/work/obj-fuzz/dom/bindings/ChromeNodeListBinding.cpp
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1 | | /* THIS FILE IS AUTOGENERATED FROM ChromeNodeList.webidl BY Codegen.py - DO NOT EDIT */ |
2 | | |
3 | | #include "ChromeNodeListBinding.h" |
4 | | #include "NodeListBinding.h" |
5 | | #include "WrapperFactory.h" |
6 | | #include "mozilla/OwningNonNull.h" |
7 | | #include "mozilla/dom/BindingUtils.h" |
8 | | #include "mozilla/dom/ChromeNodeList.h" |
9 | | #include "mozilla/dom/DOMJSClass.h" |
10 | | #include "mozilla/dom/DOMJSProxyHandler.h" |
11 | | #include "mozilla/dom/NonRefcountedDOMObject.h" |
12 | | #include "mozilla/dom/XrayExpandoClass.h" |
13 | | #include "nsINode.h" |
14 | | |
15 | | namespace mozilla { |
16 | | namespace dom { |
17 | | |
18 | | namespace binding_detail {}; // Just to make sure it's known as a namespace |
19 | | using namespace mozilla::dom::binding_detail; |
20 | | |
21 | | |
22 | | namespace ChromeNodeList_Binding { |
23 | | |
24 | | static_assert(IsRefcounted<NativeType>::value == IsRefcounted<NodeList_Binding::NativeType>::value, |
25 | | "Can't inherit from an interface with a different ownership model."); |
26 | | |
27 | | MOZ_CAN_RUN_SCRIPT static bool |
28 | | append(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ChromeNodeList* self, const JSJitMethodCallArgs& args) |
29 | 0 | { |
30 | 0 | AUTO_PROFILER_LABEL_FAST("ChromeNodeList.append", DOM, cx); |
31 | 0 |
|
32 | 0 | if (MOZ_UNLIKELY(args.length() < 1)) { |
33 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ChromeNodeList.append"); |
34 | 0 | } |
35 | 0 | NonNull<nsINode> arg0; |
36 | 0 | if (args[0].isObject()) { |
37 | 0 | { |
38 | 0 | nsresult rv = UnwrapObject<prototypes::id::Node, nsINode>(args[0], arg0); |
39 | 0 | if (NS_FAILED(rv)) { |
40 | 0 | ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of ChromeNodeList.append", "Node"); |
41 | 0 | return false; |
42 | 0 | } |
43 | 0 | } |
44 | 0 | } else { |
45 | 0 | ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of ChromeNodeList.append"); |
46 | 0 | return false; |
47 | 0 | } |
48 | 0 | FastErrorResult rv; |
49 | 0 | self->Append(MOZ_KnownLive(NonNullHelper(arg0)), rv); |
50 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
51 | 0 | return false; |
52 | 0 | } |
53 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
54 | 0 | args.rval().setUndefined(); |
55 | 0 | return true; |
56 | 0 | } |
57 | | |
58 | | static const JSJitInfo append_methodinfo = { |
59 | | { (JSJitGetterOp)append }, |
60 | | { prototypes::id::ChromeNodeList }, |
61 | | { PrototypeTraits<prototypes::id::ChromeNodeList>::Depth }, |
62 | | JSJitInfo::Method, |
63 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
64 | | JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ |
65 | | false, /* isInfallible. False in setters. */ |
66 | | false, /* isMovable. Not relevant for setters. */ |
67 | | false, /* isEliminatable. Not relevant for setters. */ |
68 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
69 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
70 | | false, /* isTypedMethod. Only relevant for methods. */ |
71 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
72 | | }; |
73 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
74 | | static_assert(0 < 1, "There is no slot for us"); |
75 | | |
76 | | MOZ_CAN_RUN_SCRIPT static bool |
77 | | remove(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::ChromeNodeList* self, const JSJitMethodCallArgs& args) |
78 | 0 | { |
79 | 0 | AUTO_PROFILER_LABEL_FAST("ChromeNodeList.remove", DOM, cx); |
80 | 0 |
|
81 | 0 | if (MOZ_UNLIKELY(args.length() < 1)) { |
82 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "ChromeNodeList.remove"); |
83 | 0 | } |
84 | 0 | NonNull<nsINode> arg0; |
85 | 0 | if (args[0].isObject()) { |
86 | 0 | { |
87 | 0 | nsresult rv = UnwrapObject<prototypes::id::Node, nsINode>(args[0], arg0); |
