1 #include "jsi.h"
2 #include "jsvalue.h"
3 #include "jsbuiltin.h"
4
5 #include <time.h>
6
7 #if defined(__unix__) || defined(__APPLE__)
8 #include <sys/time.h>
9 #elif defined(_WIN32)
10 #include <sys/timeb.h>
11 #endif
12
13 #define js_optnumber(J,I,V) (js_isdefined(J,I) ? js_tonumber(J,I) : V)
14
Now(void)15 static double Now(void)
16 {
17 #if defined(__unix__) || defined(__APPLE__)
18 struct timeval tv;
19 gettimeofday(&tv, NULL);
20 return floor(tv.tv_sec * 1000.0 + tv.tv_usec / 1000.0);
21 #elif defined(_WIN32)
22 struct _timeb tv;
23 _ftime(&tv);
24 return tv.time * 1000.0 + tv.millitm;
25 #else
26 return time(NULL) * 1000.0;
27 #endif
28 }
29
LocalTZA(void)30 static double LocalTZA(void)
31 {
32 static int once = 1;
33 static double tza = 0;
34 if (once) {
35 time_t now = time(NULL);
36 time_t utc = mktime(gmtime(&now));
37 time_t loc = mktime(localtime(&now));
38 tza = (loc - utc) * 1000;
39 once = 0;
40 }
41 return tza;
42 }
43
DaylightSavingTA(double t)44 static double DaylightSavingTA(double t)
45 {
46 return 0; /* TODO */
47 }
48
49 /* Helpers from the ECMA 262 specification */
50
51 #define HoursPerDay 24.0
52 #define MinutesPerDay (HoursPerDay * MinutesPerHour)
53 #define MinutesPerHour 60.0
54 #define SecondsPerDay (MinutesPerDay * SecondsPerMinute)
55 #define SecondsPerHour (MinutesPerHour * SecondsPerMinute)
56 #define SecondsPerMinute 60.0
57
58 #define msPerDay (SecondsPerDay * msPerSecond)
59 #define msPerHour (SecondsPerHour * msPerSecond)
60 #define msPerMinute (SecondsPerMinute * msPerSecond)
61 #define msPerSecond 1000.0
62
pmod(double x,double y)63 static double pmod(double x, double y)
64 {
65 x = fmod(x, y);
66 if (x < 0)
67 x += y;
68 return x;
69 }
70
Day(double t)71 static int Day(double t)
72 {
73 return floor(t / msPerDay);
74 }
75
TimeWithinDay(double t)76 static double TimeWithinDay(double t)
77 {
78 return pmod(t, msPerDay);
79 }
80
DaysInYear(int y)81 static int DaysInYear(int y)
82 {
83 return y % 4 == 0 && (y % 100 || (y % 400 == 0)) ? 366 : 365;
84 }
85
DayFromYear(int y)86 static int DayFromYear(int y)
87 {
88 return 365 * (y - 1970) +
89 floor((y - 1969) / 4.0) -
90 floor((y - 1901) / 100.0) +
91 floor((y - 1601) / 400.0);
92 }
93
TimeFromYear(int y)94 static double TimeFromYear(int y)
95 {
96 return DayFromYear(y) * msPerDay;
97 }
98
YearFromTime(double t)99 static int YearFromTime(double t)
100 {
101 int y = floor(t / (msPerDay * 365.2425)) + 1970;
102 double t2 = TimeFromYear(y);
103 if (t2 > t)
104 --y;
105 else if (t2 + msPerDay * DaysInYear(y) <= t)
106 ++y;
107 return y;
108 }
109
InLeapYear(int t)110 static int InLeapYear(int t)
111 {
112 return DaysInYear(YearFromTime(t)) == 366;
113 }
114
DayWithinYear(double t)115 static int DayWithinYear(double t)
116 {
117 return Day(t) - DayFromYear(YearFromTime(t));
118 }
119
MonthFromTime(double t)120 static int MonthFromTime(double t)
121 {
122 int day = DayWithinYear(t);
123 int leap = InLeapYear(t);
124 if (day < 31) return 0;
125 if (day < 59 + leap) return 1;
