/work/obj-fuzz/dom/bindings/HeapSnapshotBinding.cpp
Line | Count | Source (jump to first uncovered line) |
1 | | /* THIS FILE IS AUTOGENERATED FROM HeapSnapshot.webidl BY Codegen.py - DO NOT EDIT */ |
2 | | |
3 | | #include "HeapSnapshotBinding.h" |
4 | | #include "WrapperFactory.h" |
5 | | #include "mozilla/OwningNonNull.h" |
6 | | #include "mozilla/devtools/DominatorTree.h" |
7 | | #include "mozilla/devtools/HeapSnapshot.h" |
8 | | #include "mozilla/dom/BindingUtils.h" |
9 | | #include "mozilla/dom/DOMJSClass.h" |
10 | | #include "mozilla/dom/NonRefcountedDOMObject.h" |
11 | | #include "mozilla/dom/Nullable.h" |
12 | | #include "mozilla/dom/PrimitiveConversions.h" |
13 | | #include "mozilla/dom/XrayExpandoClass.h" |
14 | | #include "nsContentUtils.h" |
15 | | |
16 | | namespace mozilla { |
17 | | namespace dom { |
18 | | |
19 | | namespace binding_detail {}; // Just to make sure it's known as a namespace |
20 | | using namespace mozilla::dom::binding_detail; |
21 | | |
22 | | |
23 | | namespace HeapSnapshot_Binding { |
24 | | |
25 | | MOZ_CAN_RUN_SCRIPT static bool |
26 | | get_creationTime(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::devtools::HeapSnapshot* self, JSJitGetterCallArgs args) |
27 | 0 | { |
28 | 0 | AUTO_PROFILER_LABEL_FAST("get HeapSnapshot.creationTime", DOM, cx); |
29 | 0 |
|
30 | 0 | Nullable<uint64_t> result(self->GetCreationTime()); |
31 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
32 | 0 | if (result.IsNull()) { |
33 | 0 | args.rval().setNull(); |
34 | 0 | return true; |
35 | 0 | } |
36 | 0 | args.rval().set(JS_NumberValue(double(result.Value()))); |
37 | 0 | return true; |
38 | 0 | } |
39 | | |
40 | | static const JSJitInfo creationTime_getterinfo = { |
41 | | { (JSJitGetterOp)get_creationTime }, |
42 | | { prototypes::id::HeapSnapshot }, |
43 | | { PrototypeTraits<prototypes::id::HeapSnapshot>::Depth }, |
44 | | JSJitInfo::Getter, |
45 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
46 | | JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ |
47 | | true, /* isInfallible. False in setters. */ |
48 | | false, /* isMovable. Not relevant for setters. */ |
49 | | false, /* isEliminatable. Not relevant for setters. */ |
50 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
51 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
52 | | false, /* isTypedMethod. Only relevant for methods. */ |
53 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
54 | | }; |
55 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
56 | | static_assert(0 < 1, "There is no slot for us"); |
57 | | |
58 | | MOZ_CAN_RUN_SCRIPT static bool |
59 | | takeCensus(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::devtools::HeapSnapshot* self, const JSJitMethodCallArgs& args) |
60 | 0 | { |
61 | 0 | AUTO_PROFILER_LABEL_FAST("HeapSnapshot.takeCensus", DOM, cx); |
62 | 0 |
|
63 | 0 | if (MOZ_UNLIKELY(args.length() < 1)) { |
64 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "HeapSnapshot.takeCensus"); |
65 | 0 | } |
66 | 0 | JS::Rooted<JSObject*> arg0(cx); |
67 | 0 | if (args[0].isObject()) { |
68 | 0 | arg0 = &args[0].toObject(); |
69 | 0 | } else if (args[0].isNullOrUndefined()) { |
70 | 0 | arg0 = nullptr; |
71 | 0 | } else { |
72 | 0 | ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of HeapSnapshot.takeCensus"); |
73 | 0 | return false; |
74 | 0 | } |
75 | 0 | FastErrorResult rv; |
76 | 0 | JS::Rooted<JS::Value> result(cx); |
77 | 0 | self->TakeCensus(cx, arg0, &result, rv); |
78 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
79 | 0 | return false; |
