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

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

#include "FormDataBinding.h"
#include "WrapperFactory.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/Blob.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/Directory.h"
#include "mozilla/dom/FormData.h"
#include "mozilla/dom/HTMLFormElement.h"
#include "mozilla/dom/IterableIterator.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/UnionConversions.h"
#include "mozilla/dom/XrayExpandoClass.h"

namespace mozilla {
namespace dom {

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


void
ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& aCallback, OwningBlobOrDirectoryOrUSVString& aUnion, const char* aName, uint32_t aFlags)
{
  if (aUnion.IsBlob()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsBlob(), "mBlob", aFlags);
  } else if (aUnion.IsDirectory()) {
    ImplCycleCollectionTraverse(aCallback, aUnion.GetAsDirectory(), "mDirectory", aFlags);
  }
}


void
ImplCycleCollectionUnlink(OwningBlobOrDirectoryOrUSVString& aUnion)
{
  aUnion.Uninit();
}


bool
BlobOrDirectoryOrUSVString::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
      break;
    }
    case eBlob: {
      if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eDirectory: {
      if (!GetOrCreateDOMReflector(cx, mValue.mDirectory.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eUSVString: {
      if (!xpc::NonVoidStringToJsval(cx, mValue.mUSVString.Value(), rval)) {
        return false;
      }
      return true;
      break;
    }
    default: {
      return false;
      break;
    }
  }

  return false;
}


OwningNonNull<mozilla::dom::Blob>&
OwningBlobOrDirectoryOrUSVString::RawSetAsBlob()
{
  if (mType == eBlob) {
    return mValue.mBlob.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eBlob;
  return mValue.mBlob.SetValue();
}

OwningNonNull<mozilla::dom::Blob>&
OwningBlobOrDirectoryOrUSVString::SetAsBlob()
{
  if (mType == eBlob) {
    return mValue.mBlob.Value();
  }
  Uninit();
  mType = eBlob;
  return mValue.mBlob.SetValue();
}

bool
OwningBlobOrDirectoryOrUSVString::TrySetToBlob(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::Blob>& memberSlot = RawSetAsBlob();
    static_assert(IsRefcounted<mozilla::dom::Blob>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::Blob, mozilla::dom::Blob>(value, memberSlot);
      if (NS_FAILED(rv)) {
        DestroyBlob();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

void
OwningBlobOrDirectoryOrUSVString::DestroyBlob()
{
  MOZ_ASSERT(IsBlob(), "Wrong type!");
  mValue.mBlob.Destroy();
  mType = eUninitialized;
}




OwningNonNull<mozilla::dom::Directory>&
OwningBlobOrDirectoryOrUSVString::RawSetAsDirectory()
{
  if (mType == eDirectory) {
    return mValue.mDirectory.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eDirectory;
  return mValue.mDirectory.SetValue();
}

OwningNonNull<mozilla::dom::Directory>&
OwningBlobOrDirectoryOrUSVString::SetAsDirectory()
{
  if (mType == eDirectory) {
    return mValue.mDirectory.Value();
  }
  Uninit();
  mType = eDirectory;
  return mValue.mDirectory.SetValue();
}

bool
OwningBlobOrDirectoryOrUSVString::TrySetToDirectory(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    OwningNonNull<mozilla::dom::Directory>& memberSlot = RawSetAsDirectory();
    static_assert(IsRefcounted<mozilla::dom::Directory>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::Directory, mozilla::dom::Directory>(value, memberSlot);
      if (NS_FAILED(rv)) {
        DestroyDirectory();
        tryNext = true;
        return true;
      }
    }
  }
  return true;
}

void
OwningBlobOrDirectoryOrUSVString::DestroyDirectory()
{
  MOZ_ASSERT(IsDirectory(), "Wrong type!");
  mValue.mDirectory.Destroy();
  mType = eUninitialized;
}




nsString&
OwningBlobOrDirectoryOrUSVString::RawSetAsUSVString()
{
  if (mType == eUSVString) {
    return mValue.mUSVString.Value();
  }
  MOZ_ASSERT(mType == eUninitialized);
  mType = eUSVString;
  return mValue.mUSVString.SetValue();
}

nsString&
OwningBlobOrDirectoryOrUSVString::SetAsUSVString()
{
  if (mType == eUSVString) {
    return mValue.mUSVString.Value();
  }
  Uninit();
  mType = eUSVString;
  return mValue.mUSVString.SetValue();
}