126 if (day < 90 + leap) return 2;
127 if (day < 120 + leap) return 3;
128 if (day < 151 + leap) return 4;
129 if (day < 181 + leap) return 5;
130 if (day < 212 + leap) return 6;
131 if (day < 243 + leap) return 7;
132 if (day < 273 + leap) return 8;
133 if (day < 304 + leap) return 9;
134 if (day < 334 + leap) return 10;
135 return 11;
136 }
137
DateFromTime(double t)138 static int DateFromTime(double t)
139 {
140 int day = DayWithinYear(t);
141 int leap = InLeapYear(t);
142 switch (MonthFromTime(t)) {
143 case 0: return day + 1;
144 case 1: return day - 30;
145 case 2: return day - 58 - leap;
146 case 3: return day - 89 - leap;
147 case 4: return day - 119 - leap;
148 case 5: return day - 150 - leap;
149 case 6: return day - 180 - leap;
150 case 7: return day - 211 - leap;
151 case 8: return day - 242 - leap;
152 case 9: return day - 272 - leap;
153 case 10: return day - 303 - leap;
154 default : return day - 333 - leap;
155 }
156 }
157
WeekDay(double t)158 static int WeekDay(double t)
159 {
160 return pmod(Day(t) + 4, 7);
161 }
162
LocalTime(double utc)163 static double LocalTime(double utc)
164 {
165 return utc + LocalTZA() + DaylightSavingTA(utc);
166 }
167
UTC(double loc)168 static double UTC(double loc)
169 {
170 return loc - LocalTZA() - DaylightSavingTA(loc - LocalTZA());
171 }
172
HourFromTime(double t)173 static int HourFromTime(double t)
174 {
175 return pmod(floor(t / msPerHour), HoursPerDay);
176 }
177
MinFromTime(double t)178 static int MinFromTime(double t)
179 {
180 return pmod(floor(t / msPerMinute), MinutesPerHour);
181 }
182
SecFromTime(double t)183 static int SecFromTime(double t)
184 {
185 return pmod(floor(t / msPerSecond), SecondsPerMinute);
186 }
187
msFromTime(double t)188 static int msFromTime(double t)
189 {
190 return pmod(t, msPerSecond);
191 }
192
MakeTime(double hour,double min,double sec,double ms)193 static double MakeTime(double hour, double min, double sec, double ms)
194 {
195 return ((hour * MinutesPerHour + min) * SecondsPerMinute + sec) * msPerSecond + ms;
196 }
197
MakeDay(double y,double m,double date)198 static double MakeDay(double y, double m, double date)
199 {
200 /*
201 * The following array contains the day of year for the first day of
202 * each month, where index 0 is January, and day 0 is January 1.
203 */
204 static const double firstDayOfMonth[2][12] = {
205 {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334},
206 {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335}
207 };
208
209 double yd, md;
210 int im;
211
212 y += floor(m / 12);
213 m = pmod(m, 12);
214
215 im = (int)m;
216 if (im < 0 || im >= 12)
217 return NAN;
218
219 yd = floor(TimeFromYear(y) / msPerDay);
220 md = firstDayOfMonth[InLeapYear(y)][im];
221
222 return yd + md + date - 1;
223 }
224
MakeDate(double day,double time)225 static double MakeDate(double day, double time)
226 {
227 return day * msPerDay + time;
228 }
229
TimeClip(double t)230 static double TimeClip(double t)
231 {
232 if (!isfinite(t))
233 return NAN;
234 if (fabs(t) > 8.64e15)
