Coverage Report

Created: 2018-09-25 14:53

/work/obj-fuzz/dom/bindings/DOMParserBinding.cpp
Line
Count
Source (jump to first uncovered line)
1
/* THIS FILE IS AUTOGENERATED FROM DOMParser.webidl BY Codegen.py - DO NOT EDIT */
2
3
#include "DOMParserBinding.h"
4
#include "WrapperFactory.h"
5
#include "jsapi.h"
6
#include "jsfriendapi.h"
7
#include "mozilla/OwningNonNull.h"
8
#include "mozilla/dom/BindingUtils.h"
9
#include "mozilla/dom/DOMJSClass.h"
10
#include "mozilla/dom/DOMParser.h"
11
#include "mozilla/dom/NonRefcountedDOMObject.h"
12
#include "mozilla/dom/Nullable.h"
13
#include "mozilla/dom/PrimitiveConversions.h"
14
#include "mozilla/dom/TypedArray.h"
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#include "mozilla/dom/XrayExpandoClass.h"
16
#include "nsContentUtils.h"
17
#include "nsIDocument.h"
18
#include "nsIInputStream.h"
19
#include "nsISupports.h"
20
#include "xpcjsid.h"
21
22
namespace mozilla {
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namespace dom {
24
25
namespace binding_detail {}; // Just to make sure it's known as a namespace
26
using namespace mozilla::dom::binding_detail;
27
28
29
namespace SupportedTypeValues {
30
extern const EnumEntry strings[6] = {
31
  {"text/html", 9},
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  {"text/xml", 8},
33
  {"application/xml", 15},
34
  {"application/xhtml+xml", 21},
35
  {"image/svg+xml", 13},
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  { nullptr, 0 }
37
};
38
} // namespace SupportedTypeValues
39
40
bool
41
ToJSValue(JSContext* aCx, SupportedType aArgument, JS::MutableHandle<JS::Value> aValue)
42
0
{
43
0
  MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(SupportedTypeValues::strings));
44
0
  JSString* resultStr =
45
0
    JS_NewStringCopyN(aCx, SupportedTypeValues::strings[uint32_t(aArgument)].value,
46
0
                      SupportedTypeValues::strings[uint32_t(aArgument)].length);
47
0
  if (!resultStr) {
48
0
    return false;
49
0
  }
50
0
  aValue.setString(resultStr);
51
0
  return true;
52
0
}
53
54
55
namespace DOMParser_Binding {
56
57
MOZ_CAN_RUN_SCRIPT static bool
58
parseFromString(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DOMParser* self, const JSJitMethodCallArgs& args)
59
0
{
60
0
  AUTO_PROFILER_LABEL_FAST("DOMParser.parseFromString", DOM, cx);
61
0
62
0
  if (MOZ_UNLIKELY(args.length() < 2)) {
63
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DOMParser.parseFromString");
64
0
  }
65
0
  binding_detail::FakeString arg0;
66
0
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
67
0
    return false;
68
0
  }
69
0
  SupportedType arg1;
70
0
  {
71
0
    int index;
72
0
    if (!FindEnumStringIndex<true>(cx, args[1], SupportedTypeValues::strings, "SupportedType", "Argument 2 of DOMParser.parseFromString", &index)) {
73
0
      return false;
74
0
    }
75
0
    MOZ_ASSERT(index >= 0);
76
0
    arg1 = static_cast<SupportedType>(index);
77
0
  }
78
0
  FastErrorResult rv;
79
0
  auto result(StrongOrRawPtr<nsIDocument>(self->ParseFromString(NonNullHelper(Constify(arg0)), arg1, rv)));
80
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
81
0
    return false;
82
0
  }
83
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
84
0
  static_assert(!IsPointer<decltype(result)>::value,
85
0
                "NewObject implies that we need to keep the object alive with a strong reference.");
86
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
87
0
    MOZ_CRASH("Looks like bug 1488480/1405521, with getting the reflector failing");
88
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
89
0
    return false;
90
0
  }
91
0
  return true;
92
0
}
93
94
static const JSJitInfo parseFromString_methodinfo = {
95
  { (JSJitGetterOp)parseFromString },
96
  { prototypes::id::DOMParser },
97
  { PrototypeTraits<prototypes::id::DOMParser>::Depth },
98
  JSJitInfo::Method,
99
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
100
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
101
  false,  /* isInfallible. False in setters. */
102
  false,  /* isMovable.  Not relevant for setters. */
103
  false, /* isEliminatable.  Not relevant for setters. */