88 | 0 | if (NS_FAILED(rv)) { |
89 | 0 | ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of ChromeNodeList.remove", "Node"); |
90 | 0 | return false; |
91 | 0 | } |
92 | 0 | } |
93 | 0 | } else { |
94 | 0 | ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of ChromeNodeList.remove"); |
95 | 0 | return false; |
96 | 0 | } |
97 | 0 | FastErrorResult rv; |
98 | 0 | self->Remove(MOZ_KnownLive(NonNullHelper(arg0)), rv); |
99 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
100 | 0 | return false; |
101 | 0 | } |
102 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
103 | 0 | args.rval().setUndefined(); |
104 | 0 | return true; |
105 | 0 | } |
106 | | |
107 | | static const JSJitInfo remove_methodinfo = { |
108 | | { (JSJitGetterOp)remove }, |
109 | | { prototypes::id::ChromeNodeList }, |
110 | | { PrototypeTraits<prototypes::id::ChromeNodeList>::Depth }, |
111 | | JSJitInfo::Method, |
112 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
113 | | JSVAL_TYPE_UNDEFINED, /* returnType. Not relevant for setters. */ |
114 | | false, /* isInfallible. False in setters. */ |
115 | | false, /* isMovable. Not relevant for setters. */ |
116 | | false, /* isEliminatable. Not relevant for setters. */ |
117 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
118 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
119 | | false, /* isTypedMethod. Only relevant for methods. */ |
120 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
121 | | }; |
122 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
123 | | static_assert(0 < 1, "There is no slot for us"); |
124 | | |
125 | | // We deliberately use brace-elision to make Visual Studio produce better initalization code. |
126 | | #if defined(__clang__) |
127 | | #pragma clang diagnostic push |
128 | | #pragma clang diagnostic ignored "-Wmissing-braces" |
129 | | #endif |
130 | | static const JSFunctionSpec sMethods_specs[] = { |
131 | | JS_FNSPEC("append", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&append_methodinfo), 1, JSPROP_ENUMERATE, nullptr), |
132 | | JS_FNSPEC("remove", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&remove_methodinfo), 1, JSPROP_ENUMERATE, nullptr), |
133 | | JS_SYM_FNSPEC(iterator, nullptr, nullptr, 0, 0, "ArrayValues"), |
134 | | JS_FS_END |
135 | | }; |
136 | | #if defined(__clang__) |
137 | | #pragma clang diagnostic pop |
138 | | #endif |
139 | | |
140 | | |
141 | | static const Prefable<const JSFunctionSpec> sMethods[] = { |
142 | | { nullptr, &sMethods_specs[0] }, |
143 | | { nullptr, nullptr } |
144 | | }; |
145 | | |
146 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, |
147 | | "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); |
148 | | static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, |
149 | | "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); |
150 | | |
151 | | |
152 | | static uint16_t sNativeProperties_sortedPropertyIndices[3]; |
153 | | static PropertyInfo sNativeProperties_propertyInfos[3]; |
154 | | |
155 | | static const NativePropertiesN<1> sNativeProperties = { |
156 | | false, 0, |
157 | | false, 0, |
158 | | true, 0 /* sMethods */, |
159 | | false, 0, |
160 | | false, 0, |
161 | | false, 0, |
162 | | false, 0, |
163 | | -1, |
164 | | 3, |
165 | | sNativeProperties_sortedPropertyIndices, |
166 | | { |
167 | | { sMethods, &sNativeProperties_propertyInfos[0] } |
168 | | } |
169 | | }; |
170 | | static_assert(3 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount), |
171 | | "We have a property info count that is oversized"); |
172 | | |
173 | | static bool |
174 | | _constructor(JSContext* cx, unsigned argc, JS::Value* vp) |
175 | 0 | { |
176 | 0 | AUTO_PROFILER_LABEL_FAST("ChromeNodeList constructor", DOM, cx); |
177 | 0 |
|
178 | 0 | JS::CallArgs args = JS::CallArgsFromVp(argc, vp); |
