Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/HashChangeEventBinding.cpp
Line
Count
Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM HashChangeEvent.webidl BY Codegen.py - DO NOT EDIT */
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3
#include "AtomList.h"
4
#include "EventBinding.h"
5
#include "HashChangeEventBinding.h"
6
#include "WrapperFactory.h"
7
#include "mozilla/OwningNonNull.h"
8
#include "mozilla/dom/BindingUtils.h"
9
#include "mozilla/dom/DOMJSClass.h"
10
#include "mozilla/dom/HashChangeEvent.h"
11
#include "mozilla/dom/NonRefcountedDOMObject.h"
12
#include "mozilla/dom/PrimitiveConversions.h"
13
#include "mozilla/dom/ScriptSettings.h"
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#include "mozilla/dom/SimpleGlobalObject.h"
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#include "mozilla/dom/XrayExpandoClass.h"
16
17
namespace mozilla {
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namespace dom {
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20
namespace binding_detail {}; // Just to make sure it's known as a namespace
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using namespace mozilla::dom::binding_detail;
22
23
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25
HashChangeEventInit::HashChangeEventInit()
26
  : EventInit(FastDictionaryInitializer())
27
0
{
28
0
  // Safe to pass a null context if we pass a null value
29
0
  Init(nullptr, JS::NullHandleValue);
30
0
}
31
32
33
34
bool
35
HashChangeEventInit::InitIds(JSContext* cx, HashChangeEventInitAtoms* atomsCache)
36
0
{
37
0
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));
38
0
39
0
  // Initialize these in reverse order so that any failure leaves the first one
40
0
  // uninitialized.
41
0
  if (!atomsCache->oldURL_id.init(cx, "oldURL") ||
42
0
      !atomsCache->newURL_id.init(cx, "newURL")) {
43
0
    return false;
44
0
  }
45
0
  return true;
46
0
}
47
48
bool
49
HashChangeEventInit::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
50
0
{
51
0
  // Passing a null JSContext is OK only if we're initing from null,
52
0
  // Since in that case we will not have to do any property gets
53
0
  // Also evaluate isNullOrUndefined in order to avoid false-positive
54
0
  // checkers by static analysis tools
55
0
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
56
0
  HashChangeEventInitAtoms* atomsCache = nullptr;
57
0
  if (cx) {
58
0
    atomsCache = GetAtomCache<HashChangeEventInitAtoms>(cx);
59
0
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
60
0
      return false;
61
0
    }
62
0
  }
63
0
64
0
  // Per spec, we init the parent's members first
65
0
  if (!EventInit::Init(cx, val)) {
66
0
    return false;
67
0
  }
68
0
69
0
  bool isNull = val.isNullOrUndefined();
70
0
  // We only need these if !isNull, in which case we have |cx|.
