1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Checked.h>
#include <AK/TypeCasts.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Temporal/AbstractOperations.h>
#include <LibJS/Runtime/Temporal/Calendar.h>
#include <LibJS/Runtime/Temporal/PlainDateTime.h>
#include <LibJS/Runtime/Temporal/PlainDateTimeConstructor.h>
namespace JS::Temporal {
// 5.1 The Temporal.PlainDateTime Constructor, https://tc39.es/proposal-temporal/#sec-temporal-plaindatetime-constructor
PlainDateTimeConstructor::PlainDateTimeConstructor(GlobalObject& global_object)
: NativeFunction(vm().names.PlainDateTime.as_string(), *global_object.function_prototype())
{
}
void PlainDateTimeConstructor::initialize(GlobalObject& global_object)
{
NativeFunction::initialize(global_object);
auto& vm = this->vm();
// 5.2.1 Temporal.PlainDateTime.prototype, https://tc39.es/proposal-temporal/#sec-temporal-plaindatetime-prototype
define_direct_property(vm.names.prototype, global_object.temporal_plain_date_time_prototype(), 0);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.from, from, 1, attr);
define_native_function(vm.names.compare, compare, 2, attr);
define_direct_property(vm.names.length, Value(3), Attribute::Configurable);
}
// 5.1.1 Temporal.PlainDateTime ( isoYear, isoMonth, isoDay [ , hour [ , minute [ , second [ , millisecond [ , microsecond [ , nanosecond [ , calendarLike ] ] ] ] ] ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime
Value PlainDateTimeConstructor::call()
{
auto& vm = this->vm();
// 1. If NewTarget is undefined, throw a TypeError exception.
vm.throw_exception<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, "Temporal.PlainDateTime");
return {};
}
// 5.1.1 Temporal.PlainDateTime ( isoYear, isoMonth, isoDay [ , hour [ , minute [ , second [ , millisecond [ , microsecond [ , nanosecond [ , calendarLike ] ] ] ] ] ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime
Value PlainDateTimeConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto& global_object = this->global_object();
// 2. Let isoYear be ? ToIntegerThrowOnInfinity(isoYear).
auto iso_year = TRY_OR_DISCARD(to_integer_throw_on_infinity(global_object, vm.argument(0), ErrorType::TemporalInvalidPlainDateTime));
// 3. Let isoMonth be ? ToIntegerThrowOnInfinity(isoMonth).
auto iso_month = TRY_OR_DISCARD(to_integer_throw_on_infinity(global_object, vm.argument(1), ErrorType::TemporalInvalidPlainDateTime));
// 4. Let isoDay be ? ToIntegerThrowOnInfinity(isoDay).
auto iso_day = TRY_OR_DISCARD(to_integer_throw_on_infinity(global_object, vm.argument(2), ErrorType::TemporalInvalidPlainDateTime));
// 5. Let hour be ? ToIntegerThrowOnInfinity(hour).
auto hour = TRY_OR_DISCARD(to_integer_throw_on_infinity(global_object, vm.argument(3), ErrorType::TemporalInvalidPlainDateTime));
// 6. Let minute be ? ToIntegerThrowOnInfinity(minute).
auto minute = TRY_OR_DISCARD(to_integer_throw_on_infinity(global_object, vm.argument(4), ErrorType::TemporalInvalidPlainDateTime));
// 7. Let second be ? ToIntegerThrowOnInfinity(second).
auto second = TRY_OR_DISCARD(to_integer_throw_on_infinity(global_object, vm.argument(5), ErrorType::TemporalInvalidPlainDateTime));
// 8. Let millisecond be ? ToIntegerThrowOnInfinity(millisecond).
auto millisecond = TRY_OR_DISCARD(to_integer_throw_on_infinity(global_object, vm.argument(6), ErrorType::TemporalInvalidPlainDateTime));
// 9. Let microsecond be ? ToIntegerThrowOnInfinity(microsecond).
auto microsecond = TRY_OR_DISCARD(to_integer_throw_on_infinity(global_object, vm.argument(7), ErrorType::TemporalInvalidPlainDateTime));
// 10. Let nanosecond be ? ToIntegerThrowOnInfinity(nanosecond).
auto nanosecond = TRY_OR_DISCARD(to_integer_throw_on_infinity(global_object, vm.argument(8), ErrorType::TemporalInvalidPlainDateTime));
// 11. Let calendar be ? ToTemporalCalendarWithISODefault(calendarLike).
