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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/*
* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/TypeCasts.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Temporal/AbstractOperations.h>
#include <LibJS/Runtime/Temporal/Duration.h>
#include <LibJS/Runtime/Temporal/DurationConstructor.h>
namespace JS::Temporal {
// 7.1 The Temporal.Duration Constructor, https://tc39.es/proposal-temporal/#sec-temporal-duration-constructor
DurationConstructor::DurationConstructor(Realm& realm)
: NativeFunction(realm.vm().names.Duration.as_string(), *realm.intrinsics().function_prototype())
{
}
ThrowCompletionOr<void> DurationConstructor::initialize(Realm& realm)
{
MUST_OR_THROW_OOM(NativeFunction::initialize(realm));
auto& vm = this->vm();
// 7.2.1 Temporal.Duration.prototype, https://tc39.es/proposal-temporal/#sec-temporal.duration.prototype
define_direct_property(vm.names.prototype, realm.intrinsics().temporal_duration_prototype(), 0);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(realm, vm.names.from, from, 1, attr);
define_native_function(realm, vm.names.compare, compare, 2, attr);
define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
return {};
}
// 7.1.1 Temporal.Duration ( [ years [ , months [ , weeks [ , days [ , hours [ , minutes [ , seconds [ , milliseconds [ , microseconds [ , nanoseconds ] ] ] ] ] ] ] ] ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.duration
ThrowCompletionOr<Value> DurationConstructor::call()
{
auto& vm = this->vm();
// 1. If NewTarget is undefined, then
// a. Throw a TypeError exception.
return vm.throw_completion<TypeError>(ErrorType::ConstructorWithoutNew, "Temporal.Duration");
}
// 7.1.1 Temporal.Duration ( [ years [ , months [ , weeks [ , days [ , hours [ , minutes [ , seconds [ , milliseconds [ , microseconds [ , nanoseconds ] ] ] ] ] ] ] ] ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.duration
ThrowCompletionOr<NonnullGCPtr<Object>> DurationConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
// 2. Let y be ? ToIntegerIfIntegral(years).
auto y = TRY(to_integer_if_integral(vm, vm.argument(0), ErrorType::TemporalInvalidDuration));
// 3. Let mo be ? ToIntegerIfIntegral(months).
auto mo = TRY(to_integer_if_integral(vm, vm.argument(1), ErrorType::TemporalInvalidDuration));
// 4. Let w be ? ToIntegerIfIntegral(weeks).
auto w = TRY(to_integer_if_integral(vm, vm.argument(2), ErrorType::TemporalInvalidDuration));
// 5. Let d be ? ToIntegerIfIntegral(days).
auto d = TRY(to_integer_if_integral(vm, vm.argument(3), ErrorType::TemporalInvalidDuration));
// 6. Let h be ? ToIntegerIfIntegral(hours).
auto h = TRY(to_integer_if_integral(vm, vm.argument(4), ErrorType::TemporalInvalidDuration));
// 7. Let m be ? ToIntegerIfIntegral(minutes).
auto m = TRY(to_integer_if_integral(vm, vm.argument(5), ErrorType::TemporalInvalidDuration));
// 8. Let s be ? ToIntegerIfIntegral(seconds).
auto s = TRY(to_integer_if_integral(vm, vm.argument(6), ErrorType::TemporalInvalidDuration));
// 9. Let ms be ? ToIntegerIfIntegral(milliseconds).
auto ms = TRY(to_integer_if_integral(vm, vm.argument(7), ErrorType::TemporalInvalidDuration));
// 10. Let mis be ? ToIntegerIfIntegral(microseconds).
auto mis = TRY(to_integer_if_integral(vm, vm.argument(8), ErrorType::TemporalInvalidDuration));
// 11. Let ns be ? ToIntegerIfIntegral(nanoseconds).
auto ns = TRY(to_integer_if_integral(vm, vm.argument(9), ErrorType::TemporalInvalidDuration));
// 12. Return ? CreateTemporalDuration(y, mo, w, d, h, m, s, ms, mis, ns, NewTarget).
return *TRY(create_temporal_duration(vm, y, mo, w, d, h, m, s, ms, mis, ns, &new_target));
}
// 7.2.2 Temporal.Duration.from ( item ), https://tc39.es/proposal-temporal/#sec-temporal.duration.from
JS_DEFINE_NATIVE_FUNCTION(DurationConstructor::from)
{
auto item = vm.argument(0);
// 1. If Type(item) is Object and item has an [[InitializedTemporalDuration]] internal slot, then
if (item.is_object() && is<Duration>(item.as_object())) {
auto& duration = static_cast<Duration&>(item.as_object());
// a. Return ! CreateTemporalDuration(item.[[Years]], item.[[Months]], item.[[Weeks]], item.[[Days]], item.[[Hours]], item.[[Minutes]], item.[[Seconds]], item.[[Milliseconds]], item.[[Microseconds]], item.[[Nanoseconds]]).