71
0
  Maybe<JS::Rooted<JSObject *> > object;
72
0
  Maybe<JS::Rooted<JS::Value> > temp;
73
0
  if (!isNull) {
74
0
    MOZ_ASSERT(cx);
75
0
    object.emplace(cx, &val.toObject());
76
0
    temp.emplace(cx);
77
0
  }
78
0
  if (!isNull) {
79
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->newURL_id, temp.ptr())) {
80
0
      return false;
81
0
    }
82
0
  }
83
0
  if (!isNull && !temp->isUndefined()) {
84
0
    if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mNewURL)) {
85
0
      return false;
86
0
    }
87
0
  } else {
88
0
    static const char16_t data[] = { 0 };
89
0
    mNewURL.Rebind(data, ArrayLength(data) - 1);
90
0
  }
91
0
  mIsAnyMemberPresent = true;
92
0
93
0
  if (!isNull) {
94
0
    if (!JS_GetPropertyById(cx, *object, atomsCache->oldURL_id, temp.ptr())) {
95
0
      return false;
96
0
    }
97
0
  }
98
0
  if (!isNull && !temp->isUndefined()) {
99
0
    if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mOldURL)) {
100
0
      return false;
101
0
    }
102
0
  } else {
103
0
    static const char16_t data[] = { 0 };
104
0
    mOldURL.Rebind(data, ArrayLength(data) - 1);
105
0
  }
106
0
  mIsAnyMemberPresent = true;
107
0
  return true;
108
0
}
109
110
bool
111
HashChangeEventInit::Init(const nsAString& aJSON)
112
0
{
113
0
  AutoJSAPI jsapi;
114
0
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
115
0
  if (!cleanGlobal) {
116
0
    return false;
117
0
  }
118
0
  if (!jsapi.Init(cleanGlobal)) {
119
0
    return false;
120
0
  }
121
0
  JSContext* cx = jsapi.cx();
122
0
  JS::Rooted<JS::Value> json(cx);
123
0
  bool ok = ParseJSON(cx, aJSON, &json);
124
0
  NS_ENSURE_TRUE(ok, false);
125
0
  return Init(cx, json);
126
0
}
127
128
bool
129
HashChangeEventInit::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
130
0
{
131
0
  HashChangeEventInitAtoms* atomsCache = GetAtomCache<HashChangeEventInitAtoms>(cx);
132
0
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
133
0
    return false;
134
0
  }
135
0
136
0
  // Per spec, we define the parent's members first
137
0
  if (!EventInit::ToObjectInternal(cx, rval)) {
138
0
    return false;
139
0
  }
140
0
  JS::Rooted<JSObject*> obj(cx, &rval.toObject());
141
0
142
0
  do {
143
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
144
0
    JS::Rooted<JS::Value> temp(cx);
145
0
    nsString const & currentValue = mNewURL;
146
0
    if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
147
0
      return false;
148
0
    }
149
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->newURL_id, temp, JSPROP_ENUMERATE)) {
150
0
      return false;
151
0
    }
152
0
    break;
153
0
  } while(false);
154
0
155
0
  do {
156
0
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
157
0
    JS::Rooted<JS::Value> temp(cx);
158
0
    nsString const & currentValue = mOldURL;
159
0
    if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
160
0
      return false;
161
0
    }
162
0
    if (!JS_DefinePropertyById(cx, obj, atomsCache->oldURL_id, temp, JSPROP_ENUMERATE)) {
163
0
      return false;
164
0
    }
165
0
    break;
166
0
  } while(false);
167
0
168
0
  return true;
169
0
}
170
171
bool
172
HashChangeEventInit::ToJSON(nsAString& aJSON) const
173
0
{
174
0
  AutoJSAPI jsapi;
175
0
  jsapi.Init();
176
0
  JSContext *cx = jsapi.cx();
177
0
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
178
0
  // because we'll only be creating objects, in ways that have no
179
0
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
180
0
  // which likewise guarantees no side-effects for the sorts of
181
0
  // things we will pass it.
