/work/obj-fuzz/dom/bindings/WaveShaperNodeBinding.cpp

Source (jump to first uncovered line)
/* THIS FILE IS AUTOGENERATED FROM WaveShaperNode.webidl BY Codegen.py - DO NOT EDIT */

#include "AtomList.h"
#include "AudioNodeBinding.h"
#include "WaveShaperNodeBinding.h"
#include "WrapperFactory.h"
#include "XrayWrapper.h"
#include "jsapi.h"
#include "jsfriendapi.h"
#include "mozilla/FloatingPoint.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/AudioContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/dom/WaveShaperNode.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsContentUtils.h"

namespace mozilla {
namespace dom {

namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;


namespace OverSampleTypeValues {
extern const EnumEntry strings[4] = {
  {"none", 4},
  {"2x", 2},
  {"4x", 2},
  { nullptr, 0 }
};
} // namespace OverSampleTypeValues

bool
ToJSValue(JSContext* aCx, OverSampleType aArgument, JS::MutableHandle<JS::Value> aValue)
{
  MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(OverSampleTypeValues::strings));
  JSString* resultStr =
    JS_NewStringCopyN(aCx, OverSampleTypeValues::strings[uint32_t(aArgument)].value,
                      OverSampleTypeValues::strings[uint32_t(aArgument)].length);
  if (!resultStr) {
    return false;
  }
  aValue.setString(resultStr);
  return true;
}



WaveShaperOptions::WaveShaperOptions()
  : AudioNodeOptions(FastDictionaryInitializer())
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
WaveShaperOptions::InitIds(JSContext* cx, WaveShaperOptionsAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->oversample_id.init(cx, "oversample") ||
      !atomsCache->curve_id.init(cx, "curve")) {
    return false;
  }
  return true;
}

bool
WaveShaperOptions::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  WaveShaperOptionsAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<WaveShaperOptionsAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  // Per spec, we init the parent's members first
  if (!AudioNodeOptions::Init(cx, val)) {
    return false;
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->curve_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mCurve.Construct();
    if (temp.ref().isObject()) {
      JS::ForOfIterator iter(cx);
      if (!iter.init(temp.ref(), JS::ForOfIterator::AllowNonIterable)) {
        return false;
      }
      if (!iter.valueIsIterable()) {
        ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'curve' member of WaveShaperOptions");
        return false;
      }
      Sequence<float> &arr = (mCurve.Value());
      JS::Rooted<JS::Value> temp(cx);
      while (true) {
        bool done;
        if (!iter.next(&temp, &done)) {
          return false;
        }
        if (done) {
          break;
        }
        float* slotPtr = arr.AppendElement(mozilla::fallible);
        if (!slotPtr) {
          JS_ReportOutOfMemory(cx);
          return false;
        }
        float& slot = *slotPtr;
        if (!ValueToPrimitive<float, eDefault>(cx, temp, &slot)) {
          return false;
        } else if (!mozilla::IsFinite(slot)) {
          ThrowErrorMessage(cx, MSG_NOT_FINITE, "Element of 'curve' member of WaveShaperOptions");
          return false;
        }
      }
    } else {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'curve' member of WaveShaperOptions");
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->oversample_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    {
      int index;
      if (!FindEnumStringIndex<true>(cx, temp.ref(), OverSampleTypeValues::strings, "OverSampleType", "'oversample' member of WaveShaperOptions", &index)) {
        return false;
      }
      MOZ_ASSERT(index >= 0);
      mOversample = static_cast<OverSampleType>(index);
    }
  } else {
    mOversample = OverSampleType::None;
  }
  mIsAnyMemberPresent = true;
  return true;
}

bool
WaveShaperOptions::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
WaveShaperOptions::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  WaveShaperOptionsAtoms* atomsCache = GetAtomCache<WaveShaperOptionsAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  // Per spec, we define the parent's members first
  if (!AudioNodeOptions::ToObjectInternal(cx, rval)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &rval.toObject());

