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LibJS: Begin implementing Temporal's CalendarMethodsRecord

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This is part of a large refactor made as part of the temporal spec.
Most AOs using the calendar now pass through this record. There will
need to be a long process of going through updating AOs to use this
record.
This commit is contained in:
Shannon Booth 2024-02-10 14:30:14 +13:00 • committed by Tim Flynn
parent 971e466521
commit fdfe06bb44
3 changed files with 264 additions and 0 deletions
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55
Userland/Libraries/LibJS/Runtime/Temporal/Calendar.h
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@ -1,6 +1,7 @@
/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2023-2024, Shannon Booth <shannon@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -83,4 +84,58 @@ ThrowCompletionOr<Object*> default_merge_calendar_fields(VM&, Object const& fiel
u16 to_iso_day_of_year(i32 year, u8 month, u8 day);
u8 to_iso_day_of_week(i32 year, u8 month, u8 day);
// https://tc39.es/proposal-temporal/#table-temporal-calendar-methods-record-fields
struct CalendarMethods {
// The calendar object, or a string indicating a built-in time zone.
Variant<String, NonnullGCPtr<Object>> receiver; // [[Reciever]]
// The calendar's dateAdd method. For a built-in calendar this is always %Temporal.Calendar.prototype.dateAdd%.
GCPtr<FunctionObject> date_add; // [[DateAdd]]
// The calendar's dateFromFields method. For a built-in calendar this is always %Temporal.Calendar.prototype.dateFromFields%.
GCPtr<FunctionObject> date_from_fields; // [[DateFromFields]]
// The calendar's dateUntil method. For a built-in calendar this is always %Temporal.Calendar.prototype.dateUntil%.
GCPtr<FunctionObject> date_until; // [[DateUntil]]
// The calendar's day method. For a built-in calendar this is always %Temporal.Calendar.prototype.day%.
GCPtr<FunctionObject> day; // [[Day]]
// The calendar's fields method. For a built-in calendar this is always %Temporal.Calendar.prototype.fields%.
GCPtr<FunctionObject> fields; // [[Fields]]
// The calendar's mergeFields method. For a built-in calendar this is always %Temporal.Calendar.prototype.mergeFields%.
GCPtr<FunctionObject> merge_fields; // [[MergeFields]]
// The calendar's monthDayFromFields method. For a built-in calendar this is always %Temporal.Calendar.prototype.monthDayFromFields%.
GCPtr<FunctionObject> month_day_from_fields; // [[MonthDayFromFields]]
// The calendar's yearMonthFromFields method. For a built-in calendar this is always %Temporal.Calendar.prototype.yearMonthFromFields%.
GCPtr<FunctionObject> year_month_from_fields; // [[YearMonthFromFields]]
};
#define JS_ENUMERATE_CALENDAR_METHODS \
__JS_ENUMERATE(DateAdd, dateAdd, date_add) \
__JS_ENUMERATE(DateFromFields, dateFromFields, date_from_fields) \
__JS_ENUMERATE(DateUntil, dateUntil, date_until) \
__JS_ENUMERATE(Day, day, day) \
__JS_ENUMERATE(Fields, fields, fields) \
__JS_ENUMERATE(MergeFields, mergeFields, merge_fields) \
__JS_ENUMERATE(MonthDayFromFields, monthDayFromFields, month_day_from_fields) \
__JS_ENUMERATE(YearMonthFromFields, yearMonthFromFields, year_month_from_fields)
enum class CalendarMethod {
#define __JS_ENUMERATE(PascalName, camelName, snake_name) \
PascalName,
JS_ENUMERATE_CALENDAR_METHODS
#undef __JS_ENUMERATE
};
ThrowCompletionOr<void> calendar_methods_record_lookup(VM&, CalendarMethods&, CalendarMethod);
ThrowCompletionOr<CalendarMethods> create_calendar_methods_record(VM&, Variant<String, NonnullGCPtr<Object>> calendar, ReadonlySpan<CalendarMethod>);
ThrowCompletionOr<Optional<CalendarMethods>> create_calendar_methods_record_from_relative_to(VM&, GCPtr<PlainDate>, GCPtr<ZonedDateTime>, ReadonlySpan<CalendarMethod>);
bool calendar_methods_record_has_looked_up(CalendarMethods const&, CalendarMethod);
bool calendar_methods_record_is_builtin(CalendarMethods const&);
ThrowCompletionOr<Value> calendar_methods_record_call(VM&, CalendarMethods const&, CalendarMethod, ReadonlySpan<Value> arguments);
}