* newEnumerate */
604 : nullptr, /* resolve */
605 : nullptr, /* mayResolve */
606 : _finalize, /* finalize */
607 : nullptr, /* call */
608 : nullptr, /* hasInstance */
609 : nullptr, /* construct */
610 : nullptr, /* trace */
611 : };
612 :
613 : static const js::ClassExtension sClassExtension = {
614 : nullptr, /* weakmapKeyDelegateOp */
615 : _objectMoved /* objectMovedOp */
616 : };
617 :
618 : static const DOMJSClass sClass = {
619 : { "HTMLHRElement",
620 : JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
621 : &sClassOps,
622 : JS_NULL_CLASS_SPEC,
623 : &sClassExtension,
624 : JS_NULL_OBJECT_OPS
625 : },
626 : { prototypes::id::EventTarget, prototypes::id::Node, prototypes::id::Element, prototypes::id::HTMLElement, prototypes::id::HTMLHRElement, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
627 : IsBaseOf<nsISupports, mozilla::dom::HTMLHRElement >::value,
628 : sNativePropertyHooks,
629 : FindAssociatedGlobalForNative<mozilla::dom::HTMLHRElement>::Get,
630 : GetProtoObjectHandle,
631 : GetCCParticipant<mozilla::dom::HTMLHRElement>::Get()
632 : };
633 : static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
634 : "Must have the right minimal number of reserved slots.");
635 : static_assert(1 >= 1,
636 : "Must have enough reserved slots.");
637 :
638 : const JSClass*
639 0 : GetJSClass()
640 : {
641 0 : return sClass.ToJSClass();
642 : }
643 :
644 : bool
645 0 : Wrap(JSContext* aCx, mozilla::dom::HTMLHRElement* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
646 : {
647 : MOZ_ASSERT(static_cast<mozilla::dom::HTMLHRElement*>(aObject) ==
648 : reinterpret_cast<mozilla::dom::HTMLHRElement*>(aObject),
649 : "Multiple inheritance for mozilla::dom::HTMLHRElement is broken.");
650 : MOZ_ASSERT(static_cast<nsGenericHTMLElement*>(aObject) ==
651 : reinterpret_cast<nsGenericHTMLElement*>(aObject),
652 : "Multiple inheritance for nsGenericHTMLElement is broken.");
653 : MOZ_ASSERT(static_cast<mozilla::dom::Element*>(aObject) ==
654 : reinterpret_cast<mozilla::dom::Element*>(aObject),
655 : "Multiple inheritance for mozilla::dom::Element is broken.");
656 : MOZ_ASSERT(static_cast<nsINode*>(aObject) ==
657 : reinterpret_cast<nsINode*>(aObject),
658 : "Multiple inheritance for nsINode is broken.");
659 : MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
660 : reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
661 : "Multiple inheritance for mozilla::dom::EventTarget is broken.");
662 0 : MOZ_ASSERT(ToSupportsIsCorrect(aObject));
663 0 : MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
664 0 : MOZ_ASSERT(!aCache->GetWrapper(),
665 : "You should probably not be using Wrap() directly; use "
666 : "GetOrCreateDOMReflector instead");
667 :
668 0 : MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
669 : "nsISupports must be on our primary inheritance chain");
670 :
671 0 : JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
672 0 : if (!global) {
673 0 : return false;
674 : }
675 0 : MOZ_ASSERT(JS_IsGlobalObject(global));
676 0 : MOZ_ASSERT(JS::ObjectIsNotGray(global));
677 :
678 : // That might have ended up wrapping us already, due to the wonders
679 : // of XBL. Check for that, and bail out as needed.
680 0 : aReflector.set(aCache->GetWrapper());
681 0 : if (aReflector) {
682 : #ifdef DEBUG
683 0 : binding_detail::AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
684 : #endif // DEBUG
685 0 : return true;
686 : }
687 :
688 0 : JSAutoCompartment ac(aCx, global);
689 0 : JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
690 0 : if (!canonicalProto) {
691 0 : return false;
692 : }
693 0 : JS::Rooted<JSObject*> proto(aCx);
694 0 : if (aGivenProto) {
695 0 : proto = aGivenProto;
696 : // Unfortunately, while aGivenProto was in the compartment of aCx
697 : // coming in, we changed compartments to that of "parent" so may need
698 : // to wrap the proto here.
699 0 : if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
700 0 : if (!JS_WrapObject(aCx, &proto)) {
701 0 : return false;
702 : }
703 : }
704 : } else {
705 0 : proto = canonicalProto;
706 : }
707 :
708 0 : BindingJSObjectCreator<mozilla::dom::HTMLHRElement> creator(aCx);
709 0 : creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
710 0 : if (!aReflector) {
711 0 : return false;
712 : }
713 :
714 0 : aCache->SetWrapper(aReflector);
715 0 : creator.InitializationSucceeded();
716 :
717 0 : MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
718 : aCache->GetWrapperPreserveColor() == aReflector);
719 : // If proto != canonicalProto, we have to preserve our wrapper;
720 : // otherwise we won't be able to properly recreate it later, since
721 : // we won't know what proto to use. Note that we don't check
722 : // aGivenProto here, since it's entirely possible (and even
723 : // somewhat common) to have a non-null aGivenProto which is the
724 : // same as canonicalProto.
