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

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

#include "DocumentFragmentBinding.h"
#include "NodeBinding.h"
#include "WrapperFactory.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/CustomElementRegistry.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/DocGroup.h"
#include "mozilla/dom/DocumentFragment.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/UnionConversions.h"
#include "mozilla/dom/UnionTypes.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsContentList.h"
#include "nsContentUtils.h"
#include "nsINodeList.h"
#include "nsISupports.h"
#include "xpcjsid.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 DocumentFragment_Binding {

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

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

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DocumentFragment.getElementById");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  auto result(StrongOrRawPtr<mozilla::dom::Element>(self->GetElementById(NonNullHelper(Constify(arg0)))));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo getElementById_methodinfo = {
  { (JSJitGetterOp)getElementById },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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
querySelector(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DocumentFragment* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DocumentFragment.querySelector", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DocumentFragment.querySelector");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::Element>(self->QuerySelector(NonNullHelper(Constify(arg0)), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo querySelector_methodinfo = {
  { (JSJitGetterOp)querySelector },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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
querySelectorAll(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DocumentFragment* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DocumentFragment.querySelectorAll", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DocumentFragment.querySelectorAll");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<nsINodeList>(self->QuerySelectorAll(NonNullHelper(Constify(arg0)), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo querySelectorAll_methodinfo = {
  { (JSJitGetterOp)querySelectorAll },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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
get_children(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DocumentFragment* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DocumentFragment.children", DOM, cx);

  auto result(StrongOrRawPtr<nsIHTMLCollection>(self->Children()));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo children_getterinfo = {
  { (JSJitGetterOp)get_children },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasNone, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* 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. */
  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_firstElementChild(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DocumentFragment* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DocumentFragment.firstElementChild", DOM, cx);

  auto result(StrongOrRawPtr<mozilla::dom::Element>(self->GetFirstElementChild()));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo firstElementChild_getterinfo = {
  { (JSJitGetterOp)get_firstElementChild },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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. */
  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_lastElementChild(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DocumentFragment* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DocumentFragment.lastElementChild", DOM, cx);

  auto result(StrongOrRawPtr<mozilla::dom::Element>(self->GetLastElementChild()));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo lastElementChild_getterinfo = {
  { (JSJitGetterOp)get_lastElementChild },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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. */
  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_childElementCount(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DocumentFragment* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get DocumentFragment.childElementCount", DOM, cx);

  uint32_t result(self->ChildElementCount());
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setNumber(result);
  return true;
}

static const JSJitInfo childElementCount_getterinfo = {
  { (JSJitGetterOp)get_childElementCount },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasDOMSets, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_DOUBLE,  /* returnType.  Not relevant for setters. */
  true,  /* isInfallible. False in setters. */
  true,  /* isMovable.  Not relevant for setters. */
  true, /* 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
getElementsByAttribute(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DocumentFragment* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DocumentFragment.getElementsByAttribute", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 2)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DocumentFragment.getElementsByAttribute");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
    return false;
  }
  binding_detail::FakeString arg1;
  if (!ConvertJSValueToString(cx, args[1], eEmpty, eStringify, arg1)) {
    return false;
  }
  auto result(StrongOrRawPtr<nsIHTMLCollection>(self->GetElementsByAttribute(NonNullHelper(Constify(arg0)), NonNullHelper(Constify(arg1)))));
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo getElementsByAttribute_methodinfo = {
  { (JSJitGetterOp)getElementsByAttribute },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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
getElementsByAttributeNS(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DocumentFragment* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DocumentFragment.getElementsByAttributeNS", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 3)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "DocumentFragment.getElementsByAttributeNS");
  }
  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args[0], eNull, eNull, arg0)) {
    return false;
  }
  binding_detail::FakeString arg1;
  if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) {
    return false;
  }
  binding_detail::FakeString arg2;
  if (!ConvertJSValueToString(cx, args[2], eEmpty, eStringify, arg2)) {
    return false;
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<nsIHTMLCollection>(self->GetElementsByAttributeNS(NonNullHelper(Constify(arg0)), NonNullHelper(Constify(arg1)), NonNullHelper(Constify(arg2)), rv)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo getElementsByAttributeNS_methodinfo = {
  { (JSJitGetterOp)getElementsByAttributeNS },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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
prepend(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DocumentFragment* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DocumentFragment.prepend", DOM, cx);