179 | 0 | JS::Rooted<JSObject*> obj(cx, &args.callee()); |
180 | 0 | if (!args.isConstructing()) { |
181 | 0 | // XXXbz wish I could get the name from the callee instead of |
182 | 0 | // Adding more relocations |
183 | 0 | return ThrowConstructorWithoutNew(cx, "ChromeNodeList"); |
184 | 0 | } |
185 | 0 | |
186 | 0 | JS::Rooted<JSObject*> desiredProto(cx); |
187 | 0 | if (!GetDesiredProto(cx, args, &desiredProto)) { |
188 | 0 | return false; |
189 | 0 | } |
190 | 0 | |
191 | 0 | GlobalObject global(cx, obj); |
192 | 0 | if (global.Failed()) { |
193 | 0 | return false; |
194 | 0 | } |
195 | 0 | |
196 | 0 | bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj); |
197 | 0 | Maybe<JSAutoRealm> ar; |
198 | 0 | if (objIsXray) { |
199 | 0 | obj = js::CheckedUnwrap(obj); |
200 | 0 | if (!obj) { |
201 | 0 | return false; |
202 | 0 | } |
203 | 0 | ar.emplace(cx, obj); |
204 | 0 | if (!JS_WrapObject(cx, &desiredProto)) { |
205 | 0 | return false; |
206 | 0 | } |
207 | 0 | } |
208 | 0 | FastErrorResult rv; |
209 | 0 | auto result(StrongOrRawPtr<mozilla::dom::ChromeNodeList>(mozilla::dom::ChromeNodeList::Constructor(global, rv))); |
210 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
211 | 0 | return false; |
212 | 0 | } |
213 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
214 | 0 | static_assert(!IsPointer<decltype(result)>::value, |
215 | 0 | "NewObject implies that we need to keep the object alive with a strong reference."); |
216 | 0 | if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) { |
217 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
218 | 0 | return false; |
219 | 0 | } |
220 | 0 | return true; |
221 | 0 | } |
222 | | |
223 | | static const js::ClassOps sInterfaceObjectClassOps = { |
224 | | nullptr, /* addProperty */ |
225 | | nullptr, /* delProperty */ |
226 | | nullptr, /* enumerate */ |
227 | | nullptr, /* newEnumerate */ |
228 | | nullptr, /* resolve */ |
229 | | nullptr, /* mayResolve */ |
230 | | nullptr, /* finalize */ |
231 | | _constructor, /* call */ |
232 | | nullptr, /* hasInstance */ |
233 | | _constructor, /* construct */ |
234 | | nullptr, /* trace */ |
235 | | }; |
236 | | |
237 | | static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = { |
238 | | { |
239 | | "Function", |
240 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE), |
241 | | &sInterfaceObjectClassOps, |
242 | | JS_NULL_CLASS_SPEC, |
243 | | JS_NULL_CLASS_EXT, |
244 | | &sInterfaceObjectClassObjectOps |
245 | | }, |
246 | | eInterface, |
247 | | true, |
248 | | prototypes::id::ChromeNodeList, |
249 | | PrototypeTraits<prototypes::id::ChromeNodeList>::Depth, |
250 | | sNativePropertyHooks, |
251 | | "function ChromeNodeList() {\n [native code]\n}", |
252 | | NodeList_Binding::GetConstructorObject |
253 | | }; |
254 | | |
255 | | static const DOMIfaceAndProtoJSClass sPrototypeClass = { |
256 | | { |
257 | | "ChromeNodeListPrototype", |
258 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), |
259 | | JS_NULL_CLASS_OPS, |
260 | | JS_NULL_CLASS_SPEC, |
261 | | JS_NULL_CLASS_EXT, |
262 | | JS_NULL_OBJECT_OPS |
263 | | }, |
264 | | eInterfacePrototype, |
265 | | false, |
266 | | prototypes::id::ChromeNodeList, |
267 | | PrototypeTraits<prototypes::id::ChromeNodeList>::Depth, |
268 | | sNativePropertyHooks, |
269 | | "[object ChromeNodeListPrototype]", |
270 | | NodeList_Binding::GetProtoObject |
271 | | }; |
272 | | |
273 | | bool |
274 | | ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj) |
275 | 0 | { |
276 | 0 | return IsChromeOrXBL(aCx, aObj); |
277 | 0 | } |
278 | | |
279 | | static_assert(IsBaseOf<nsISupports, mozilla::dom::ChromeNodeList >::value, |
280 | | "We don't support non-nsISupports native classes for " |
281 | | "proxy-based bindings yet"); |
282 | | |
283 | | |
284 | | class DOMProxyHandler : public mozilla::dom::DOMProxyHandler |
285 | | { |
286 | | public: |