80 | 0 | } |
81 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
82 | 0 | JS::ExposeValueToActiveJS(result); |
83 | 0 | args.rval().set(result); |
84 | 0 | if (!MaybeWrapValue(cx, args.rval())) { |
85 | 0 | return false; |
86 | 0 | } |
87 | 0 | return true; |
88 | 0 | } |
89 | | |
90 | | static const JSJitInfo takeCensus_methodinfo = { |
91 | | { (JSJitGetterOp)takeCensus }, |
92 | | { prototypes::id::HeapSnapshot }, |
93 | | { PrototypeTraits<prototypes::id::HeapSnapshot>::Depth }, |
94 | | JSJitInfo::Method, |
95 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
96 | | JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ |
97 | | false, /* isInfallible. False in setters. */ |
98 | | false, /* isMovable. Not relevant for setters. */ |
99 | | false, /* isEliminatable. Not relevant for setters. */ |
100 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
101 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
102 | | false, /* isTypedMethod. Only relevant for methods. */ |
103 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
104 | | }; |
105 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
106 | | static_assert(0 < 1, "There is no slot for us"); |
107 | | |
108 | | MOZ_CAN_RUN_SCRIPT static bool |
109 | | describeNode(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::devtools::HeapSnapshot* self, const JSJitMethodCallArgs& args) |
110 | 0 | { |
111 | 0 | AUTO_PROFILER_LABEL_FAST("HeapSnapshot.describeNode", DOM, cx); |
112 | 0 |
|
113 | 0 | if (MOZ_UNLIKELY(args.length() < 2)) { |
114 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "HeapSnapshot.describeNode"); |
115 | 0 | } |
116 | 0 | JS::Rooted<JSObject*> arg0(cx); |
117 | 0 | if (args[0].isObject()) { |
118 | 0 | arg0 = &args[0].toObject(); |
119 | 0 | } else { |
120 | 0 | ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of HeapSnapshot.describeNode"); |
121 | 0 | return false; |
122 | 0 | } |
123 | 0 | uint64_t arg1; |
124 | 0 | if (!ValueToPrimitive<uint64_t, eDefault>(cx, args[1], &arg1)) { |
125 | 0 | return false; |
126 | 0 | } |
127 | 0 | FastErrorResult rv; |
128 | 0 | JS::Rooted<JS::Value> result(cx); |
129 | 0 | self->DescribeNode(cx, arg0, arg1, &result, rv); |
130 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
131 | 0 | return false; |
132 | 0 | } |
133 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
134 | 0 | JS::ExposeValueToActiveJS(result); |
135 | 0 | args.rval().set(result); |
136 | 0 | if (!MaybeWrapValue(cx, args.rval())) { |
137 | 0 | return false; |
138 | 0 | } |
139 | 0 | return true; |
140 | 0 | } |
141 | | |
142 | | static const JSJitInfo describeNode_methodinfo = { |
143 | | { (JSJitGetterOp)describeNode }, |
144 | | { prototypes::id::HeapSnapshot }, |
145 | | { PrototypeTraits<prototypes::id::HeapSnapshot>::Depth }, |
146 | | JSJitInfo::Method, |
147 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
148 | | JSVAL_TYPE_UNKNOWN, /* returnType. Not relevant for setters. */ |
149 | | false, /* isInfallible. False in setters. */ |
150 | | false, /* isMovable. Not relevant for setters. */ |
151 | | false, /* isEliminatable. Not relevant for setters. */ |
152 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
153 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
154 | | false, /* isTypedMethod. Only relevant for methods. */ |
155 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
156 | | }; |
157 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
158 | | static_assert(0 < 1, "There is no slot for us"); |
159 | | |
160 | | MOZ_CAN_RUN_SCRIPT static bool |
