Copy as Markdown
Other Tools
/* THIS FILE IS AUTOGENERATED FROM TextEncoder.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "AtomList.h"
#include "MainThreadUtils.h"
#include "TextEncoderBinding.h"
#include "WrapperFactory.h"
#include "js/CallAndConstruct.h"
#include "js/Exception.h"
#include "js/MapAndSet.h"
#include "js/Object.h"
#include "js/PropertyAndElement.h"
#include "js/PropertyDescriptor.h"
#include "js/experimental/JitInfo.h"
#include "jsfriendapi.h"
#include "mozilla/Atomics.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/TextEncoder.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/dom/XrayExpandoClass.h"
namespace mozilla::dom {
namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;
TextEncoderEncodeIntoResult::TextEncoderEncodeIntoResult()
{
// Safe to pass a null context if we pass a null value
Init();
}
bool
TextEncoderEncodeIntoResult::InitIds(JSContext* cx, TextEncoderEncodeIntoResultAtoms* atomsCache)
{
MOZ_ASSERT(reinterpret_cast<jsid*>(atomsCache)->isVoid());
// Initialize these in reverse order so that any failure leaves the first one
// uninitialized.
if (!atomsCache->written_id.init(cx, "written") ||
!atomsCache->read_id.init(cx, "read")) {
return false;
}
return true;
}
bool
TextEncoderEncodeIntoResult::Init(const char* sourceDescription, bool passedToJSImpl)
{
return true;
}
bool
TextEncoderEncodeIntoResult::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
TextEncoderEncodeIntoResultAtoms* atomsCache = GetAtomCache<TextEncoderEncodeIntoResultAtoms>(cx);
if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
!InitIds(cx, atomsCache)) {
return false;
}
JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
if (!obj) {
return false;
}
rval.set(JS::ObjectValue(*obj));
if (mRead.WasPassed()) {
do {
// block for our 'break' successCode and scope for 'temp' and 'currentValue'
JS::Rooted<JS::Value> temp(cx);
uint64_t const & currentValue = mRead.InternalValue();
temp.set(JS_NumberValue(double(currentValue)));
if (!JS_DefinePropertyById(cx, obj, atomsCache->read_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
} while(false);
}
if (mWritten.WasPassed()) {
do {
// block for our 'break' successCode and scope for 'temp' and 'currentValue'
JS::Rooted<JS::Value> temp(cx);
uint64_t const & currentValue = mWritten.InternalValue();
temp.set(JS_NumberValue(double(currentValue)));
if (!JS_DefinePropertyById(cx, obj, atomsCache->written_id, temp, JSPROP_ENUMERATE)) {
return false;
}
break;
} while(false);
}
return true;
}
void
TextEncoderEncodeIntoResult::TraceDictionary(JSTracer* trc)
{
}
TextEncoderEncodeIntoResult&
TextEncoderEncodeIntoResult::operator=(const TextEncoderEncodeIntoResult& aOther)
{
DictionaryBase::operator=(aOther);
mRead.Reset();
if (aOther.mRead.WasPassed()) {
mRead.Construct(aOther.mRead.Value());
}
mWritten.Reset();
if (aOther.mWritten.WasPassed()) {
mWritten.Construct(aOther.mWritten.Value());
}
return *this;
}
bool
TextEncoderEncodeIntoResult::operator==(const TextEncoderEncodeIntoResult& aOther) const
{
if (mRead != aOther.mRead) {
return false;
}
if (mWritten != aOther.mWritten) {
return false;
}
return true;
}
namespace TextEncoder_Binding {
MOZ_CAN_RUN_SCRIPT static bool
encode(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"TextEncoder", "encode", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::TextEncoder*>(void_self);
JS::Rooted<JSObject*> unwrappedObj(cx, js::CheckedUnwrapStatic(obj));
// Caller should have ensured that "obj" can be unwrapped already.
