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Simplify the implementation of POSIX langinfo for Linux:

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No need for the enum runtime checks. Constant values were set manually
and comments were added to help locate their origin.
This commit is contained in:
Isaac Andrade
2024-08-30 20:34:12 -06:00
parent 575aedc3bf
commit 186565b0c1
1 changed files with 69 additions and 162 deletions
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231
core/sys/posix/langinfo.odin
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@@ -282,180 +282,87 @@ when ODIN_OS == .Darwin || ODIN_OS == .FreeBSD {
} else when ODIN_OS == .Linux {
@(private="file")
nl_item :: proc(flag: int) -> int {
return flag << 16
}
@(private="file")
_langinfo_values :: enum {
ABDAY_1 = nl_item(LC_TIME),
ABDAY_2,
ABDAY_3,
ABDAY_4,
ABDAY_5,
ABDAY_6,
ABDAY_7,
DAY_1,
DAY_2,
DAY_3,
DAY_4,
DAY_5,
DAY_6,
DAY_7,
ABMON_1,
ABMON_2,
ABMON_3,
ABMON_4,
ABMON_5,
ABMON_6,
ABMON_7,
ABMON_8,
ABMON_9,
ABMON_10,
ABMON_11,
ABMON_12,
MON_1,
MON_2,
MON_3,
MON_4,
MON_5,
MON_6,
MON_7,
MON_8,
MON_9,
MON_10,
MON_11,
MON_12,
AM_STR,
PM_STR,
D_T_FMT,
D_FMT,
T_FMT,
T_FMT_AMPM,
ERA,
_,
ERA_D_FMT,
ALT_DIGITS,
ERA_D_T_FMT,
ERA_T_FMT,
// These values are defined only to make sure CODESET below gets the correct value.
_NL_CTYPE_CLASS = nl_item(LC_CTYPE),
_NL_CTYPE_TOUPPER,
_NL_CTYPE_GAP1,
_NL_CTYPE_TOLOWER,
_NL_CTYPE_GAP2,
_NL_CTYPE_CLASS32,
_NL_CTYPE_GAP3,
_NL_CTYPE_GAP4,
_NL_CTYPE_GAP5,
_NL_CTYPE_GAP6,
_NL_CTYPE_CLASS_NAMES,
_NL_CTYPE_MAP_NAMES,
_NL_CTYPE_WIDTH,
_NL_CTYPE_MB_CUR_MAX,
CODESET,
// These values are defined only to make sure CRNCYSTR below gets the correct value.
__INT_CURR_SYMBOL = nl_item(LC_MONETARY),
__CURRENCY_SYMBOL,
__MON_DECIMAL_POINT,
__MON_THOUSANDS_SEP,
__MON_GROUPING,
__POSITIVE_SIGN,
__NEGATIVE_SIGN,
__INT_FRAC_DIGITS,
__FRAC_DIGITS,
__P_CS_PRECEDES,
__P_SEP_BY_SPACE,
__N_CS_PRECEDES,
__N_SEP_BY_SPACE,
__P_SIGN_POSN,
__N_SIGN_POSN,
CRNCYSTR,
RADIXCHAR = nl_item(LC_NUMERIC),
THOUSEP,
YESEXPR = nl_item(LC_MESSAGES),
NOEXPR,
}
// NOTE: declared with `_t` so we can enumerate the real `nl_info`.
// NOTE: declared with `_t` so we can enumerate the real `nl_info`.
nl_item_t :: distinct c.int
ABDAY_1 :: _langinfo_values.ABDAY_1
ABDAY_2 :: _langinfo_values.ABDAY_2
ABDAY_3 :: _langinfo_values.ABDAY_3
ABDAY_4 :: _langinfo_values.ABDAY_4
ABDAY_5 :: _langinfo_values.ABDAY_5
ABDAY_6 :: _langinfo_values.ABDAY_6
ABDAY_7 :: _langinfo_values.ABDAY_7
// NOTE: All these values are set in an enum on the Linux implementation.
// Some depend on locale.h contants (bits/locale.h to be precise).
DAY_1 :: _langinfo_values.DAY_1
DAY_2 :: _langinfo_values.DAY_2
DAY_3 :: _langinfo_values.DAY_3
DAY_4 :: _langinfo_values.DAY_4
DAY_5 :: _langinfo_values.DAY_5
DAY_6 :: _langinfo_values.DAY_6
DAY_7 :: _langinfo_values.DAY_7
// NOTE: ABDAY_1 is set to LC_TIME << 16 (LC_TIME is 2) on the enum group of
// the Linux implementation.
