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lib/JavaScript/Embedded/C/lib/duktape.h  view on Meta::CPAN

 *  your own platform specific Date provider, see doc/datetime.rst.
 */

/* Millisecond count constants. */
#define DUK_DATE_MSEC_SECOND          1000L
#define DUK_DATE_MSEC_MINUTE          (60L * 1000L)
#define DUK_DATE_MSEC_HOUR            (60L * 60L * 1000L)
#define DUK_DATE_MSEC_DAY             (24L * 60L * 60L * 1000L)

/* ECMAScript date range is 100 million days from Epoch:
 * > 100e6 * 24 * 60 * 60 * 1000  // 100M days in millisecs
 * 8640000000000000
 * (= 8.64e15)
 */
#define DUK_DATE_MSEC_100M_DAYS         (8.64e15)
#define DUK_DATE_MSEC_100M_DAYS_LEEWAY  (8.64e15 + 24 * 3600e3)

/* ECMAScript year range:
 * > new Date(100e6 * 24 * 3600e3).toISOString()
 * '+275760-09-13T00:00:00.000Z'
 * > new Date(-100e6 * 24 * 3600e3).toISOString()
 * '-271821-04-20T00:00:00.000Z'
 */
#define DUK_DATE_MIN_ECMA_YEAR     (-271821L)
#define DUK_DATE_MAX_ECMA_YEAR     275760L

/* Part indices for internal breakdowns.  Part order from DUK_DATE_IDX_YEAR
 * to DUK_DATE_IDX_MILLISECOND matches argument ordering of ECMAScript API
 * calls (like Date constructor call).  Some functions in duk_bi_date.c
 * depend on the specific ordering, so change with care.  16 bits are not
 * enough for all parts (year, specifically).
 *
 * Must be in-sync with genbuiltins.py.
 */
#define DUK_DATE_IDX_YEAR           0  /* year */
#define DUK_DATE_IDX_MONTH          1  /* month: 0 to 11 */
#define DUK_DATE_IDX_DAY            2  /* day within month: 0 to 30 */
#define DUK_DATE_IDX_HOUR           3
#define DUK_DATE_IDX_MINUTE         4
#define DUK_DATE_IDX_SECOND         5
#define DUK_DATE_IDX_MILLISECOND    6
#define DUK_DATE_IDX_WEEKDAY        7  /* weekday: 0 to 6, 0=sunday, 1=monday, etc */
#define DUK_DATE_IDX_NUM_PARTS      8

/* Internal API call flags, used for various functions in duk_bi_date.c.
 * Certain flags are used by only certain functions, but since the flags
 * don't overlap, a single flags value can be passed around to multiple
 * functions.
 *
 * The unused top bits of the flags field are also used to pass values
 * to helpers (duk__get_part_helper() and duk__set_part_helper()).
 *
 * Must be in-sync with genbuiltins.py.
 */

/* NOTE: when writing a Date provider you only need a few specific
 * flags from here, the rest are internal.  Avoid using anything you
 * don't need.
 */

#define DUK_DATE_FLAG_NAN_TO_ZERO          (1 << 0)  /* timeval breakdown: internal time value NaN -> zero */
#define DUK_DATE_FLAG_NAN_TO_RANGE_ERROR   (1 << 1)  /* timeval breakdown: internal time value NaN -> RangeError (toISOString) */
#define DUK_DATE_FLAG_ONEBASED             (1 << 2)  /* timeval breakdown: convert month and day-of-month parts to one-based (default is zero-based) */
#define DUK_DATE_FLAG_EQUIVYEAR            (1 << 3)  /* timeval breakdown: replace year with equivalent year in the [1971,2037] range for DST calculations */
#define DUK_DATE_FLAG_LOCALTIME            (1 << 4)  /* convert time value to local time */
#define DUK_DATE_FLAG_SUB1900              (1 << 5)  /* getter: subtract 1900 from year when getting year part */
#define DUK_DATE_FLAG_TOSTRING_DATE        (1 << 6)  /* include date part in string conversion result */
#define DUK_DATE_FLAG_TOSTRING_TIME        (1 << 7)  /* include time part in string conversion result */
#define DUK_DATE_FLAG_TOSTRING_LOCALE      (1 << 8)  /* use locale specific formatting if available */
#define DUK_DATE_FLAG_TIMESETTER           (1 << 9)  /* setter: call is a time setter (affects hour, min, sec, ms); otherwise date setter (affects year, month, day-in-month) */
#define DUK_DATE_FLAG_YEAR_FIXUP           (1 << 10) /* setter: perform 2-digit year fixup (00...99 -> 1900...1999) */
#define DUK_DATE_FLAG_SEP_T                (1 << 11) /* string conversion: use 'T' instead of ' ' as a separator */
#define DUK_DATE_FLAG_VALUE_SHIFT          12        /* additional values begin at bit 12 */

/*
 *  ROM pointer compression
 */

/* Support array for ROM pointer compression.  Only declared when ROM
 * pointer compression is active.
 */
#if defined(DUK_USE_ROM_OBJECTS) && defined(DUK_USE_HEAPPTR16)
DUK_EXTERNAL_DECL const void * const duk_rom_compressed_pointers[];
#endif

/*
 *  C++ name mangling
 */

#if defined(__cplusplus)
/* end 'extern "C"' wrapper */
}
#endif

/*
 *  END PUBLIC API
 */

#endif  /* DUKTAPE_H_INCLUDED */