161 | | computeDominatorTree(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::devtools::HeapSnapshot* self, const JSJitMethodCallArgs& args) |
162 | 0 | { |
163 | 0 | AUTO_PROFILER_LABEL_FAST("HeapSnapshot.computeDominatorTree", DOM, cx); |
164 | 0 |
|
165 | 0 | FastErrorResult rv; |
166 | 0 | auto result(StrongOrRawPtr<mozilla::devtools::DominatorTree>(self->ComputeDominatorTree(rv))); |
167 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
168 | 0 | return false; |
169 | 0 | } |
170 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
171 | 0 | if (!GetOrCreateDOMReflector(cx, result, args.rval())) { |
172 | 0 | MOZ_ASSERT(JS_IsExceptionPending(cx)); |
173 | 0 | return false; |
174 | 0 | } |
175 | 0 | return true; |
176 | 0 | } |
177 | | |
178 | | static const JSJitInfo computeDominatorTree_methodinfo = { |
179 | | { (JSJitGetterOp)computeDominatorTree }, |
180 | | { prototypes::id::HeapSnapshot }, |
181 | | { PrototypeTraits<prototypes::id::HeapSnapshot>::Depth }, |
182 | | JSJitInfo::Method, |
183 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
184 | | JSVAL_TYPE_OBJECT, /* returnType. Not relevant for setters. */ |
185 | | false, /* isInfallible. False in setters. */ |
186 | | false, /* isMovable. Not relevant for setters. */ |
187 | | false, /* isEliminatable. Not relevant for setters. */ |
188 | | false, /* isAlwaysInSlot. Only relevant for getters. */ |
189 | | false, /* isLazilyCachedInSlot. Only relevant for getters. */ |
190 | | false, /* isTypedMethod. Only relevant for methods. */ |
191 | | 0 /* Reserved slot index, if we're stored in a slot, else 0. */ |
192 | | }; |
193 | | static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit"); |
194 | | static_assert(0 < 1, "There is no slot for us"); |
195 | | |
196 | | MOZ_CAN_RUN_SCRIPT static bool |
197 | | computeShortestPaths(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::devtools::HeapSnapshot* self, const JSJitMethodCallArgs& args) |
198 | 0 | { |
199 | 0 | AUTO_PROFILER_LABEL_FAST("HeapSnapshot.computeShortestPaths", DOM, cx); |
200 | 0 |
|
201 | 0 | if (MOZ_UNLIKELY(args.length() < 3)) { |
202 | 0 | return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "HeapSnapshot.computeShortestPaths"); |
203 | 0 | } |
204 | 0 | uint64_t arg0; |
205 | 0 | if (!ValueToPrimitive<uint64_t, eDefault>(cx, args[0], &arg0)) { |
206 | 0 | return false; |
207 | 0 | } |
208 | 0 | binding_detail::AutoSequence<uint64_t> arg1; |
209 | 0 | if (args[1].isObject()) { |
210 | 0 | JS::ForOfIterator iter(cx); |
211 | 0 | if (!iter.init(args[1], JS::ForOfIterator::AllowNonIterable)) { |
212 | 0 | return false; |
213 | 0 | } |
214 | 0 | if (!iter.valueIsIterable()) { |
215 | 0 | ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 2 of HeapSnapshot.computeShortestPaths"); |
216 | 0 | return false; |
217 | 0 | } |
218 | 0 | binding_detail::AutoSequence<uint64_t> &arr = arg1; |
219 | 0 | JS::Rooted<JS::Value> temp(cx); |
220 | 0 | while (true) { |
221 | 0 | bool done; |
222 | 0 | if (!iter.next(&temp, &done)) { |
223 | 0 | return false; |
224 | 0 | } |
225 | 0 | if (done) { |
226 | 0 | break; |
227 | 0 | } |
228 | 0 | uint64_t* slotPtr = arr.AppendElement(mozilla::fallible); |
229 | 0 | if (!slotPtr) { |
230 | 0 | JS_ReportOutOfMemory(cx); |
231 | 0 | return false; |
232 | 0 | } |
233 | 0 | uint64_t& slot = *slotPtr; |
234 | 0 | if (!ValueToPrimitive<uint64_t, eDefault>(cx, temp, &slot)) { |
235 | 0 | return false; |
236 | 0 | } |
237 | 0 | } |
238 | 0 | } else { |
239 | 0 | ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 2 of HeapSnapshot.computeShortestPaths"); |
