Copy as Markdown
Other Tools
/* THIS FILE IS AUTOGENERATED FROM UnderlyingSink.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "AtomList.h"
#include "MainThreadUtils.h"
#include "UnderlyingSinkBinding.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 "mozilla/OwningNonNull.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/WritableStreamDefaultController.h"
namespace mozilla::dom {
namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;
UnderlyingSink::UnderlyingSink()
{
// Safe to pass a null context if we pass a null value
Init(nullptr, JS::NullHandleValue);
}
bool
UnderlyingSink::InitIds(JSContext* cx, UnderlyingSinkAtoms* atomsCache)
{
MOZ_ASSERT(reinterpret_cast<jsid*>(atomsCache)->isVoid());
// Initialize these in reverse order so that any failure leaves the first one
// uninitialized.
if (!atomsCache->write_id.init(cx, "write") ||
!atomsCache->type_id.init(cx, "type") ||
!atomsCache->start_id.init(cx, "start") ||
!atomsCache->close_id.init(cx, "close") ||
!atomsCache->abort_id.init(cx, "abort")) {
return false;
}
return true;
}
bool
UnderlyingSink::Init(BindingCallContext& cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
// Passing a null JSContext is OK only if we're initing from null,
// Since in that case we will not have to do any property gets
// Also evaluate isNullOrUndefined in order to avoid false-positive
// checkers by static analysis tools
MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
UnderlyingSinkAtoms* atomsCache = nullptr;
if (cx) {
atomsCache = GetAtomCache<UnderlyingSinkAtoms>(cx);
if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
!InitIds(cx, atomsCache)) {
return false;
}
}
if (!IsConvertibleToDictionary(val)) {
return cx.ThrowErrorMessage<MSG_CONVERSION_ERROR>(sourceDescription, "dictionary");
}
bool isNull = val.isNullOrUndefined();
// We only need these if !isNull, in which case we have |cx|.
Maybe<JS::Rooted<JSObject *> > object;
Maybe<JS::Rooted<JS::Value> > temp;
if (!isNull) {
MOZ_ASSERT(cx);
object.emplace(cx, &val.toObject());
temp.emplace(cx);
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->abort_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
mAbort.Construct();
if (temp.ref().isObject()) {
if (JS::IsCallable(&temp.ref().toObject())) {
{ // scope for tempRoot and tempGlobalRoot if needed
JS::Rooted<JSObject*> tempRoot(cx, &temp.ref().toObject());
JS::Rooted<JSObject*> tempGlobalRoot(cx, JS::CurrentGlobalOrNull(cx));
(mAbort.Value()) = new UnderlyingSinkAbortCallback(cx, tempRoot, tempGlobalRoot, GetIncumbentGlobal());
}
} else {
cx.ThrowErrorMessage<MSG_NOT_CALLABLE>("'abort' member of UnderlyingSink");
return false;
}
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("'abort' member of UnderlyingSink");
return false;
}
mIsAnyMemberPresent = true;
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->close_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
mClose.Construct();
if (temp.ref().isObject()) {
if (JS::IsCallable(&temp.ref().toObject())) {
{ // scope for tempRoot and tempGlobalRoot if needed
JS::Rooted<JSObject*> tempRoot(cx, &temp.ref().toObject());
JS::Rooted<JSObject*> tempGlobalRoot(cx, JS::CurrentGlobalOrNull(cx));
(mClose.Value()) = new UnderlyingSinkCloseCallback(cx, tempRoot, tempGlobalRoot, GetIncumbentGlobal());
}
} else {
cx.ThrowErrorMessage<MSG_NOT_CALLABLE>("'close' member of UnderlyingSink");
return false;
}
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("'close' member of UnderlyingSink");
return false;
}
mIsAnyMemberPresent = true;
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->start_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
mStart.Construct();
if (temp.ref().isObject()) {
if (JS::IsCallable(&temp.ref().toObject())) {
{ // scope for tempRoot and tempGlobalRoot if needed
JS::Rooted<JSObject*> tempRoot(cx, &temp.ref().toObject());
JS::Rooted<JSObject*> tempGlobalRoot(cx, JS::CurrentGlobalOrNull(cx));
(mStart.Value()) = new UnderlyingSinkStartCallback(cx, tempRoot, tempGlobalRoot, GetIncumbentGlobal());
}
} else {
cx.ThrowErrorMessage<MSG_NOT_CALLABLE>("'start' member of UnderlyingSink");
return false;
}
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("'start' member of UnderlyingSink");
return false;
}
mIsAnyMemberPresent = true;
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->type_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunreachable-code"
#pragma clang diagnostic ignored "-Wunreachable-code-return"
#endif // __clang__
if ((passedToJSImpl) && !CallerSubsumes(temp.ref())) {
cx.ThrowErrorMessage<MSG_PERMISSION_DENIED_TO_PASS_ARG>("'type' member of UnderlyingSink");
return false;
}
#ifdef __clang__
#pragma clang diagnostic pop
#endif // __clang__
mType = temp.ref();
} else {
mType = JS::UndefinedValue();
}
mIsAnyMemberPresent = true;
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->write_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
mWrite.Construct();
if (temp.ref().isObject()) {
if (JS::IsCallable(&temp.ref().toObject())) {
{ // scope for tempRoot and tempGlobalRoot if needed
JS::Rooted<JSObject*> tempRoot(cx, &temp.ref().toObject());
JS::Rooted<JSObject*> tempGlobalRoot(cx, JS::CurrentGlobalOrNull(cx));
(mWrite.Value()) = new UnderlyingSinkWriteCallback(cx, tempRoot, tempGlobalRoot, GetIncumbentGlobal());
}
} else {
cx.ThrowErrorMessage<MSG_NOT_CALLABLE>("'write' member of UnderlyingSink");
return false;
}
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("'write' member of UnderlyingSink");
return false;
}
mIsAnyMemberPresent = true;
}
return true;
}
bool
UnderlyingSink::Init(JSContext* cx_, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
// We don't want to use sourceDescription for our context here;
// that's not really what it's formatted for.