104
  false, /* isAlwaysInSlot.  Only relevant for getters. */
105
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
106
  false,  /* isTypedMethod.  Only relevant for methods. */
107
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
108
};
109
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
110
static_assert(0 < 1, "There is no slot for us");
111
112
MOZ_CAN_RUN_SCRIPT static bool
113
parseFromBuffer(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DOMParser* self, const JSJitMethodCallArgs& args)
114
0
{
115
0
  AUTO_PROFILER_LABEL_FAST("DOMParser.parseFromBuffer", DOM, cx);
116
0
117
0
  unsigned argcount = std::min(args.length(), 2u);
118
0
  switch (argcount) {
119
0
    case 2: {
120
0
      if (args[0].isObject()) {
121
0
        do {
122
0
          RootedSpiderMonkeyInterface<Uint8Array> arg0(cx);
123
0
          if (!arg0.Init(&args[0].toObject())) {
124
0
            break;
125
0
          }
126
0
          SupportedType arg1;
127
0
          {
128
0
            int index;
129
0
            if (!FindEnumStringIndex<true>(cx, args[1], SupportedTypeValues::strings, "SupportedType", "Argument 2 of DOMParser.parseFromBuffer", &index)) {
130
0
              return false;
131
0
            }
132
0
            MOZ_ASSERT(index >= 0);
133
0
            arg1 = static_cast<SupportedType>(index);
134
0
          }
135
0
          FastErrorResult rv;
136
0
          auto result(StrongOrRawPtr<nsIDocument>(self->ParseFromBuffer(Constify(arg0), arg1, rv)));
137
0
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
138
0
            return false;
139
0
          }
140
0
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
141
0
          static_assert(!IsPointer<decltype(result)>::value,
142
0
                        "NewObject implies that we need to keep the object alive with a strong reference.");
143
0
          if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
144
0
            MOZ_CRASH("Looks like bug 1488480/1405521, with getting the reflector failing");
145
0
            MOZ_ASSERT(JS_IsExceptionPending(cx));
146
0
            return false;
147
0
          }
148
0
          return true;
149
0
        } while (false);
150
0
        do {
151
0
          binding_detail::AutoSequence<uint8_t> arg0;
152
0
          JS::ForOfIterator iter(cx);
153
0
          if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
154
0
            return false;
155
0
          }
156
0
          if (!iter.valueIsIterable()) {
157
0
            break;
158
0
          }
159
0
          binding_detail::AutoSequence<uint8_t> &arr = arg0;
160
0
          JS::Rooted<JS::Value> temp(cx);
161
0
          while (true) {
162
0
            bool done;
163
0
            if (!iter.next(&temp, &done)) {
164
0
              return false;
165
0
            }
166
0
            if (done) {
167
0
              break;
168
0
            }
169
0
            uint8_t* slotPtr = arr.AppendElement(mozilla::fallible);
170
0
            if (!slotPtr) {
171
0
              JS_ReportOutOfMemory(cx);
172
0
              return false;
173
0
            }
174
0
            uint8_t& slot = *slotPtr;
175
0
            if (!ValueToPrimitive<uint8_t, eDefault>(cx, temp, &slot)) {
176
0
              return false;
177
0
            }
178
0
          }
179
0
          SupportedType arg1;
180
0
          {
181
0
            int index;
182
0
            if (!FindEnumStringIndex<true>(cx, args[1], SupportedTypeValues::strings, "SupportedType", "Argument 2 of DOMParser.parseFromBuffer", &index)) {
183
0
              return false;
184
0
            }
185
0
            MOZ_ASSERT(index >= 0);
186
0
            arg1 = static_cast<SupportedType>(index);
187
0
          }
188
0
          FastErrorResult rv;
189
0
          auto result(StrongOrRawPtr<nsIDocument>(self->ParseFromBuffer(Constify(arg0), arg1, rv)));
190
0
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
191
0
            return false;
192
0
          }
193
0
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
194
0
          static_assert(!IsPointer<decltype(result)>::value,
195
0