  if (mCurve.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      Sequence<float> const & currentValue = mCurve.InternalValue();

      uint32_t length = currentValue.Length();
      JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
      if (!returnArray) {
        return false;
      }
      // Scope for 'tmp'
      {
        JS::Rooted<JS::Value> tmp(cx);
        for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) {
          // Control block to let us common up the JS_DefineElement calls when there
          // are different ways to succeed at wrapping the object.
          do {
            tmp.set(JS_NumberValue(double(currentValue[sequenceIdx0])));
            break;
          } while (false);
          if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                                JSPROP_ENUMERATE)) {
            return false;
          }
        }
      }
      temp.setObject(*returnArray);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->curve_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    OverSampleType const & currentValue = mOversample;
    if (!ToJSValue(cx, currentValue, &temp)) {
      return false;
    }
    if (!JS_DefinePropertyById(cx, obj, atomsCache->oversample_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  return true;
}

bool
WaveShaperOptions::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
WaveShaperOptions::TraceDictionary(JSTracer* trc)
{
  AudioNodeOptions::TraceDictionary(trc);
}

WaveShaperOptions&
WaveShaperOptions::operator=(const WaveShaperOptions& aOther)
{
  AudioNodeOptions::operator=(aOther);
  mCurve.Reset();
  if (aOther.mCurve.WasPassed()) {
    mCurve.Construct(aOther.mCurve.Value());
  }
  mOversample = aOther.mOversample;
  return *this;
}

namespace binding_detail {
} // namespace binding_detail


namespace WaveShaperNode_Binding {

static_assert(IsRefcounted<NativeType>::value == IsRefcounted<AudioNode_Binding::NativeType>::value,
              "Can't inherit from an interface with a different ownership model.");

MOZ_CAN_RUN_SCRIPT static bool
get_curve(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::WaveShaperNode* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get WaveShaperNode.curve", DOM, cx);

  // Have to either root across the getter call or reget after.
  bool isXray;
  JS::Rooted<JSObject*> slotStorage(cx, GetCachedSlotStorageObject(cx, obj, &isXray));
  if (!slotStorage) {
    return false;
  }
  const size_t slotIndex = isXray ? (xpc::JSSLOT_EXPANDO_COUNT + 0) : (DOM_INSTANCE_RESERVED_SLOTS + 0);
  MOZ_ASSERT(JSCLASS_RESERVED_SLOTS(js::GetObjectClass(slotStorage)) > slotIndex);
  {
    // Scope for cachedVal
    JS::Value cachedVal = js::GetReservedSlot(slotStorage, slotIndex);
    if (!cachedVal.isUndefined()) {
      args.rval().set(cachedVal);
      // The cached value is in the compartment of slotStorage,
      // so wrap into the caller compartment as needed.
      if (MaybeWrapNonDOMObjectOrNullValue(cx, args.rval())) {
        return true;
      }
      return false;
    }
  }

  JS::Rooted<JSObject*> result(cx);
  self->GetCurve(cx, &result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  {
    JS::Rooted<JSObject*> conversionScope(cx, isXray ? JS::CurrentGlobalOrNull(cx) : slotStorage);
    JSAutoRealm ar(cx, conversionScope);
    do { // block we break out of when done wrapping
      if (result) {
                    JS::ExposeObjectToActiveJS(result);
                  }
                  args.rval().setObjectOrNull(result);
      if (!MaybeWrapNonDOMObjectOrNullValue(cx, args.rval())) {
        return false;
      }
      break;
    } while (false);
  }
  { // And now store things in the realm of our slotStorage.
    JSAutoRealm ar(cx, slotStorage);
    // Make a copy so that we don't do unnecessary wrapping on args.rval().
    JS::Rooted<JS::Value> storedVal(cx, args.rval());
    if (!MaybeWrapNonDOMObjectOrNullValue(cx, &storedVal)) {
      return false;
    }
    js::SetReservedSlot(slotStorage, slotIndex, storedVal);
    if (!isXray) {
      // In the Xray case we don't need to do this, because getting the
      // expando object already preserved our wrapper.
      PreserveWrapper(self);
    }
  }
  // And now make sure args.rval() is in the caller realm.
  if (MaybeWrapNonDOMObjectOrNullValue(cx, args.rval())) {
    return true;
  }
  return false;
}

