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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
* Copyright (C) 2022 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "TemporalPlainYearMonth.h"
#include "IntlObjectInlines.h"
#include "JSCInlines.h"
#include "LazyPropertyInlines.h"
#include "TemporalDuration.h"
#include "TemporalPlainDateTime.h"
#include "VMTrapsInlines.h"
namespace JSC {
const ClassInfo TemporalPlainYearMonth::s_info = { "Object"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(TemporalPlainYearMonth) };
TemporalPlainYearMonth* TemporalPlainYearMonth::create(VM& vm, Structure* structure, ISO8601::PlainYearMonth&& plainYearMonth)
{
auto* object = new (NotNull, allocateCell<TemporalPlainYearMonth>(vm)) TemporalPlainYearMonth(vm, structure, WTFMove(plainYearMonth));
object->finishCreation(vm);
return object;
}
Structure* TemporalPlainYearMonth::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
}
TemporalPlainYearMonth::TemporalPlainYearMonth(VM& vm, Structure* structure, ISO8601::PlainYearMonth&& plainYearMonth)
: Base(vm, structure)
, m_plainYearMonth(WTFMove(plainYearMonth))
{
}
void TemporalPlainYearMonth::finishCreation(VM& vm)
{
Base::finishCreation(vm);
ASSERT(inherits(info()));
m_calendar.initLater(
[] (const auto& init) {
VM& vm = init.vm;
auto* plainYearMonth = jsCast<TemporalPlainYearMonth*>(init.owner);
auto* globalObject = plainYearMonth->globalObject();
auto* calendar = TemporalCalendar::create(vm, globalObject->calendarStructure(), iso8601CalendarID());
init.set(calendar);
});
}
template<typename Visitor>
void TemporalPlainYearMonth::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
Base::visitChildren(cell, visitor);
auto* thisObject = jsCast<TemporalPlainYearMonth*>(cell);
thisObject->m_calendar.visit(visitor);
}
DEFINE_VISIT_CHILDREN(TemporalPlainYearMonth);
// CreateTemporalYearMonth ( isoDate, calendar [, newTarget ] )
// https://tc39.es/proposal-temporal/#sec-temporal-createtemporalyearmonth
TemporalPlainYearMonth* TemporalPlainYearMonth::tryCreateIfValid(JSGlobalObject* globalObject, Structure* structure, ISO8601::PlainDate&& plainDate)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (!ISO8601::isYearMonthWithinLimits(plainDate.year(), plainDate.month())) [[unlikely]] {
throwRangeError(globalObject, scope, "PlainYearMonth is out of range of ECMAScript representation"_s);
return { };
}
return TemporalPlainYearMonth::create(vm, structure, ISO8601::PlainYearMonth(WTFMove(plainDate)));
}
String TemporalPlainYearMonth::toString() const
{
return ISO8601::temporalYearMonthToString(m_plainYearMonth, ""_s);
}
String TemporalPlainYearMonth::toString(JSGlobalObject* globalObject, JSValue optionsValue) const
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSObject* options = intlGetOptionsObject(globalObject, optionsValue);
RETURN_IF_EXCEPTION(scope, { });
if (!options) [[likely]]
return toString();
String calendarName = toTemporalCalendarName(globalObject, options);
RETURN_IF_EXCEPTION(scope, { });
return ISO8601::temporalYearMonthToString(m_plainYearMonth, calendarName);
}
// https://tc39.es/proposal-temporal/#sec-temporal.plainyearmonth.from
// https://tc39.es/proposal-temporal/#sec-temporal-totemporalyearmonth
// optionsValue may be undefined, which is treated as the absence of an options argument
TemporalPlainYearMonth* TemporalPlainYearMonth::from(JSGlobalObject* globalObject, JSValue item, JSValue optionsValue)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
// Handle string case first so that string parsing errors (RangeError)
// can be thrown before options-related errors (TypeError);
// see step 4 of ToTemporalYearMonth
auto string = item.getString(globalObject);
RETURN_IF_EXCEPTION(scope, { });
if (!string.isNull()) {
auto* result = TemporalPlainYearMonth::from(globalObject, string);
RETURN_IF_EXCEPTION(scope, { });
// See step 11 of ToTemporalYearMonth
if (!optionsValue.isUndefined()) {
toTemporalOverflow(globalObject, optionsValue);
RETURN_IF_EXCEPTION(scope, { });
}
RELEASE_AND_RETURN(scope, result);
}
JSObject* options = intlGetOptionsObject(globalObject, optionsValue);
RETURN_IF_EXCEPTION(scope, { });
if (item.isObject()) {
if (item.inherits<TemporalPlainYearMonth>())
return jsCast<TemporalPlainYearMonth*>(item);
JSObject* calendar = TemporalCalendar::getTemporalCalendarWithISODefault(globalObject, item);
RETURN_IF_EXCEPTION(scope, { });
// FIXME: Implement after fleshing out Temporal.Calendar.
if (!calendar->inherits<TemporalCalendar>() || !jsCast<TemporalCalendar*>(calendar)->isISO8601()) [[unlikely]] {
throwRangeError(globalObject, scope, "unimplemented: from non-ISO8601 calendar"_s);
return { };
}
Variant<JSObject*, TemporalOverflow> optionsOrOverflow = TemporalOverflow::Constrain;
if (options)
optionsOrOverflow = options;
auto overflow = TemporalOverflow::Constrain;
auto plainYearMonth = TemporalCalendar::isoDateFromFields(globalObject, asObject(item), TemporalDateFormat::YearMonth, optionsOrOverflow, overflow);
RETURN_IF_EXCEPTION(scope, { });
return TemporalPlainYearMonth::create(vm, globalObject->plainYearMonthStructure(), WTFMove(plainYearMonth));
}
throwTypeError(globalObject, scope, "can only convert to PlainYearMonth from object or string values"_s);
return { };
}
// https://tc39.es/proposal-temporal/#sec-temporal.plainyearmonth.from
TemporalPlainYearMonth* TemporalPlainYearMonth::from(JSGlobalObject* globalObject, StringView string)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
// https://tc39.es/proposal-temporal/#sec-temporal-parsetemporaldatestring
// TemporalDateString :
// CalendarDateTime
auto dateTime = ISO8601::parseCalendarDateTime(string, TemporalDateFormat::YearMonth);
if (dateTime) [[likely]] {
auto [plainDate, plainTimeOptional, timeZoneOptional, calendarOptional] = WTFMove(dateTime.value());
if (calendarOptional && !equal(calendarOptional.value().span(), "iso8601"_span8)) [[unlikely]] {
throwRangeError(globalObject, scope,
"YYYY-MM format is only valid with iso8601 calendar"_s);
return { };
}
if (!(timeZoneOptional && timeZoneOptional->m_z)) [[likely]]
RELEASE_AND_RETURN(scope, TemporalPlainYearMonth::tryCreateIfValid(globalObject, globalObject->plainYearMonthStructure(), WTFMove(plainDate)));
}
String message = tryMakeString("Temporal.PlainYearMonth.from: invalid date string "_s, string);
if (!message)
message = "Temporal.PlainYearMonth.from: invalid date string"_s;
throwRangeError(globalObject, scope, message);
return { };
}
String TemporalPlainYearMonth::monthCode() const
{
return ISO8601::monthCode(m_plainYearMonth.month());
}
} // namespace JSC
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