                        "NewObject implies that we need to keep the object alive with a strong reference.");
196
0
          if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
197
0
            MOZ_CRASH("Looks like bug 1488480/1405521, with getting the reflector failing");
198
0
            MOZ_ASSERT(JS_IsExceptionPending(cx));
199
0
            return false;
200
0
          }
201
0
          return true;
202
0
        } while (false);
203
0
      }
204
0
      return ThrowErrorMessage(cx, MSG_OVERLOAD_RESOLUTION_FAILED, "1", "2", "DOMParser.parseFromBuffer");
205
0
      break;
206
0
    }
207
0
    default: {
208
0
      return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DOMParser.parseFromBuffer");
209
0
      break;
210
0
    }
211
0
  }
212
0
  MOZ_CRASH("We have an always-returning default case");
213
0
  return false;
214
0
}
215
216
static const JSJitInfo parseFromBuffer_methodinfo = {
217
  { (JSJitGetterOp)parseFromBuffer },
218
  { prototypes::id::DOMParser },
219
  { PrototypeTraits<prototypes::id::DOMParser>::Depth },
220
  JSJitInfo::Method,
221
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
222
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
223
  false,  /* isInfallible. False in setters. */
224
  false,  /* isMovable.  Not relevant for setters. */
225
  false, /* isEliminatable.  Not relevant for setters. */
226
  false, /* isAlwaysInSlot.  Only relevant for getters. */
227
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
228
  false,  /* isTypedMethod.  Only relevant for methods. */
229
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
230
};
231
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
232
static_assert(0 < 1, "There is no slot for us");
233
234
MOZ_CAN_RUN_SCRIPT static bool
235
parseFromStream(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DOMParser* self, const JSJitMethodCallArgs& args)
236
0
{
237
0
  AUTO_PROFILER_LABEL_FAST("DOMParser.parseFromStream", DOM, cx);
238
0
239
0
  if (MOZ_UNLIKELY(args.length() < 4)) {
240
0
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DOMParser.parseFromStream");
241
0
  }
242
0
  nsIInputStream* arg0;
243
0
  RefPtr<nsIInputStream> arg0_holder;
244
0
  if (args[0].isObject()) {
245
0
    JS::Rooted<JSObject*> source(cx, &args[0].toObject());
246
0
    if (NS_FAILED(UnwrapArg<nsIInputStream>(cx, source, getter_AddRefs(arg0_holder)))) {
247
0
      ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of DOMParser.parseFromStream", "InputStream");
248
0
      return false;
249
0
    }
250
0
    MOZ_ASSERT(arg0_holder);
251
0
    arg0 = arg0_holder;
252
0
  } else {
253
0
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of DOMParser.parseFromStream");
254
0
    return false;
255
0
  }
256
0
  binding_detail::FakeString arg1;
257
0
  if (!ConvertJSValueToString(cx, args[1], eNull, eNull, arg1)) {
258
0
    return false;
259
0
  }
260
0
  int32_t arg2;
261
0
  if (!ValueToPrimitive<int32_t, eDefault>(cx, args[2], &arg2)) {
262
0
    return false;
263
0
  }
264
0
  SupportedType arg3;
265
0
  {
266
0
    int index;
267
0
    if (!FindEnumStringIndex<true>(cx, args[3], SupportedTypeValues::strings, "SupportedType", "Argument 4 of DOMParser.parseFromStream", &index)) {
268
0
      return false;
269
0
    }
270
0
    MOZ_ASSERT(index >= 0);
271
0
    arg3 = static_cast<SupportedType>(index);
272
0
  }
273
0
  FastErrorResult rv;
274
0
  auto result(StrongOrRawPtr<nsIDocument>(self->ParseFromStream(MOZ_KnownLive(NonNullHelper(arg0)), NonNullHelper(Constify(arg1)), arg2, arg3, rv)));
275
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
276
0
    return false;
277
0
  }
278
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
279
0
  static_assert(!IsPointer<decltype(result)>::value,
280
0
                "NewObject implies that we need to keep the object alive with a strong reference.");
281
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
282
0
    MOZ_CRASH("Looks like bug 1488480/1405521, with getting the reflector failing");
283
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
284
0
    return false;
285
0
  }
286
0
  return true;
287
0
}
288
289
static const JSJitInfo parseFromStream_methodinfo = {