MOZ_CAN_RUN_SCRIPT static bool
set_curve(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::WaveShaperNode* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set WaveShaperNode.curve", DOM, cx);

  RootedSpiderMonkeyInterface<Nullable<Float32Array>> arg0(cx);
  if (args[0].isObject()) {
    if (!arg0.SetValue().Init(&args[0].toObject())) {
      ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Value being assigned to WaveShaperNode.curve", "Float32ArrayOrNull");
      return false;
    }
  } else if (args[0].isNullOrUndefined()) {
    arg0.SetNull();
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Value being assigned to WaveShaperNode.curve");
    return false;
  }
  FastErrorResult rv;
  self->SetCurve(Constify(arg0), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  ClearCachedCurveValue(self);
  return true;
}

static const JSJitInfo curve_getterinfo = {
  { (JSJitGetterOp)get_curve },
  { prototypes::id::WaveShaperNode },
  { PrototypeTraits<prototypes::id::WaveShaperNode>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  true,  /* isMovable.  Not relevant for setters. */
  true, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  true, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  (DOM_INSTANCE_RESERVED_SLOTS + 0)   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert((DOM_INSTANCE_RESERVED_SLOTS + 0) < 2, "There is no slot for us");
static const JSJitInfo curve_setterinfo = {
  { (JSJitGetterOp)set_curve },
  { prototypes::id::WaveShaperNode },
  { PrototypeTraits<prototypes::id::WaveShaperNode>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_oversample(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::WaveShaperNode* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get WaveShaperNode.oversample", DOM, cx);

  OverSampleType result(self->Oversample());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
set_oversample(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::WaveShaperNode* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set WaveShaperNode.oversample", DOM, cx);

  OverSampleType arg0;
  {
    int index;
    if (!FindEnumStringIndex<false>(cx, args[0], OverSampleTypeValues::strings, "OverSampleType", "Value being assigned to WaveShaperNode.oversample", &index)) {
      return false;
    }
    if (index < 0) {
      return true;
    }
    arg0 = static_cast<OverSampleType>(index);
  }
  self->SetOversample(arg0);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo oversample_getterinfo = {
  { (JSJitGetterOp)get_oversample },
  { prototypes::id::WaveShaperNode },
  { PrototypeTraits<prototypes::id::WaveShaperNode>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_STRING,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo oversample_setterinfo = {
  { (JSJitGetterOp)set_oversample },
  { prototypes::id::WaveShaperNode },
  { PrototypeTraits<prototypes::id::WaveShaperNode>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_passThrough(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::WaveShaperNode* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get WaveShaperNode.passThrough", DOM, cx);

  bool result(self->PassThrough());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
set_passThrough(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::WaveShaperNode* self, JSJitSetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("set WaveShaperNode.passThrough", DOM, cx);

  bool arg0;
  if (!ValueToPrimitive<bool, eDefault>(cx, args[0], &arg0)) {
    return false;
  }
  self->SetPassThrough(arg0);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  return true;
}

static const JSJitInfo passThrough_getterinfo = {
  { (JSJitGetterOp)get_passThrough },
  { prototypes::id::WaveShaperNode },
  { PrototypeTraits<prototypes::id::WaveShaperNode>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_BOOLEAN,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");
static const JSJitInfo passThrough_setterinfo = {
  { (JSJitGetterOp)set_passThrough },
  { prototypes::id::WaveShaperNode },
  { PrototypeTraits<prototypes::id::WaveShaperNode>::Depth },
  JSJitInfo::Setter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 2, "There is no slot for us");

