Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/BrowsingContextBinding.cpp
Line
Count
Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM BrowsingContext.webidl BY Codegen.py - DO NOT EDIT */
2
3
#include "BrowsingContextBinding.h"
4
#include "WrapperFactory.h"
5
#include "mozilla/OwningNonNull.h"
6
#include "mozilla/dom/BindingUtils.h"
7
#include "mozilla/dom/BrowsingContext.h"
8
#include "mozilla/dom/DOMJSClass.h"
9
#include "mozilla/dom/NonRefcountedDOMObject.h"
10
#include "mozilla/dom/Nullable.h"
11
#include "mozilla/dom/PrimitiveConversions.h"
12
#include "mozilla/dom/XrayExpandoClass.h"
13
#include "nsContentUtils.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 BrowsingContext_Binding {
23
24
MOZ_CAN_RUN_SCRIPT static bool
25
get_parent(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::BrowsingContext* self, JSJitGetterCallArgs args)
26
0
{
27
0
  AUTO_PROFILER_LABEL_FAST("get BrowsingContext.parent", DOM, cx);
28
0
29
0
  auto result(StrongOrRawPtr<mozilla::dom::BrowsingContext>(self->GetParent()));
30
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
31
0
  if (!result) {
32
0
    args.rval().setNull();
33
0
    return true;
34
0
  }
35
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
36
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
37
0
    return false;
38
0
  }
39
0
  return true;
40
0
}
41
42
static const JSJitInfo parent_getterinfo = {
43
  { (JSJitGetterOp)get_parent },
44
  { prototypes::id::BrowsingContext },
45
  { PrototypeTraits<prototypes::id::BrowsingContext>::Depth },
46
  JSJitInfo::Getter,
47
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
48
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
49
  false,  /* isInfallible. False in setters. */
50
  false,  /* isMovable.  Not relevant for setters. */
51
  false, /* isEliminatable.  Not relevant for setters. */
52
  false, /* isAlwaysInSlot.  Only relevant for getters. */
53
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
54
  false,  /* isTypedMethod.  Only relevant for methods. */
55
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
56
};
57
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
58
static_assert(0 < 1, "There is no slot for us");
59
60
MOZ_CAN_RUN_SCRIPT static bool
61
getChildren(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::BrowsingContext* self, const JSJitMethodCallArgs& args)
62
0
{
63
0
  AUTO_PROFILER_LABEL_FAST("BrowsingContext.getChildren", DOM, cx);
64
0
65
0
  nsTArray<StrongPtrForMember<mozilla::dom::BrowsingContext>::Type> result;
66
0
  self->GetChildren(result);
67
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
68
0
69
0
  uint32_t length = result.Length();
70
0
  JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
71
0
  if (!returnArray) {
72
0
    return false;
73
0
  }
74
0
  // Scope for 'tmp'
75
0
  {
76
0
    JS::Rooted<JS::Value> tmp(cx);
77
0
    for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) {
78
0
      // Control block to let us common up the JS_DefineElement calls when there
79
0
      // are different ways to succeed at wrapping the object.