235 return NAN;
236 return t < 0 ? -floor(-t) : floor(t);
237 }
238
toint(const char ** sp,int w,int * v)239 static int toint(const char **sp, int w, int *v)
240 {
241 const char *s = *sp;
242 *v = 0;
243 while (w--) {
244 if (*s < '0' || *s > '9')
245 return 0;
246 *v = *v * 10 + (*s++ - '0');
247 }
248 *sp = s;
249 return 1;
250 }
251
parseDateTime(const char * s)252 static double parseDateTime(const char *s)
253 {
254 int y = 1970, m = 1, d = 1, H = 0, M = 0, S = 0, ms = 0;
255 int tza = 0;
256 double t;
257
258 /* Parse ISO 8601 formatted date and time: */
259 /* YYYY("-"MM("-"DD)?)?("T"HH":"mm(":"ss("."sss)?)?("Z"|[+-]HH(":"mm)?)?)? */
260
261 if (!toint(&s, 4, &y)) return NAN;
262 if (*s == '-') {
263 s += 1;
264 if (!toint(&s, 2, &m)) return NAN;
265 if (*s == '-') {
266 s += 1;
267 if (!toint(&s, 2, &d)) return NAN;
268 }
269 }
270
271 if (*s == 'T') {
272 s += 1;
273 if (!toint(&s, 2, &H)) return NAN;
274 if (*s != ':') return NAN;
275 s += 1;
276 if (!toint(&s, 2, &M)) return NAN;
277 if (*s == ':') {
278 s += 1;
279 if (!toint(&s, 2, &S)) return NAN;
280 if (*s == '.') {
281 s += 1;
282 if (!toint(&s, 3, &ms)) return NAN;
283 }
284 }
285 if (*s == 'Z') {
286 s += 1;
287 tza = 0;
288 } else if (*s == '+' || *s == '-') {
289 int tzh = 0, tzm = 0;
290 int tzs = *s == '+' ? 1 : -1;
291 s += 1;
292 if (!toint(&s, 2, &tzh)) return NAN;
293 if (*s == ':') {
294 s += 1;
295 if (!toint(&s, 2, &tzm)) return NAN;
296 }
297 if (tzh > 23 || tzm > 59) return NAN;
298 tza = tzs * (tzh * msPerHour + tzm * msPerMinute);
299 } else {
300 tza = LocalTZA();
301 }
302 }
303
304 if (*s) return NAN;
305
306 if (m < 1 || m > 12) return NAN;
307 if (d < 1 || d > 31) return NAN;
308 if (H < 0 || H > 24) return NAN;
309 if (M < 0 || M > 59) return NAN;
310 if (S < 0 || S > 59) return NAN;
311 if (ms < 0 || ms > 999) return NAN;
312 if (H == 24 && (M != 0 || S != 0 || ms != 0)) return NAN;
313
314 /* TODO: DaylightSavingTA on local times */
315 t = MakeDate(MakeDay(y, m-1, d), MakeTime(H, M, S, ms));
316 return t - tza;
317 }
318
319 /* date formatting */
320
fmtdate(char * buf,double t)321 static char *fmtdate(char *buf, double t)
322 {
323 int y = YearFromTime(t);
324 int m = MonthFromTime(t);
325 int d = DateFromTime(t);
326 if (!isfinite(t))
327 return "Invalid Date";
328 sprintf(buf, "%04d-%02d-%02d", y, m+1, d);
329 return buf;
330 }
331
fmttime(char * buf,double t,double tza)332 static char *fmttime(char *buf, double t, double tza)
333 {
334 int H = HourFromTime(t);
335 int M = MinFromTime(t);
336 int S = SecFromTime(t);
337 int ms = msFromTime(t);
338 int tzh = HourFromTime(fabs(tza));
339 int tzm = MinFromTime(fabs(tza));
340 if (!isfinite(t))
341 return "Invalid Date";
342 if (tza == 0)
343 sprintf(buf, "%02d:%02d:%02d.%03dZ", H, M, S, ms);
344 else if (tza < 0)
345 sprintf(buf, "%02d:%02d:%02d.%03d-%02d:%02d", H, M, S, ms, tzh, tzm);
346 else
347 sprintf(buf, "%02d:%02d:%02d.%03d+%02d:%02d", H, M, S, ms, tzh, tzm);
348 return buf;
349 }
350