182
0
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
183
0
  JS::Rooted<JS::Value> val(cx);
184
0
  if (!ToObjectInternal(cx, &val)) {
185
0
    return false;
186
0
  }
187
0
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
188
0
  return StringifyToJSON(cx, obj, aJSON);
189
0
}
190
191
void
192
HashChangeEventInit::TraceDictionary(JSTracer* trc)
193
0
{
194
0
  EventInit::TraceDictionary(trc);
195
0
}
196
197
HashChangeEventInit&
198
HashChangeEventInit::operator=(const HashChangeEventInit& aOther)
199
0
{
200
0
  EventInit::operator=(aOther);
201
0
  mNewURL = aOther.mNewURL;
202
0
  mOldURL = aOther.mOldURL;
203
0
  return *this;
204
0
}
205
206
namespace binding_detail {
207
} // namespace binding_detail
208
209
210
namespace HashChangeEvent_Binding {
211
212
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<Event_Binding::NativeType>::value,
213
              "Can't inherit from an interface with a different ownership model.");
214
215
MOZ_CAN_RUN_SCRIPT static bool
216
get_oldURL(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HashChangeEvent* self, JSJitGetterCallArgs args)
217
0
{
218
0
  AUTO_PROFILER_LABEL_FAST("get HashChangeEvent.oldURL", DOM, cx);
219
0
220
0
  DOMString result;
221
0
  self->GetOldURL(result);
222
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
223
0
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
224
0
    return false;
225
0
  }
226
0
  return true;
227
0
}
228
229
static const JSJitInfo oldURL_getterinfo = {
230
  { (JSJitGetterOp)get_oldURL },
231
  { prototypes::id::HashChangeEvent },
232
  { PrototypeTraits<prototypes::id::HashChangeEvent>::Depth },
233
  JSJitInfo::Getter,
234
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
235
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
236
  false,  /* isInfallible. False in setters. */
237
  false,  /* isMovable.  Not relevant for setters. */
238
  false, /* isEliminatable.  Not relevant for setters. */
239
  false, /* isAlwaysInSlot.  Only relevant for getters. */
240
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
241
  false,  /* isTypedMethod.  Only relevant for methods. */
242
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
243
};
244
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
245
static_assert(0 < 1, "There is no slot for us");
246
247
MOZ_CAN_RUN_SCRIPT static bool
248
get_newURL(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HashChangeEvent* self, JSJitGetterCallArgs args)
249
0
{
250
0
  AUTO_PROFILER_LABEL_FAST("get HashChangeEvent.newURL", DOM, cx);
251
0
252
0
  DOMString result;
253
0
  self->GetNewURL(result);
254
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
255
0
  if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
256
0
    return false;
257
0
  }
258
0
  return true;
259
0
}
260
261
static const JSJitInfo newURL_getterinfo = {
262
  { (JSJitGetterOp)get_newURL },
263
  { prototypes::id::HashChangeEvent },
264
  { PrototypeTraits<prototypes::id::HashChangeEvent>::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
279
MOZ_CAN_RUN_SCRIPT static bool
280
initHashChangeEvent(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HashChangeEvent* self, const JSJitMethodCallArgs& args)
281
0
{
282
0
  AUTO_PROFILER_LABEL_FAST("HashChangeEvent.initHashChangeEvent", DOM, cx);
283
0
284
0
  if (MOZ_UNLIKELY(args.length() < 1)) {
285
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "HashChangeEvent.initHashChangeEvent");
286
0
  }
287
0
  binding_detail::FakeString arg0;
288
0
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
289
0
    return false;
290
0
  }
291
0
  bool arg1;
292
0
  if (args.hasDefined(1)) {
293
0
    if (!ValueToPrimitive<bool, eDefault>(cx, args[1], &arg1)) {
294
0
      return false;
295
0
    }
296
0
  } else {
297
0
    arg1 = false;
298
0
  }
299
0
  bool arg2;
300
0
  if (args.hasDefined(2)) {
301
0
    if (!ValueToPrimitive<bool, eDefault>(cx, args[2], &arg2)) {
302
0
      return false;
303
0
    }
304
0
  } else {
305
0
    arg2 = false;
306
0
  }
307
0
  binding_detail::FakeString arg3;