bool
OwningBlobOrDirectoryOrUSVString::TrySetToUSVString(JSContext* cx, JS::Handle<JS::Value> value, bool& tryNext, bool passedToJSImpl)
{
  tryNext = false;
  { // scope for memberSlot
    nsString& memberSlot = RawSetAsUSVString();
    if (!ConvertJSValueToString(cx, value, eStringify, eStringify, memberSlot)) {
      return false;
    }
    NormalizeUSVString(memberSlot);
  }
  return true;
}


void
OwningBlobOrDirectoryOrUSVString::DestroyUSVString()
{
  MOZ_ASSERT(IsUSVString(), "Wrong type!");
  mValue.mUSVString.Destroy();
  mType = eUninitialized;
}




void
OwningBlobOrDirectoryOrUSVString::Uninit()
{
  switch (mType) {
    case eUninitialized: {
      break;
    }
    case eBlob: {
      DestroyBlob();
      break;
    }
    case eDirectory: {
      DestroyDirectory();
      break;
    }
    case eUSVString: {
      DestroyUSVString();
      break;
    }
  }
}

bool
OwningBlobOrDirectoryOrUSVString::ToJSVal(JSContext* cx, JS::Handle<JSObject*> scopeObj, JS::MutableHandle<JS::Value> rval) const
{
  switch (mType) {
    case eUninitialized: {
      return false;
      break;
    }
    case eBlob: {
      if (!GetOrCreateDOMReflector(cx, mValue.mBlob.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eDirectory: {
      if (!GetOrCreateDOMReflector(cx, mValue.mDirectory.Value(), rval)) {
        MOZ_ASSERT(JS_IsExceptionPending(cx));
        return false;
      }
      return true;
      break;
    }
    case eUSVString: {
      if (!xpc::NonVoidStringToJsval(cx, mValue.mUSVString.Value(), rval)) {
        return false;
      }
      return true;
      break;
    }
    default: {
      return false;
      break;
    }
  }

  return false;
}

void
OwningBlobOrDirectoryOrUSVString::TraceUnion(JSTracer* trc)
{
}

OwningBlobOrDirectoryOrUSVString&
OwningBlobOrDirectoryOrUSVString::operator=(const OwningBlobOrDirectoryOrUSVString& aOther)
{
  switch (aOther.mType) {
    case eUninitialized: {
      MOZ_ASSERT(mType == eUninitialized,
                 "We need to destroy ourselves?");
      break;
    }
    case eBlob: {
      SetAsBlob() = aOther.GetAsBlob();
      break;
    }
    case eDirectory: {
      SetAsDirectory() = aOther.GetAsDirectory();
      break;
    }
    case eUSVString: {
      SetAsUSVString() = aOther.GetAsUSVString();
      break;
    }
  }
  return *this;
}


namespace FormData_Binding {

MOZ_CAN_RUN_SCRIPT static bool
append(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FormData* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormData.append", DOM, cx);

  unsigned argcount = std::min(args.length(), 3u);
  switch (argcount) {
    case 2: {
      binding_detail::FakeString arg0;
      if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
        return false;
      }
      NormalizeUSVString(arg0);
      if (args[1].isObject()) {
        do {
          NonNull<mozilla::dom::Blob> arg1;
          {
            nsresult rv = UnwrapObject<prototypes::id::Blob, mozilla::dom::Blob>(args[1], arg1);
            if (NS_FAILED(rv)) {
              break;
            }
          }
          Optional<nsAString> arg2;
          binding_detail::FakeString arg2_holder;
          if (args.hasDefined(2)) {
            if (!ConvertJSValueToString(cx, args[2], eStringify, eStringify, arg2_holder)) {
              return false;
            }
            NormalizeUSVString(arg2_holder);
            arg2 = &arg2_holder;
          }
          FastErrorResult rv;
          self->Append(Constify(arg0), MOZ_KnownLive(NonNullHelper(arg1)), Constify(arg2), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (false);
      }
      binding_detail::FakeString arg1;
      if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) {
        return false;
      }
      NormalizeUSVString(arg1);
      FastErrorResult rv;
      self->Append(Constify(arg0), Constify(arg1), rv);
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      args.rval().setUndefined();
      return true;
      break;
    }
    case 3: {
      binding_detail::FakeString arg0;
      if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
        return false;
      }
      NormalizeUSVString(arg0);
      NonNull<mozilla::dom::Blob> arg1;
      if (args[1].isObject()) {
        {
          nsresult rv = UnwrapObject<prototypes::id::Blob, mozilla::dom::Blob>(args[1], arg1);
          if (NS_FAILED(rv)) {
            ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 2 of FormData.append", "Blob");
            return false;
          }
        }
      } else {
        ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 2 of FormData.append");
        return false;
      }
      Optional<nsAString> arg2;
      binding_detail::FakeString arg2_holder;
      if (args.hasDefined(2)) {
        if (!ConvertJSValueToString(cx, args[2], eStringify, eStringify, arg2_holder)) {
          return false;
        }
        NormalizeUSVString(arg2_holder);
        arg2 = &arg2_holder;
      }
      FastErrorResult rv;
      self->Append(Constify(arg0), MOZ_KnownLive(NonNullHelper(arg1)), Constify(arg2), rv);
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      args.rval().setUndefined();
      return true;
      break;
    }
    default: {
      return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "FormData.append");
      break;
    }
  }
  MOZ_CRASH("We have an always-returning default case");
  return false;
}

