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

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

#include "MIDIOutputMapBinding.h"
#include "WrapperFactory.h"
#include "XrayWrapper.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/MIDIOutput.h"
#include "mozilla/dom/MIDIOutputMap.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ToJSValue.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;


namespace MIDIOutputMap_Binding {

namespace MaplikeHelpers {
void
Clear(mozilla::dom::MIDIOutputMap* self, ErrorResult& aRv)
{
  MOZ_ASSERT(self);
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext* cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here because
  // all we want is to wrap into _some_ scope and then unwrap to find
  // the reflector, and wrapping has no side-effects.
  JSAutoRealm tempRealm(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> v(cx);
  if(!ToJSValue(cx, self, &v)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  // This is a reflector, but due to trying to name things
  // similarly across method generators, it's called obj here.
  JS::Rooted<JSObject*> obj(cx);
  obj = js::UncheckedUnwrap(&v.toObject(), /* stopAtWindowProxy = */ false);
  JSAutoRealm reflectorRealm(cx, obj);

  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  if (!JS::MapClear(cx, backingObj)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  return;
}
bool
Delete(mozilla::dom::MIDIOutputMap* self, const nsAString& aKey, ErrorResult& aRv)
{
  MOZ_ASSERT(self);
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext* cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here because
  // all we want is to wrap into _some_ scope and then unwrap to find
  // the reflector, and wrapping has no side-effects.
  JSAutoRealm tempRealm(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> v(cx);
  if(!ToJSValue(cx, self, &v)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return false;
  }
  // This is a reflector, but due to trying to name things
  // similarly across method generators, it's called obj here.
  JS::Rooted<JSObject*> obj(cx);
  obj = js::UncheckedUnwrap(&v.toObject(), /* stopAtWindowProxy = */ false);
  JSAutoRealm reflectorRealm(cx, obj);
  bool aRetVal;
  JS::AutoValueVector argv(cx);
  if (!argv.resize(1)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return false;
  }
  do {
    nsString mutableStr(aKey);
    if (!xpc::NonVoidStringToJsval(cx, mutableStr, argv[0])) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return false;
    }
    break;
  } while (false);

  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return false;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  if (!JS::MapDelete(cx, backingObj, argv[0], &aRetVal)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return false;
  }
  return aRetVal;
}
bool
Has(mozilla::dom::MIDIOutputMap* self, const nsAString& aKey, ErrorResult& aRv)
{
  MOZ_ASSERT(self);
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext* cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here because
  // all we want is to wrap into _some_ scope and then unwrap to find
  // the reflector, and wrapping has no side-effects.
  JSAutoRealm tempRealm(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> v(cx);
  if(!ToJSValue(cx, self, &v)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return false;
  }
  // This is a reflector, but due to trying to name things
  // similarly across method generators, it's called obj here.
  JS::Rooted<JSObject*> obj(cx);
  obj = js::UncheckedUnwrap(&v.toObject(), /* stopAtWindowProxy = */ false);
  JSAutoRealm reflectorRealm(cx, obj);
  bool aRetVal;
  JS::AutoValueVector argv(cx);
  if (!argv.resize(1)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return false;
  }
  do {
    nsString mutableStr(aKey);
    if (!xpc::NonVoidStringToJsval(cx, mutableStr, argv[0])) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return false;
    }
    break;
  } while (false);

  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return false;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  if (!JS::MapHas(cx, backingObj, argv[0], &aRetVal)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return false;
  }
  return aRetVal;
}
void
Set(mozilla::dom::MIDIOutputMap* self, const nsAString& aKey, MIDIOutput& aValue, ErrorResult& aRv)
{
  MOZ_ASSERT(self);
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext* cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here because
  // all we want is to wrap into _some_ scope and then unwrap to find
  // the reflector, and wrapping has no side-effects.
  JSAutoRealm tempRealm(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> v(cx);
  if(!ToJSValue(cx, self, &v)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  // This is a reflector, but due to trying to name things
  // similarly across method generators, it's called obj here.
  JS::Rooted<JSObject*> obj(cx);
  obj = js::UncheckedUnwrap(&v.toObject(), /* stopAtWindowProxy = */ false);
  JSAutoRealm reflectorRealm(cx, obj);
  JS::AutoValueVector argv(cx);
  if (!argv.resize(2)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return;
  }
  do {
    if (!GetOrCreateDOMReflector(cx, aValue, argv[1])) {
      MOZ_ASSERT(JS_IsExceptionPending(cx));
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    break;
  } while (false);

  do {
    nsString mutableStr(aKey);
    if (!xpc::NonVoidStringToJsval(cx, mutableStr, argv[0])) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    break;
  } while (false);