fmtdatetime(char * buf,double t,double tza)351 static char *fmtdatetime(char *buf, double t, double tza)
352 {
353 char dbuf[20], tbuf[20];
354 if (!isfinite(t))
355 return "Invalid Date";
356 fmtdate(dbuf, t);
357 fmttime(tbuf, t, tza);
358 sprintf(buf, "%sT%s", dbuf, tbuf);
359 return buf;
360 }
361
362 /* Date functions */
363
js_todate(js_State * J,int idx)364 static double js_todate(js_State *J, int idx)
365 {
366 js_Object *self = js_toobject(J, idx);
367 if (self->type != JS_CDATE)
368 js_typeerror(J, "not a date");
369 return self->u.number;
370 }
371
js_setdate(js_State * J,int idx,double t)372 static void js_setdate(js_State *J, int idx, double t)
373 {
374 js_Object *self = js_toobject(J, idx);
375 if (self->type != JS_CDATE)
376 js_typeerror(J, "not a date");
377 self->u.number = TimeClip(t);
378 js_pushnumber(J, self->u.number);
379 }
380
D_parse(js_State * J)381 static void D_parse(js_State *J)
382 {
383 double t = parseDateTime(js_tostring(J, 1));
384 js_pushnumber(J, t);
385 }
386
D_UTC(js_State * J)387 static void D_UTC(js_State *J)
388 {
389 double y, m, d, H, M, S, ms, t;
390 y = js_tonumber(J, 1);
391 if (y < 100) y += 1900;
392 m = js_tonumber(J, 2);
393 d = js_optnumber(J, 3, 1);
394 H = js_optnumber(J, 4, 0);
395 M = js_optnumber(J, 5, 0);
396 S = js_optnumber(J, 6, 0);
397 ms = js_optnumber(J, 7, 0);
398 t = MakeDate(MakeDay(y, m, d), MakeTime(H, M, S, ms));
399 t = TimeClip(t);
400 js_pushnumber(J, t);
401 }
402
D_now(js_State * J)403 static void D_now(js_State *J)
404 {
405 js_pushnumber(J, Now());
406 }
407
jsB_Date(js_State * J)408 static void jsB_Date(js_State *J)
409 {
410 char buf[64];
411 js_pushstring(J, fmtdatetime(buf, LocalTime(Now()), LocalTZA()));
412 }
413
jsB_new_Date(js_State * J)414 static void jsB_new_Date(js_State *J)
415 {
416 int top = js_gettop(J);
417 js_Object *obj;
418 double t;
419
420 if (top == 1)
421 t = Now();
422 else if (top == 2) {
423 js_toprimitive(J, 1, JS_HNONE);
424 if (js_isstring(J, 1))
425 t = parseDateTime(js_tostring(J, 1));
426 else
427 t = TimeClip(js_tonumber(J, 1));
428 } else {
429 double y, m, d, H, M, S, ms;
430 y = js_tonumber(J, 1);
431 if (y < 100) y += 1900;
432 m = js_tonumber(J, 2);
433 d = js_optnumber(J, 3, 1);
434 H = js_optnumber(J, 4, 0);
435 M = js_optnumber(J, 5, 0);
436 S = js_optnumber(J, 6, 0);
437 ms = js_optnumber(J, 7, 0);
438 t = MakeDate(MakeDay(y, m, d), MakeTime(H, M, S, ms));
439 t = TimeClip(UTC(t));
440 }
441
442 obj = jsV_newobject(J, JS_CDATE, J->Date_prototype);
443 obj->u.number = t;
444
445 js_pushobject(J, obj);
446 }
447
Dp_valueOf(js_State * J)448 static void Dp_valueOf(js_State *J)
449 {
450 double t = js_todate(J, 0);
451 js_pushnumber(J, t);
452 }
453
Dp_toString(js_State * J)454 static void Dp_toString(js_State *J)
455 {
456 char buf[64];
457 double t = js_todate(J, 0);
458 js_pushstring(J, fmtdatetime(buf, LocalTime(t), LocalTZA()));
459 }
460
Dp_toDateString(js_State * J)461 static void Dp_toDateString(js_State *J)
462 {
463 char buf[64];
464 double t = js_todate(J, 0);