287 | | explicit constexpr DOMProxyHandler() |
288 | 0 | { |
289 | 0 | } |
290 | | |
291 | | virtual bool |
292 | | getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<JS::PropertyDescriptor> desc) const override; |
293 | | |
294 | | virtual bool |
295 | | defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* defined) const override; |
296 | | |
297 | | using mozilla::dom::DOMProxyHandler::defineProperty; |
298 | | |
299 | | virtual bool |
300 | | ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::AutoIdVector& props) const override; |
301 | | |
302 | | virtual bool |
303 | | hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const override; |
304 | | |
305 | | virtual bool |
306 | | get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const override; |
307 | | |
308 | | virtual const char* |
309 | | className(JSContext* cx, JS::Handle<JSObject*> proxy) const override; |
310 | | |
311 | | virtual bool |
312 | | finalizeInBackground(const JS::Value& priv) const override; |
313 | | |
314 | | virtual void |
315 | | finalize(JSFreeOp* fop, JSObject* proxy) const override; |
316 | | |
317 | | static const DOMProxyHandler* |
318 | | getInstance(); |
319 | | |
320 | | virtual bool |
321 | | delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const override; |
322 | | |
323 | | virtual bool |
324 | | getElements(JSContext* cx, JS::Handle<JSObject*> proxy, uint32_t begin, uint32_t end, js::ElementAdder* adder) const override; |
325 | | |
326 | | virtual bool |
327 | | canNurseryAllocate() const override; |
328 | | |
329 | | virtual size_t |
330 | | objectMoved(JSObject* obj, JSObject* old) const override; |
331 | | }; |
332 | | |
333 | | MOZ_ALWAYS_INLINE bool |
334 | | IsProxy(JSObject* obj) |
335 | 0 | { |
336 | 0 | return js::IsProxy(obj) && js::GetProxyHandler(obj) == DOMProxyHandler::getInstance(); |
337 | 0 | } |
338 | | |
339 | | MOZ_ALWAYS_INLINE mozilla::dom::ChromeNodeList* |
340 | | UnwrapProxy(JSObject* obj) |
341 | 0 | { |
342 | 0 | MOZ_ASSERT(js::IsProxy(obj)); |
343 | 0 | if (js::GetProxyHandler(obj) != DOMProxyHandler::getInstance()) { |
344 | 0 | MOZ_ASSERT(xpc::WrapperFactory::IsXrayWrapper(obj)); |
345 | 0 | obj = js::UncheckedUnwrap(obj); |
346 | 0 | } |
347 | 0 | MOZ_ASSERT(IsProxy(obj)); |
348 | 0 | return static_cast<mozilla::dom::ChromeNodeList*>(js::GetProxyReservedSlot(obj, DOM_OBJECT_SLOT).toPrivate()); |
349 | 0 | } |
350 | | |
351 | | bool |
352 | | DOMProxyHandler::getOwnPropDescriptor(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool ignoreNamedProps, JS::MutableHandle<JS::PropertyDescriptor> desc) const |
353 | 0 | { |
354 | 0 | bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy); |
355 | 0 | uint32_t index = GetArrayIndexFromId(cx, id); |
356 | 0 | if (IsArrayIndex(index)) { |
357 | 0 | mozilla::dom::ChromeNodeList* self = UnwrapProxy(proxy); |
358 | 0 | bool found = false; |
359 | 0 | auto result(StrongOrRawPtr<nsINode>(self->IndexedGetter(index, found))); |
360 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
361 | 0 |
|
362 | 0 | if (found) { |
363 | 0 | if (!result) { |
364 | 0 | desc.value().setNull(); |
365 | 0 | FillPropertyDescriptor(desc, proxy, true); |
366 | 0 | return true; |
367 | 0 | } |
368 | 0 | if (!GetOrCreateDOMReflector(cx, result, desc.value())) { |
369 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
370 | 0 | return false; |
371 | 0 | } |
372 | 0 | FillPropertyDescriptor(desc, proxy, true); |
373 | 0 | return true; |
374 | 0 | } |
375 | 0 | } |
376 | 0 |
|
377 | 0 | JS::Rooted<JSObject*> expando(cx); |
378 | 0 | if (!isXray && (expando = GetExpandoObject(proxy))) { |
379 | 0 | if (!JS_GetOwnPropertyDescriptorById(cx, expando, id, desc)) { |
380 | 0 | return false; |
381 | 0 | } |
382 | 0 | if (desc.object()) { |
383 | 0 | // Pretend the property lives on the wrapper. |
384 | 0 | desc.object().set(proxy); |