  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  if (!JS::MapSet(cx, backingObj, argv[0], argv[1])) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  return;
}
} // namespace MaplikeHelpers

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

  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    return false;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  uint32_t result = JS::MapSize(cx, backingObj);
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setNumber(result);
  return true;
}

static const JSJitInfo size_getterinfo = {
  { (JSJitGetterOp)get_size },
  { prototypes::id::MIDIOutputMap },
  { PrototypeTraits<prototypes::id::MIDIOutputMap>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_DOUBLE,  /* 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");

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

  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    return false;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  // TODO (Bug 1173651): Xrays currently cannot wrap iterators. Change
  // after bug 1023984 is fixed.
  if (xpc::WrapperFactory::IsXrayWrapper(obj)) {
    JS_ReportErrorASCII(cx, "Xray wrapping of iterators not supported.");
    return false;
  }
  JS::Rooted<JSObject*> result(cx);
  JS::Rooted<JS::Value> v(cx);
  if (!JS::MapEntries(cx, backingObj, &v)) {
    return false;
  }
  result = &v.toObject();
  JS::ExposeObjectToActiveJS(result);
  args.rval().setObject(*result);
  if (!MaybeWrapObjectValue(cx, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo::ArgType entries_methodinfo_argTypes[] = { JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo entries_methodinfo = {
  {
    { (JSJitGetterOp)entries },
    { prototypes::id::MIDIOutputMap },
    { PrototypeTraits<prototypes::id::MIDIOutputMap>::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 < 2, "There is no slot for us");

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

  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    return false;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  // TODO (Bug 1173651): Xrays currently cannot wrap iterators. Change
  // after bug 1023984 is fixed.
  if (xpc::WrapperFactory::IsXrayWrapper(obj)) {
    JS_ReportErrorASCII(cx, "Xray wrapping of iterators not supported.");
    return false;
  }
  JS::Rooted<JSObject*> result(cx);
  JS::Rooted<JS::Value> v(cx);
  if (!JS::MapKeys(cx, backingObj, &v)) {
    return false;
  }
  result = &v.toObject();
  JS::ExposeObjectToActiveJS(result);
  args.rval().setObject(*result);
  if (!MaybeWrapObjectValue(cx, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo::ArgType keys_methodinfo_argTypes[] = { JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo keys_methodinfo = {
  {
    { (JSJitGetterOp)keys },
    { prototypes::id::MIDIOutputMap },
    { PrototypeTraits<prototypes::id::MIDIOutputMap>::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 < 2, "There is no slot for us");

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

  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    return false;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  // TODO (Bug 1173651): Xrays currently cannot wrap iterators. Change
  // after bug 1023984 is fixed.
  if (xpc::WrapperFactory::IsXrayWrapper(obj)) {
    JS_ReportErrorASCII(cx, "Xray wrapping of iterators not supported.");
    return false;
  }
  JS::Rooted<JSObject*> result(cx);
  JS::Rooted<JS::Value> v(cx);
  if (!JS::MapValues(cx, backingObj, &v)) {
    return false;
  }
  result = &v.toObject();
  JS::ExposeObjectToActiveJS(result);
  args.rval().setObject(*result);
  if (!MaybeWrapObjectValue(cx, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo::ArgType values_methodinfo_argTypes[] = { JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo values_methodinfo = {
  {
    { (JSJitGetterOp)values },
    { prototypes::id::MIDIOutputMap },
    { PrototypeTraits<prototypes::id::MIDIOutputMap>::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 < 2, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
forEach(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MIDIOutputMap* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("MIDIOutputMap.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 MIDIOutputMap.forEach");
    return false;
  }
  JS::Rooted<JS::Value> arg1(cx);
  if (args.hasDefined(1)) {
    arg1 = args.get(1);
  } else {
    arg1 = JS::UndefinedValue();
  }
  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    return false;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  // Create a wrapper function.
  JSFunction* func = js::NewFunctionWithReserved(cx, ForEachHandler, 3, 0, nullptr);
  if (!func) {
    return false;
  }
  JS::Rooted<JSObject*> funcObj(cx, JS_GetFunctionObject(func));
  JS::Rooted<JS::Value> funcVal(cx, JS::ObjectValue(*funcObj));
  js::SetFunctionNativeReserved(funcObj, FOREACH_CALLBACK_SLOT,
                                JS::ObjectValue(*arg0));
  js::SetFunctionNativeReserved(funcObj, FOREACH_MAPLIKEORSETLIKEOBJ_SLOT,
                                JS::ObjectValue(*obj));
  if (!JS::MapForEach(cx, backingObj, funcVal, arg1)) {
    return false;
  }
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo forEach_methodinfo = {
  { (JSJitGetterOp)forEach },
  { prototypes::id::MIDIOutputMap },
  { PrototypeTraits<prototypes::id::MIDIOutputMap>::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 < 2, "There is no slot for us");