465 js_pushstring(J, fmtdate(buf, LocalTime(t)));
466 }
467
Dp_toTimeString(js_State * J)468 static void Dp_toTimeString(js_State *J)
469 {
470 char buf[64];
471 double t = js_todate(J, 0);
472 js_pushstring(J, fmttime(buf, LocalTime(t), LocalTZA()));
473 }
474
Dp_toUTCString(js_State * J)475 static void Dp_toUTCString(js_State *J)
476 {
477 char buf[64];
478 double t = js_todate(J, 0);
479 js_pushstring(J, fmtdatetime(buf, t, 0));
480 }
481
Dp_toISOString(js_State * J)482 static void Dp_toISOString(js_State *J)
483 {
484 char buf[64];
485 double t = js_todate(J, 0);
486 if (!isfinite(t))
487 js_rangeerror(J, "invalid date");
488 js_pushstring(J, fmtdatetime(buf, t, 0));
489 }
490
Dp_getFullYear(js_State * J)491 static void Dp_getFullYear(js_State *J)
492 {
493 double t = js_todate(J, 0);
494 js_pushnumber(J, YearFromTime(LocalTime(t)));
495 }
496
Dp_getMonth(js_State * J)497 static void Dp_getMonth(js_State *J)
498 {
499 double t = js_todate(J, 0);
500 js_pushnumber(J, MonthFromTime(LocalTime(t)));
501 }
502
Dp_getDate(js_State * J)503 static void Dp_getDate(js_State *J)
504 {
505 double t = js_todate(J, 0);
506 js_pushnumber(J, DateFromTime(LocalTime(t)));
507 }
508
Dp_getDay(js_State * J)509 static void Dp_getDay(js_State *J)
510 {
511 double t = js_todate(J, 0);
512 js_pushnumber(J, WeekDay(LocalTime(t)));
513 }
514
Dp_getHours(js_State * J)515 static void Dp_getHours(js_State *J)
516 {
517 double t = js_todate(J, 0);
518 js_pushnumber(J, HourFromTime(LocalTime(t)));
519 }
520
Dp_getMinutes(js_State * J)521 static void Dp_getMinutes(js_State *J)
522 {
523 double t = js_todate(J, 0);
524 js_pushnumber(J, MinFromTime(LocalTime(t)));
525 }
526
Dp_getSeconds(js_State * J)527 static void Dp_getSeconds(js_State *J)
528 {
529 double t = js_todate(J, 0);
530 js_pushnumber(J, SecFromTime(LocalTime(t)));
531 }
532
Dp_getMilliseconds(js_State * J)533 static void Dp_getMilliseconds(js_State *J)
534 {
535 double t = js_todate(J, 0);
536 js_pushnumber(J, msFromTime(LocalTime(t)));
537 }
538
Dp_getUTCFullYear(js_State * J)539 static void Dp_getUTCFullYear(js_State *J)
540 {
541 double t = js_todate(J, 0);
542 js_pushnumber(J, YearFromTime(t));
543 }
544
Dp_getUTCMonth(js_State * J)545 static void Dp_getUTCMonth(js_State *J)
546 {
547 double t = js_todate(J, 0);
548 js_pushnumber(J, MonthFromTime(t));
549 }
550
Dp_getUTCDate(js_State * J)551 static void Dp_getUTCDate(js_State *J)
552 {
553 double t = js_todate(J, 0);
554 js_pushnumber(J, DateFromTime(t));
555 }
556
Dp_getUTCDay(js_State * J)557 static void Dp_getUTCDay(js_State *J)
558 {
559 double t = js_todate(J, 0);
560 js_pushnumber(J, WeekDay(t));
561 }
562
Dp_getUTCHours(js_State * J)563 static void Dp_getUTCHours(js_State *J)
564 {
565 double t = js_todate(J, 0);
566 js_pushnumber(J, HourFromTime(t));
567 }
568
Dp_getUTCMinutes(js_State * J)569 static void Dp_getUTCMinutes(js_State *J)
570 {
571 double t = js_todate(J, 0);
572 js_pushnumber(J, MinFromTime(t));
573 }
574
Dp_getUTCSeconds(js_State * J)575 static void Dp_getUTCSeconds(js_State *J)