385 | 0 | return true; |
386 | 0 | } |
387 | 0 | } |
388 | 0 | |
389 | 0 | desc.object().set(nullptr); |
390 | 0 | return true; |
391 | 0 | } |
392 | | |
393 | | bool |
394 | | DOMProxyHandler::defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::Handle<JS::PropertyDescriptor> desc, JS::ObjectOpResult& opresult, bool* defined) const |
395 | 0 | { |
396 | 0 | if (IsArrayIndex(GetArrayIndexFromId(cx, id))) { |
397 | 0 | *defined = true; |
398 | 0 | return opresult.failNoIndexedSetter(); |
399 | 0 | } |
400 | 0 | return mozilla::dom::DOMProxyHandler::defineProperty(cx, proxy, id, desc, opresult, defined); |
401 | 0 | } |
402 | | |
403 | | |
404 | | bool |
405 | | DOMProxyHandler::ownPropNames(JSContext* cx, JS::Handle<JSObject*> proxy, unsigned flags, JS::AutoIdVector& props) const |
406 | 0 | { |
407 | 0 | bool isXray = xpc::WrapperFactory::IsXrayWrapper(proxy); |
408 | 0 |
|
409 | 0 | uint32_t length = UnwrapProxy(proxy)->Length(); |
410 | 0 | MOZ_ASSERT(int32_t(length) >= 0); |
411 | 0 | for (int32_t i = 0; i < int32_t(length); ++i) { |
412 | 0 | if (!props.append(INT_TO_JSID(i))) { |
413 | 0 | return false; |
414 | 0 | } |
415 | 0 | } |
416 | 0 |
|
417 | 0 | JS::Rooted<JSObject*> expando(cx); |
418 | 0 | if (!isXray && (expando = DOMProxyHandler::GetExpandoObject(proxy)) && |
419 | 0 | !js::GetPropertyKeys(cx, expando, flags, &props)) { |
420 | 0 | return false; |
421 | 0 | } |
422 | 0 | |
423 | 0 | return true; |
424 | 0 | } |
425 | | |
426 | | bool |
427 | | DOMProxyHandler::hasOwn(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, bool* bp) const |
428 | 0 | { |
429 | 0 | MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), |
430 | 0 | "Should not have a XrayWrapper here"); |
431 | 0 |
|
432 | 0 | uint32_t index = GetArrayIndexFromId(cx, id); |
433 | 0 | if (IsArrayIndex(index)) { |
434 | 0 | bool found = false; |
435 | 0 | mozilla::dom::ChromeNodeList* self = UnwrapProxy(proxy); |
436 | 0 | auto result(StrongOrRawPtr<nsINode>(self->IndexedGetter(index, found))); |
437 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
438 | 0 | (void)result; |
439 | 0 |
|
440 | 0 | *bp = found; |
441 | 0 | return true; |
442 | 0 | } |
443 | 0 |
|
444 | 0 |
|
445 | 0 | JS::Rooted<JSObject*> expando(cx, GetExpandoObject(proxy)); |
446 | 0 | if (expando) { |
447 | 0 | bool b = true; |
448 | 0 | bool ok = JS_HasPropertyById(cx, expando, id, &b); |
449 | 0 | *bp = !!b; |
450 | 0 | if (!ok || *bp) { |
451 | 0 | return ok; |
452 | 0 | } |
453 | 0 | } |
454 | 0 | |
455 | 0 | *bp = false; |
456 | 0 | return true; |
457 | 0 | } |
458 | | |
459 | | bool |
460 | | DOMProxyHandler::get(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<JS::Value> receiver, JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const |
461 | 0 | { |
462 | 0 | MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), |
463 | 0 | "Should not have a XrayWrapper here"); |
464 | 0 |
|
465 | 0 | uint32_t index = GetArrayIndexFromId(cx, id); |
466 | 0 | if (IsArrayIndex(index)) { |
467 | 0 | mozilla::dom::ChromeNodeList* self = UnwrapProxy(proxy); |
468 | 0 | bool found = false; |
469 | 0 | auto result(StrongOrRawPtr<nsINode>(self->IndexedGetter(index, found))); |
470 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
471 | 0 |
|
472 | 0 | if (found) { |
473 | 0 | if (!result) { |
474 | 0 | vp.setNull(); |
475 | 0 | return true; |
476 | 0 | } |
477 | 0 | if (!GetOrCreateDOMReflector(cx, result, vp)) { |
478 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
479 | 0 | return false; |
480 | 0 | } |
481 | 0 | return true; |
482 | 0 | } |
483 | 0 | // Even if we don't have this index, we don't forward the |
484 | 0 | // get on to our expando object. |
485 | 0 | } else { |
486 | 0 | { // Scope for expando |
487 | 0 | JS::Rooted<JSObject*> expando(cx, DOMProxyHandler::GetExpandoObject(proxy)); |
488 | 0 | if (expando) { |