308
0
  if (args.hasDefined(3)) {
309
0
    if (!ConvertJSValueToString(cx, args[3], eStringify, eStringify, arg3)) {
310
0
      return false;
311
0
    }
312
0
  } else {
313
0
    static const char16_t data[] = { 0 };
314
0
    arg3.Rebind(data, ArrayLength(data) - 1);
315
0
  }
316
0
  binding_detail::FakeString arg4;
317
0
  if (args.hasDefined(4)) {
318
0
    if (!ConvertJSValueToString(cx, args[4], eStringify, eStringify, arg4)) {
319
0
      return false;
320
0
    }
321
0
  } else {
322
0
    static const char16_t data[] = { 0 };
323
0
    arg4.Rebind(data, ArrayLength(data) - 1);
324
0
  }
325
0
  self->InitHashChangeEvent(NonNullHelper(Constify(arg0)), arg1, arg2, NonNullHelper(Constify(arg3)), NonNullHelper(Constify(arg4)));
326
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
327
0
  args.rval().setUndefined();
328
0
  return true;
329
0
}
330
331
static const JSJitInfo initHashChangeEvent_methodinfo = {
332
  { (JSJitGetterOp)initHashChangeEvent },
333
  { prototypes::id::HashChangeEvent },
334
  { PrototypeTraits<prototypes::id::HashChangeEvent>::Depth },
335
  JSJitInfo::Method,
336
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
337
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
338
  false,  /* isInfallible. False in setters. */
339
  false,  /* isMovable.  Not relevant for setters. */
340
  false, /* isEliminatable.  Not relevant for setters. */
341
  false, /* isAlwaysInSlot.  Only relevant for getters. */
342
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
343
  false,  /* isTypedMethod.  Only relevant for methods. */
344
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
345
};
346
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
347
static_assert(0 < 1, "There is no slot for us");
348
349
MOZ_CAN_RUN_SCRIPT static bool
350
get_isTrusted(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::HashChangeEvent* self, JSJitGetterCallArgs args)
351
0
{
352
0
  AUTO_PROFILER_LABEL_FAST("get HashChangeEvent.isTrusted", DOM, cx);
353
0
354
0
  bool result(self->IsTrusted());
355
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
356
0
  args.rval().setBoolean(result);
357
0
  return true;
358
0
}
359
360
static const JSJitInfo isTrusted_getterinfo = {
361
  { (JSJitGetterOp)get_isTrusted },
362
  { prototypes::id::HashChangeEvent },
363
  { PrototypeTraits<prototypes::id::HashChangeEvent>::Depth },
364
  JSJitInfo::Getter,
365
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
366
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
367
  true,  /* isInfallible. False in setters. */
368
  true,  /* isMovable.  Not relevant for setters. */
369
  true, /* isEliminatable.  Not relevant for setters. */
370
  false, /* isAlwaysInSlot.  Only relevant for getters. */
371
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
372
  false,  /* isTypedMethod.  Only relevant for methods. */
373
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
374
};
375
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
376
static_assert(0 < 1, "There is no slot for us");
377
378
static bool
379
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
380
0
{
381
0
  mozilla::dom::HashChangeEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HashChangeEvent>(obj);
382
0
  // We don't want to preserve if we don't have a wrapper, and we
383
0
  // obviously can't preserve if we're not initialized.
384
0
  if (self && self->GetWrapperPreserveColor()) {
385
0
    PreserveWrapper(self);
386
0
  }
387
0
  return true;
388
0
}
389
390
static void
391
_finalize(js::FreeOp* fop, JSObject* obj)
392
0
{
393
0
  mozilla::dom::HashChangeEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HashChangeEvent>(obj);
394
0
  if (self) {
395
0
    ClearWrapper(self, self, obj);
396
0
    AddForDeferredFinalization<mozilla::dom::HashChangeEvent>(self);
397
0
  }
398
0
}
399
400
static size_t
401
_objectMoved(JSObject* obj, JSObject* old)
402
0
{
403
0
  mozilla::dom::HashChangeEvent* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::HashChangeEvent>(obj);
404
0
  if (self) {
405
0