576 {
577 double t = js_todate(J, 0);
578 js_pushnumber(J, SecFromTime(t));
579 }
580
Dp_getUTCMilliseconds(js_State * J)581 static void Dp_getUTCMilliseconds(js_State *J)
582 {
583 double t = js_todate(J, 0);
584 js_pushnumber(J, msFromTime(t));
585 }
586
Dp_getTimezoneOffset(js_State * J)587 static void Dp_getTimezoneOffset(js_State *J)
588 {
589 double t = js_todate(J, 0);
590 js_pushnumber(J, (t - LocalTime(t)) / msPerMinute);
591 }
592
Dp_setTime(js_State * J)593 static void Dp_setTime(js_State *J)
594 {
595 js_setdate(J, 0, js_tonumber(J, 1));
596 }
597
Dp_setMilliseconds(js_State * J)598 static void Dp_setMilliseconds(js_State *J)
599 {
600 double t = LocalTime(js_todate(J, 0));
601 double h = HourFromTime(t);
602 double m = MinFromTime(t);
603 double s = SecFromTime(t);
604 double ms = js_tonumber(J, 1);
605 js_setdate(J, 0, UTC(MakeDate(Day(t), MakeTime(h, m, s, ms))));
606 }
607
Dp_setSeconds(js_State * J)608 static void Dp_setSeconds(js_State *J)
609 {
610 double t = LocalTime(js_todate(J, 0));
611 double h = HourFromTime(t);
612 double m = MinFromTime(t);
613 double s = js_tonumber(J, 1);
614 double ms = js_optnumber(J, 2, msFromTime(t));
615 js_setdate(J, 0, UTC(MakeDate(Day(t), MakeTime(h, m, s, ms))));
616 }
617
Dp_setMinutes(js_State * J)618 static void Dp_setMinutes(js_State *J)
619 {
620 double t = LocalTime(js_todate(J, 0));
621 double h = HourFromTime(t);
622 double m = js_tonumber(J, 1);
623 double s = js_optnumber(J, 2, SecFromTime(t));
624 double ms = js_optnumber(J, 3, msFromTime(t));
625 js_setdate(J, 0, UTC(MakeDate(Day(t), MakeTime(h, m, s, ms))));
626 }
627
Dp_setHours(js_State * J)628 static void Dp_setHours(js_State *J)
629 {
630 double t = LocalTime(js_todate(J, 0));
631 double h = js_tonumber(J, 1);
632 double m = js_optnumber(J, 2, HourFromTime(t));
633 double s = js_optnumber(J, 3, SecFromTime(t));
634 double ms = js_optnumber(J, 4, msFromTime(t));
635 js_setdate(J, 0, UTC(MakeDate(Day(t), MakeTime(h, m, s, ms))));
636 }
637
Dp_setDate(js_State * J)638 static void Dp_setDate(js_State *J)
639 {
640 double t = LocalTime(js_todate(J, 0));
641 double y = YearFromTime(t);
642 double m = MonthFromTime(t);
643 double d = js_tonumber(J, 1);
644 js_setdate(J, 0, UTC(MakeDate(MakeDay(y, m, d), TimeWithinDay(t))));
645 }
646
Dp_setMonth(js_State * J)647 static void Dp_setMonth(js_State *J)
648 {
649 double t = LocalTime(js_todate(J, 0));
650 double y = YearFromTime(t);
651 double m = js_tonumber(J, 1);
652 double d = js_optnumber(J, 3, DateFromTime(t));
653 js_setdate(J, 0, UTC(MakeDate(MakeDay(y, m, d), TimeWithinDay(t))));
654 }
655
Dp_setFullYear(js_State * J)656 static void Dp_setFullYear(js_State *J)
657 {
658 double t = LocalTime(js_todate(J, 0));
659 double y = js_tonumber(J, 1);
660 double m = js_optnumber(J, 2, MonthFromTime(t));
661 double d = js_optnumber(J, 3, DateFromTime(t));
662 js_setdate(J, 0, UTC(MakeDate(MakeDay(y, m, d), TimeWithinDay(t))));
663 }
664
Dp_setUTCMilliseconds(js_State * J)665 static void Dp_setUTCMilliseconds(js_State *J)
