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
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef builtin_temporal_PlainTime_h
#define builtin_temporal_PlainTime_h
#include <stdint.h>
#include "builtin/temporal/TemporalTypes.h"
#include "js/TypeDecls.h"
#include "js/Value.h"
#include "vm/NativeObject.h"
namespace js {
struct ClassSpec;
}
namespace js::temporal {
class PlainTimeObject : public NativeObject {
public:
static const JSClass class_;
static const JSClass& protoClass_;
// TODO: Consider compacting fields to reduce object size.
//
// ceil(log2(24)) + 2 * ceil(log2(60)) + 3 * ceil(log2(1000)) = 47 bits are
// needed to store a time value in a single int64. 47 bits can be stored as
// raw bits in a JS::Value.
static constexpr uint32_t ISO_HOUR_SLOT = 0;
static constexpr uint32_t ISO_MINUTE_SLOT = 1;
static constexpr uint32_t ISO_SECOND_SLOT = 2;
static constexpr uint32_t ISO_MILLISECOND_SLOT = 3;
static constexpr uint32_t ISO_MICROSECOND_SLOT = 4;
static constexpr uint32_t ISO_NANOSECOND_SLOT = 5;
static constexpr uint32_t SLOT_COUNT = 6;
int32_t isoHour() const { return getFixedSlot(ISO_HOUR_SLOT).toInt32(); }
int32_t isoMinute() const { return getFixedSlot(ISO_MINUTE_SLOT).toInt32(); }
int32_t isoSecond() const { return getFixedSlot(ISO_SECOND_SLOT).toInt32(); }
int32_t isoMillisecond() const {
return getFixedSlot(ISO_MILLISECOND_SLOT).toInt32();
}
int32_t isoMicrosecond() const {
return getFixedSlot(ISO_MICROSECOND_SLOT).toInt32();
}
int32_t isoNanosecond() const {
return getFixedSlot(ISO_NANOSECOND_SLOT).toInt32();
}
private:
static const ClassSpec classSpec_;
};
/**
* Extract the time fields from the PlainTime object.
*/
inline PlainTime ToPlainTime(const PlainTimeObject* time) {
return {time->isoHour(), time->isoMinute(),
time->isoSecond(), time->isoMillisecond(),
time->isoMicrosecond(), time->isoNanosecond()};
}
class Increment;
enum class TemporalOverflow;
enum class TemporalRoundingMode;
enum class TemporalUnit;
#ifdef DEBUG
/**
* IsValidTime ( hour, minute, second, millisecond, microsecond, nanosecond )
*/
bool IsValidTime(const PlainTime& time);
/**
* IsValidTime ( hour, minute, second, millisecond, microsecond, nanosecond )
*/
bool IsValidTime(double hour, double minute, double second, double millisecond,
double microsecond, double nanosecond);
#endif
/**
* IsValidTime ( hour, minute, second, millisecond, microsecond, nanosecond )
*/
bool ThrowIfInvalidTime(JSContext* cx, const PlainTime& time);
/**
* IsValidTime ( hour, minute, second, millisecond, microsecond, nanosecond )
*/
bool ThrowIfInvalidTime(JSContext* cx, double hour, double minute,
double second, double millisecond, double microsecond,
double nanosecond);
/**
* CreateTemporalTime ( hour, minute, second, millisecond, microsecond,
* nanosecond [ , newTarget ] )
*/
PlainTimeObject* CreateTemporalTime(JSContext* cx, const PlainTime& time);
/**
* ToTemporalTime ( item [ , overflow ] )
*/
bool ToTemporalTime(JSContext* cx, JS::Handle<JS::Value> item,
PlainTime* result);
struct AddedTime {
int32_t days = 0;
PlainTime time;
};
/**
* AddTime ( hour, minute, second, millisecond, microsecond, nanosecond, norm )
*/
AddedTime AddTime(const PlainTime& time,
const NormalizedTimeDuration& duration);
/**
* DifferenceTime ( h1, min1, s1, ms1, mus1, ns1, h2, min2, s2, ms2, mus2, ns2 )
*/
NormalizedTimeDuration DifferenceTime(const PlainTime& time1,
const PlainTime& time2);
struct TemporalTimeLike final {
double hour = 0;
double minute = 0;
double second = 0;
double millisecond = 0;
double microsecond = 0;
double nanosecond = 0;
};
/**
* ToTemporalTimeRecord ( temporalTimeLike [ , completeness ] )
*/
bool ToTemporalTimeRecord(JSContext* cx, JS::Handle<JSObject*> temporalTimeLike,
TemporalTimeLike* result);
/**
* RegulateTime ( hour, minute, second, millisecond, microsecond, nanosecond,
* overflow )
*/
bool RegulateTime(JSContext* cx, const TemporalTimeLike& time,
TemporalOverflow overflow, PlainTime* result);
/**
* CompareTemporalTime ( h1, min1, s1, ms1, mus1, ns1, h2, min2, s2, ms2, mus2,
* ns2 )
*/
int32_t CompareTemporalTime(const PlainTime& one, const PlainTime& two);
struct BalancedTime final {
int32_t days = 0;
PlainTime time;
};
/**
* BalanceTime ( hour, minute, second, millisecond, microsecond, nanosecond )
*/
BalancedTime BalanceTime(const PlainTime& time, int64_t nanoseconds);
struct RoundedTime final {
int64_t days = 0;
PlainTime time;
};
/**
* RoundTime ( hour, minute, second, millisecond, microsecond, nanosecond,
* increment, unit, roundingMode )
*/
RoundedTime RoundTime(const PlainTime& time, Increment increment,
TemporalUnit unit, TemporalRoundingMode roundingMode);
} /* namespace js::temporal */
#endif /* builtin_temporal_PlainTime_h */
|
