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LibJS: Implement the Temporal.Duration constructor

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This also includes a stubbed Temporal.Duration.prototype.

Until we have re-implemented Temporal.PlainDate/ZonedDateTime, some of
Temporal.Duration.compare (and its invoked AOs) are left unimplemented.
This commit is contained in:
Timothy Flynn 2024-11-18 11:58:51 -05:00 • committed by Tim Flynn
commit 5fe0d3352d
Notes: github-actions[bot] 2024-11-21 00:06:22 +00:00
30 changed files with 2143 additions and 26 deletions
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104
Libraries/LibJS/Runtime/Temporal/Duration.h
View file

@ -8,10 +8,112 @@
#pragma once
#include <AK/Types.h>
#include <AK/Optional.h>
#include <LibCrypto/BigInt/SignedBigInteger.h>
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/Temporal/AbstractOperations.h>
#include <LibJS/Runtime/Value.h>
namespace JS::Temporal {
#define JS_ENUMERATE_DURATION_UNITS \
__JS_ENUMERATE(years) \
__JS_ENUMERATE(months) \
__JS_ENUMERATE(weeks) \
__JS_ENUMERATE(days) \
__JS_ENUMERATE(hours) \
__JS_ENUMERATE(minutes) \
__JS_ENUMERATE(seconds) \
__JS_ENUMERATE(milliseconds) \
__JS_ENUMERATE(microseconds) \
__JS_ENUMERATE(nanoseconds)
class Duration final : public Object {
JS_OBJECT(Duration, Object);
GC_DECLARE_ALLOCATOR(Duration);
public:
virtual ~Duration() override = default;
#define __JS_ENUMERATE(unit) \
[[nodiscard]] double unit() const { return m_##unit; }
JS_ENUMERATE_DURATION_UNITS
#undef __JS_ENUMERATE
private:
Duration(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, Object& prototype);
double m_years { 0 }; // [[Years]]
double m_months { 0 }; // [[Months]]
double m_weeks { 0 }; // [[Weeks]]
double m_days { 0 }; // [[Days]]
double m_hours { 0 }; // [[Hours]]
double m_minutes { 0 }; // [[Minutes]]
double m_seconds { 0 }; // [[Seconds]]
double m_milliseconds { 0 }; // [[Milliseconds]]
double m_microseconds { 0 }; // [[Microseconds]]
double m_nanoseconds { 0 }; // [[Nanoseconds]]
};
// 7.5.1 Date Duration Records, https://tc39.es/proposal-temporal/#sec-temporal-date-duration-records
struct DateDuration {
double years { 0 };
double months { 0 };
double weeks { 0 };
double days { 0 };
};
// 7.5.2 Partial Duration Records, https://tc39.es/proposal-temporal/#sec-temporal-partial-duration-records
struct PartialDuration {
static PartialDuration zero()
{
return { .years = 0, .months = 0, .weeks = 0, .days = 0, .hours = 0, .minutes = 0, .seconds = 0, .milliseconds = 0, .microseconds = 0, .nanoseconds = 0 };
}
bool any_field_defined() const
{
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();
}
Optional<double> years;
Optional<double> months;
Optional<double> weeks;
Optional<double> days;
Optional<double> hours;
Optional<double> minutes;
Optional<double> seconds;
Optional<double> milliseconds;
Optional<double> microseconds;
Optional<double> nanoseconds;
};
// A time duration is an integer in the inclusive interval from -maxTimeDuration to maxTimeDuration, where
// maxTimeDuration = 2**53 × 10**9 - 1 = 9,007,199,254,740,991,999,999,999. It represents the portion of a
// Temporal.Duration object that deals with time units, but as a combined value of total nanoseconds.
using TimeDuration = Crypto::SignedBigInteger;
extern TimeDuration const MAX_TIME_DURATION;
// 7.5.3 Internal Duration Records, https://tc39.es/proposal-temporal/#sec-temporal-internal-duration-records
struct InternalDuration {
DateDuration date;
TimeDuration time;
};
DateDuration zero_date_duration(VM&);
InternalDuration to_internal_duration_record(VM&, Duration const&);
ThrowCompletionOr<DateDuration> create_date_duration_record(VM&, double years, double months, double weeks, double days);
ThrowCompletionOr<InternalDuration> combine_date_and_time_duration(VM&, DateDuration, TimeDuration);
ThrowCompletionOr<GC::Ref<Duration>> to_temporal_duration(VM&, Value);
i8 duration_sign(Duration const&);
i8 date_duration_sign(DateDuration const&);
bool is_valid_duration(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds);
Unit default_temporal_largest_unit(Duration const&);
ThrowCompletionOr<PartialDuration> to_temporal_partial_duration_record(VM&, Value temporal_duration_like);
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 = {});
TimeDuration time_duration_from_components(double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds);
ThrowCompletionOr<TimeDuration> add_24_hour_days_to_time_duration(VM&, TimeDuration const&, double days);
i8 compare_time_duration(TimeDuration const&, TimeDuration const&);
i8 time_duration_sign(TimeDuration const&);
}