BindingCallContext cx(cx_, nullptr);
return Init(cx, val, sourceDescription, passedToJSImpl);
}
void
UnderlyingSink::TraceDictionary(JSTracer* trc)
{
JS::TraceRoot(trc, &mType, "UnderlyingSink.mType");
}
MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise>
UnderlyingSinkAbortCallback::Call(BindingCallContext& cx, JS::Handle<JS::Value> aThisVal, const Optional<JS::Handle<JS::Value>>& reason, ErrorResult& aRv)
{
JS::Rooted<JS::Value> rval(cx);
JS::RootedVector<JS::Value> argv(cx);
if (!argv.resize(1)) {
// That threw an exception on the JSContext, and our CallSetup will do
// the right thing with that.
return nullptr;
}
unsigned argc = 1;
do {
if (reason.WasPassed()) {
JS::ExposeValueToActiveJS(reason.Value());
argv[0].set(reason.Value());
if (!MaybeWrapValue(cx, argv[0])) {
// Convert exception to a rejected promise.
// step 10 and step 15.5.
return CreateRejectedPromiseFromThrownException(cx, aRv);
}
break;
} else if (argc == 1) {
// This is our current trailing argument; reduce argc
--argc;
} else {
argv[0].setUndefined();
}
} while (false);
JS::Rooted<JS::Value> callable(cx, JS::ObjectValue(*mCallback));
if (!JS::Call(cx, aThisVal, callable,
JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
// Convert exception to a rejected promise.
// step 12 and step 15.5.
return CreateRejectedPromiseFromThrownException(cx, aRv);
}
RefPtr<Promise> rvalDecl;
{ // Scope for our GlobalObject, FastErrorResult, JSAutoRealm,
// etc.
JS::Rooted<JSObject*> globalObj(cx);
// We basically want our entry global here. Play it safe
// and use GetEntryGlobal() to get it, with whatever
// principal-clamping it ends up doing.
globalObj = GetEntryGlobal()->GetGlobalJSObject();
JSAutoRealm ar(cx, globalObj);
GlobalObject promiseGlobal(cx, globalObj);
if (promiseGlobal.Failed()) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
JS::Rooted<JS::Value> valueToResolve(cx, rval);
if (!JS_WrapValue(cx, &valueToResolve)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
binding_detail::FastErrorResult promiseRv;
nsCOMPtr<nsIGlobalObject> global =
do_QueryInterface(promiseGlobal.GetAsSupports());
if (!global) {
promiseRv.Throw(NS_ERROR_UNEXPECTED);
MOZ_ALWAYS_TRUE(promiseRv.MaybeSetPendingException(cx));
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
rvalDecl = Promise::Resolve(global, cx, valueToResolve,
promiseRv);
if (promiseRv.MaybeSetPendingException(cx)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
}
return rvalDecl.forget();
}
MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise>
UnderlyingSinkCloseCallback::Call(BindingCallContext& cx, JS::Handle<JS::Value> aThisVal, ErrorResult& aRv)
{
JS::Rooted<JS::Value> rval(cx);
JS::Rooted<JS::Value> callable(cx, JS::ObjectValue(*mCallback));
if (!JS::Call(cx, aThisVal, callable,
JS::HandleValueArray::empty(), &rval)) {
// Convert exception to a rejected promise.
// step 12 and step 15.5.
return CreateRejectedPromiseFromThrownException(cx, aRv);
}
RefPtr<Promise> rvalDecl;
{ // Scope for our GlobalObject, FastErrorResult, JSAutoRealm,
// etc.