240 | 0 | return false; |
241 | 0 | } |
242 | 0 | uint64_t arg2; |
243 | 0 | if (!ValueToPrimitive<uint64_t, eDefault>(cx, args[2], &arg2)) { |
244 | 0 | return false; |
245 | 0 | } |
246 | 0 | FastErrorResult rv; |
247 | 0 | JS::Rooted<JSObject*> result(cx); |
248 | 0 | self->ComputeShortestPaths(cx, arg0, Constify(arg1), arg2, &result, rv); |
249 | 0 | if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) { |
250 | 0 | return false; |
251 | 0 | } |
252 | 0 | MOZ_ASSERT(!JS_IsExceptionPending(cx)); |
253 | 0 | JS::ExposeObjectToActiveJS(result); |
254 | 0 | args.rval().setObject(*result); |
255 | 0 | if (!MaybeWrapObjectValue(cx, args.rval())) { |
256 | 0 | return false; |
257 | 0 | } |
258 | 0 | return true; |
259 | 0 | } |
260 | | |
261 | | static const JSJitInfo computeShortestPaths_methodinfo = { |
262 | | { (JSJitGetterOp)computeShortestPaths }, |
263 | | { prototypes::id::HeapSnapshot }, |
264 | | { PrototypeTraits<prototypes::id::HeapSnapshot>::Depth }, |
265 | | JSJitInfo::Method, |
266 | | JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */ |
267 | | JSVAL_TYPE_OBJECT, /* 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 | | |
279 | | static bool |
280 | | _addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val) |
281 | 0 | { |
282 | 0 | mozilla::devtools::HeapSnapshot* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::devtools::HeapSnapshot>(obj); |
283 | 0 | // We don't want to preserve if we don't have a wrapper, and we |
284 | 0 | // obviously can't preserve if we're not initialized. |
285 | 0 | if (self && self->GetWrapperPreserveColor()) { |
286 | 0 | PreserveWrapper(self); |
287 | 0 | } |
288 | 0 | return true; |
289 | 0 | } |
290 | | |
291 | | static void |
292 | | _finalize(js::FreeOp* fop, JSObject* obj) |
293 | 0 | { |
294 | 0 | mozilla::devtools::HeapSnapshot* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::devtools::HeapSnapshot>(obj); |
295 | 0 | if (self) { |
296 | 0 | ClearWrapper(self, self, obj); |
297 | 0 | AddForDeferredFinalization<mozilla::devtools::HeapSnapshot>(self); |
298 | 0 | } |
299 | 0 | } |
300 | | |
301 | | static size_t |
302 | | _objectMoved(JSObject* obj, JSObject* old) |
303 | 0 | { |
304 | 0 | mozilla::devtools::HeapSnapshot* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::devtools::HeapSnapshot>(obj); |
305 | 0 | if (self) { |
306 | 0 | UpdateWrapper(self, self, obj, old); |
307 | 0 | } |
308 | 0 |
|
309 | 0 | return 0; |
310 | 0 | } |
311 | | |
312 | | // We deliberately use brace-elision to make Visual Studio produce better initalization code. |
313 | | #if defined(__clang__) |
314 | | #pragma clang diagnostic push |
315 | | #pragma clang diagnostic ignored "-Wmissing-braces" |
316 | | #endif |
317 | | static const JSFunctionSpec sMethods_specs[] = { |
318 | | JS_FNSPEC("takeCensus", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&takeCensus_methodinfo), 1, JSPROP_ENUMERATE, nullptr), |
319 | | JS_FNSPEC("describeNode", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&describeNode_methodinfo), 2, JSPROP_ENUMERATE, nullptr), |
320 | | JS_FNSPEC("computeDominatorTree", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&computeDominatorTree_methodinfo), 0, JSPROP_ENUMERATE, nullptr), |
321 | | JS_FNSPEC("computeShortestPaths", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&computeShortestPaths_methodinfo), 3, JSPROP_ENUMERATE, nullptr), |
322 | | JS_FS_END |
323 | | }; |
324 | | #if defined(__clang__) |
325 | | #pragma clang diagnostic pop |
326 | | #endif |
327 | | |
328 | | |