725 0 : if (proto != canonicalProto) {
726 0 : PreserveWrapper(aObject);
727 : }
728 :
729 0 : return true;
730 : }
731 :
732 : const NativePropertyHooks sNativePropertyHooks[] = { {
733 : nullptr,
734 : nullptr,
735 : nullptr,
736 : { sNativeProperties.Upcast(), nullptr },
737 : prototypes::id::HTMLHRElement,
738 : constructors::id::HTMLHRElement,
739 : HTMLElementBinding::sNativePropertyHooks,
740 : &DefaultXrayExpandoObjectClass
741 : } };
742 :
743 : void
744 0 : CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
745 : {
746 0 : JS::Handle<JSObject*> parentProto(HTMLElementBinding::GetProtoObjectHandle(aCx));
747 0 : if (!parentProto) {
748 0 : return;
749 : }
750 :
751 0 : JS::Handle<JSObject*> constructorProto(HTMLElementBinding::GetConstructorObjectHandle(aCx));
752 0 : if (!constructorProto) {
753 0 : return;
754 : }
755 :
756 : static bool sIdsInited = false;
757 0 : if (!sIdsInited && NS_IsMainThread()) {
758 0 : if (!InitIds(aCx, sNativeProperties.Upcast())) {
759 0 : return;
760 : }
761 0 : sIdsInited = true;
762 : }
763 :
764 0 : JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::HTMLHRElement);
765 0 : JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::HTMLHRElement);
766 0 : dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
767 : &sPrototypeClass.mBase, protoCache,
768 : constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
769 : interfaceCache,
770 : sNativeProperties.Upcast(),
771 : nullptr,
772 : "HTMLHRElement", aDefineOnGlobal,
773 : nullptr,
774 0 : false);
775 : }
776 :
777 : JS::Handle<JSObject*>
778 0 : GetProtoObjectHandle(JSContext* aCx)
779 : {
780 : /* Get the interface prototype object for this class. This will create the
781 : object as needed. */
782 0 : bool aDefineOnGlobal = true;
783 :
784 : /* Make sure our global is sane. Hopefully we can remove this sometime */
785 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
786 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
787 0 : return nullptr;
788 : }
789 :
790 : /* Check to see whether the interface objects are already installed */
791 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
792 0 : if (!protoAndIfaceCache.HasEntryInSlot(prototypes::id::HTMLHRElement)) {
793 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
794 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
795 : }
796 :
797 : /*
798 : * The object might _still_ be null, but that's OK.
799 : *
800 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
801 : * traced by TraceProtoAndIfaceCache() and its contents are never
802 : * changed after they have been set.
803 : *
804 : * Calling address() avoids the read read barrier that does gray
805 : * unmarking, but it's not possible for the object to be gray here.
806 : */
807 :
808 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(prototypes::id::HTMLHRElement);
809 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
810 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
811 : }
812 :
813 : JS::Handle<JSObject*>
814 0 : GetConstructorObjectHandle(JSContext* aCx, bool aDefineOnGlobal)
815 : {
816 : /* Get the interface object for this class. This will create the object as
817 : needed. */
818 :
819 : /* Make sure our global is sane. Hopefully we can remove this sometime */
820 0 : JSObject* global = JS::CurrentGlobalOrNull(aCx);
821 0 : if (!(js::GetObjectClass(global)->flags & JSCLASS_DOM_GLOBAL)) {
822 0 : return nullptr;
823 : }
824 :
825 : /* Check to see whether the interface objects are already installed */
826 0 : ProtoAndIfaceCache& protoAndIfaceCache = *GetProtoAndIfaceCache(global);
827 0 : if (!protoAndIfaceCache.HasEntryInSlot(constructors::id::HTMLHRElement)) {
828 0 : JS::Rooted<JSObject*> rootedGlobal(aCx, global);
829 0 : CreateInterfaceObjects(aCx, rootedGlobal, protoAndIfaceCache, aDefineOnGlobal);
830 : }
831 :
832 : /*
833 : * The object might _still_ be null, but that's OK.
834 : *
835 : * Calling fromMarkedLocation() is safe because protoAndIfaceCache is
836 : * traced by TraceProtoAndIfaceCache() and its contents are never
837 : * changed after they have been set.
838 : *
839 : * Calling address() avoids the read read barrier that does gray
840 : * unmarking, but it's not possible for the object to be gray here.
841 : */
842 :
843 0 : const JS::Heap<JSObject*>& entrySlot = protoAndIfaceCache.EntrySlotMustExist(constructors::id::HTMLHRElement);
844 0 : MOZ_ASSERT(JS::ObjectIsNotGray(entrySlot));
845 0 : return JS::Handle<JSObject*>::fromMarkedLocation(entrySlot.address());
846 : }
847 :
848 : JSObject*
849 0 : GetConstructorObject(JSContext* aCx)
850 : {
851 0 : return GetConstructorObjectHandle(aCx);
852 : }
853 :
854 : } // namespace HTMLHRElementBinding
855 :
856 :
857 :
858 : } // namespace dom
859 : } // namespace mozilla
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