MOZ_DIAGNOSTIC_ASSERT(unwrappedObj);
binding_detail::FakeString<char> arg0;
if (args.hasDefined(0)) {
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
} else {
arg0.AssignLiteral("");
}
FastErrorResult rv;
JS::Rooted<JSObject*> result(cx);
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->Encode(cx, unwrappedObj, Constify(arg0), &result, rv))>, "Should be returning void here");
MOZ_KnownLive(self)->Encode(cx, unwrappedObj, Constify(arg0), &result, rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "TextEncoder.encode"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
JS::ExposeObjectToActiveJS(result);
args.rval().setObject(*result);
if (!MaybeWrapNonDOMObjectValue(cx, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo encode_methodinfo = {
{ (JSJitGetterOp)encode },
{ prototypes::id::TextEncoder },
{ PrototypeTraits<prototypes::id::TextEncoder>::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. */
};
MOZ_CAN_RUN_SCRIPT static bool
encodeInto(JSContext* cx_, JS::Handle<JSObject*> obj, void* void_self, const JSJitMethodCallArgs& args)
{
BindingCallContext cx(cx_, "TextEncoder.encodeInto");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"TextEncoder", "encodeInto", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::TextEncoder*>(void_self);
if (!args.requireAtLeast(cx, "TextEncoder.encodeInto", 2)) {
return false;
}
JS::Rooted<JSString*> arg0(cx);
if (!(arg0 = ConvertJSValueToJSString(cx, args[0]))) {
return false;
}
RootedSpiderMonkeyInterface<Uint8Array> arg1(cx);
if (args[1].isObject()) {
if (!arg1.Init(&args[1].toObject())) {
cx.ThrowErrorMessage<MSG_DOES_NOT_IMPLEMENT_INTERFACE>("Argument 2", "Uint8Array");
return false;
}
if (JS::IsArrayBufferViewShared(arg1.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_SHARED>("Argument 2");
return false;
}
if (JS::IsLargeArrayBufferView(arg1.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_LARGE>("Argument 2");
return false;
}
if (JS::IsResizableArrayBufferView(arg1.Obj())) {
cx.ThrowErrorMessage<MSG_TYPEDARRAY_IS_RESIZABLE>("Argument 2");
return false;
}
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 2");
return false;
}
FastErrorResult rv;
TextEncoderEncodeIntoResult result;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->EncodeInto(cx, Constify(arg0), Constify(arg1), result, OOMReporter::From(rv)))>, "Should be returning void here");
MOZ_KnownLive(self)->EncodeInto(cx, Constify(arg0), Constify(arg1), result, OOMReporter::From(rv));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "TextEncoder.encodeInto"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!result.ToObjectInternal(cx, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo encodeInto_methodinfo = {
{ (JSJitGetterOp)encodeInto },
{ prototypes::id::TextEncoder },
{ PrototypeTraits<prototypes::id::TextEncoder>::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. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_encoding(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"TextEncoder", "encoding", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::TextEncoder*>(void_self);
nsAutoCString result;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->GetEncoding(result))>, "Should be returning void here");
MOZ_KnownLive(self)->GetEncoding(result);
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!NonVoidByteStringToJsval(cx, result, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo encoding_getterinfo = {
{ get_encoding },
{ prototypes::id::TextEncoder },
{ PrototypeTraits<prototypes::id::TextEncoder>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasNone, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_STRING, /* 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 void
_finalize(JS::GCContext* gcx, JSObject* obj)
{
mozilla::dom::TextEncoder* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::TextEncoder>(obj);
if (self) {
JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(obj, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::dom::TextEncoder>(self);
}
}
static const JSFunctionSpec sMethods_specs[] = {
JS_FNSPEC("encode", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&encode_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("encodeInto", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&encodeInto_methodinfo), 2, JSPROP_ENUMERATE, nullptr),
JS_FS_END
};
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(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static const JSPropertySpec sAttributes_specs[] = {
