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152 lines
7.9 KiB
C++
152 lines
7.9 KiB
C++
/*
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* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2024, Shannon Booth <shannon@serenityos.org>
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* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.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 <LibCrypto/BigFraction/BigFraction.h>
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#include <LibCrypto/BigInt/SignedBigInteger.h>
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#include <LibJS/Runtime/Completion.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/Value.h>
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namespace JS::Temporal {
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#define JS_ENUMERATE_DURATION_UNITS \
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__JS_ENUMERATE(years) \
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__JS_ENUMERATE(months) \
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__JS_ENUMERATE(weeks) \
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__JS_ENUMERATE(days) \
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__JS_ENUMERATE(hours) \
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__JS_ENUMERATE(minutes) \
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__JS_ENUMERATE(seconds) \
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__JS_ENUMERATE(milliseconds) \
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__JS_ENUMERATE(microseconds) \
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__JS_ENUMERATE(nanoseconds)
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class Duration final : public Object {
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JS_OBJECT(Duration, Object);
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GC_DECLARE_ALLOCATOR(Duration);
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public:
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virtual ~Duration() override = default;
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#define __JS_ENUMERATE(unit) \
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[[nodiscard]] double unit() const { return m_##unit; }
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JS_ENUMERATE_DURATION_UNITS
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#undef __JS_ENUMERATE
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private:
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Duration(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, Object& prototype);
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double m_years { 0 }; // [[Years]]
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double m_months { 0 }; // [[Months]]
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double m_weeks { 0 }; // [[Weeks]]
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double m_days { 0 }; // [[Days]]
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double m_hours { 0 }; // [[Hours]]
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double m_minutes { 0 }; // [[Minutes]]
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double m_seconds { 0 }; // [[Seconds]]
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double m_milliseconds { 0 }; // [[Milliseconds]]
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double m_microseconds { 0 }; // [[Microseconds]]
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double m_nanoseconds { 0 }; // [[Nanoseconds]]
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};
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// 7.5.1 Date Duration Records, https://tc39.es/proposal-temporal/#sec-temporal-date-duration-records
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struct DateDuration {
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double years { 0 };
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double months { 0 };
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double weeks { 0 };
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double days { 0 };
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};
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// 7.5.2 Partial Duration Records, https://tc39.es/proposal-temporal/#sec-temporal-partial-duration-records
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struct PartialDuration {
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static PartialDuration zero()
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{
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return { .years = 0, .months = 0, .weeks = 0, .days = 0, .hours = 0, .minutes = 0, .seconds = 0, .milliseconds = 0, .microseconds = 0, .nanoseconds = 0 };
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}
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bool any_field_defined() const
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{
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return years.has_value() || months.has_value() || weeks.has_value() || days.has_value() || hours.has_value() || minutes.has_value() || seconds.has_value() || milliseconds.has_value() || microseconds.has_value() || nanoseconds.has_value();
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}
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Optional<double> years;
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Optional<double> months;
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Optional<double> weeks;
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Optional<double> days;
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Optional<double> hours;
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Optional<double> minutes;
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Optional<double> seconds;
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Optional<double> milliseconds;
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Optional<double> microseconds;
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Optional<double> nanoseconds;
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};
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// A time duration is an integer in the inclusive interval from -maxTimeDuration to maxTimeDuration, where
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// maxTimeDuration = 2**53 × 10**9 - 1 = 9,007,199,254,740,991,999,999,999. It represents the portion of a
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// Temporal.Duration object that deals with time units, but as a combined value of total nanoseconds.