329 | | static const Prefable<const JSFunctionSpec> sMethods[] = { |
330 | | { nullptr, &sMethods_specs[0] }, |
331 | | { nullptr, nullptr } |
332 | | }; |
333 | | |
334 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, |
335 | | "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); |
336 | | static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, |
337 | | "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); |
338 | | |
339 | | // We deliberately use brace-elision to make Visual Studio produce better initalization code. |
340 | | #if defined(__clang__) |
341 | | #pragma clang diagnostic push |
342 | | #pragma clang diagnostic ignored "-Wmissing-braces" |
343 | | #endif |
344 | | static const JSPropertySpec sAttributes_specs[] = { |
345 | | { "creationTime", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &creationTime_getterinfo, nullptr, nullptr }, |
346 | | { nullptr, 0, nullptr, nullptr, nullptr, nullptr } |
347 | | }; |
348 | | #if defined(__clang__) |
349 | | #pragma clang diagnostic pop |
350 | | #endif |
351 | | |
352 | | |
353 | | static const Prefable<const JSPropertySpec> sAttributes[] = { |
354 | | { nullptr, &sAttributes_specs[0] }, |
355 | | { nullptr, nullptr } |
356 | | }; |
357 | | |
358 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX, |
359 | | "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)"); |
360 | | static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX, |
361 | | "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)"); |
362 | | |
363 | | |
364 | | static uint16_t sNativeProperties_sortedPropertyIndices[5]; |
365 | | static PropertyInfo sNativeProperties_propertyInfos[5]; |
366 | | |
367 | | static const NativePropertiesN<2> sNativeProperties = { |
368 | | false, 0, |
369 | | false, 0, |
370 | | true, 0 /* sMethods */, |
371 | | true, 1 /* sAttributes */, |
372 | | false, 0, |
373 | | false, 0, |
374 | | false, 0, |
375 | | -1, |
376 | | 5, |
377 | | sNativeProperties_sortedPropertyIndices, |
378 | | { |
379 | | { sMethods, &sNativeProperties_propertyInfos[0] }, |
380 | | { sAttributes, &sNativeProperties_propertyInfos[4] } |
381 | | } |
382 | | }; |
383 | | static_assert(5 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount), |
384 | | "We have a property info count that is oversized"); |
385 | | |
386 | | static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = { |
387 | | { |
388 | | "Function", |
389 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE), |
390 | | &sBoringInterfaceObjectClassClassOps, |
391 | | JS_NULL_CLASS_SPEC, |
392 | | JS_NULL_CLASS_EXT, |
393 | | &sInterfaceObjectClassObjectOps |
394 | | }, |
395 | | eInterface, |
396 | | true, |
397 | | prototypes::id::HeapSnapshot, |
398 | | PrototypeTraits<prototypes::id::HeapSnapshot>::Depth, |
399 | | sNativePropertyHooks, |
400 | | "function HeapSnapshot() {\n [native code]\n}", |
401 | | JS::GetRealmFunctionPrototype |
402 | | }; |
403 | | |
404 | | static const DOMIfaceAndProtoJSClass sPrototypeClass = { |
405 | | { |
406 | | "HeapSnapshotPrototype", |
407 | | JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE), |
408 | | JS_NULL_CLASS_OPS, |
409 | | JS_NULL_CLASS_SPEC, |
410 | | JS_NULL_CLASS_EXT, |
411 | | JS_NULL_OBJECT_OPS |
412 | | }, |
413 | | eInterfacePrototype, |
414 | | false, |
415 | | prototypes::id::HeapSnapshot, |
416 | | PrototypeTraits<prototypes::id::HeapSnapshot>::Depth, |
417 | | sNativePropertyHooks, |
418 | | "[object HeapSnapshotPrototype]", |
419 | | JS::GetRealmObjectPrototype |
420 | | }; |
421 | | |
422 | | bool |