static const JSJitInfo append_methodinfo = {
  { (JSJitGetterOp)append },
  { prototypes::id::FormData },
  { PrototypeTraits<prototypes::id::FormData>::Depth },
  JSJitInfo::Method,
  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 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
_delete_(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FormData* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormData.delete", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "FormData.delete");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  NormalizeUSVString(arg0);
  self->Delete(Constify(arg0));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo delete_methodinfo = {
  { (JSJitGetterOp)_delete_ },
  { prototypes::id::FormData },
  { PrototypeTraits<prototypes::id::FormData>::Depth },
  JSJitInfo::Method,
  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 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FormData* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormData.get", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "FormData.get");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  NormalizeUSVString(arg0);
  Nullable<OwningBlobOrDirectoryOrUSVString> result;
  self->Get(Constify(arg0), result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (result.IsNull()) {
    args.rval().setNull();
    return true;
  }
  if (!result.Value().ToJSVal(cx, obj, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo get_methodinfo = {
  { (JSJitGetterOp)get },
  { prototypes::id::FormData },
  { PrototypeTraits<prototypes::id::FormData>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* 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 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getAll(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FormData* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormData.getAll", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "FormData.getAll");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  NormalizeUSVString(arg0);
  nsTArray<OwningBlobOrDirectoryOrUSVString> result;
  self->GetAll(Constify(arg0), result);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  uint32_t length = result.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 {
        if (!result[sequenceIdx0].ToJSVal(cx, returnArray, &tmp)) {
          return false;
        }
        break;
      } while (false);
      if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                            JSPROP_ENUMERATE)) {
        return false;
      }
    }
  }
  args.rval().setObject(*returnArray);
  return true;
}

static const JSJitInfo getAll_methodinfo = {
  { (JSJitGetterOp)getAll },
  { prototypes::id::FormData },
  { PrototypeTraits<prototypes::id::FormData>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* 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 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
has(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FormData* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormData.has", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "FormData.has");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  NormalizeUSVString(arg0);
  bool result(self->Has(Constify(arg0)));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setBoolean(result);
  return true;
}

static const JSJitInfo has_methodinfo = {
  { (JSJitGetterOp)has },
  { prototypes::id::FormData },
  { PrototypeTraits<prototypes::id::FormData>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_BOOLEAN,  /* 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 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
set(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FormData* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormData.set", DOM, cx);