static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
  mozilla::dom::WaveShaperNode* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::WaveShaperNode>(obj);
  // We don't want to preserve if we don't have a wrapper, and we
  // obviously can't preserve if we're not initialized.
  if (self && self->GetWrapperPreserveColor()) {
    PreserveWrapper(self);
  }
  return true;
}

static void
_finalize(js::FreeOp* fop, JSObject* obj)
{
  mozilla::dom::WaveShaperNode* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::WaveShaperNode>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::WaveShaperNode>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::WaveShaperNode* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::WaveShaperNode>(obj);
  if (self) {
    UpdateWrapper(self, self, obj, old);
  }

  return 0;
}

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSPropertySpec sAttributes_specs[] = {
  { "curve", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &curve_getterinfo, GenericSetter<NormalThisPolicy>, &curve_setterinfo },
  { "oversample", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &oversample_getterinfo, GenericSetter<NormalThisPolicy>, &oversample_setterinfo },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSPropertySpec> sAttributes[] = {
  { nullptr, &sAttributes_specs[0] },
  { nullptr, nullptr }
};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSPropertySpec sChromeAttributes_specs[] = {
  { "passThrough", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &passThrough_getterinfo, GenericSetter<NormalThisPolicy>, &passThrough_setterinfo },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSPropertySpec> sChromeAttributes[] = {
  { nullptr, &sChromeAttributes_specs[0] },
  { nullptr, nullptr }
};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");


static uint16_t sNativeProperties_sortedPropertyIndices[2];
static PropertyInfo sNativeProperties_propertyInfos[2];

static const NativePropertiesN<1> sNativeProperties = {
  false, 0,
  false, 0,
  false, 0,
  true,  0 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  2,
  sNativeProperties_sortedPropertyIndices,
  {
    { sAttributes, &sNativeProperties_propertyInfos[0] }
  }
};
static_assert(2 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[1];
static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[1];

static const NativePropertiesN<1> sChromeOnlyNativeProperties = {
  false, 0,
  false, 0,
  false, 0,
  true,  0 /* sChromeAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  1,
  sChromeOnlyNativeProperties_sortedPropertyIndices,
  {
    { sChromeAttributes, &sChromeOnlyNativeProperties_propertyInfos[0] }
  }
};
static_assert(1 < 1ull << CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("WaveShaperNode constructor", DOM, cx);

  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  JS::Rooted<JSObject*> obj(cx, &args.callee());
  if (!args.isConstructing()) {
    // XXXbz wish I could get the name from the callee instead of
    // Adding more relocations
    return ThrowConstructorWithoutNew(cx, "WaveShaperNode");
  }

  JS::Rooted<JSObject*> desiredProto(cx);
  if (!GetDesiredProto(cx, args, &desiredProto)) {
    return false;
  }

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "WaveShaperNode");
  }
  GlobalObject global(cx, obj);
  if (global.Failed()) {
    return false;
  }

  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  NonNull<mozilla::dom::AudioContext> arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::BaseAudioContext, mozilla::dom::AudioContext>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of WaveShaperNode.constructor", "BaseAudioContext");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of WaveShaperNode.constructor");
    return false;
  }
  binding_detail::FastWaveShaperOptions arg1;
  if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue,  "Argument 2 of WaveShaperNode.constructor", false)) {
    return false;
  }
  Maybe<JSAutoRealm> ar;
  if (objIsXray) {
    obj = js::CheckedUnwrap(obj);
    if (!obj) {
      return false;
    }
    ar.emplace(cx, obj);
    if (!JS_WrapObject(cx, &desiredProto)) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::WaveShaperNode>(mozilla::dom::WaveShaperNode::Constructor(global, MOZ_KnownLive(NonNullHelper(arg0)), Constify(arg1), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  static_assert(!IsPointer<decltype(result)>::value,
                "NewObject implies that we need to keep the object alive with a strong reference.");
  if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const js::ClassOps sInterfaceObjectClassOps = {
    nullptr,               /* addProperty */
    nullptr,               /* delProperty */
    nullptr,               /* enumerate */
    nullptr,               /* newEnumerate */
    nullptr,               /* resolve */
    nullptr,               /* mayResolve */
    nullptr,               /* finalize */
    _constructor, /* call */
    nullptr,               /* hasInstance */
    _constructor, /* construct */
    nullptr,               /* trace */
};