423 | | ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj) |
424 | 0 | { |
425 | 0 | return nsContentUtils::ThreadsafeIsSystemCaller(aCx); |
426 | 0 | } |
427 | | |
428 | | static const js::ClassOps sClassOps = { |
429 | | _addProperty, /* addProperty */ |
430 | | nullptr, /* delProperty */ |
431 | | nullptr, /* enumerate */ |
432 | | nullptr, /* newEnumerate */ |
433 | | nullptr, /* resolve */ |
434 | | nullptr, /* mayResolve */ |
435 | | _finalize, /* finalize */ |
436 | | nullptr, /* call */ |
437 | | nullptr, /* hasInstance */ |
438 | | nullptr, /* construct */ |
439 | | nullptr, /* trace */ |
440 | | }; |
441 | | |
442 | | static const js::ClassExtension sClassExtension = { |
443 | | nullptr, /* weakmapKeyDelegateOp */ |
444 | | _objectMoved /* objectMovedOp */ |
445 | | }; |
446 | | |
447 | | static const DOMJSClass sClass = { |
448 | | { "HeapSnapshot", |
449 | | JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1), |
450 | | &sClassOps, |
451 | | JS_NULL_CLASS_SPEC, |
452 | | &sClassExtension, |
453 | | JS_NULL_OBJECT_OPS |
454 | | }, |
455 | | { prototypes::id::HeapSnapshot, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count }, |
456 | | IsBaseOf<nsISupports, mozilla::devtools::HeapSnapshot >::value, |
457 | | sNativePropertyHooks, |
458 | | FindAssociatedGlobalForNative<mozilla::devtools::HeapSnapshot>::Get, |
459 | | GetProtoObjectHandle, |
460 | | GetCCParticipant<mozilla::devtools::HeapSnapshot>::Get() |
461 | | }; |
462 | | static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS, |
463 | | "Must have the right minimal number of reserved slots."); |
464 | | static_assert(1 >= 1, |
465 | | "Must have enough reserved slots."); |
466 | | |
467 | | const JSClass* |
468 | | GetJSClass() |
469 | 0 | { |
470 | 0 | return sClass.ToJSClass(); |
471 | 0 | } |
472 | | |
473 | | bool |
474 | | Wrap(JSContext* aCx, mozilla::devtools::HeapSnapshot* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector) |
475 | 0 | { |
476 | 0 | static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::devtools::HeapSnapshot>::value, |
477 | 0 | "Shouldn't have wrappercached things that are not refcounted."); |
478 | 0 | MOZ_ASSERT(static_cast<mozilla::devtools::HeapSnapshot*>(aObject) == |
479 | 0 | reinterpret_cast<mozilla::devtools::HeapSnapshot*>(aObject), |
480 | 0 | "Multiple inheritance for mozilla::devtools::HeapSnapshot is broken."); |
481 | 0 | MOZ_ASSERT(ToSupportsIsCorrect(aObject)); |
482 | 0 | MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx)); |
483 | 0 | MOZ_ASSERT(!aCache->GetWrapper(), |
484 | 0 | "You should probably not be using Wrap() directly; use " |
485 | 0 | "GetOrCreateDOMReflector instead"); |
486 | 0 |
|
487 | 0 | MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache), |
488 | 0 | "nsISupports must be on our primary inheritance chain"); |
489 | 0 |
|
490 | 0 | JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject())); |
491 | 0 | if (!global) { |
492 | 0 | return false; |
493 | 0 | } |
494 | 0 | MOZ_ASSERT(JS_IsGlobalObject(global)); |
495 | 0 | MOZ_ASSERT(JS::ObjectIsNotGray(global)); |
496 | 0 |
|
497 | 0 | // That might have ended up wrapping us already, due to the wonders |
498 | 0 | // of XBL. Check for that, and bail out as needed. |
499 | 0 | aReflector.set(aCache->GetWrapper()); |
500 | 0 | if (aReflector) { |
501 | | #ifdef DEBUG |
502 | | AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto); |
503 | | #endif // DEBUG |
504 | | return true; |
505 | 0 | } |
506 | 0 |
|
507 | 0 | JSAutoRealm ar(aCx, global); |
508 | 0 | JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx); |