  unsigned argcount = std::min(args.length(), 3u);
  switch (argcount) {
    case 2: {
      binding_detail::FakeString arg0;
      if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
        return false;
      }
      NormalizeUSVString(arg0);
      if (args[1].isObject()) {
        do {
          NonNull<mozilla::dom::Blob> arg1;
          {
            nsresult rv = UnwrapObject<prototypes::id::Blob, mozilla::dom::Blob>(args[1], arg1);
            if (NS_FAILED(rv)) {
              break;
            }
          }
          Optional<nsAString> arg2;
          binding_detail::FakeString arg2_holder;
          if (args.hasDefined(2)) {
            if (!ConvertJSValueToString(cx, args[2], eStringify, eStringify, arg2_holder)) {
              return false;
            }
            NormalizeUSVString(arg2_holder);
            arg2 = &arg2_holder;
          }
          FastErrorResult rv;
          self->Set(Constify(arg0), MOZ_KnownLive(NonNullHelper(arg1)), Constify(arg2), rv);
          if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
            return false;
          }
          MOZ_ASSERT(!JS_IsExceptionPending(cx));
          args.rval().setUndefined();
          return true;
        } while (false);
      }
      binding_detail::FakeString arg1;
      if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) {
        return false;
      }
      NormalizeUSVString(arg1);
      FastErrorResult rv;
      self->Set(Constify(arg0), Constify(arg1), rv);
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      args.rval().setUndefined();
      return true;
      break;
    }
    case 3: {
      binding_detail::FakeString arg0;
      if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
        return false;
      }
      NormalizeUSVString(arg0);
      NonNull<mozilla::dom::Blob> arg1;
      if (args[1].isObject()) {
        {
          nsresult rv = UnwrapObject<prototypes::id::Blob, mozilla::dom::Blob>(args[1], arg1);
          if (NS_FAILED(rv)) {
            ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 2 of FormData.set", "Blob");
            return false;
          }
        }
      } else {
        ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 2 of FormData.set");
        return false;
      }
      Optional<nsAString> arg2;
      binding_detail::FakeString arg2_holder;
      if (args.hasDefined(2)) {
        if (!ConvertJSValueToString(cx, args[2], eStringify, eStringify, arg2_holder)) {
          return false;
        }
        NormalizeUSVString(arg2_holder);
        arg2 = &arg2_holder;
      }
      FastErrorResult rv;
      self->Set(Constify(arg0), MOZ_KnownLive(NonNullHelper(arg1)), Constify(arg2), rv);
      if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
        return false;
      }
      MOZ_ASSERT(!JS_IsExceptionPending(cx));
      args.rval().setUndefined();
      return true;
      break;
    }
    default: {
      return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "FormData.set");
      break;
    }
  }
  MOZ_CRASH("We have an always-returning default case");
  return false;
}

static const JSJitInfo set_methodinfo = {
  { (JSJitGetterOp)set },
  { prototypes::id::FormData },
  { PrototypeTraits<prototypes::id::FormData>::Depth },
  JSJitInfo::Method,
  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 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
entries(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FormData* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormData.entries", DOM, cx);

  typedef mozilla::dom::IterableIterator<mozilla::dom::FormData> itrType;
  RefPtr<itrType> result(new itrType(self,
                                       itrType::IterableIteratorType::Entries,
                                       &FormDataIterator_Binding::Wrap));
  static_assert(!IsPointer<decltype(result)>::value,
                "NewObject implies that we need to keep the object alive with a strong reference.");
  if (!WrapNewBindingNonWrapperCachedObject(cx, obj, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo::ArgType entries_methodinfo_argTypes[] = { JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo entries_methodinfo = {
  {
    { (JSJitGetterOp)entries },
    { prototypes::id::FormData },
    { PrototypeTraits<prototypes::id::FormData>::Depth },
    JSJitInfo::Method,
    JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
    JSVAL_TYPE_OBJECT,  /* 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. */
    true,  /* isTypedMethod.  Only relevant for methods. */
    0   /* Reserved slot index, if we're stored in a slot, else 0. */
  },
  entries_methodinfo_argTypes
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
keys(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FormData* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormData.keys", DOM, cx);

  typedef mozilla::dom::IterableIterator<mozilla::dom::FormData> itrType;
  RefPtr<itrType> result(new itrType(self,
                                       itrType::IterableIteratorType::Keys,
                                       &FormDataIterator_Binding::Wrap));
  static_assert(!IsPointer<decltype(result)>::value,
                "NewObject implies that we need to keep the object alive with a strong reference.");
  if (!WrapNewBindingNonWrapperCachedObject(cx, obj, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo::ArgType keys_methodinfo_argTypes[] = { JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo keys_methodinfo = {
  {
    { (JSJitGetterOp)keys },
    { prototypes::id::FormData },
    { PrototypeTraits<prototypes::id::FormData>::Depth },
    JSJitInfo::Method,
    JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
    JSVAL_TYPE_OBJECT,  /* 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. */
    true,  /* isTypedMethod.  Only relevant for methods. */
    0   /* Reserved slot index, if we're stored in a slot, else 0. */
  },
  keys_methodinfo_argTypes
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
values(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FormData* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormData.values", DOM, cx);

  typedef mozilla::dom::IterableIterator<mozilla::dom::FormData> itrType;
  RefPtr<itrType> result(new itrType(self,
                                       itrType::IterableIteratorType::Values,
                                       &FormDataIterator_Binding::Wrap));
  static_assert(!IsPointer<decltype(result)>::value,
                "NewObject implies that we need to keep the object alive with a strong reference.");
  if (!WrapNewBindingNonWrapperCachedObject(cx, obj, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo::ArgType values_methodinfo_argTypes[] = { JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo values_methodinfo = {
  {
    { (JSJitGetterOp)values },
    { prototypes::id::FormData },
    { PrototypeTraits<prototypes::id::FormData>::Depth },
    JSJitInfo::Method,
    JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
    JSVAL_TYPE_OBJECT,  /* 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. */
    true,  /* isTypedMethod.  Only relevant for methods. */
    0   /* Reserved slot index, if we're stored in a slot, else 0. */
  },
  values_methodinfo_argTypes
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
forEach(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::FormData* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormData.forEach", DOM, cx);