489 | 0 | bool hasProp; |
490 | 0 | if (!JS_HasPropertyById(cx, expando, id, &hasProp)) { |
491 | 0 | return false; |
492 | 0 | } |
493 | 0 | |
494 | 0 | if (hasProp) { |
495 | 0 | // Forward the get to the expando object, but our receiver is whatever our |
496 | 0 | // receiver is. |
497 | 0 | return JS_ForwardGetPropertyTo(cx, expando, id, receiver, vp); |
498 | 0 | } |
499 | 0 | } |
500 | 0 | } |
501 | 0 | } |
502 | 0 | |
503 | 0 | bool foundOnPrototype; |
504 | 0 | if (!GetPropertyOnPrototype(cx, proxy, receiver, id, &foundOnPrototype, vp)) { |
505 | 0 | return false; |
506 | 0 | } |
507 | 0 | |
508 | 0 | if (foundOnPrototype) { |
509 | 0 | return true; |
510 | 0 | } |
511 | 0 | |
512 | 0 | vp.setUndefined(); |
513 | 0 | return true; |
514 | 0 | } |
515 | | |
516 | | const char* |
517 | | DOMProxyHandler::className(JSContext* cx, JS::Handle<JSObject*> proxy) const |
518 | 0 | { |
519 | 0 | return "ChromeNodeList"; |
520 | 0 | } |
521 | | |
522 | | bool |
523 | | DOMProxyHandler::finalizeInBackground(const JS::Value& priv) const |
524 | 0 | { |
525 | 0 | return false; |
526 | 0 | } |
527 | | |
528 | | void |
529 | | DOMProxyHandler::finalize(JSFreeOp* fop, JSObject* proxy) const |
530 | 0 | { |
531 | 0 | mozilla::dom::ChromeNodeList* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ChromeNodeList>(proxy); |
532 | 0 | if (self) { |
533 | 0 | ClearWrapper(self, self, proxy); |
534 | 0 | AddForDeferredFinalization<mozilla::dom::ChromeNodeList>(self); |
535 | 0 | } |
536 | 0 | } |
537 | | |
538 | | const DOMProxyHandler* |
539 | | DOMProxyHandler::getInstance() |
540 | 0 | { |
541 | 0 | static const DOMProxyHandler instance; |
542 | 0 | return &instance; |
543 | 0 | } |
544 | | |
545 | | bool |
546 | | DOMProxyHandler::delete_(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, JS::ObjectOpResult& opresult) const |
547 | 0 | { |
548 | 0 | MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), |
549 | 0 | "Should not have a XrayWrapper here"); |
550 | 0 |
|
551 | 0 | uint32_t index = GetArrayIndexFromId(cx, id); |
552 | 0 | if (IsArrayIndex(index)) { |
553 | 0 | bool deleteSucceeded; |
554 | 0 | bool found = false; |
555 | 0 | mozilla::dom::ChromeNodeList* self = UnwrapProxy(proxy); |
556 | 0 | auto result(StrongOrRawPtr<nsINode>(self->IndexedGetter(index, found))); |
557 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
558 | 0 | (void)result; |
559 | 0 | deleteSucceeded = !found; |
560 | 0 | return deleteSucceeded ? opresult.succeed() : opresult.failCantDelete(); |
561 | 0 | } |
562 | 0 |
|
563 | 0 | return dom::DOMProxyHandler::delete_(cx, proxy, id, opresult); |
564 | 0 | } |
565 | | |
566 | | bool |
567 | | DOMProxyHandler::getElements(JSContext* cx, JS::Handle<JSObject*> proxy, uint32_t begin, uint32_t end, js::ElementAdder* adder) const |
568 | 0 | { |
569 | 0 | JS::Rooted<JS::Value> temp(cx); |
570 | 0 | MOZ_ASSERT(!xpc::WrapperFactory::IsXrayWrapper(proxy), |
571 | 0 | "Should not have a XrayWrapper here"); |
572 | 0 |
|
573 | 0 | mozilla::dom::ChromeNodeList* self = UnwrapProxy(proxy); |
574 | 0 | uint32_t length = self->Length(); |
575 | 0 | // Compute the end of the indices we'll get ourselves |
576 | 0 | uint32_t ourEnd = std::max(begin, std::min(end, length)); |
577 | 0 |
|
578 | 0 | for (uint32_t index = begin; index < ourEnd; ++index) { |
579 | 0 | bool found = false; |
580 | 0 | auto result(StrongOrRawPtr<nsINode>(self->IndexedGetter(index, found))); |
581 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
582 | 0 |
|
583 | 0 | MOZ_ASSERT(found); |
584 | 0 | if (!result) { |
585 | 0 | temp.setNull(); |
586 | 0 | if (!adder->append(cx, temp)) return false; |
587 | 0 | continue; |
588 | 0 | } |
589 | 0 | if (!GetOrCreateDOMReflector(cx, result, &temp)) { |
590 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
591 | 0 | return false; |
592 | 0 | } |