static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
  {
    "Function",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
    &sInterfaceObjectClassOps,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    &sInterfaceObjectClassObjectOps
  },
  eInterface,
  true,
  prototypes::id::WaveShaperNode,
  PrototypeTraits<prototypes::id::WaveShaperNode>::Depth,
  sNativePropertyHooks,
  "function WaveShaperNode() {\n    [native code]\n}",
  AudioNode_Binding::GetConstructorObject
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "WaveShaperNodePrototype",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
    JS_NULL_CLASS_OPS,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    JS_NULL_OBJECT_OPS
  },
  eInterfacePrototype,
  false,
  prototypes::id::WaveShaperNode,
  PrototypeTraits<prototypes::id::WaveShaperNode>::Depth,
  sNativePropertyHooks,
  "[object WaveShaperNodePrototype]",
  AudioNode_Binding::GetProtoObject
};

bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
  static bool sPrefValue;
  static bool sPrefCacheSetUp = false;
  if (!sPrefCacheSetUp) {
    sPrefCacheSetUp = true;
    Preferences::AddBoolVarCache(&sPrefValue, "dom.webaudio.enabled");
  }

  return sPrefValue;
}

static const js::ClassOps sClassOps = {
  _addProperty, /* addProperty */
  nullptr,               /* delProperty */
  nullptr,               /* enumerate */
  nullptr, /* newEnumerate */
  nullptr, /* resolve */
  nullptr, /* mayResolve */
  _finalize, /* finalize */
  nullptr, /* call */
  nullptr,               /* hasInstance */
  nullptr,               /* construct */
  nullptr, /* trace */
};

static const js::ClassExtension sClassExtension = {
  nullptr, /* weakmapKeyDelegateOp */
  _objectMoved /* objectMovedOp */
};

static const DOMJSClass sClass = {
  { "WaveShaperNode",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(2),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::EventTarget, prototypes::id::AudioNode, prototypes::id::WaveShaperNode, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  IsBaseOf<nsISupports, mozilla::dom::WaveShaperNode >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::WaveShaperNode>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::WaveShaperNode>::Get()
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
              "Must have the right minimal number of reserved slots.");
static_assert(2 >= 2,
              "Must have enough reserved slots.");

const JSClass*
GetJSClass()
{
  return sClass.ToJSClass();
}

bool
Wrap(JSContext* aCx, mozilla::dom::WaveShaperNode* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::WaveShaperNode>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::WaveShaperNode*>(aObject) ==
             reinterpret_cast<mozilla::dom::WaveShaperNode*>(aObject),
             "Multiple inheritance for mozilla::dom::WaveShaperNode is broken.");
  MOZ_ASSERT(static_cast<mozilla::dom::AudioNode*>(aObject) ==
             reinterpret_cast<mozilla::dom::AudioNode*>(aObject),
             "Multiple inheritance for mozilla::dom::AudioNode is broken.");
  MOZ_ASSERT(static_cast<mozilla::dom::EventTarget*>(aObject) ==
             reinterpret_cast<mozilla::dom::EventTarget*>(aObject),
             "Multiple inheritance for mozilla::dom::EventTarget is broken.");
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
  MOZ_ASSERT(!aCache->GetWrapper(),
             "You should probably not be using Wrap() directly; use "
             "GetOrCreateDOMReflector instead");