return MUST(create_temporal_duration(vm, duration.years(), duration.months(), duration.weeks(), duration.days(), duration.hours(), duration.minutes(), duration.seconds(), duration.milliseconds(), duration.microseconds(), duration.nanoseconds()));
}
// 2. Return ? ToTemporalDuration(item).
return TRY(to_temporal_duration(vm, item));
}
// 7.2.3 Temporal.Duration.compare ( one, two [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.duration.compare
JS_DEFINE_NATIVE_FUNCTION(DurationConstructor::compare)
{
// 1. Set one to ? ToTemporalDuration(one).
auto* one = TRY(to_temporal_duration(vm, vm.argument(0)));
// 2. Set two to ? ToTemporalDuration(two).
auto* two = TRY(to_temporal_duration(vm, vm.argument(1)));
// 3. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(vm, vm.argument(2)));
// 4. Let relativeTo be ? ToRelativeTemporalObject(options).
auto relative_to = TRY(to_relative_temporal_object(vm, *options));
// 5. Let shift1 be ? CalculateOffsetShift(relativeTo, one.[[Years]], one.[[Months]], one.[[Weeks]], one.[[Days]]).
auto shift1 = TRY(calculate_offset_shift(vm, relative_to, one->years(), one->months(), one->weeks(), one->days()));
// 6. Let shift2 be ? CalculateOffsetShift(relativeTo, two.[[Years]], two.[[Months]], two.[[Weeks]], two.[[Days]]).
auto shift2 = TRY(calculate_offset_shift(vm, relative_to, two->years(), two->months(), two->weeks(), two->days()));
double days1;
double days2;
// 7. If any of one.[[Years]], two.[[Years]], one.[[Months]], two.[[Months]], one.[[Weeks]], or two.[[Weeks]] are not 0, then
if (one->years() != 0 || two->years() != 0 || one->months() != 0 || two->months() != 0 || one->weeks() != 0 || two->weeks() != 0) {
// a. Let unbalanceResult1 be ? UnbalanceDurationRelative(one.[[Years]], one.[[Months]], one.[[Weeks]], one.[[Days]], "day", relativeTo).
auto unbalance_result1 = TRY(unbalance_duration_relative(vm, one->years(), one->months(), one->weeks(), one->days(), "day"sv, relative_to));
// b. Let unbalanceResult2 be ? UnbalanceDurationRelative(two.[[Years]], two.[[Months]], two.[[Weeks]], two.[[Days]], "day", relativeTo).
auto unbalance_result2 = TRY(unbalance_duration_relative(vm, two->years(), two->months(), two->weeks(), two->days(), "day"sv, relative_to));
// c. Let days1 be unbalanceResult1.[[Days]].
days1 = unbalance_result1.days;
// d. Let days2 be unbalanceResult2.[[Days]].
days2 = unbalance_result2.days;
}
// 8. Else,
else {
// a. Let days1 be one.[[Days]].
days1 = one->days();
// b. Let days2 be two.[[Days]].
days2 = two->days();
}
// 9. Let ns1 be ! TotalDurationNanoseconds(days1, one.[[Hours]], one.[[Minutes]], one.[[Seconds]], one.[[Milliseconds]], one.[[Microseconds]], one.[[Nanoseconds]], shift1).
auto ns1 = total_duration_nanoseconds(days1, one->hours(), one->minutes(), one->seconds(), one->milliseconds(), one->microseconds(), Crypto::SignedBigInteger { one->nanoseconds() }, shift1);
// 10. Let ns2 be ! TotalDurationNanoseconds(days2, two.[[Hours]], two.[[Minutes]], two.[[Seconds]], two.[[Milliseconds]], two.[[Microseconds]], two.[[Nanoseconds]], shift2).
auto ns2 = total_duration_nanoseconds(days2, two->hours(), two->minutes(), two->seconds(), two->milliseconds(), two->microseconds(), Crypto::SignedBigInteger { two->nanoseconds() }, shift2);
// 11. If ns1 > ns2, return 1𝔽.
if (ns1 > ns2)
return Value(1);
// 12. If ns1 < ns2, return -1𝔽.
if (ns1 < ns2)
return Value(-1);
// 13. Return +0𝔽.
return Value(0);
}
}
|