290
  { (JSJitGetterOp)parseFromStream },
291
  { prototypes::id::DOMParser },
292
  { PrototypeTraits<prototypes::id::DOMParser>::Depth },
293
  JSJitInfo::Method,
294
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
295
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
296
  false,  /* isInfallible. False in setters. */
297
  false,  /* isMovable.  Not relevant for setters. */
298
  false, /* isEliminatable.  Not relevant for setters. */
299
  false, /* isAlwaysInSlot.  Only relevant for getters. */
300
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
301
  false,  /* isTypedMethod.  Only relevant for methods. */
302
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
303
};
304
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
305
static_assert(0 < 1, "There is no slot for us");
306
307
MOZ_CAN_RUN_SCRIPT static bool
308
forceEnableXULXBL(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DOMParser* self, const JSJitMethodCallArgs& args)
309
0
{
310
0
  AUTO_PROFILER_LABEL_FAST("DOMParser.forceEnableXULXBL", DOM, cx);
311
0
312
0
  self->ForceEnableXULXBL();
313
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
314
0
  args.rval().setUndefined();
315
0
  return true;
316
0
}
317
318
static const JSJitInfo forceEnableXULXBL_methodinfo = {
319
  { (JSJitGetterOp)forceEnableXULXBL },
320
  { prototypes::id::DOMParser },
321
  { PrototypeTraits<prototypes::id::DOMParser>::Depth },
322
  JSJitInfo::Method,
323
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
324
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
325
  true,  /* isInfallible. False in setters. */
326
  false,  /* isMovable.  Not relevant for setters. */
327
  false, /* isEliminatable.  Not relevant for setters. */
328
  false, /* isAlwaysInSlot.  Only relevant for getters. */
329
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
330
  false,  /* isTypedMethod.  Only relevant for methods. */
331
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
332
};
333
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
334
static_assert(0 < 1, "There is no slot for us");
335
336
static bool
337
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
338
0
{
339
0
  mozilla::dom::DOMParser* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DOMParser>(obj);
340
0
  // We don't want to preserve if we don't have a wrapper, and we
341
0
  // obviously can't preserve if we're not initialized.
342
0
  if (self && self->GetWrapperPreserveColor()) {
343
0
    PreserveWrapper(self);
344
0
  }
345
0
  return true;
346
0
}
347
348
static void
349
_finalize(js::FreeOp* fop, JSObject* obj)
350
0
{
351
0
  mozilla::dom::DOMParser* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DOMParser>(obj);
352
0
  if (self) {
353
0
    ClearWrapper(self, self, obj);
354
0
    AddForDeferredFinalization<mozilla::dom::DOMParser>(self);
355
0
  }
356
0
}
357
358
static size_t
359
_objectMoved(JSObject* obj, JSObject* old)
360
0
{
361
0
  mozilla::dom::DOMParser* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DOMParser>(obj);
362
0
  if (self) {
363
0
    UpdateWrapper(self, self, obj, old);
364
0
  }
365
0
366
0
  return 0;
367
0
}
368
369
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
370
#if defined(__clang__)
371
#pragma clang diagnostic push
372
#pragma clang diagnostic ignored "-Wmissing-braces"
373
#endif
374
static const JSFunctionSpec sMethods_specs[] = {
375
  JS_FNSPEC("parseFromString", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&parseFromString_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
376
  JS_FS_END
377
};
378
#if defined(__clang__)
379
#pragma clang diagnostic pop
380
#endif
381
382
383
static const Prefable<const JSFunctionSpec> sMethods[] = {
384
  { nullptr, &sMethods_specs[0] },
385
  { nullptr, nullptr }
386
};
387
388
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
389
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
390
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
391
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
392
393
// We deliberately use brace-elision to make Visual Studio produce better initalization code.