80
0
      do {
81
0
        if (!GetOrCreateDOMReflector(cx, result[sequenceIdx0], &tmp)) {
82
0
          MOZ_ASSERT(JS_IsExceptionPending(cx));
83
0
          return false;
84
0
        }
85
0
        break;
86
0
      } while (false);
87
0
      if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
88
0
                            JSPROP_ENUMERATE)) {
89
0
        return false;
90
0
      }
91
0
    }
92
0
  }
93
0
  args.rval().setObject(*returnArray);
94
0
  return true;
95
0
}
96
97
static const JSJitInfo getChildren_methodinfo = {
98
  { (JSJitGetterOp)getChildren },
99
  { prototypes::id::BrowsingContext },
100
  { PrototypeTraits<prototypes::id::BrowsingContext>::Depth },
101
  JSJitInfo::Method,
102
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
103
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
104
  false,  /* isInfallible. False in setters. */
105
  false,  /* isMovable.  Not relevant for setters. */
106
  false, /* isEliminatable.  Not relevant for setters. */
107
  false, /* isAlwaysInSlot.  Only relevant for getters. */
108
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
109
  false,  /* isTypedMethod.  Only relevant for methods. */
110
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
111
};
112
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
113
static_assert(0 < 1, "There is no slot for us");
114
115
MOZ_CAN_RUN_SCRIPT static bool
116
get_id(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::BrowsingContext* self, JSJitGetterCallArgs args)
117
0
{
118
0
  AUTO_PROFILER_LABEL_FAST("get BrowsingContext.id", DOM, cx);
119
0
120
0
  uint64_t result(self->Id());
121
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
122
0
  args.rval().set(JS_NumberValue(double(result)));
123
0
  return true;
124
0
}
125
126
static const JSJitInfo id_getterinfo = {
127
  { (JSJitGetterOp)get_id },
128
  { prototypes::id::BrowsingContext },
129
  { PrototypeTraits<prototypes::id::BrowsingContext>::Depth },
130
  JSJitInfo::Getter,
131
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
132
  JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */
133
  true,  /* 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
144
static bool
145
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
146
0
{
147
0
  mozilla::dom::BrowsingContext* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::BrowsingContext>(obj);
148
0
  // We don't want to preserve if we don't have a wrapper, and we
149
0
  // obviously can't preserve if we're not initialized.
150
0
  if (self && self->GetWrapperPreserveColor()) {
151
0
    PreserveWrapper(self);
152
0
  }
153
0
  return true;
154
0
}
155
156
static void
157
_finalize(js::FreeOp* fop, JSObject* obj)
158
0
{
159
0
  mozilla::dom::BrowsingContext* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::BrowsingContext>(obj);
160
0
  if (self) {
161
0
    ClearWrapper(self, self, obj);
162
0
    AddForDeferredFinalization<mozilla::dom::BrowsingContext>(self);
163
0
  }
164
0
}
165
166
static size_t
167
_objectMoved(JSObject* obj, JSObject* old)
168
0
{
169
0
  mozilla::dom::BrowsingContext* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::BrowsingContext>(obj);
170
0
  if (self) {
171
0
    UpdateWrapper(self, self, obj, old);
172
0
  }
173
0
174
0
  return 0;
175
0
}
176
177
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
178
#if defined(__clang__)
179
#pragma clang diagnostic push
180
#pragma clang diagnostic ignored "-Wmissing-braces"
181
#endif
182
static const JSFunctionSpec sMethods_specs[] = {
183
  JS_FNSPEC("getChildren", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getChildren_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
184
  JS_FS_END
185
};
186
#if defined(__clang__)
187
#pragma clang diagnostic pop
188
#endif
189
190
191
static const Prefable<const JSFunctionSpec> sMethods[] = {
192
  { nullptr, &sMethods_specs[0] },
193
  { nullptr, nullptr }
194
};
195
196
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
197
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
198
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
199
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
200
201
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
202
#if defined(__clang__)
203
#pragma clang diagnostic push
204
#pragma clang diagnostic ignored "-Wmissing-braces"
205
#endif
206
static const JSPropertySpec sAttributes_specs[] = {
207
  { "parent", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &parent_getterinfo, nullptr, nullptr },
208
  { "id", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &id_getterinfo, nullptr, nullptr },
209
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
210
};
211
#if defined(__clang__)
212
#pragma clang diagnostic pop
213
#endif
214
215
216
static const Prefable<const JSPropertySpec> sAttributes[] = {
217
  { nullptr, &sAttributes_specs[0] },
218
  { nullptr, nullptr }
219
};
220
221
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