auto* calendar = to_temporal_calendar_with_iso_default(global_object, vm.argument(9));
if (vm.exception())
return {};
// 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 CreateTemporalDateTime will immediately check that these values are valid
// ISO values (for years: -273975 - 273975, for months: 1 - 12, for days: 1 - 31, for hours: 0 - 23, for minutes and seconds: 0 - 59,
// milliseconds, microseconds, and nanoseconds: 0 - 999) all of which are subsets of this check.
if (!AK::is_within_range<i32>(iso_year) || !AK::is_within_range<u8>(iso_month) || !AK::is_within_range<u8>(iso_day) || !AK::is_within_range<u8>(hour) || !AK::is_within_range<u8>(minute) || !AK::is_within_range<u8>(second) || !AK::is_within_range<u16>(millisecond) || !AK::is_within_range<u16>(microsecond) || !AK::is_within_range<u16>(nanosecond)) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 12. Return ? CreateTemporalDateTime(isoYear, isoMonth, isoDay, hour, minute, second, millisecond, microsecond, nanosecond, calendar, NewTarget).
return create_temporal_date_time(global_object, iso_year, iso_month, iso_day, hour, minute, second, millisecond, microsecond, nanosecond, *calendar, &new_target);
}
// 5.2.2 Temporal.PlainDateTime.from ( item [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.from
JS_DEFINE_NATIVE_FUNCTION(PlainDateTimeConstructor::from)
{
auto item = vm.argument(0);
// 1. Set options to ? GetOptionsObject(options).
auto* options = TRY_OR_DISCARD(get_options_object(global_object, vm.argument(1)));
// 2. If Type(item) is Object and item has an [[InitializedTemporalDateTime]] internal slot, then
if (item.is_object() && is<PlainDateTime>(item.as_object())) {
auto& plain_date_time = static_cast<PlainDateTime&>(item.as_object());
// a. Perform ? ToTemporalOverflow(options).
(void)TRY_OR_DISCARD(to_temporal_overflow(global_object, *options));
// b. Return ? CreateTemporalDateTime(item.[[ISOYear]], item.[[ISOMonth]], item.[[ISODay]], item.[[ISOHour]], item.[[ISOMinute]], item.[[ISOSecond]], item.[[ISOMillisecond]], item.[[ISOMicrosecond]], item.[[ISONanosecond]], item.[[Calendar]]).
return create_temporal_date_time(global_object, plain_date_time.iso_year(), plain_date_time.iso_month(), plain_date_time.iso_day(), plain_date_time.iso_hour(), plain_date_time.iso_minute(), plain_date_time.iso_second(), plain_date_time.iso_millisecond(), plain_date_time.iso_microsecond(), plain_date_time.iso_nanosecond(), plain_date_time.calendar());
}
// 3. Return ? ToTemporalDateTime(item, options).
return to_temporal_date_time(global_object, item, options);
}
// 5.2.3 Temporal.PlainDateTime.compare ( one, two ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.compare
JS_DEFINE_NATIVE_FUNCTION(PlainDateTimeConstructor::compare)
{
// 1. Set one to ? ToTemporalDateTime(one).
auto* one = to_temporal_date_time(global_object, vm.argument(0));
if (vm.exception())
return {};
// 2. Set two to ? ToTemporalDateTime(two).
auto two = to_temporal_date_time(global_object, vm.argument(1));
if (vm.exception())
return {};
// 3. Return 𝔽(! CompareISODateTime(one.[[ISOYear]], one.[[ISOMonth]], one.[[ISODay]], one.[[ISOHour]], one.[[ISOMinute]], one.[[ISOSecond]], one.[[ISOMillisecond]], one.[[ISOMicrosecond]], one.[[ISONanosecond]], two.[[ISOYear]], two.[[ISOMonth]], two.[[ISODay]], two.[[ISOHour]], two.[[ISOMinute]], two.[[ISOSecond]], two.[[ISOMillisecond]], two.[[ISOMicrosecond]], two.[[ISONanosecond]])).
return Value(compare_iso_date_time(one->iso_year(), one->iso_month(), one->iso_day(), one->iso_hour(), one->iso_minute(), one->iso_second(), one->iso_millisecond(), one->iso_microsecond(), one->iso_nanosecond(), two->iso_year(), two->iso_month(), two->iso_day(), two->iso_hour(), two->iso_minute(), two->iso_second(), two->iso_millisecond(), two->iso_microsecond(), two->iso_nanosecond()));
}
}
|