394
#if defined(__clang__)
395
#pragma clang diagnostic push
396
#pragma clang diagnostic ignored "-Wmissing-braces"
397
#endif
398
static const JSFunctionSpec sChromeMethods_specs[] = {
399
  JS_FNSPEC("parseFromBuffer", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&parseFromBuffer_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
400
  JS_FNSPEC("parseFromStream", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&parseFromStream_methodinfo), 4, JSPROP_ENUMERATE, nullptr),
401
  JS_FNSPEC("forceEnableXULXBL", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&forceEnableXULXBL_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
402
  JS_FNSPEC("QueryInterface", QueryInterface, nullptr, 1, 0, nullptr),
403
  JS_FS_END
404
};
405
#if defined(__clang__)
406
#pragma clang diagnostic pop
407
#endif
408
409
410
static const Prefable<const JSFunctionSpec> sChromeMethods[] = {
411
  { nullptr, &sChromeMethods_specs[0] },
412
  { nullptr, nullptr }
413
};
414
415
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
416
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
417
static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
418
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
419
420
421
static uint16_t sNativeProperties_sortedPropertyIndices[1];
422
static PropertyInfo sNativeProperties_propertyInfos[1];
423
424
static const NativePropertiesN<1> sNativeProperties = {
425
  false, 0,
426
  false, 0,
427
  true,  0 /* sMethods */,
428
  false, 0,
429
  false, 0,
430
  false, 0,
431
  false, 0,
432
  -1,
433
  1,
434
  sNativeProperties_sortedPropertyIndices,
435
  {
436
    { sMethods, &sNativeProperties_propertyInfos[0] }
437
  }
438
};
439
static_assert(1 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
440
    "We have a property info count that is oversized");
441
442
static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[4];
443
static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[4];
444
445
static const NativePropertiesN<1> sChromeOnlyNativeProperties = {
446
  false, 0,
447
  false, 0,
448
  true,  0 /* sChromeMethods */,
449
  false, 0,
450
  false, 0,
451
  false, 0,
452
  false, 0,
453
  -1,
454
  4,
455
  sChromeOnlyNativeProperties_sortedPropertyIndices,
456
  {
457
    { sChromeMethods, &sChromeOnlyNativeProperties_propertyInfos[0] }
458
  }
459
};
460
static_assert(4 < 1ull << CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount),
461
    "We have a property info count that is oversized");
462
463
static bool
464
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
465
0
{
466
0
  AUTO_PROFILER_LABEL_FAST("DOMParser constructor", DOM, cx);
467
0
468
0
  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
469
0
  JS::Rooted<JSObject*> obj(cx, &args.callee());
470
0
  if (!args.isConstructing()) {
471
0
    // XXXbz wish I could get the name from the callee instead of
472
0
    // Adding more relocations
473
0
    return ThrowConstructorWithoutNew(cx, "DOMParser");
474
0
  }
475
0
476
0
  JS::Rooted<JSObject*> desiredProto(cx);
477
0
  if (!GetDesiredProto(cx, args, &desiredProto)) {
478
0
    return false;
479
0
  }
480
0
481
0
  GlobalObject global(cx, obj);
482
0
  if (global.Failed()) {
483
0
    return false;
484
0
  }
485
0
486
0
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
487
0
  Maybe<JSAutoRealm> ar;
488
0
  if (objIsXray) {
489
0
    obj = js::CheckedUnwrap(obj);
490
0
    if (!obj) {
491
0
      return false;
492
0
    }
493
0
    ar.emplace(cx, obj);
494
0
    if (!JS_WrapObject(cx, &desiredProto)) {
495
0
      return false;
496
0
    }
497
0
  }
498
0
  FastErrorResult rv;
499
0
  auto result(StrongOrRawPtr<mozilla::dom::DOMParser>(mozilla::dom::DOMParser::Constructor(global, rv)));
500
0
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
501
0
    return false;
502
0
  }
503
0
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
504
0
  static_assert(!IsPointer<decltype(result)>::value,
505
0
                "NewObject implies that we need to keep the object alive with a strong reference.");
506
0
  if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
507
0
    MOZ_ASSERT(JS_IsExceptionPending(cx));
508
0
    return false;
509
0
  }
510
0
  return true;
511
0
}
512
513
static const js::ClassOps sInterfaceObjectClassOps = {
514
