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LibJS: Describe various kinds of "Duration Records"

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This is an editorial change in the Temporal spec.

See: 983902e

We already had these defined as structs, but now they're properly
defined in the spec (opposed to the previous anonymous records), and we
don't have to make up our own names anymore :^)

Note that while we're usually not including 'record' in the name, in
this case the 'Duration Record' has a name clash with the Duration
object. Additionally, later editorial changes introduce CreateFooRecord
AOs, so let's just go with FooRecord structs here.
This commit is contained in:
Linus Groh 2022-03-09 22:59:17 +01:00
parent 2ac415f728
commit bdb13a74b0
13 changed files with 122 additions and 132 deletions
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6
Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.cpp
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -40,7 +40,7 @@ void PlainTime::visit_edges(Visitor& visitor)
}
// 4.5.1 DifferenceTime ( h1, min1, s1, ms1, mus1, ns1, h2, min2, s2, ms2, mus2, ns2 ), https://tc39.es/proposal-temporal/#sec-temporal-differencetime
BalancedDuration difference_time(u8 hour1, u8 minute1, u8 second1, u16 millisecond1, u16 microsecond1, u16 nanosecond1, u8 hour2, u8 minute2, u8 second2, u16 millisecond2, u16 microsecond2, u16 nanosecond2)
TimeDurationRecord difference_time(u8 hour1, u8 minute1, u8 second1, u16 millisecond1, u16 microsecond1, u16 nanosecond1, u8 hour2, u8 minute2, u8 second2, u16 millisecond2, u16 microsecond2, u16 nanosecond2)
{
// Assert: h1, min1, s1, ms1, mus1, ns1, h2, min2, s2, ms2, mus2, and ns2 are integers.
@ -69,7 +69,7 @@ BalancedDuration difference_time(u8 hour1, u8 minute1, u8 second1, u16 milliseco
auto bt = balance_time(hours * sign, minutes * sign, seconds * sign, milliseconds * sign, microseconds * sign, nanoseconds * sign);
// 10. Return the Record { [[Days]]: bt.[[Days]] × sign, [[Hours]]: bt.[[Hour]] × sign, [[Minutes]]: bt.[[Minute]] × sign, [[Seconds]]: bt.[[Second]] × sign, [[Milliseconds]]: bt.[[Millisecond]] × sign, [[Microseconds]]: bt.[[Microsecond]] × sign, [[Nanoseconds]]: bt.[[Nanosecond]] × sign }.
return BalancedDuration { .days = static_cast<double>(bt.days * sign), .hours = static_cast<double>(bt.hour * sign), .minutes = static_cast<double>(bt.minute * sign), .seconds = static_cast<double>(bt.second * sign), .milliseconds = static_cast<double>(bt.millisecond * sign), .microseconds = static_cast<double>(bt.microsecond * sign), .nanoseconds = static_cast<double>(bt.nanosecond * sign) };
return TimeDurationRecord { .days = static_cast<double>(bt.days * sign), .hours = static_cast<double>(bt.hour * sign), .minutes = static_cast<double>(bt.minute * sign), .seconds = static_cast<double>(bt.second * sign), .milliseconds = static_cast<double>(bt.millisecond * sign), .microseconds = static_cast<double>(bt.microsecond * sign), .nanoseconds = static_cast<double>(bt.nanosecond * sign) };
}
// 4.5.2 ToTemporalTime ( item [ , overflow ] ), https://tc39.es/proposal-temporal/#sec-temporal-totemporaltime