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using TimeDuration = Crypto::SignedBigInteger;
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extern TimeDuration const MAX_TIME_DURATION;
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// 7.5.3 Internal Duration Records, https://tc39.es/proposal-temporal/#sec-temporal-internal-duration-records
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struct InternalDuration {
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DateDuration date;
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TimeDuration time;
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};
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// 7.5.32 Duration Nudge Result Records, https://tc39.es/proposal-temporal/#sec-temporal-duration-nudge-result-records
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struct DurationNudgeResult {
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InternalDuration duration;
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TimeDuration nudged_epoch_ns;
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bool did_expand_calendar_unit { false };
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};
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struct CalendarNudgeResult {
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DurationNudgeResult nudge_result;
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Crypto::BigFraction total;
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};
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DateDuration zero_date_duration(VM&);
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InternalDuration to_internal_duration_record(VM&, Duration const&);
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InternalDuration to_internal_duration_record_with_24_hour_days(VM&, Duration const&);
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ThrowCompletionOr<DateDuration> to_date_duration_record_without_time(VM&, Duration const&);
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ThrowCompletionOr<GC::Ref<Duration>> temporal_duration_from_internal(VM&, InternalDuration const&, Unit largest_unit);
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ThrowCompletionOr<DateDuration> create_date_duration_record(VM&, double years, double months, double weeks, double days);
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ThrowCompletionOr<DateDuration> adjust_date_duration_record(VM&, DateDuration const&, double days, Optional<double> weeks = {}, Optional<double> months = {});
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ThrowCompletionOr<InternalDuration> combine_date_and_time_duration(VM&, DateDuration, TimeDuration);
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ThrowCompletionOr<GC::Ref<Duration>> to_temporal_duration(VM&, Value);
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i8 duration_sign(Duration const&);
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i8 date_duration_sign(DateDuration const&);
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i8 internal_duration_sign(InternalDuration const&);
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bool is_valid_duration(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds);
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Unit default_temporal_largest_unit(Duration const&);
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ThrowCompletionOr<PartialDuration> to_temporal_partial_duration_record(VM&, Value temporal_duration_like);
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ThrowCompletionOr<GC::Ref<Duration>> create_temporal_duration(VM&, double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, GC::Ptr<FunctionObject> new_target = {});
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GC::Ref<Duration> create_negated_temporal_duration(VM&, Duration const&);
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TimeDuration time_duration_from_components(double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds);
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ThrowCompletionOr<TimeDuration> add_time_duration(VM&, TimeDuration const&, TimeDuration const&);
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ThrowCompletionOr<TimeDuration> add_24_hour_days_to_time_duration(VM&, TimeDuration const&, double days);
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TimeDuration add_time_duration_to_epoch_nanoseconds(TimeDuration const& duration, TimeDuration const& epoch_nanoseconds);
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i8 compare_time_duration(TimeDuration const&, TimeDuration const&);
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TimeDuration time_duration_from_epoch_nanoseconds_difference(TimeDuration const&, TimeDuration const&);
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ThrowCompletionOr<TimeDuration> round_time_duration_to_increment(VM&, TimeDuration const&, Crypto::UnsignedBigInteger const& increment, RoundingMode);
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i8 time_duration_sign(TimeDuration const&);
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ThrowCompletionOr<TimeDuration> round_time_duration(VM&, TimeDuration const&, Crypto::UnsignedBigInteger const& increment, Unit, RoundingMode);
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ThrowCompletionOr<CalendarNudgeResult> nudge_to_calendar_unit(VM&, i8 sign, InternalDuration const&, TimeDuration const& dest_epoch_ns, ISODateTime const&, Optional<StringView> time_zone, StringView calendar, u64 increment, Unit, RoundingMode);
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ThrowCompletionOr<DurationNudgeResult> nudge_to_zoned_time(VM&, i8 sign, InternalDuration const&, ISODateTime const&, StringView time_zone, StringView calendar, u64 increment, Unit, RoundingMode);
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ThrowCompletionOr<DurationNudgeResult> nudge_to_day_or_time(VM&, InternalDuration const&, TimeDuration const& dest_epoch_ns, Unit largest_unit, u64 increment, Unit smallest_unit, RoundingMode);
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ThrowCompletionOr<InternalDuration> bubble_relative_duration(VM&, i8 sign, InternalDuration, TimeDuration const& nudged_epoch_ns, ISODateTime const&, Optional<StringView> time_zone, StringView calendar, Unit largest_unit, Unit smallest_unit);
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ThrowCompletionOr<InternalDuration> round_relative_duration(VM&, InternalDuration, TimeDuration const& dest_epoch_ns, ISODateTime const&, Optional<StringView> time_zone, StringView calendar, Unit largest_unit, u64 increment, Unit smallest_unit, RoundingMode);
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double total_time_duration(TimeDuration const&, Unit);
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String temporal_duration_to_string(Duration const&, Precision);
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ThrowCompletionOr<GC::Ref<Duration>> add_durations(VM&, ArithmeticOperation, Duration const&, Value);
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}
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