    nullptr,               /* addProperty */
515
    nullptr,               /* delProperty */
516
    nullptr,               /* enumerate */
517
    nullptr,               /* newEnumerate */
518
    nullptr,               /* resolve */
519
    nullptr,               /* mayResolve */
520
    nullptr,               /* finalize */
521
    _constructor, /* call */
522
    nullptr,               /* hasInstance */
523
    _constructor, /* construct */
524
    nullptr,               /* trace */
525
};
526
527
static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
528
  {
529
    "Function",
530
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
531
    &sInterfaceObjectClassOps,
532
    JS_NULL_CLASS_SPEC,
533
    JS_NULL_CLASS_EXT,
534
    &sInterfaceObjectClassObjectOps
535
  },
536
  eInterface,
537
  true,
538
  prototypes::id::DOMParser,
539
  PrototypeTraits<prototypes::id::DOMParser>::Depth,
540
  sNativePropertyHooks,
541
  "function DOMParser() {\n    [native code]\n}",
542
  JS::GetRealmFunctionPrototype
543
};
544
545
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
546
  {
547
    "DOMParserPrototype",
548
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
549
    JS_NULL_CLASS_OPS,
550
    JS_NULL_CLASS_SPEC,
551
    JS_NULL_CLASS_EXT,
552
    JS_NULL_OBJECT_OPS
553
  },
554
  eInterfacePrototype,
555
  false,
556
  prototypes::id::DOMParser,
557
  PrototypeTraits<prototypes::id::DOMParser>::Depth,
558
  sNativePropertyHooks,
559
  "[object DOMParserPrototype]",
560
  JS::GetRealmObjectPrototype
561
};
562
563
static const js::ClassOps sClassOps = {
564
  _addProperty, /* addProperty */
565
  nullptr,               /* delProperty */
566
  nullptr,               /* enumerate */
567
  nullptr, /* newEnumerate */
568
  nullptr, /* resolve */
569
  nullptr, /* mayResolve */
570
  _finalize, /* finalize */
571
  nullptr, /* call */
572
  nullptr,               /* hasInstance */
573
  nullptr,               /* construct */
574
  nullptr, /* trace */
575
};
576
577
static const js::ClassExtension sClassExtension = {
578
  nullptr, /* weakmapKeyDelegateOp */
579
  _objectMoved /* objectMovedOp */
580
};
581
582
static const DOMJSClass sClass = {
583
  { "DOMParser",
584
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
585
    &sClassOps,
586
    JS_NULL_CLASS_SPEC,
587
    &sClassExtension,
588
    JS_NULL_OBJECT_OPS
589
  },
590
  { prototypes::id::DOMParser, 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 },
591
  IsBaseOf<nsISupports, mozilla::dom::DOMParser >::value,
592
  sNativePropertyHooks,
593
  FindAssociatedGlobalForNative<mozilla::dom::DOMParser>::Get,
594
  GetProtoObjectHandle,
595
  GetCCParticipant<mozilla::dom::DOMParser>::Get()
596
};
597
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
598
              "Must have the right minimal number of reserved slots.");
599
static_assert(1 >= 1,
600
              "Must have enough reserved slots.");
601
602
const JSClass*
603
GetJSClass()
604
0
{
605
0
  return sClass.ToJSClass();
606
0
}
607
608
bool
609
Wrap(JSContext* aCx, mozilla::dom::DOMParser* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
610
0
{
611
0
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::DOMParser>::value,
612
0
                "Shouldn't have wrappercached things that are not refcounted.");
613
0
  MOZ_ASSERT(static_cast<mozilla::dom::DOMParser*>(aObject) ==
614
0
             reinterpret_cast<mozilla::dom::DOMParser*>(aObject),
615
0
             "Multiple inheritance for mozilla::dom::DOMParser is broken.");
616
0
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
617
0
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
618
0
  MOZ_ASSERT(!aCache->GetWrapper(),
619
0
             "You should probably not be using Wrap() directly; use "
620
0
             "GetOrCreateDOMReflector instead");
621
0
622
0
  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
623
0
             "nsISupports must be on our primary inheritance chain");
624
0
625
0
  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
626
0
  if (!global) {
627
0
    return false;
628
0
  }
629
0
  MOZ_ASSERT(JS_IsGlobalObject(global));
630
0
  MOZ_ASSERT(JS::ObjectIsNotGray(global));
631
0
632
0
  // That might have ended up wrapping us already, due to the wonders
633
0
  // of XBL.  Check for that, and bail out as needed.