666 {
667 double t = js_todate(J, 0);
668 double h = HourFromTime(t);
669 double m = MinFromTime(t);
670 double s = SecFromTime(t);
671 double ms = js_tonumber(J, 1);
672 js_setdate(J, 0, MakeDate(Day(t), MakeTime(h, m, s, ms)));
673 }
674
Dp_setUTCSeconds(js_State * J)675 static void Dp_setUTCSeconds(js_State *J)
676 {
677 double t = js_todate(J, 0);
678 double h = HourFromTime(t);
679 double m = MinFromTime(t);
680 double s = js_tonumber(J, 1);
681 double ms = js_optnumber(J, 2, msFromTime(t));
682 js_setdate(J, 0, MakeDate(Day(t), MakeTime(h, m, s, ms)));
683 }
684
Dp_setUTCMinutes(js_State * J)685 static void Dp_setUTCMinutes(js_State *J)
686 {
687 double t = js_todate(J, 0);
688 double h = HourFromTime(t);
689 double m = js_tonumber(J, 1);
690 double s = js_optnumber(J, 2, SecFromTime(t));
691 double ms = js_optnumber(J, 3, msFromTime(t));
692 js_setdate(J, 0, MakeDate(Day(t), MakeTime(h, m, s, ms)));
693 }
694
Dp_setUTCHours(js_State * J)695 static void Dp_setUTCHours(js_State *J)
696 {
697 double t = js_todate(J, 0);
698 double h = js_tonumber(J, 1);
699 double m = js_optnumber(J, 2, HourFromTime(t));
700 double s = js_optnumber(J, 3, SecFromTime(t));
701 double ms = js_optnumber(J, 4, msFromTime(t));
702 js_setdate(J, 0, MakeDate(Day(t), MakeTime(h, m, s, ms)));
703 }
704
Dp_setUTCDate(js_State * J)705 static void Dp_setUTCDate(js_State *J)
706 {
707 double t = js_todate(J, 0);
708 double y = YearFromTime(t);
709 double m = MonthFromTime(t);
710 double d = js_tonumber(J, 1);
711 js_setdate(J, 0, MakeDate(MakeDay(y, m, d), TimeWithinDay(t)));
712 }
713
Dp_setUTCMonth(js_State * J)714 static void Dp_setUTCMonth(js_State *J)
715 {
716 double t = js_todate(J, 0);
717 double y = YearFromTime(t);
718 double m = js_tonumber(J, 1);
719 double d = js_optnumber(J, 3, DateFromTime(t));
720 js_setdate(J, 0, MakeDate(MakeDay(y, m, d), TimeWithinDay(t)));
721 }
722
Dp_setUTCFullYear(js_State * J)723 static void Dp_setUTCFullYear(js_State *J)
724 {
725 double t = js_todate(J, 0);
726 double y = js_tonumber(J, 1);
727 double m = js_optnumber(J, 2, MonthFromTime(t));
728 double d = js_optnumber(J, 3, DateFromTime(t));
729 js_setdate(J, 0, MakeDate(MakeDay(y, m, d), TimeWithinDay(t)));
730 }
731
Dp_toJSON(js_State * J)732 static void Dp_toJSON(js_State *J)
733 {
734 js_copy(J, 0);
735 js_toprimitive(J, -1, JS_HNUMBER);
736 if (js_isnumber(J, -1) && !isfinite(js_tonumber(J, -1))) {
737 js_pushnull(J);
738 return;
739 }
740 js_pop(J, 1);
741
742 js_getproperty(J, 0, "toISOString");
743 if (!js_iscallable(J, -1))
744 js_typeerror(J, "Date.prototype.toJSON: this.toISOString not a function");
745 js_copy(J, 0);
746 js_call(J, 0);
747 }
748
jsB_initdate(js_State * J)749 void jsB_initdate(js_State *J)
750 {
751 J->Date_prototype->u.number = 0;
752
753 js_pushobject(J, J->Date_prototype);
754 {
755 jsB_propf(J, "Date.prototype.valueOf", Dp_valueOf, 0);
756 jsB_propf(J, "Date.prototype.toString", Dp_toString, 0);
757 jsB_propf(J, "Date.prototype.toDateString", Dp_toDateString, 0);