JS::Rooted<JSObject*> globalObj(cx);
// We basically want our entry global here. Play it safe
// and use GetEntryGlobal() to get it, with whatever
// principal-clamping it ends up doing.
globalObj = GetEntryGlobal()->GetGlobalJSObject();
JSAutoRealm ar(cx, globalObj);
GlobalObject promiseGlobal(cx, globalObj);
if (promiseGlobal.Failed()) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
JS::Rooted<JS::Value> valueToResolve(cx, rval);
if (!JS_WrapValue(cx, &valueToResolve)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
binding_detail::FastErrorResult promiseRv;
nsCOMPtr<nsIGlobalObject> global =
do_QueryInterface(promiseGlobal.GetAsSupports());
if (!global) {
promiseRv.Throw(NS_ERROR_UNEXPECTED);
MOZ_ALWAYS_TRUE(promiseRv.MaybeSetPendingException(cx));
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
rvalDecl = Promise::Resolve(global, cx, valueToResolve,
promiseRv);
if (promiseRv.MaybeSetPendingException(cx)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
}
return rvalDecl.forget();
}
MOZ_CAN_RUN_SCRIPT void
UnderlyingSinkStartCallback::Call(BindingCallContext& cx, JS::Handle<JS::Value> aThisVal, WritableStreamDefaultController& controller, JS::MutableHandle<JS::Value> aRetVal, ErrorResult& aRv)
{
JS::Rooted<JS::Value> rval(cx);
JS::RootedVector<JS::Value> argv(cx);
if (!argv.resize(1)) {
// That threw an exception on the JSContext, and our CallSetup will do
// the right thing with that.
return;
}
unsigned argc = 1;
do {
if (!GetOrCreateDOMReflector(cx, controller, argv[0])) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
break;
} while (false);
JS::Rooted<JS::Value> callable(cx, JS::ObjectValue(*mCallback));
if (!JS::Call(cx, aThisVal, callable,
JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
aRv.NoteJSContextException(cx);
return;
}
JS::Rooted<JS::Value> rvalDecl(cx);
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunreachable-code"
#pragma clang diagnostic ignored "-Wunreachable-code-return"
#endif // __clang__
if ((false) && !CallerSubsumes(rval)) {
cx.ThrowErrorMessage<MSG_PERMISSION_DENIED_TO_PASS_ARG>("return value of UnderlyingSinkStartCallback");
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
#ifdef __clang__
#pragma clang diagnostic pop
#endif // __clang__
rvalDecl = rval;
aRetVal.set(rvalDecl);
}
MOZ_CAN_RUN_SCRIPT already_AddRefed<Promise>
UnderlyingSinkWriteCallback::Call(BindingCallContext& cx, JS::Handle<JS::Value> aThisVal, JS::Handle<JS::Value> chunk, WritableStreamDefaultController& controller, ErrorResult& aRv)
{
JS::Rooted<JS::Value> rval(cx);
JS::RootedVector<JS::Value> argv(cx);
if (!argv.resize(2)) {
// That threw an exception on the JSContext, and our CallSetup will do
// the right thing with that.
return nullptr;
}
unsigned argc = 2;
do {
if (!GetOrCreateDOMReflector(cx, controller, argv[1])) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
// Convert exception to a rejected promise.
// step 10 and step 15.5.
return CreateRejectedPromiseFromThrownException(cx, aRv);
}
break;
} while (false);
do {
JS::ExposeValueToActiveJS(chunk);
argv[0].set(chunk);
if (!MaybeWrapValue(cx, argv[0])) {
// Convert exception to a rejected promise.
// step 10 and step 15.5.
return CreateRejectedPromiseFromThrownException(cx, aRv);
}
break;
} while (false);
JS::Rooted<JS::Value> callable(cx, JS::ObjectValue(*mCallback));
if (!JS::Call(cx, aThisVal, callable,
JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
// Convert exception to a rejected promise.
// step 12 and step 15.5.
return CreateRejectedPromiseFromThrownException(cx, aRv);
}
RefPtr<Promise> rvalDecl;
{ // Scope for our GlobalObject, FastErrorResult, JSAutoRealm,
// etc.
JS::Rooted<JSObject*> globalObj(cx);
// We basically want our entry global here. Play it safe
// and use GetEntryGlobal() to get it, with whatever
// principal-clamping it ends up doing.
globalObj = GetEntryGlobal()->GetGlobalJSObject();
JSAutoRealm ar(cx, globalObj);
GlobalObject promiseGlobal(cx, globalObj);
if (promiseGlobal.Failed()) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
JS::Rooted<JS::Value> valueToResolve(cx, rval);
if (!JS_WrapValue(cx, &valueToResolve)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
binding_detail::FastErrorResult promiseRv;
nsCOMPtr<nsIGlobalObject> global =
do_QueryInterface(promiseGlobal.GetAsSupports());
if (!global) {
promiseRv.Throw(NS_ERROR_UNEXPECTED);
MOZ_ALWAYS_TRUE(promiseRv.MaybeSetPendingException(cx));
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
rvalDecl = Promise::Resolve(global, cx, valueToResolve,
promiseRv);
if (promiseRv.MaybeSetPendingException(cx)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
}
return rvalDecl.forget();
}
} // namespace mozilla::dom