diff options
Diffstat (limited to 'Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp')
| -rw-r--r-- | Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp index 4ce2f1cf85..5ef61b0bb0 100644 --- a/Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp +++ b/Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp @@ -310,47 +310,47 @@ ThrowCompletionOr<ISODateRecord> regulate_iso_date(GlobalObject& global_object, VERIFY(year == trunc(year) && month == trunc(month) && day == trunc(day)); - // 1. If overflow is "reject", then - if (overflow == "reject"sv) { - // IMPLEMENTATION DEFINED: This is an optimization that allows us to treat these doubles as normal integers from this point onwards. - // This does not change the exposed behavior as the call to IsValidISODate will immediately check that these values are valid ISO - // values (for years: -273975 - 273975, for months: 1 - 12, for days: 1 - 31) all of which are subsets of this check. - if (!AK::is_within_range<i32>(year) || !AK::is_within_range<u8>(month) || !AK::is_within_range<u8>(day)) - return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidPlainDate); - - auto y = static_cast<i32>(year); - auto m = static_cast<u8>(month); - auto d = static_cast<u8>(day); - // a. If IsValidISODate(year, month, day) is false, throw a RangeError exception. - if (!is_valid_iso_date(y, m, d)) - return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidPlainDate); - - // b. Return the Record { [[Year]]: year, [[Month]]: month, [[Day]]: day }. - return ISODateRecord { .year = y, .month = m, .day = d }; - } - // 2. Else, - else { - // a. Assert: overflow is "constrain". - VERIFY(overflow == "constrain"sv); - + // 1. If overflow is "constrain", then + if (overflow == "constrain"sv) { // IMPLEMENTATION DEFINED: This is an optimization that allows us to treat this double as normal integer from this point onwards. This // does not change the exposed behavior as the parent's call to CreateTemporalDate will immediately check that this value is a valid // ISO value for years: -273975 - 273975, which is a subset of this check. if (!AK::is_within_range<i32>(year)) return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidPlainDate); - // b. Set month to the result of clamping month between 1 and 12. + // a. Set month to the result of clamping month between 1 and 12. month = clamp(month, 1, 12); - // c. Let daysInMonth be ! ISODaysInMonth(year, month). + // b. Let daysInMonth be ! ISODaysInMonth(year, month). auto days_in_month = iso_days_in_month(static_cast<i32>(year), static_cast<u8>(month)); - // d. Set day to the result of clamping day between 1 and daysInMonth. + // c. Set day to the result of clamping day between 1 and daysInMonth. day = clamp(day, 1, days_in_month); - // e. Return CreateISODateRecord(year, month, day). + // d. Return CreateISODateRecord(year, month, day). return create_iso_date_record(static_cast<i32>(year), static_cast<u8>(month), static_cast<u8>(day)); } + // 2. Else, + else { + // a. Assert: overflow is "reject". + VERIFY(overflow == "reject"sv); + + // IMPLEMENTATION DEFINED: This is an optimization that allows us to treat these doubles as normal integers from this point onwards. + // This does not change the exposed behavior as the call to IsValidISODate will immediately check that these values are valid ISO + // values (for years: -273975 - 273975, for months: 1 - 12, for days: 1 - 31) all of which are subsets of this check. + if (!AK::is_within_range<i32>(year) || !AK::is_within_range<u8>(month) || !AK::is_within_range<u8>(day)) + return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidPlainDate); + + auto y = static_cast<i32>(year); + auto m = static_cast<u8>(month); + auto d = static_cast<u8>(day); + // b. If IsValidISODate(year, month, day) is false, throw a RangeError exception. + if (!is_valid_iso_date(y, m, d)) + return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidPlainDate); + + // c. Return the Record { [[Year]]: year, [[Month]]: month, [[Day]]: day }. + return ISODateRecord { .year = y, .month = m, .day = d }; + } } // 3.5.5 IsValidISODate ( year, month, day ), https://tc39.es/proposal-temporal/#sec-temporal-isvalidisodate |