JSPropertySpec::nativeAccessors("encoding", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &encoding_getterinfo, nullptr, nullptr),
JS_PS_END
};
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[3];
static PropertyInfo sNativeProperties_propertyInfos[3];
static const NativePropertiesN<2> sNativeProperties = {
false, 0,
false, 0,
true, 0 /* sMethods */,
true, 1 /* sAttributes */,
false, 0,
false, 0,
false, 0,
-1,
3,
sNativeProperties_sortedPropertyIndices,
{
{ sMethods, &sNativeProperties_propertyInfos[0] },
{ sAttributes, &sNativeProperties_propertyInfos[2] }
}
};
static_assert(3 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
"We have a property info count that is oversized");
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
nullptr,
{ sNativeProperties.Upcast(), nullptr, &sNativePropertiesInited },
prototypes::id::TextEncoder,
constructors::id::TextEncoder,
&DefaultXrayExpandoObjectClass
};
static bool
_constructor(JSContext* cx, unsigned argc, JS::Value* vp)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"TextEncoder", "constructor", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
JS::Rooted<JSObject*> obj(cx, &args.callee());
if (!args.isConstructing()) {
return ThrowConstructorWithoutNew(cx, "TextEncoder");
}
JS::Rooted<JSObject*> desiredProto(cx);
if (!GetDesiredProto(cx, args,
prototypes::id::TextEncoder,
CreateInterfaceObjects,
&desiredProto)) {
return false;
}
GlobalObject global(cx, obj);
if (global.Failed()) {
return false;
}
bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
Maybe<JSAutoRealm> ar;
if (objIsXray) {
// Since our object is an Xray, we can just CheckedUnwrapStatic:
// we know Xrays have no dynamic unwrap behavior.
obj = js::CheckedUnwrapStatic(obj);
if (!obj) {
return false;
}
ar.emplace(cx, obj);
if (!JS_WrapObject(cx, &desiredProto)) {
return false;
}
}
auto result(StrongOrRawPtr<mozilla::dom::TextEncoder>(mozilla::dom::TextEncoder::Constructor(global)));
MOZ_ASSERT(!JS_IsExceptionPending(cx));
static_assert(!std::is_pointer_v<decltype(result)>,
"NewObject implies that we need to keep the object alive with a strong reference.");
if (!WrapNewBindingNonWrapperCachedObject(cx, obj, result, args.rval(), desiredProto)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ _constructor, &sNativePropertyHooks },
JS::GetRealmFunctionPrototype,
prototypes::id::TextEncoder,
PrototypeTraits<prototypes::id::TextEncoder>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"TextEncoderPrototype",
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,
prototypes::id::TextEncoder,
PrototypeTraits<prototypes::id::TextEncoder>::Depth,
&sNativePropertyHooks,
JS::GetRealmObjectPrototype
};
static const JSClassOps sClassOps = {
nullptr, /* addProperty */
nullptr, /* delProperty */
nullptr, /* enumerate */
nullptr, /* newEnumerate */
nullptr, /* resolve */
nullptr, /* mayResolve */
_finalize, /* finalize */
nullptr, /* call */
nullptr, /* construct */
nullptr, /* trace */
};
static const js::ClassExtension sClassExtension = {
nullptr /* objectMovedOp */
};
static const DOMJSClass sClass = {
{ "TextEncoder",
JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
&sClassOps,
JS_NULL_CLASS_SPEC,
&sClassExtension,
JS_NULL_OBJECT_OPS
},
{ prototypes::id::TextEncoder, 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 },
std::is_base_of_v<nsISupports, mozilla::dom::TextEncoder>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::TextEncoder>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::TextEncoder>::Get(),
nullptr,
nullptr
};
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.");
bool
Wrap(JSContext* aCx, mozilla::dom::TextEncoder* aObject, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::TextEncoder*>);
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::GetCompartment(proto)) {
if (!JS_WrapObject(aCx, &proto)) {
return false;
}
}
} else {
proto = canonicalProto;
}
BindingJSObjectCreator<mozilla::dom::TextEncoder> creator(aCx);
creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
if (!aReflector) {
return false;
}
creator.InitializationSucceeded();
return true;
}
void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::TextEncoder);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::TextEncoder);
JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
if (!parentProto) {
return;
}
JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 0, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
nullptr,
"TextEncoder", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace TextEncoder_Binding
} // namespace mozilla::dom