  AutoSequence<OwningNodeOrString> arg0;
  if (args.length() > 0) {
    if (!arg0.SetCapacity(args.length() - 0, mozilla::fallible)) {
      JS_ReportOutOfMemory(cx);
      return false;
    }
    for (uint32_t variadicArg = 0; variadicArg < args.length(); ++variadicArg) {
      OwningNodeOrString& slot = *arg0.AppendElement(mozilla::fallible);
      {
        bool done = false, failed = false, tryNext;
        if (args[variadicArg].isObject()) {
          done = (failed = !slot.TrySetToNode(cx, args[variadicArg], tryNext, false)) || !tryNext;

        }
        if (!done) {
          do {
            done = (failed = !slot.TrySetToString(cx, args[variadicArg], tryNext)) || !tryNext;
            break;
          } while (false);
        }
        if (failed) {
          return false;
        }
        if (!done) {
          ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 1 of DocumentFragment.prepend", "Node");
          return false;
        }
      }
    }
  }
  Maybe<AutoCEReaction> ceReaction;
  if (CustomElementRegistry::IsCustomElementEnabled(cx, obj)) {
    DocGroup* docGroup = self->GetDocGroup();
    if (docGroup) {
      ceReaction.emplace(docGroup->CustomElementReactionsStack(), cx);
    }
  }
  FastErrorResult rv;
  self->Prepend(Constify(arg0), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo prepend_methodinfo = {
  { (JSJitGetterOp)prepend },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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
append(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::DocumentFragment* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("DocumentFragment.append", DOM, cx);

  AutoSequence<OwningNodeOrString> arg0;
  if (args.length() > 0) {
    if (!arg0.SetCapacity(args.length() - 0, mozilla::fallible)) {
      JS_ReportOutOfMemory(cx);
      return false;
    }
    for (uint32_t variadicArg = 0; variadicArg < args.length(); ++variadicArg) {
      OwningNodeOrString& slot = *arg0.AppendElement(mozilla::fallible);
      {
        bool done = false, failed = false, tryNext;
        if (args[variadicArg].isObject()) {
          done = (failed = !slot.TrySetToNode(cx, args[variadicArg], tryNext, false)) || !tryNext;

        }
        if (!done) {
          do {
            done = (failed = !slot.TrySetToString(cx, args[variadicArg], tryNext)) || !tryNext;
            break;
          } while (false);
        }
        if (failed) {
          return false;
        }
        if (!done) {
          ThrowErrorMessage(cx, MSG_NOT_IN_UNION, "Argument 1 of DocumentFragment.append", "Node");
          return false;
        }
      }
    }
  }
  Maybe<AutoCEReaction> ceReaction;
  if (CustomElementRegistry::IsCustomElementEnabled(cx, obj)) {
    DocGroup* docGroup = self->GetDocGroup();
    if (docGroup) {
      ceReaction.emplace(docGroup->CustomElementReactionsStack(), cx);
    }
  }
  FastErrorResult rv;
  self->Append(Constify(arg0), rv);
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo append_methodinfo = {
  { (JSJitGetterOp)append },
  { prototypes::id::DocumentFragment },
  { PrototypeTraits<prototypes::id::DocumentFragment>::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::DocumentFragment* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DocumentFragment>(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::DocumentFragment* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DocumentFragment>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::DocumentFragment>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::DocumentFragment* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::DocumentFragment>(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("getElementById", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getElementById_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("querySelector", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&querySelector_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("querySelectorAll", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&querySelectorAll_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FS_END,
  JS_FNSPEC("getElementsByAttribute", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getElementsByAttribute_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getElementsByAttributeNS", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getElementsByAttributeNS_methodinfo), 3, JSPROP_ENUMERATE, nullptr),
  JS_FS_END,
  JS_FNSPEC("prepend", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&prepend_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("append", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&append_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif

