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LibJS: Convert NativeFunction::{call,construct}() to ThrowCompletionOr

Both at the same time because many of them call construct() in call()
and I'm not keen on adding a bunch of temporary plumbing to turn
exceptions into throw completions.
Also changes the return value of construct() to Object* instead of Value
as it always needs to return an object; allowing an arbitrary Value is a
massive foot gun.
This commit is contained in:
Linus Groh 2021-10-20 21:16:30 +01:00
parent 0881f8160f
commit 5832de62fe
99 changed files with 597 additions and 669 deletions

View file

@ -32,39 +32,36 @@ void ZonedDateTimeConstructor::initialize(GlobalObject& global_object)
}
// 6.1.1 Temporal.ZonedDateTime ( epochNanoseconds, timeZoneLike [ , calendarLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime
Value ZonedDateTimeConstructor::call()
ThrowCompletionOr<Value> ZonedDateTimeConstructor::call()
{
auto& vm = this->vm();
// 1. If NewTarget is undefined, then
// a. Throw a TypeError exception.
vm.throw_exception<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, "Temporal.ZonedDateTime");
return {};
return vm.throw_completion<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, "Temporal.ZonedDateTime");
}
// 6.1.1 Temporal.ZonedDateTime ( epochNanoseconds, timeZoneLike [ , calendarLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime
Value ZonedDateTimeConstructor::construct(FunctionObject& new_target)
ThrowCompletionOr<Object*> ZonedDateTimeConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto& global_object = this->global_object();
// 2. Set epochNanoseconds to ? ToBigInt(epochNanoseconds).
auto* epoch_nanoseconds = TRY_OR_DISCARD(vm.argument(0).to_bigint(global_object));
auto* epoch_nanoseconds = TRY(vm.argument(0).to_bigint(global_object));
// 3. If ! IsValidEpochNanoseconds(epochNanoseconds) is false, throw a RangeError exception.
if (!is_valid_epoch_nanoseconds(*epoch_nanoseconds)) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidEpochNanoseconds);
return {};
}
if (!is_valid_epoch_nanoseconds(*epoch_nanoseconds))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidEpochNanoseconds);
// 4. Let timeZone be ? ToTemporalTimeZone(timeZoneLike).
auto* time_zone = TRY_OR_DISCARD(to_temporal_time_zone(global_object, vm.argument(1)));
auto* time_zone = TRY(to_temporal_time_zone(global_object, vm.argument(1)));
// 5. Let calendar be ? ToTemporalCalendarWithISODefault(calendarLike).
auto* calendar = TRY_OR_DISCARD(to_temporal_calendar_with_iso_default(global_object, vm.argument(2)));
auto* calendar = TRY(to_temporal_calendar_with_iso_default(global_object, vm.argument(2)));
// 6. Return ? CreateTemporalZonedDateTime(epochNanoseconds, timeZone, calendar, NewTarget).
return TRY_OR_DISCARD(create_temporal_zoned_date_time(global_object, *epoch_nanoseconds, *time_zone, *calendar, &new_target));
return TRY(create_temporal_zoned_date_time(global_object, *epoch_nanoseconds, *time_zone, *calendar, &new_target));
}
}