    UpdateWrapper(self, self, obj, old);
406
0
  }
407
0
408
0
  return 0;
409
0
}
410
411
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
412
#if defined(__clang__)
413
#pragma clang diagnostic push
414
#pragma clang diagnostic ignored "-Wmissing-braces"
415
#endif
416
static const JSFunctionSpec sMethods_specs[] = {
417
  JS_FNSPEC("initHashChangeEvent", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&initHashChangeEvent_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
418
  JS_FS_END
419
};
420
#if defined(__clang__)
421
#pragma clang diagnostic pop
422
#endif
423
424
425
static const Prefable<const JSFunctionSpec> sMethods[] = {
426
  { nullptr, &sMethods_specs[0] },
427
  { nullptr, nullptr }
428
};
429
430
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
431
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
432
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
433
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
434
435
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
436
#if defined(__clang__)
437
#pragma clang diagnostic push
438
#pragma clang diagnostic ignored "-Wmissing-braces"
439
#endif
440
static const JSPropertySpec sAttributes_specs[] = {
441
  { "oldURL", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &oldURL_getterinfo, nullptr, nullptr },
442
  { "newURL", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &newURL_getterinfo, nullptr, nullptr },
443
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
444
};
445
#if defined(__clang__)
446
#pragma clang diagnostic pop
447
#endif
448
449
450
static const Prefable<const JSPropertySpec> sAttributes[] = {
451
  { nullptr, &sAttributes_specs[0] },
452
  { nullptr, nullptr }
453
};
454
455
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
456
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
457
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
458
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
459
460
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
461
#if defined(__clang__)
462
#pragma clang diagnostic push
463
#pragma clang diagnostic ignored "-Wmissing-braces"
464
#endif
465
static const JSPropertySpec sUnforgeableAttributes_specs[] = {
466
  { "isTrusted", JSPROP_ENUMERATE | JSPROP_PERMANENT, GenericGetter<NormalThisPolicy, ThrowExceptions>, &isTrusted_getterinfo, nullptr, nullptr },
467
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
468
};
469
#if defined(__clang__)
470
#pragma clang diagnostic pop
471
#endif
472
473
474
static const Prefable<const JSPropertySpec> sUnforgeableAttributes[] = {
475
  { nullptr, &sUnforgeableAttributes_specs[0] },
476
  { nullptr, nullptr }
477
};
478
479
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
480
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
481
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
482
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
483
484
485
static uint16_t sNativeProperties_sortedPropertyIndices[4];
486
static PropertyInfo sNativeProperties_propertyInfos[4];
487
488
static const NativePropertiesN<3> sNativeProperties = {
489
  false, 0,
490
  false, 0,
491
  true,  0 /* sMethods */,
492
  true,  1 /* sAttributes */,
493
  false, 0,
494
  true,  2 /* sUnforgeableAttributes */,
495
  false, 0,
496
  -1,
497
  4,
498
  sNativeProperties_sortedPropertyIndices,
499
  {
500
    { sMethods, &sNativeProperties_propertyInfos[0] },
501
    { sAttributes, &sNativeProperties_propertyInfos[1] },
502
    { sUnforgeableAttributes, &sNativeProperties_propertyInfos[3] }
503
  }
504
};
505
static_assert(4 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
506
    "We have a property info count that is oversized");
507
508
static bool
509
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
510
0
{
511
0
  AUTO_PROFILER_LABEL_FAST("HashChangeEvent constructor", DOM, cx);
512
0
513
0
  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
514
0
  JS::Rooted<JSObject*> obj(cx, &args.callee());
515
0
  if (!args.isConstructing()) {
516
0
    // XXXbz wish I could get the name from the callee instead of