758 jsB_propf(J, "Date.prototype.toTimeString", Dp_toTimeString, 0);
759 jsB_propf(J, "Date.prototype.toLocaleString", Dp_toString, 0);
760 jsB_propf(J, "Date.prototype.toLocaleDateString", Dp_toDateString, 0);
761 jsB_propf(J, "Date.prototype.toLocaleTimeString", Dp_toTimeString, 0);
762 jsB_propf(J, "Date.prototype.toUTCString", Dp_toUTCString, 0);
763
764 jsB_propf(J, "Date.prototype.getTime", Dp_valueOf, 0);
765 jsB_propf(J, "Date.prototype.getFullYear", Dp_getFullYear, 0);
766 jsB_propf(J, "Date.prototype.getUTCFullYear", Dp_getUTCFullYear, 0);
767 jsB_propf(J, "Date.prototype.getMonth", Dp_getMonth, 0);
768 jsB_propf(J, "Date.prototype.getUTCMonth", Dp_getUTCMonth, 0);
769 jsB_propf(J, "Date.prototype.getDate", Dp_getDate, 0);
770 jsB_propf(J, "Date.prototype.getUTCDate", Dp_getUTCDate, 0);
771 jsB_propf(J, "Date.prototype.getDay", Dp_getDay, 0);
772 jsB_propf(J, "Date.prototype.getUTCDay", Dp_getUTCDay, 0);
773 jsB_propf(J, "Date.prototype.getHours", Dp_getHours, 0);
774 jsB_propf(J, "Date.prototype.getUTCHours", Dp_getUTCHours, 0);
775 jsB_propf(J, "Date.prototype.getMinutes", Dp_getMinutes, 0);
776 jsB_propf(J, "Date.prototype.getUTCMinutes", Dp_getUTCMinutes, 0);
777 jsB_propf(J, "Date.prototype.getSeconds", Dp_getSeconds, 0);
778 jsB_propf(J, "Date.prototype.getUTCSeconds", Dp_getUTCSeconds, 0);
779 jsB_propf(J, "Date.prototype.getMilliseconds", Dp_getMilliseconds, 0);
780 jsB_propf(J, "Date.prototype.getUTCMilliseconds", Dp_getUTCMilliseconds, 0);
781 jsB_propf(J, "Date.prototype.getTimezoneOffset", Dp_getTimezoneOffset, 0);
782
783 jsB_propf(J, "Date.prototype.setTime", Dp_setTime, 1);
784 jsB_propf(J, "Date.prototype.setMilliseconds", Dp_setMilliseconds, 1);
785 jsB_propf(J, "Date.prototype.setUTCMilliseconds", Dp_setUTCMilliseconds, 1);
786 jsB_propf(J, "Date.prototype.setSeconds", Dp_setSeconds, 2);
787 jsB_propf(J, "Date.prototype.setUTCSeconds", Dp_setUTCSeconds, 2);
788 jsB_propf(J, "Date.prototype.setMinutes", Dp_setMinutes, 3);
789 jsB_propf(J, "Date.prototype.setUTCMinutes", Dp_setUTCMinutes, 3);
790 jsB_propf(J, "Date.prototype.setHours", Dp_setHours, 4);
791 jsB_propf(J, "Date.prototype.setUTCHours", Dp_setUTCHours, 4);
792 jsB_propf(J, "Date.prototype.setDate", Dp_setDate, 1);
793 jsB_propf(J, "Date.prototype.setUTCDate", Dp_setUTCDate, 1);
794 jsB_propf(J, "Date.prototype.setMonth", Dp_setMonth, 2);
795 jsB_propf(J, "Date.prototype.setUTCMonth", Dp_setUTCMonth, 2);
796 jsB_propf(J, "Date.prototype.setFullYear", Dp_setFullYear, 3);
797 jsB_propf(J, "Date.prototype.setUTCFullYear", Dp_setUTCFullYear, 3);
798
799 /* ES5 */
800 jsB_propf(J, "Date.prototype.toISOString", Dp_toISOString, 0);
801 jsB_propf(J, "Date.prototype.toJSON", Dp_toJSON, 1);
802 }
803 js_newcconstructor(J, jsB_Date, jsB_new_Date, "Date", 0); /* 1 */
804 {
805 jsB_propf(J, "Date.parse", D_parse, 1);
806 jsB_propf(J, "Date.UTC", D_UTC, 7);
807
808 /* ES5 */
809 jsB_propf(J, "Date.now", D_now, 0);
810 }
811 js_defglobal(J, "Date", JS_DONTENUM);
812 }
813