222
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
223
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
224
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
225
226
227
static uint16_t sNativeProperties_sortedPropertyIndices[3];
228
static PropertyInfo sNativeProperties_propertyInfos[3];
229
230
static const NativePropertiesN<2> sNativeProperties = {
231
  false, 0,
232
  false, 0,
233
  true,  0 /* sMethods */,
234
  true,  1 /* sAttributes */,
235
  false, 0,
236
  false, 0,
237
  false, 0,
238
  -1,
239
  3,
240
  sNativeProperties_sortedPropertyIndices,
241
  {
242
    { sMethods, &sNativeProperties_propertyInfos[0] },
243
    { sAttributes, &sNativeProperties_propertyInfos[1] }
244
  }
245
};
246
static_assert(3 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
247
    "We have a property info count that is oversized");
248
249
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
250
  {
251
    "Function",
252
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
253
    &sBoringInterfaceObjectClassClassOps,
254
    JS_NULL_CLASS_SPEC,
255
    JS_NULL_CLASS_EXT,
256
    &sInterfaceObjectClassObjectOps
257
  },
258
  eInterface,
259
  true,
260
  prototypes::id::BrowsingContext,
261
  PrototypeTraits<prototypes::id::BrowsingContext>::Depth,
262
  sNativePropertyHooks,
263
  "function BrowsingContext() {\n    [native code]\n}",
264
  JS::GetRealmFunctionPrototype
265
};
266
267
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
268
  {
269
    "BrowsingContextPrototype",
270
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
271
    JS_NULL_CLASS_OPS,
272
    JS_NULL_CLASS_SPEC,
273
    JS_NULL_CLASS_EXT,
274
    JS_NULL_OBJECT_OPS
275
  },
276
  eInterfacePrototype,
277
  false,
278
  prototypes::id::BrowsingContext,
279
  PrototypeTraits<prototypes::id::BrowsingContext>::Depth,
280
  sNativePropertyHooks,
281
  "[object BrowsingContextPrototype]",
282
  JS::GetRealmObjectPrototype
283
};
284
285
bool
286
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
287
0
{
288
0
  return nsContentUtils::ThreadsafeIsSystemCaller(aCx);
289
0
}
290
291
static const js::ClassOps sClassOps = {
292
  _addProperty, /* addProperty */
293
  nullptr,               /* delProperty */
294
  nullptr,               /* enumerate */
295
  nullptr, /* newEnumerate */
296
  nullptr, /* resolve */
297
  nullptr, /* mayResolve */
298
  _finalize, /* finalize */
299
  nullptr, /* call */
300
  nullptr,               /* hasInstance */
301
  nullptr,               /* construct */
302
  nullptr, /* trace */
303
};
304
305
static const js::ClassExtension sClassExtension = {
306
  nullptr, /* weakmapKeyDelegateOp */
307
  _objectMoved /* objectMovedOp */
308
};
309
310
static const DOMJSClass sClass = {
311
  { "BrowsingContext",
312
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
313
    &sClassOps,
314
    JS_NULL_CLASS_SPEC,
315
    &sClassExtension,
316
    JS_NULL_OBJECT_OPS
317
  },
318
  { prototypes::id::BrowsingContext, 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 },
319
  IsBaseOf<nsISupports, mozilla::dom::BrowsingContext >::value,
320
  sNativePropertyHooks,
321
  FindAssociatedGlobalForNative<mozilla::dom::BrowsingContext>::Get,
322
  GetProtoObjectHandle,
323
  GetCCParticipant<mozilla::dom::BrowsingContext>::Get()
324
};
325
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
326
              "Must have the right minimal number of reserved slots.");
327
static_assert(1 >= 1,
328
              "Must have enough reserved slots.");
329
330
const JSClass*
331
GetJSClass()
332
0
{
333
0
  return sClass.ToJSClass();
334
0
}
335
336
bool
337
Wrap(JSContext* aCx, mozilla::dom::BrowsingContext* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
338
0
{
339
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::BrowsingContext>::value,
340
0
                "Shouldn't have wrappercached things that are not refcounted.");
341
0
  MOZ_ASSERT(static_cast<mozilla::dom::BrowsingContext*>(aObject) ==
342
0
             reinterpret_cast<mozilla::dom::BrowsingContext*>(aObject),
343
0
             "Multiple inheritance for mozilla::dom::BrowsingContext is broken.");
344
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
345
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
346
0
  MOZ_ASSERT(!aCache->GetWrapper(),
347
0
             "You should probably not be using Wrap() directly; use "
348
0
             "GetOrCreateDOMReflector instead");
349
0
350
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
351
0
             "nsISupports must be on our primary inheritance chain");
352
0
353
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
354
0
  if (!global) {
355
0
    return false;
356
0
  }
357
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
358
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
359
0
360
0
  // That might have ended up wrapping us already, due to the wonders
361
0
  // of XBL.  Check for that, and bail out as needed.
