42071f69cf
...and change the parameter types from i64 to double, as predicted by a FIXME. The issue here is that integer division with a negative dividend doesn't yield the same result as floating point division wrapped in floor(). Additionally, the `days` variable needs to be signed.
110 lines
5.2 KiB
C++
110 lines
5.2 KiB
C++
/*
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* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Optional.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/Runtime/Temporal/AbstractOperations.h>
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#include <LibJS/Runtime/Temporal/Duration.h>
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#include <LibJS/Runtime/VM.h>
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namespace JS::Temporal {
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class PlainTime final : public Object {
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JS_OBJECT(PlainDateTime, Object);
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public:
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PlainTime(u8 iso_hour, u8 iso_minute, u8 iso_second, u16 iso_millisecond, u16 iso_microsecond, u16 iso_nanosecond, Calendar& calendar, Object& prototype);
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virtual ~PlainTime() override = default;
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[[nodiscard]] u8 iso_hour() const { return m_iso_hour; }
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[[nodiscard]] u8 iso_minute() const { return m_iso_minute; }
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[[nodiscard]] u8 iso_second() const { return m_iso_second; }
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[[nodiscard]] u16 iso_millisecond() const { return m_iso_millisecond; }
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[[nodiscard]] u16 iso_microsecond() const { return m_iso_microsecond; }
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[[nodiscard]] u16 iso_nanosecond() const { return m_iso_nanosecond; }
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[[nodiscard]] Calendar const& calendar() const { return m_calendar; }
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[[nodiscard]] Calendar& calendar() { return m_calendar; }
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private:
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virtual void visit_edges(Visitor&) override;
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// 4.4 Properties of Temporal.PlainTime Instances, https://tc39.es/proposal-temporal/#sec-properties-of-temporal-plaintime-instances
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u8 m_iso_hour { 0 }; // [[ISOHour]]
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u8 m_iso_minute { 0 }; // [[ISOMinute]]
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u8 m_iso_second { 0 }; // [[ISOSecond]]
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u16 m_iso_millisecond { 0 }; // [[ISOMillisecond]]
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u16 m_iso_microsecond { 0 }; // [[ISOMicrosecond]]
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u16 m_iso_nanosecond { 0 }; // [[ISONanosecond]]
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Calendar& m_calendar; // [[Calendar]] (always the built-in ISO 8601 calendar)
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};
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struct DaysAndTime {
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i32 days;
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u8 hour;
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u8 minute;
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u8 second;
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u16 millisecond;
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u16 microsecond;
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u16 nanosecond;
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};
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struct UnregulatedTemporalTime {
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double hour;
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double minute;
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double second;
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double millisecond;
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double microsecond;
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double nanosecond;
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};
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struct PartialUnregulatedTemporalTime {
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Optional<double> hour;
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Optional<double> minute;
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Optional<double> second;
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Optional<double> millisecond;
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Optional<double> microsecond;
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Optional<double> nanosecond;
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};
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// Table 3: Properties of a TemporalTimeLike, https://tc39.es/proposal-temporal/#table-temporal-temporaltimelike-properties
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template<typename StructT, typename ValueT>
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struct TemporalTimeLikeProperty {
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ValueT StructT::*internal_slot { nullptr };
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PropertyKey property;
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};
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template<typename StructT, typename ValueT>
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auto temporal_time_like_properties = [](VM& vm) {
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using PropertyT = TemporalTimeLikeProperty<StructT, ValueT>;
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return AK::Array {
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PropertyT { &StructT::hour, vm.names.hour },
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PropertyT { &StructT::microsecond, vm.names.microsecond },
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PropertyT { &StructT::millisecond, vm.names.millisecond },
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PropertyT { &StructT::minute, vm.names.minute },
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PropertyT { &StructT::nanosecond, vm.names.nanosecond },
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PropertyT { &StructT::second, vm.names.second },
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};
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};
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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);
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ThrowCompletionOr<PlainTime*> to_temporal_time(GlobalObject&, Value item, Optional<StringView> overflow = {});
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ThrowCompletionOr<PartialUnregulatedTemporalTime> to_partial_time(GlobalObject&, Object& temporal_time_like);
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ThrowCompletionOr<TemporalTime> regulate_time(GlobalObject&, double hour, double minute, double second, double millisecond, double microsecond, double nanosecond, StringView overflow);
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bool is_valid_time(double hour, double minute, double second, double millisecond, double microsecond, double nanosecond);
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DaysAndTime balance_time(double hour, double minute, double second, double millisecond, double microsecond, double nanosecond);
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TemporalTime constrain_time(double hour, double minute, double second, double millisecond, double microsecond, double nanosecond);
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ThrowCompletionOr<PlainTime*> create_temporal_time(GlobalObject&, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, FunctionObject const* new_target = nullptr);
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ThrowCompletionOr<UnregulatedTemporalTime> to_temporal_time_record(GlobalObject&, Object const& temporal_time_like);
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String temporal_time_to_string(u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, Variant<StringView, u8> const& precision);
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i8 compare_temporal_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);
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DaysAndTime add_time(u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds);
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DaysAndTime round_time(u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, u64 increment, StringView unit, StringView rounding_mode, Optional<double> day_length_ns = {});
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}
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