593 | 0 | if (!adder->append(cx, temp)) return false; |
594 | 0 | continue; |
595 | 0 | } |
596 | 0 |
|
597 | 0 | if (end > ourEnd) { |
598 | 0 | JS::Rooted<JSObject*> proto(cx); |
599 | 0 | if (!js::GetObjectProto(cx, proxy, &proto)) { |
600 | 0 | return false; |
601 | 0 | } |
602 | 0 | return js::GetElementsWithAdder(cx, proto, proxy, ourEnd, end, adder); |
603 | 0 | } |
604 | 0 | |
605 | 0 | return true; |
606 | 0 | } |
607 | | |
608 | | bool |
609 | | DOMProxyHandler::canNurseryAllocate() const |
610 | 0 | { |
611 | 0 | return true; |
612 | 0 | } |
613 | | |
614 | | size_t |
615 | | DOMProxyHandler::objectMoved(JSObject* obj, JSObject* old) const |
616 | 0 | { |
617 | 0 | mozilla::dom::ChromeNodeList* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::ChromeNodeList>(obj); |
618 | 0 | if (self) { |
619 | 0 | UpdateWrapper(self, self, obj, old); |
620 | 0 | } |
621 | 0 |
|
622 | 0 | return 0; |
623 | 0 | } |
624 | | |
625 | | static const DOMJSClass sClass = { |
626 | | PROXY_CLASS_DEF("ChromeNodeList", |
627 | | JSCLASS_IS_DOMJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(1)), |
628 | | { prototypes::id::NodeList, prototypes::id::ChromeNodeList, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, |
629 | | IsBaseOf<nsISupports, mozilla::dom::ChromeNodeList >::value, |
630 | | sNativePropertyHooks, |
631 | | FindAssociatedGlobalForNative<mozilla::dom::ChromeNodeList>::Get, |
632 | | GetProtoObjectHandle, |
633 | | GetCCParticipant<mozilla::dom::ChromeNodeList>::Get() |
634 | | }; |
635 | | |
636 | | bool |
637 | | Wrap(JSContext* aCx, mozilla::dom::ChromeNodeList* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector) |
638 | 0 | { |
639 | 0 | static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::ChromeNodeList>::value, |
640 | 0 | "Shouldn't have wrappercached things that are not refcounted."); |
641 | 0 | MOZ_ASSERT(static_cast<mozilla::dom::ChromeNodeList*>(aObject) == |
642 | 0 | reinterpret_cast<mozilla::dom::ChromeNodeList*>(aObject), |
643 | 0 | "Multiple inheritance for mozilla::dom::ChromeNodeList is broken."); |
644 | 0 | MOZ_ASSERT(static_cast<nsINodeList*>(aObject) == |
645 | 0 | reinterpret_cast<nsINodeList*>(aObject), |
646 | 0 | "Multiple inheritance for nsINodeList is broken."); |
647 | 0 | MOZ_ASSERT(ToSupportsIsCorrect(aObject)); |
648 | 0 | MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); |
649 | 0 | MOZ_ASSERT(!aCache->GetWrapper(), |
650 | 0 | "You should probably not be using Wrap() directly; use " |
651 | 0 | "GetOrCreateDOMReflector instead"); |
652 | 0 |
|
653 | 0 | MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), |
654 | 0 | "nsISupports must be on our primary inheritance chain"); |
655 | 0 |
|
656 | 0 | JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); |
657 | 0 | if (!global) { |
658 | 0 | return false; |
659 | 0 | } |
660 | 0 | MOZ_ASSERT(JS_IsGlobalObject(global)); |
661 | 0 | MOZ_ASSERT(JS::ObjectIsNotGray(global)); |
662 | 0 |
|
663 | 0 | // That might have ended up wrapping us already, due to the wonders |
664 | 0 | // of XBL. Check for that, and bail out as needed. |
665 | 0 | aReflector.set(aCache->GetWrapper()); |
666 | 0 | if (aReflector) { |
667 | | #ifdef DEBUG |
668 | | AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); |
669 | | #endif // DEBUG |
670 | | return true; |
671 | 0 | } |
672 | 0 |
|
673 | 0 | JSAutoRealm ar(aCx, global); |
674 | 0 | JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx); |
675 | 0 | if (!canonicalProto) { |
676 | 0 | return false; |
677 | 0 | } |
678 | 0 | JS::Rooted<JSObject*> proto(aCx); |
679 | 0 | if (aGivenProto) { |
680 | 0 | proto = aGivenProto; |
681 | 0 | // Unfortunately, while aGivenProto was in the compartment of aCx |
682 | 0 | // coming in, we changed compartments to that of "parent" so may need |
683 | 0 | // to wrap the proto here. |
684 | 0 | if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) { |