517
0
    // Adding more relocations
518
0
    return ThrowConstructorWithoutNew(cx, "HashChangeEvent");
519
0
  }
520
0
521
0
  JS::Rooted<JSObject*> desiredProto(cx);
522
0
  if (!GetDesiredProto(cx, args, &desiredProto)) {
523
0
    return false;
524
0
  }
525
0
526
0
  if (MOZ_UNLIKELY(args.length() < 1)) {
527
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "HashChangeEvent");
528
0
  }
529
0
  GlobalObject global(cx, obj);
530
0
  if (global.Failed()) {
531
0
    return false;
532
0
  }
533
0
534
0
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
535
0
  binding_detail::FakeString arg0;
536
0
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
537
0
    return false;
538
0
  }
539
0
  binding_detail::FastHashChangeEventInit arg1;
540
0
  if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of HashChangeEvent.constructor", false)) {
541
0
    return false;
542
0
  }
543
0
  Maybe<JSAutoRealm> ar;
544
0
  if (objIsXray) {
545
0
    obj = js::CheckedUnwrap(obj);
546
0
    if (!obj) {
547
0
      return false;
548
0
    }
549
0
    ar.emplace(cx, obj);
550
0
    if (!JS_WrapObject(cx, &desiredProto)) {
551
0
      return false;
552
0
    }
553
0
  }
554
0
  FastErrorResult rv;
555
0
  auto result(StrongOrRawPtr<mozilla::dom::HashChangeEvent>(mozilla::dom::HashChangeEvent::Constructor(global, NonNullHelper(Constify(arg0)), Constify(arg1), rv)));
556
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
557
0
    return false;
558
0
  }
559
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
560
0
  static_assert(!IsPointer<decltype(result)>::value,
561
0
                "NewObject implies that we need to keep the object alive with a strong reference.");
562
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
563
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
564
0
    return false;
565
0
  }
566
0
  return true;
567
0
}
568
569
static const js::ClassOps sInterfaceObjectClassOps = {
570
    nullptr,               /* addProperty */
571
    nullptr,               /* delProperty */
572
    nullptr,               /* enumerate */
573
    nullptr,               /* newEnumerate */
574
    nullptr,               /* resolve */
575
    nullptr,               /* mayResolve */
576
    nullptr,               /* finalize */
577
    _constructor, /* call */
578
    nullptr,               /* hasInstance */
579
    _constructor, /* construct */
580
    nullptr,               /* trace */
581
};
582
583
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
584
  {
585
    "Function",
586
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
587
    &sInterfaceObjectClassOps,
588
    JS_NULL_CLASS_SPEC,
589
    JS_NULL_CLASS_EXT,
590
    &sInterfaceObjectClassObjectOps
591
  },
592
  eInterface,
593
  true,
594
  prototypes::id::HashChangeEvent,
595
  PrototypeTraits<prototypes::id::HashChangeEvent>::Depth,
596
  sNativePropertyHooks,
597
  "function HashChangeEvent() {\n    [native code]\n}",
598
  Event_Binding::GetConstructorObject
599
};
600
601
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
602
  {
603
    "HashChangeEventPrototype",
604
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE + 1 /* slot for the JSObject holding the unforgeable properties */),
605
    JS_NULL_CLASS_OPS,
606
    JS_NULL_CLASS_SPEC,
607
    JS_NULL_CLASS_EXT,
608
    JS_NULL_OBJECT_OPS
609
  },
610
  eInterfacePrototype,
611
  false,
612
  prototypes::id::HashChangeEvent,
613
  PrototypeTraits<prototypes::id::HashChangeEvent>::Depth,
614
  sNativePropertyHooks,
615
  "[object HashChangeEventPrototype]",
616
  Event_Binding::GetProtoObject
617
};
618
619
static const js::ClassOps sClassOps = {
620
  _addProperty, /* addProperty */
621
  nullptr,               /* delProperty */
622
  nullptr,               /* enumerate */
623
  nullptr, /* newEnumerate */
624
  nullptr, /* resolve */
625
  nullptr, /* mayResolve */
626
  _finalize, /* finalize */
627
  nullptr, /* call */
628
  nullptr,               /* hasInstance */
629
  nullptr,               /* construct */
630
  nullptr, /* trace */
631