ABDAY_1 :: 0x20_000
ABDAY_2 :: 0x20_001
ABDAY_3 :: 0x20_002
ABDAY_4 :: 0x20_003
ABDAY_5 :: 0x20_004
ABDAY_6 :: 0x20_005
ABDAY_7 :: 0x20_006
ABMON_1 :: _langinfo_values.ABMON_1
ABMON_2 :: _langinfo_values.ABMON_2
ABMON_3 :: _langinfo_values.ABMON_3
ABMON_4 :: _langinfo_values.ABMON_4
ABMON_5 :: _langinfo_values.ABMON_5
ABMON_6 :: _langinfo_values.ABMON_6
ABMON_7 :: _langinfo_values.ABMON_7
ABMON_8 :: _langinfo_values.ABMON_8
ABMON_9 :: _langinfo_values.ABMON_9
ABMON_10 :: _langinfo_values.ABMON_10
ABMON_11 :: _langinfo_values.ABMON_11
ABMON_12 :: _langinfo_values.ABMON_12
DAY_1 :: 0x20_007
DAY_2 :: 0x20_008
DAY_3 :: 0x20_009
DAY_4 :: 0x20_010
DAY_5 :: 0x20_011
DAY_6 :: 0x20_012
DAY_7 :: 0x20_013
MON_1 :: _langinfo_values.MON_1
MON_2 :: _langinfo_values.MON_2
MON_3 :: _langinfo_values.MON_3
MON_4 :: _langinfo_values.MON_4
MON_5 :: _langinfo_values.MON_5
MON_6 :: _langinfo_values.MON_6
MON_7 :: _langinfo_values.MON_7
MON_8 :: _langinfo_values.MON_8
MON_9 :: _langinfo_values.MON_9
MON_10 :: _langinfo_values.MON_10
MON_11 :: _langinfo_values.MON_11
MON_12 :: _langinfo_values.MON_12
ABMON_1 :: 0x20_014
ABMON_2 :: 0x20_015
ABMON_3 :: 0x20_016
ABMON_4 :: 0x20_017
ABMON_5 :: 0x20_018
ABMON_6 :: 0x20_019
ABMON_7 :: 0x20_020
ABMON_8 :: 0x20_021
ABMON_9 :: 0x20_022
ABMON_10 :: 0x20_023
ABMON_11 :: 0x20_024
ABMON_12 :: 0x20_025
AM_STR :: _langinfo_values.AM_STR
PM_STR :: _langinfo_values.PM_STR
MON_1 :: 0x20_026
MON_2 :: 0x20_027
MON_3 :: 0x20_028
MON_4 :: 0x20_029
MON_5 :: 0x20_030
MON_6 :: 0x20_031
MON_7 :: 0x20_032
MON_8 :: 0x20_033
MON_9 :: 0x20_034
MON_10 :: 0x20_035
MON_11 :: 0x20_036
MON_12 :: 0x20_037
D_T_FMT :: _langinfo_values.D_T_FMT
D_FMT :: _langinfo_values.D_FMT
T_FMT :: _langinfo_values.T_FMT
T_FMT_AMPM :: _langinfo_values.T_FMT_AMPM
AM_STR :: 0x20_038
PM_STR :: 0x20_039
ERA :: _langinfo_values.ERA
ERA_D_FMT :: _langinfo_values.ERA_D_FMT
ALT_DIGITS :: _langinfo_values.ALT_DIGITS
ERA_D_T_FMT :: _langinfo_values.ERA_D_T_FMT
ERA_T_FMT :: _langinfo_values.ERA_T_FMT
D_T_FMT :: 0x20_040
D_FMT :: 0x20_041
T_FMT :: 0x20_042
T_FMT_AMPM :: 0x20_043
CODESET :: _langinfo_values.CODESET
ERA :: 0x20_044
ERA_D_FMT :: 0x20_045
ALT_DIGITS :: 0x20_046
ERA_D_T_FMT :: 0x20_047
ERA_T_FMT :: 0x20_048
CRNCYSTR :: _langinfo_values.CRNCYSTR
// NOTE: CODESET is the 16th member of the enum group starting with value
// LC_CTYPE << 16, LC_CTYPE is 0.
CODESET :: 0x15
RADIXCHAR :: _langinfo_values.RADIXCHAR
THOUSEP :: _langinfo_values.THOUSEP
// NOTE: CRNCYSTR is the 16th member of the enum group starting with value
// LC_MONETARY << 16, LC_MONETARY is 4.
CRNCYSTR :: 0x40_000
YESEXP :: _langinfo_values.YESEXP
NOEXPR :: _langinfo_values.NOEXPR
// NOTE: RADIXCHAR is the 1st member of the enum group starting with value
// LC_NUMERIC << 16, LC_NUMERIC is 1.
RADIXCHAR :: 0x10_000
THOUSEP :: 0x10_001
// NOTE: YESEXPR is the 1st member of the enum group starting with value
// LC_MESSAGES << 16, LC_MESSAGES is 5.
YESEXPR :: 0x50_000
NOEXPR :: 0x50_001
} else {
#panic("posix is unimplemented for the current target")