634
0
  aReflector.set(aCache->GetWrapper());
635
0
  if (aReflector) {
636
#ifdef DEBUG
637
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
638
#endif // DEBUG
639
    return true;
640
0
  }
641
0
642
0
  JSAutoRealm ar(aCx, global);
643
0
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
644
0
  if (!canonicalProto) {
645
0
    return false;
646
0
  }
647
0
  JS::Rooted<JSObject*> proto(aCx);
648
0
  if (aGivenProto) {
649
0
    proto = aGivenProto;
650
0
    // Unfortunately, while aGivenProto was in the compartment of aCx
651
0
    // coming in, we changed compartments to that of "parent" so may need
652
0
    // to wrap the proto here.
653
0
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
654
0
      if (!JS_WrapObject(aCx, &proto)) {
655
0
        return false;
656
0
      }
657
0
    }
658
0
  } else {
659
0
    proto = canonicalProto;
660
0
  }
661
0
662
0
  BindingJSObjectCreator<mozilla::dom::DOMParser> creator(aCx);
663
0
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
664
0
  if (!aReflector) {
665
0
    return false;
666
0
  }
667
0
668
0
  aCache->SetWrapper(aReflector);
669
0
  creator.InitializationSucceeded();
670
0
671
0
  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
672
0
             aCache->GetWrapperPreserveColor() == aReflector);
673
0
  // If proto != canonicalProto, we have to preserve our wrapper;
674
0
  // otherwise we won't be able to properly recreate it later, since
675
0
  // we won't know what proto to use.  Note that we don't check
676
0
  // aGivenProto here, since it's entirely possible (and even
677
0
  // somewhat common) to have a non-null aGivenProto which is the
678
0
  // same as canonicalProto.
679
0
  if (proto != canonicalProto) {
680
0
    PreserveWrapper(aObject);
681
0
  }
682
0
683
0
  return true;
684
0
}
685
686
const NativePropertyHooks sNativePropertyHooks[] = { {
687
  nullptr,
688
  nullptr,
689
  nullptr,
690
  { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast() },
691
  prototypes::id::DOMParser,
692
  constructors::id::DOMParser,
693
  nullptr,
694
  &DefaultXrayExpandoObjectClass
695
} };
696
697
void
698
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
699
0
{
700
0
  JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
701
0
  if (!parentProto) {
702
0
    return;
703
0
  }
704
0
705
0
  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
706
0
  if (!constructorProto) {
707
0
    return;
708
0
  }
709
0
710
0
  static bool sIdsInited = false;
711
0
  if (!sIdsInited && NS_IsMainThread()) {
712
0
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
713
0
      return;
714
0
    }
715
0
    if (!InitIds(aCx, sChromeOnlyNativeProperties.Upcast())) {
716
0
      return;
717
0
    }
718
0
    sIdsInited = true;
719
0
  }
720
0
721
0
  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::DOMParser);
722
0
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::DOMParser);
723
0
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
724
0
                              &sPrototypeClass.mBase, protoCache,
725
0
                              nullptr,
726
0
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
727
0
                              interfaceCache,
728
0
                              sNativeProperties.Upcast(),
729
0
                              sChromeOnlyNativeProperties.Upcast(),
730
0
                              "DOMParser", aDefineOnGlobal,
731
0
                              nullptr,
732
0
                              false);
733
0
}
734
735
JSObject*
736
GetConstructorObject(JSContext* aCx)
737
0
{
738
0
  return GetConstructorObjectHandle(aCx);
739
0
}
740
741
} // namespace DOMParser_Binding
742
743
744
745
} // namespace dom
746
} // namespace mozilla