};
632
633
static const js::ClassExtension sClassExtension = {
634
  nullptr, /* weakmapKeyDelegateOp */
635
  _objectMoved /* objectMovedOp */
636
};
637
638
static const DOMJSClass sClass = {
639
  { "HashChangeEvent",
640
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1) | JSCLASS_SKIP_NURSERY_FINALIZE,
641
    &sClassOps,
642
    JS_NULL_CLASS_SPEC,
643
    &sClassExtension,
644
    JS_NULL_OBJECT_OPS
645
  },
646
  { prototypes::id::Event, prototypes::id::HashChangeEvent, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
647
  IsBaseOf<nsISupports, mozilla::dom::HashChangeEvent >::value,
648
  sNativePropertyHooks,
649
  FindAssociatedGlobalForNative<mozilla::dom::HashChangeEvent>::Get,
650
  GetProtoObjectHandle,
651
  GetCCParticipant<mozilla::dom::HashChangeEvent>::Get()
652
};
653
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
654
              "Must have the right minimal number of reserved slots.");
655
static_assert(1 >= 1,
656
              "Must have enough reserved slots.");
657
658
const JSClass*
659
GetJSClass()
660
0
{
661
0
  return sClass.ToJSClass();
662
0
}
663
664
bool
665
Wrap(JSContext* aCx, mozilla::dom::HashChangeEvent* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
666
0
{
667
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::HashChangeEvent>::value,
668
0
                "Shouldn't have wrappercached things that are not refcounted.");
669
0
  MOZ_ASSERT(static_cast<mozilla::dom::HashChangeEvent*>(aObject) ==
670
0
             reinterpret_cast<mozilla::dom::HashChangeEvent*>(aObject),
671
0
             "Multiple inheritance for mozilla::dom::HashChangeEvent is broken.");
672
0
  MOZ_ASSERT(static_cast<mozilla::dom::Event*>(aObject) ==
673
0
             reinterpret_cast<mozilla::dom::Event*>(aObject),
674
0
             "Multiple inheritance for mozilla::dom::Event is broken.");
675
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
676
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
677
0
  MOZ_ASSERT(!aCache->GetWrapper(),
678
0
             "You should probably not be using Wrap() directly; use "
679
0
             "GetOrCreateDOMReflector instead");
680
0
681
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
682
0
             "nsISupports must be on our primary inheritance chain");
683
0
684
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
685
0
  if (!global) {
686
0
    return false;
687
0
  }
688
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
689
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
690
0
691
0
  // That might have ended up wrapping us already, due to the wonders
692
0
  // of XBL.  Check for that, and bail out as needed.
693
0
  aReflector.set(aCache->GetWrapper());
694
0
  if (aReflector) {
695
#ifdef DEBUG
696
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
697
#endif // DEBUG
698
    return true;
699
0
  }
700
0
701
0
  JSAutoRealm ar(aCx, global);
702
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
703
0
  if (!canonicalProto) {
704
0
    return false;
705
0
  }
706
0
  JS::Rooted<JSObject*> proto(aCx);
707
0
  if (aGivenProto) {
708
0
    proto = aGivenProto;
709
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
710
0
    // coming in, we changed compartments to that of "parent" so may need
711
0
    // to wrap the proto here.
712
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
713
0
      if (!JS_WrapObject(aCx, &proto)) {
714
0
        return false;
715
0
      }
716
0
    }
717
0
  } else {
718
0
    proto = canonicalProto;
719
0
  }
720
0
721
0
  BindingJSObjectCreator<mozilla::dom::HashChangeEvent> creator(aCx);
722
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
723
0
  if (!aReflector) {
724
0
    return false;
725
0
  }
726
0
727
0
  aCache->SetWrapper(aReflector);
728
0
729
0
  // Important: do unforgeable property setup after we have handed
730
0
  // over ownership of the C++ object to obj as needed, so that if
731
0
  // we fail and it ends up GCed it won't have problems in the
732
0
  // finalizer trying to drop its ownership of the C++ object.