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

  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args.get(0), eStringify, eStringify, arg0)) {
    return false;
  }
  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    return false;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  JS::Rooted<JS::Value> arg0Val(cx);
  if (!ToJSValue(cx, arg0, &arg0Val)) {
    return false;
  }
  bool result;
  if (!JS::MapHas(cx, backingObj, arg0Val, &result)) {
    return false;
  }
  args.rval().setBoolean(result);
  return true;
}

static const JSJitInfo::ArgType has_methodinfo_argTypes[] = { JSJitInfo::String, JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo has_methodinfo = {
  {
    { (JSJitGetterOp)has },
    { prototypes::id::MIDIOutputMap },
    { PrototypeTraits<prototypes::id::MIDIOutputMap>::Depth },
    JSJitInfo::Method,
    JSJitInfo::AliasDOMSets, /* 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. */
    true,  /* isTypedMethod.  Only relevant for methods. */
    0   /* Reserved slot index, if we're stored in a slot, else 0. */
  },
  has_methodinfo_argTypes
};
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(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::MIDIOutputMap* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("MIDIOutputMap.get", DOM, cx);

  binding_detail::FakeString arg0;
  if (!ConvertJSValueToString(cx, args.get(0), eStringify, eStringify, arg0)) {
    return false;
  }
  JS::Rooted<JSObject*> backingObj(cx);
  bool created = false;
  if (!GetMaplikeBackingObject(cx, obj, (DOM_INSTANCE_RESERVED_SLOTS + 0), &backingObj, &created)) {
    return false;
  }
  if (created) {
    PreserveWrapper<mozilla::dom::MIDIOutputMap>(self);
  }
  JS::Rooted<JS::Value> arg0Val(cx);
  if (!ToJSValue(cx, arg0, &arg0Val)) {
    return false;
  }
  JS::Rooted<JS::Value> result(cx);
  if (!JS::MapGet(cx, backingObj, arg0Val, &result)) {
    return false;
  }
  JS::ExposeValueToActiveJS(result);
  args.rval().set(result);
  if (!MaybeWrapValue(cx, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo::ArgType get_methodinfo_argTypes[] = { JSJitInfo::String, JSJitInfo::ArgTypeListEnd };
static const JSTypedMethodJitInfo get_methodinfo = {
  {
    { (JSJitGetterOp)get },
    { prototypes::id::MIDIOutputMap },
    { PrototypeTraits<prototypes::id::MIDIOutputMap>::Depth },
    JSJitInfo::Method,
    JSJitInfo::AliasDOMSets, /* 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. */
    true,  /* isTypedMethod.  Only relevant for methods. */
    0   /* Reserved slot index, if we're stored in a slot, else 0. */
  },
  get_methodinfo_argTypes
};
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::MIDIOutputMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MIDIOutputMap>(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::MIDIOutputMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MIDIOutputMap>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::MIDIOutputMap>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::MIDIOutputMap* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::MIDIOutputMap>(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("entries", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&entries_methodinfo), 0, 0, nullptr),
  JS_FNSPEC("keys", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&keys_methodinfo), 0, 0, nullptr),
  JS_FNSPEC("values", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&values_methodinfo), 0, 0, nullptr),
  JS_FNSPEC("forEach", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&forEach_methodinfo), 1, 0, nullptr),
  JS_FNSPEC("has", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&has_methodinfo), 1, 0, nullptr),
  JS_FNSPEC("get", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&get_methodinfo), 1, 0, 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(6 <= 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[] = {
  { "size", 0, GenericGetter<NormalThisPolicy, ThrowExceptions>, &size_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(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[7];
static PropertyInfo sNativeProperties_propertyInfos[7];

static const NativePropertiesN<2> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  0,
  7,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[6] }
  }
};
static_assert(7 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

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

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

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

  return sPrefValue &&
         mozilla::dom::IsSecureContextOrObjectIsFromSecureContext(aCx, aObj);
}

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 = {
  { "MIDIOutputMap",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(2),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::MIDIOutputMap, 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::MIDIOutputMap >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::MIDIOutputMap>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::MIDIOutputMap>::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::MIDIOutputMap* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::MIDIOutputMap>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::MIDIOutputMap*>(aObject) ==
             reinterpret_cast<mozilla::dom::MIDIOutputMap*>(aObject),
             "Multiple inheritance for mozilla::dom::MIDIOutputMap 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::MIDIOutputMap> 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(), nullptr },
  prototypes::id::MIDIOutputMap,
  constructors::id::MIDIOutputMap,
  nullptr,
  &sXrayExpandoObjectClass
} };

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



} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53