  JS::Rooted<JSObject*> arg0(cx);
  if (args.get(0).isObject()) {
    arg0 = &args.get(0).toObject();
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of FormData.forEach");
    return false;
  }
  JS::Rooted<JS::Value> arg1(cx);
  if (args.hasDefined(1)) {
    arg1 = args.get(1);
  } else {
    arg1 = JS::UndefinedValue();
  }
  if (!JS::IsCallable(arg0)) {
    ThrowErrorMessage(cx, MSG_NOT_CALLABLE, "Argument 1 of FormData.forEach");
    return false;
  }
  JS::AutoValueArray<3> callArgs(cx);
  callArgs[2].setObject(*obj);
  JS::Rooted<JS::Value> ignoredReturnVal(cx);
  auto GetKeyAtIndex = &mozilla::dom::FormData::GetKeyAtIndex;
  auto GetValueAtIndex = &mozilla::dom::FormData::GetValueAtIndex;
  for (size_t i = 0; i < self->GetIterableLength(); ++i) {
    if (!CallIterableGetter(cx, GetValueAtIndex, self, i,
                            callArgs[0])) {
      return false;
    }
    if (!CallIterableGetter(cx, GetKeyAtIndex, self, i,
                            callArgs[1])) {
      return false;
    }
    if (!JS::Call(cx, arg1, arg0, JS::HandleValueArray(callArgs),
                  &ignoredReturnVal)) {
      return false;
    }
  }
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo forEach_methodinfo = {
  { (JSJitGetterOp)forEach },
  { prototypes::id::FormData },
  { PrototypeTraits<prototypes::id::FormData>::Depth },
  JSJitInfo::Method,
  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 < 1, "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::FormData* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FormData>(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::FormData* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FormData>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::FormData>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::FormData* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::FormData>(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 JSFunctionSpec sMethods_specs[] = {
  JS_FNSPEC("append", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&append_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("delete", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&delete_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("get", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&get_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getAll", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getAll_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("has", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&has_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("set", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&set_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("entries", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&entries_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("keys", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&keys_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("values", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&values_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("forEach", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&forEach_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> sMethods[] = {
  { nullptr, &sMethods_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(10 <= 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[10];
static PropertyInfo sNativeProperties_propertyInfos[10];

static const NativePropertiesN<1> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  false, 0,
  false, 0,
  false, 0,
  false, 0,
  6,
  10,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] }
  }
};
static_assert(6 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.iteratorAliasMethodIndex) - 1),
    "We have an iterator alias index that is oversized");
static_assert(10 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
  AUTO_PROFILER_LABEL_FAST("FormData 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, "FormData");
  }

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

  GlobalObject global(cx, obj);
  if (global.Failed()) {
    return false;
  }

  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  Optional<NonNull<mozilla::dom::HTMLFormElement>> arg0;
  if (args.hasDefined(0)) {
    arg0.Construct();
    if (args[0].isObject()) {
      {
        nsresult rv = UnwrapObject<prototypes::id::HTMLFormElement, mozilla::dom::HTMLFormElement>(args[0], arg0.Value());
        if (NS_FAILED(rv)) {
          ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of FormData.constructor", "HTMLFormElement");
          return false;
        }
      }
    } else {
      ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of FormData.constructor");
      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::FormData>(mozilla::dom::FormData::Constructor(global, MOZ_KnownLive(NonNullHelper(Constify(arg0))), 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::FormData,
  PrototypeTraits<prototypes::id::FormData>::Depth,
  sNativePropertyHooks,
  "function FormData() {\n    [native code]\n}",
  JS::GetRealmFunctionPrototype
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "FormDataPrototype",
    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::FormData,
  PrototypeTraits<prototypes::id::FormData>::Depth,
  sNativePropertyHooks,
  "[object FormDataPrototype]",
  JS::GetRealmObjectPrototype
};