733
0
  JS::Rooted<JSObject*> unforgeableHolder(aCx,
734
0
    &js::GetReservedSlot(canonicalProto, DOM_INTERFACE_PROTO_SLOTS_BASE).toObject());
735
0
  if (!JS_InitializePropertiesFromCompatibleNativeObject(aCx, aReflector, unforgeableHolder)) {
736
0
    aCache->ReleaseWrapper(aObject);
737
0
    aCache->ClearWrapper();
738
0
    return false;
739
0
  }
740
0
  creator.InitializationSucceeded();
741
0
742
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
743
0
             aCache->GetWrapperPreserveColor() == aReflector);
744
0
  // If proto != canonicalProto, we have to preserve our wrapper;
745
0
  // otherwise we won't be able to properly recreate it later, since
746
0
  // we won't know what proto to use.  Note that we don't check
747
0
  // aGivenProto here, since it's entirely possible (and even
748
0
  // somewhat common) to have a non-null aGivenProto which is the
749
0
  // same as canonicalProto.
750
0
  if (proto != canonicalProto) {
751
0
    PreserveWrapper(aObject);
752
0
  }
753
0
754
0
  return true;
755
0
}
756
757
const NativePropertyHooks sNativePropertyHooks[] = { {
758
  nullptr,
759
  nullptr,
760
  nullptr,
761
  { sNativeProperties.Upcast(), nullptr },
762
  prototypes::id::HashChangeEvent,
763
  constructors::id::HashChangeEvent,
764
  Event_Binding::sNativePropertyHooks,
765
  &DefaultXrayExpandoObjectClass
766
} };
767
768
void
769
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
770
0
{
771
0
  JS::Handle<JSObject*> parentProto(Event_Binding::GetProtoObjectHandle(aCx));
772
0
  if (!parentProto) {
773
0
    return;
774
0
  }
775
0
776
0
  JS::Handle<JSObject*> constructorProto(Event_Binding::GetConstructorObjectHandle(aCx));
777
0
  if (!constructorProto) {
778
0
    return;
779
0
  }
780
0
781
0
  static bool sIdsInited = false;
782
0
  if (!sIdsInited && NS_IsMainThread()) {
783
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
784
0
      return;
785
0
    }
786
0
    sIdsInited = true;
787
0
  }
788
0
789
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::HashChangeEvent);
790
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::HashChangeEvent);
791
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
792
0
                              &sPrototypeClass.mBase, protoCache,
793
0
                              nullptr,
794
0
                              constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
795
0
                              interfaceCache,
796
0
                              sNativeProperties.Upcast(),
797
0
                              nullptr,
798
0
                              "HashChangeEvent", aDefineOnGlobal,
799
0
                              nullptr,
800
0
                              false);
801
0
802
0
  JS::Rooted<JSObject*> unforgeableHolder(aCx);
803
0
  {
804
0
    JS::Rooted<JSObject*> holderProto(aCx, *protoCache);
805
0
    unforgeableHolder = JS_NewObjectWithoutMetadata(aCx, sClass.ToJSClass(), holderProto);
806
0
    if (!unforgeableHolder) {
807
0
      *protoCache = nullptr;
808
0
      if (interfaceCache) {
809
0
        *interfaceCache = nullptr;
810
0
      }
811
0
      return;
812
0
    }
813
0
  }
814
0
815
0
  if (!DefineUnforgeableAttributes(aCx, unforgeableHolder, sUnforgeableAttributes)) {
816
0
    *protoCache = nullptr;
817
0
    if (interfaceCache) {
818
0
      *interfaceCache = nullptr;
819
0
    }
820
0
    return;
821
0
  }
822
0
823
0
  if (*protoCache) {
824
0
    js::SetReservedSlot(*protoCache, DOM_INTERFACE_PROTO_SLOTS_BASE,
825
0
                        JS::ObjectValue(*unforgeableHolder));
826
0
  }
827
0
}
828
829
JSObject*
830
GetConstructorObject(JSContext* aCx)
831
0
{
832
0
  return GetConstructorObjectHandle(aCx);
833
0
}
834
835
} // namespace HashChangeEvent_Binding
836
837
838
839
} // namespace dom
840
} // namespace mozilla