// Can't be const because the pref-enabled boolean needs to be writable
static PrefableDisablers sMethods_disablers4 = {
  true, false, 0, &IsChromeOrXBL
};

static const Prefable<const JSFunctionSpec> sMethods[] = {
  { nullptr, &sMethods_specs[0] },
  { &sMethods_disablers4, &sMethods_specs[4] },
  { nullptr, &sMethods_specs[7] },
  { nullptr, nullptr }
};

static_assert(3 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(3 <= 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 JSFunctionSpec sChromeMethods_specs[] = {
  JS_FNSPEC("QueryInterface", QueryInterface, nullptr, 1, 0, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> sChromeMethods[] = {
  { nullptr, &sChromeMethods_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)");

// 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[] = {
  { "children", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &children_getterinfo, nullptr, nullptr },
  { "firstElementChild", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &firstElementChild_getterinfo, nullptr, nullptr },
  { "lastElementChild", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &lastElementChild_getterinfo, nullptr, nullptr },
  { "childElementCount", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &childElementCount_getterinfo, nullptr, nullptr },
  { 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(4 <= 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[11];
static PropertyInfo sNativeProperties_propertyInfos[11];

static const NativePropertiesN<2> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  11,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[7] }
  }
};
static_assert(11 < 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,
  true,  0 /* sChromeMethods */,
  false, 0,
  false, 0,
  false, 0,
  false, 0,
  -1,
  1,
  sChromeOnlyNativeProperties_sortedPropertyIndices,
  {
    { sChromeMethods, &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("DocumentFragment 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, "DocumentFragment");
  }

  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);
  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::DocumentFragment>(mozilla::dom::DocumentFragment::Constructor(global, 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::DocumentFragment,
  PrototypeTraits<prototypes::id::DocumentFragment>::Depth,
  sNativePropertyHooks,
  "function DocumentFragment() {\n    [native code]\n}",
  Node_Binding::GetConstructorObject
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "DocumentFragmentPrototype",
    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::DocumentFragment,
  PrototypeTraits<prototypes::id::DocumentFragment>::Depth,
  sNativePropertyHooks,
  "[object DocumentFragmentPrototype]",
  Node_Binding::GetProtoObject
};

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 = {
  { "DocumentFragment",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::EventTarget, prototypes::id::Node, prototypes::id::DocumentFragment, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  IsBaseOf<nsISupports, mozilla::dom::DocumentFragment >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::DocumentFragment>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::DocumentFragment>::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::DocumentFragment* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::DocumentFragment>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::DocumentFragment*>(aObject) ==
             reinterpret_cast<mozilla::dom::DocumentFragment*>(aObject),
             "Multiple inheritance for mozilla::dom::DocumentFragment is broken.");
  MOZ_ASSERT(static_cast<nsINode*>(aObject) ==
             reinterpret_cast<nsINode*>(aObject),
             "Multiple inheritance for nsINode 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::DocumentFragment> 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(), sChromeOnlyNativeProperties.Upcast() },
  prototypes::id::DocumentFragment,
  constructors::id::DocumentFragment,
  Node_Binding::sNativePropertyHooks,
  &DefaultXrayExpandoObjectClass
} };

static const char* const unscopableNames[] = {
  "prepend",
  "append",
  nullptr
};

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

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

JSObject*
GetProtoObject(JSContext* aCx)
{
  return GetProtoObjectHandle(aCx);
}

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

} // namespace DocumentFragment_Binding



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53