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

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

bool
Wrap(JSContext* aCx, mozilla::dom::FormData* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::FormData>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::FormData*>(aObject) ==
             reinterpret_cast<mozilla::dom::FormData*>(aObject),
             "Multiple inheritance for mozilla::dom::FormData 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::FormData> 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;
}

const NativePropertyHooks sNativePropertyHooks[] = { {
  nullptr,
  nullptr,
  nullptr,
  { sNativeProperties.Upcast(), nullptr },
  prototypes::id::FormData,
  constructors::id::FormData,
  nullptr,
  &DefaultXrayExpandoObjectClass
} };

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

  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
  if (!constructorProto) {
    return;
  }

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

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::FormData);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::FormData);
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              nullptr,
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              nullptr,
                              "FormData", aDefineOnGlobal,
                              nullptr,
                              false);

  // Set up aliases on the interface prototype object we just created.
  JS::Handle<JSObject*> proto = GetProtoObjectHandle(aCx);
  if (!proto) {
    *protoCache = nullptr;
    if (interfaceCache) {
      *interfaceCache = nullptr;
    }
    return;
  }

  JS::Rooted<JS::Value> aliasedVal(aCx);

  if (!JS_GetProperty(aCx, proto, "entries", &aliasedVal)) {
    *protoCache = nullptr;
    if (interfaceCache) {
      *interfaceCache = nullptr;
    }
    return;
  }
  JS::Rooted<jsid> iteratorId(aCx, SYMBOL_TO_JSID(JS::GetWellKnownSymbol(aCx, JS::SymbolCode::iterator)));
  if (!JS_DefinePropertyById(aCx, proto, iteratorId, aliasedVal, 0)) {
    *protoCache = nullptr;
    if (interfaceCache) {
      *interfaceCache = nullptr;
    }
    return;
  }
}

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

} // namespace FormData_Binding



namespace FormDataIterator_Binding {

MOZ_CAN_RUN_SCRIPT static bool
next(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::IterableIterator<mozilla::dom::FormData>* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("FormDataIterator.next", DOM, cx);

  FastErrorResult rv;
  JS::Rooted<JSObject*> result(cx);
  self->Next(cx, &result, rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  JS::ExposeObjectToActiveJS(result);
  args.rval().setObject(*result);
  if (!MaybeWrapObjectValue(cx, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo next_methodinfo = {
  { (JSJitGetterOp)next },
  { prototypes::id::FormDataIterator },
  { PrototypeTraits<prototypes::id::FormDataIterator>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* 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 < 1, "There is no slot for us");

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

// 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 JSFunctionSpec sMethods_specs[] = {
  JS_FNSPEC("next", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&next_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> sMethods[] = {
  { nullptr, &sMethods_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[1];
static PropertyInfo sNativeProperties_propertyInfos[1];

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

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "FormData IteratorPrototype",
    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::FormDataIterator,
  PrototypeTraits<prototypes::id::FormDataIterator>::Depth,
  sNativePropertyHooks,
  "[object FormData IteratorPrototype]",
  JS::GetRealmIteratorPrototype
};

static const js::ClassOps sClassOps = {
  nullptr, /* 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 */
  nullptr /* objectMovedOp */
};

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

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

bool
Wrap(JSContext* aCx, mozilla::dom::IterableIterator<mozilla::dom::FormData>* aObject, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  MOZ_ASSERT(static_cast<mozilla::dom::IterableIterator<mozilla::dom::FormData>*>(aObject) ==
             reinterpret_cast<mozilla::dom::IterableIterator<mozilla::dom::FormData>*>(aObject),
             "Multiple inheritance for mozilla::dom::IterableIterator<mozilla::dom::FormData> is broken.");
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));

  JS::Rooted<JSObject*> global(aCx, JS::CurrentGlobalOrNull(aCx));
  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::IterableIterator<mozilla::dom::FormData>> creator(aCx);
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
  if (!aReflector) {
    return false;
  }



  creator.InitializationSucceeded();
  return true;
}

const NativePropertyHooks sNativePropertyHooks[] = { {
  nullptr,
  nullptr,
  nullptr,
  { sNativeProperties.Upcast(), nullptr },
  prototypes::id::FormDataIterator,
  constructors::id::_ID_Count,
  nullptr,
  &DefaultXrayExpandoObjectClass
} };

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

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

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::FormDataIterator);
  JS::Heap<JSObject*>* interfaceCache = nullptr;
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              "FormData Iterator",
                              nullptr, nullptr, 0, nullptr,
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              nullptr,
                              nullptr, aDefineOnGlobal,
                              nullptr,
                              false);
}

} // namespace FormDataIterator_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53