685 | 0 | if (!JS_WrapObject(aCx, &proto)) { |
686 | 0 | return false; |
687 | 0 | } |
688 | 0 | } |
689 | 0 | } else { |
690 | 0 | proto = canonicalProto; |
691 | 0 | } |
692 | 0 |
|
693 | 0 | BindingJSObjectCreator<mozilla::dom::ChromeNodeList> creator(aCx); |
694 | 0 | creator.CreateProxyObject(aCx, &sClass.mBase, DOMProxyHandler::getInstance(), |
695 | 0 | proto, aObject, JS::UndefinedHandleValue, aReflector); |
696 | 0 | if (!aReflector) { |
697 | 0 | return false; |
698 | 0 | } |
699 | 0 | |
700 | 0 | aCache->SetWrapper(aReflector); |
701 | 0 | creator.InitializationSucceeded(); |
702 | 0 |
|
703 | 0 | MOZ_ASSERT(aCache->GetWrapperPreserveColor() && |
704 | 0 | aCache->GetWrapperPreserveColor() == aReflector); |
705 | 0 | // If proto != canonicalProto, we have to preserve our wrapper; |
706 | 0 | // otherwise we won't be able to properly recreate it later, since |
707 | 0 | // we won't know what proto to use. Note that we don't check |
708 | 0 | // aGivenProto here, since it's entirely possible (and even |
709 | 0 | // somewhat common) to have a non-null aGivenProto which is the |
710 | 0 | // same as canonicalProto. |
711 | 0 | if (proto != canonicalProto) { |
712 | 0 | PreserveWrapper(aObject); |
713 | 0 | } |
714 | 0 |
|
715 | 0 | return true; |
716 | 0 | } |
717 | | |
718 | | static bool |
719 | | ResolveOwnProperty(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::MutableHandle<JS::PropertyDescriptor> desc) |
720 | 0 | { |
721 | 0 | return js::GetProxyHandler(obj)->getOwnPropertyDescriptor(cx, wrapper, id, desc); |
722 | 0 | } |
723 | | |
724 | | static bool |
725 | | EnumerateOwnProperties(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<JSObject*> obj, JS::AutoIdVector& props) |
726 | 0 | { |
727 | 0 | return js::GetProxyHandler(obj)->ownPropertyKeys(cx, wrapper, props); |
728 | 0 | } |
729 | | |
730 | | const NativePropertyHooks sNativePropertyHooks[] = { { |
731 | | ResolveOwnProperty, |
732 | | EnumerateOwnProperties, |
733 | | nullptr, |
734 | | { sNativeProperties.Upcast(), nullptr }, |
735 | | prototypes::id::ChromeNodeList, |
736 | | constructors::id::ChromeNodeList, |
737 | | NodeList_Binding::sNativePropertyHooks, |
738 | | &DefaultXrayExpandoObjectClass |
739 | | } }; |
740 | | |
741 | | void |
742 | | CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal) |
743 | 0 | { |
744 | 0 | JS::Handle<JSObject*> parentProto(NodeList_Binding::GetProtoObjectHandle(aCx)); |
745 | 0 | if (!parentProto) { |
746 | 0 | return; |
747 | 0 | } |
748 | 0 | |
749 | 0 | JS::Handle<JSObject*> constructorProto(NodeList_Binding::GetConstructorObjectHandle(aCx)); |
750 | 0 | if (!constructorProto) { |
751 | 0 | return; |
752 | 0 | } |
753 | 0 | |
754 | 0 | static bool sIdsInited = false; |
755 | 0 | if (!sIdsInited && NS_IsMainThread()) { |
756 | 0 | if (!InitIds(aCx, sNativeProperties.Upcast())) { |
757 | 0 | return; |
758 | 0 | } |
759 | 0 | sIdsInited = true; |
760 | 0 | } |
761 | 0 |
|
762 | 0 | JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::ChromeNodeList); |
763 | 0 | JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::ChromeNodeList); |
764 | 0 | dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, |
765 | 0 | &sPrototypeClass.mBase, protoCache, |
766 | 0 | nullptr, |
767 | 0 | constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr, |
768 | 0 | interfaceCache, |
769 | 0 | sNativeProperties.Upcast(), |
770 | 0 | nullptr, |
771 | 0 | "ChromeNodeList", aDefineOnGlobal, |
772 | 0 | nullptr, |
773 | 0 | false); |
774 | 0 | } |
775 | | |
776 | | JSObject* |
777 | | GetConstructorObject(JSContext* aCx) |
778 | 0 | { |
779 | 0 | return GetConstructorObjectHandle(aCx); |
780 | 0 | } |
781 | | |
782 | | } // namespace ChromeNodeList_Binding |
783 | | |
784 | | |
785 | | |
786 | | } // namespace dom |
787 | | } // namespace mozilla |