  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
             "nsISupports must be on our primary inheritance chain");

  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
  if (!global) {
    return false;
  }
  MOZ_ASSERT(JS_IsGlobalObject(global));
  MOZ_ASSERT(JS::ObjectIsNotGray(global));

  // That might have ended up wrapping us already, due to the wonders
  // of XBL.  Check for that, and bail out as needed.
  aReflector.set(aCache->GetWrapper());
  if (aReflector) {
#ifdef DEBUG
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
    return true;
  }

  JSAutoRealm ar(aCx, global);
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
  if (!canonicalProto) {
    return false;
  }
  JS::Rooted<JSObject*> proto(aCx);
  if (aGivenProto) {
    proto = aGivenProto;
    // Unfortunately, while aGivenProto was in the compartment of aCx
    // coming in, we changed compartments to that of "parent" so may need
    // to wrap the proto here.
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
      if (!JS_WrapObject(aCx, &proto)) {
        return false;
      }
    }
  } else {
    proto = canonicalProto;
  }

  BindingJSObjectCreator<mozilla::dom::WaveShaperNode> creator(aCx);
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
  if (!aReflector) {
    return false;
  }

  aCache->SetWrapper(aReflector);
  creator.InitializationSucceeded();

  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
             aCache->GetWrapperPreserveColor() == aReflector);
  // If proto != canonicalProto, we have to preserve our wrapper;
  // otherwise we won't be able to properly recreate it later, since
  // we won't know what proto to use.  Note that we don't check
  // aGivenProto here, since it's entirely possible (and even
  // somewhat common) to have a non-null aGivenProto which is the
  // same as canonicalProto.
  if (proto != canonicalProto) {
    PreserveWrapper(aObject);
  }

  return true;
}

// This may allocate too many slots, because we only really need
// slots for our non-interface-typed members that we cache.  But
// allocating slots only for those would make the slot index
// computations much more complicated, so let's do this the simple
// way for now.
DEFINE_XRAY_EXPANDO_CLASS(static, sXrayExpandoObjectClass, 1);

const NativePropertyHooks sNativePropertyHooks[] = { {
  nullptr,
  nullptr,
  nullptr,
  { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast() },
  prototypes::id::WaveShaperNode,
  constructors::id::WaveShaperNode,
  AudioNode_Binding::sNativePropertyHooks,
  &sXrayExpandoObjectClass
} };

void
ClearCachedCurveValue(mozilla::dom::WaveShaperNode* aObject)
{
  JSObject* obj;
  obj = aObject->GetWrapper();
  if (!obj) {
    return;
  }
  js::SetReservedSlot(obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), JS::UndefinedValue());
  xpc::ClearXrayExpandoSlots(obj, (xpc::JSSLOT_EXPANDO_COUNT + 0));
}

void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
  JS::Handle<JSObject*> parentProto(AudioNode_Binding::GetProtoObjectHandle(aCx));
  if (!parentProto) {
    return;
  }

  JS::Handle<JSObject*> constructorProto(AudioNode_Binding::GetConstructorObjectHandle(aCx));
  if (!constructorProto) {
    return;
  }

  static bool sIdsInited = false;
  if (!sIdsInited && NS_IsMainThread()) {
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
      return;
    }
    if (!InitIds(aCx, sChromeOnlyNativeProperties.Upcast())) {
      return;
    }
    sIdsInited = true;
  }

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::WaveShaperNode);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::WaveShaperNode);
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              nullptr,
                              constructorProto, &sInterfaceObjectClass.mBase, 1, nullptr,
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              sChromeOnlyNativeProperties.Upcast(),
                              "WaveShaperNode", aDefineOnGlobal,
                              nullptr,
                              false);
}

JSObject*
GetConstructorObject(JSContext* aCx)
{
  return GetConstructorObjectHandle(aCx);
}

} // namespace WaveShaperNode_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53