diff options
Diffstat (limited to '3rdparty/lua/src/lj_char.h')
| -rw-r--r-- | 3rdparty/lua/src/lj_char.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/3rdparty/lua/src/lj_char.h b/3rdparty/lua/src/lj_char.h new file mode 100644 index 0000000..c3c86d3 --- /dev/null +++ b/3rdparty/lua/src/lj_char.h @@ -0,0 +1,42 @@ +/* +** Character types. +** Donated to the public domain. +*/ + +#ifndef _LJ_CHAR_H +#define _LJ_CHAR_H + +#include "lj_def.h" + +#define LJ_CHAR_CNTRL 0x01 +#define LJ_CHAR_SPACE 0x02 +#define LJ_CHAR_PUNCT 0x04 +#define LJ_CHAR_DIGIT 0x08 +#define LJ_CHAR_XDIGIT 0x10 +#define LJ_CHAR_UPPER 0x20 +#define LJ_CHAR_LOWER 0x40 +#define LJ_CHAR_IDENT 0x80 +#define LJ_CHAR_ALPHA (LJ_CHAR_LOWER|LJ_CHAR_UPPER) +#define LJ_CHAR_ALNUM (LJ_CHAR_ALPHA|LJ_CHAR_DIGIT) +#define LJ_CHAR_GRAPH (LJ_CHAR_ALNUM|LJ_CHAR_PUNCT) + +/* Only pass -1 or 0..255 to these macros. Never pass a signed char! */ +#define lj_char_isa(c, t) ((lj_char_bits+1)[(c)] & t) +#define lj_char_iscntrl(c) lj_char_isa((c), LJ_CHAR_CNTRL) +#define lj_char_isspace(c) lj_char_isa((c), LJ_CHAR_SPACE) +#define lj_char_ispunct(c) lj_char_isa((c), LJ_CHAR_PUNCT) +#define lj_char_isdigit(c) lj_char_isa((c), LJ_CHAR_DIGIT) +#define lj_char_isxdigit(c) lj_char_isa((c), LJ_CHAR_XDIGIT) +#define lj_char_isupper(c) lj_char_isa((c), LJ_CHAR_UPPER) +#define lj_char_islower(c) lj_char_isa((c), LJ_CHAR_LOWER) +#define lj_char_isident(c) lj_char_isa((c), LJ_CHAR_IDENT) +#define lj_char_isalpha(c) lj_char_isa((c), LJ_CHAR_ALPHA) +#define lj_char_isalnum(c) lj_char_isa((c), LJ_CHAR_ALNUM) +#define lj_char_isgraph(c) lj_char_isa((c), LJ_CHAR_GRAPH) + +#define lj_char_toupper(c) ((c) - (lj_char_islower(c) >> 1)) +#define lj_char_tolower(c) ((c) + lj_char_isupper(c)) + +LJ_DATA const uint8_t lj_char_bits[257]; + +#endif |