509 | 0 | if (!canonicalProto) { |
510 | 0 | return false; |
511 | 0 | } |
512 | 0 | JS::Rooted<JSObject*> proto(aCx); |
513 | 0 | if (aGivenProto) { |
514 | 0 | proto = aGivenProto; |
515 | 0 | // Unfortunately, while aGivenProto was in the compartment of aCx |
516 | 0 | // coming in, we changed compartments to that of "parent" so may need |
517 | 0 | // to wrap the proto here. |
518 | 0 | if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) { |
519 | 0 | if (!JS_WrapObject(aCx, &proto)) { |
520 | 0 | return false; |
521 | 0 | } |
522 | 0 | } |
523 | 0 | } else { |
524 | 0 | proto = canonicalProto; |
525 | 0 | } |
526 | 0 |
|
527 | 0 | BindingJSObjectCreator<mozilla::devtools::HeapSnapshot> creator(aCx); |
528 | 0 | creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector); |
529 | 0 | if (!aReflector) { |
530 | 0 | return false; |
531 | 0 | } |
532 | 0 | |
533 | 0 | aCache->SetWrapper(aReflector); |
534 | 0 | creator.InitializationSucceeded(); |
535 | 0 |
|
536 | 0 | MOZ_ASSERT(aCache->GetWrapperPreserveColor() && |
537 | 0 | aCache->GetWrapperPreserveColor() == aReflector); |
538 | 0 | // If proto != canonicalProto, we have to preserve our wrapper; |
539 | 0 | // otherwise we won't be able to properly recreate it later, since |
540 | 0 | // we won't know what proto to use. Note that we don't check |
541 | 0 | // aGivenProto here, since it's entirely possible (and even |
542 | 0 | // somewhat common) to have a non-null aGivenProto which is the |
543 | 0 | // same as canonicalProto. |
544 | 0 | if (proto != canonicalProto) { |
545 | 0 | PreserveWrapper(aObject); |
546 | 0 | } |
547 | 0 |
|
548 | 0 | return true; |
549 | 0 | } |
550 | | |
551 | | const NativePropertyHooks sNativePropertyHooks[] = { { |
552 | | nullptr, |
553 | | nullptr, |
554 | | nullptr, |
555 | | { sNativeProperties.Upcast(), nullptr }, |
556 | | prototypes::id::HeapSnapshot, |
557 | | constructors::id::HeapSnapshot, |
558 | | nullptr, |
559 | | &DefaultXrayExpandoObjectClass |
560 | | } }; |
561 | | |
562 | | void |
563 | | CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal) |
564 | 0 | { |
565 | 0 | JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx)); |
566 | 0 | if (!parentProto) { |
567 | 0 | return; |
568 | 0 | } |
569 | 0 | |
570 | 0 | JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx)); |
571 | 0 | if (!constructorProto) { |
572 | 0 | return; |
573 | 0 | } |
574 | 0 | |
575 | 0 | static bool sIdsInited = false; |
576 | 0 | if (!sIdsInited && NS_IsMainThread()) { |
577 | 0 | if (!InitIds(aCx, sNativeProperties.Upcast())) { |
578 | 0 | return; |
579 | 0 | } |
580 | 0 | sIdsInited = true; |
581 | 0 | } |
582 | 0 |
|
583 | 0 | JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::HeapSnapshot); |
584 | 0 | JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::HeapSnapshot); |
585 | 0 | dom::CreateInterfaceObjects(aCx, aGlobal, parentProto, |
586 | 0 | &sPrototypeClass.mBase, protoCache, |
587 | 0 | nullptr, |
588 | 0 | constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr, |
589 | 0 | interfaceCache, |
590 | 0 | sNativeProperties.Upcast(), |
591 | 0 | nullptr, |
592 | 0 | "HeapSnapshot", aDefineOnGlobal, |
593 | 0 | nullptr, |
594 | 0 | false); |
595 | 0 | } |
596 | | |
597 | | JSObject* |
598 | | GetConstructorObject(JSContext* aCx) |
599 | 0 | { |
600 | 0 | return GetConstructorObjectHandle(aCx); |
601 | 0 | } |
602 | | |
603 | | } // namespace HeapSnapshot_Binding |
604 | | |
605 | | |
606 | | |
607 | | } // namespace dom |
608 | | } // namespace mozilla |