362
0
  aReflector.set(aCache->GetWrapper());
363
0
  if (aReflector) {
364
#ifdef DEBUG
365
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
366
#endif // DEBUG
367
    return true;
368
0
  }
369
0
370
0
  JSAutoRealm ar(aCx, global);
371
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
372
0
  if (!canonicalProto) {
373
0
    return false;
374
0
  }
375
0
  JS::Rooted<JSObject*> proto(aCx);
376
0
  if (aGivenProto) {
377
0
    proto = aGivenProto;
378
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
379
0
    // coming in, we changed compartments to that of "parent" so may need
380
0
    // to wrap the proto here.
381
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
382
0
      if (!JS_WrapObject(aCx, &proto)) {
383
0
        return false;
384
0
      }
385
0
    }
386
0
  } else {
387
0
    proto = canonicalProto;
388
0
  }
389
0
390
0
  BindingJSObjectCreator<mozilla::dom::BrowsingContext> creator(aCx);
391
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
392
0
  if (!aReflector) {
393
0
    return false;
394
0
  }
395
0
396
0
  aCache->SetWrapper(aReflector);
397
0
  creator.InitializationSucceeded();
398
0
399
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
400
0
             aCache->GetWrapperPreserveColor() == aReflector);
401
0
  // If proto != canonicalProto, we have to preserve our wrapper;
402
0
  // otherwise we won't be able to properly recreate it later, since
403
0
  // we won't know what proto to use.  Note that we don't check
404
0
  // aGivenProto here, since it's entirely possible (and even
405
0
  // somewhat common) to have a non-null aGivenProto which is the
406
0
  // same as canonicalProto.
407
0
  if (proto != canonicalProto) {
408
0
    PreserveWrapper(aObject);
409
0
  }
410
0
411
0
  return true;
412
0
}
413
414
const NativePropertyHooks sNativePropertyHooks[] = { {
415
  nullptr,
416
  nullptr,
417
  nullptr,
418
  { sNativeProperties.Upcast(), nullptr },
419
  prototypes::id::BrowsingContext,
420
  constructors::id::BrowsingContext,
421
  nullptr,
422
  &DefaultXrayExpandoObjectClass
423
} };
424
425
void
426
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
427
0
{
428
0
  JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
429
0
  if (!parentProto) {
430
0
    return;
431
0
  }
432
0
433
0
  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
434
0
  if (!constructorProto) {
435
0
    return;
436
0
  }
437
0
438
0
  static bool sIdsInited = false;
439
0
  if (!sIdsInited && NS_IsMainThread()) {
440
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
441
0
      return;
442
0
    }
443
0
    sIdsInited = true;
444
0
  }
445
0
446
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::BrowsingContext);
447
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::BrowsingContext);
448
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
449
0
                              &sPrototypeClass.mBase, protoCache,
450
0
                              nullptr,
451
0
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
452
0
                              interfaceCache,
453
0
                              sNativeProperties.Upcast(),
454
0
                              nullptr,
455
0
                              "BrowsingContext", aDefineOnGlobal,
456
0
                              nullptr,
457
0
                              false);
458
0
}
459
460
JSObject*
461
GetConstructorObject(JSContext* aCx)
462
0
{
463
0
  return GetConstructorObjectHandle(aCx);
464
0
}
465
466
} // namespace BrowsingContext_Binding
467
468
469
470
} // namespace dom
471
} // namespace mozilla