lctype.h File Reference

#include "lua.h"
#include <limits.h>
#include "llimits.h"

Include dependency graph for lctype.h:

Go to the source code of this file.

Macros
#define	LUA_USE_CTYPE   0
#define	ALPHABIT   0
#define	DIGITBIT   1
#define	PRINTBIT   2
#define	SPACEBIT   3
#define	XDIGITBIT   4
#define	MASK(B)   (1 << (B))
#define	testprop(c, p)   (luai_ctype_[(c)+1] & (p))
#define	lislalpha(c)   testprop(c, MASK(ALPHABIT))
#define	lislalnum(c)   testprop(c, (MASK(ALPHABIT) | MASK(DIGITBIT)))
#define	lisdigit(c)   testprop(c, MASK(DIGITBIT))
#define	lisspace(c)   testprop(c, MASK(SPACEBIT))
#define	lisprint(c)   testprop(c, MASK(PRINTBIT))
#define	lisxdigit(c)   testprop(c, MASK(XDIGITBIT))
#define	ltolower(c)   ((c) | ('A' ^ 'a'))

Variables
const lu_byte	luai_ctype_ [UCHAR_MAX+2]

Macro Definition Documentation

ALPHABIT

#define ALPHABIT   0

Definition at line 39 of file lctype.h.

DIGITBIT

#define DIGITBIT   1

Definition at line 40 of file lctype.h.

lisdigit

#define lisdigit

(

c

)

testprop(c, MASK(DIGITBIT))

Definition at line 59 of file lctype.h.

lislalnum

#define lislalnum

(

c

)

testprop(c, (MASK(ALPHABIT) | MASK(DIGITBIT)))

Definition at line 58 of file lctype.h.

lislalpha

#define lislalpha

(

c

)

testprop(c, MASK(ALPHABIT))

Definition at line 57 of file lctype.h.

lisprint

#define lisprint

(

c

)

testprop(c, MASK(PRINTBIT))

Definition at line 61 of file lctype.h.

lisspace

#define lisspace

(

c

)

testprop(c, MASK(SPACEBIT))

Definition at line 60 of file lctype.h.

lisxdigit

#define lisxdigit

(

c

)

testprop(c, MASK(XDIGITBIT))

Definition at line 62 of file lctype.h.

ltolower

#define ltolower

(

c

)

((c) | ('A' ^ 'a'))

Definition at line 67 of file lctype.h.

LUA_USE_CTYPE

#define LUA_USE_CTYPE   0

Definition at line 23 of file lctype.h.

MASK

#define MASK

(

B

)

(1 << (B))

Definition at line 46 of file lctype.h.

PRINTBIT

#define PRINTBIT   2

Definition at line 41 of file lctype.h.

SPACEBIT

#define SPACEBIT   3

Definition at line 42 of file lctype.h.

testprop

#define testprop	(		c,
			p
	)		(luai_ctype_[(c)+1] & (p))

Definition at line 52 of file lctype.h.

XDIGITBIT

#define XDIGITBIT   4

Definition at line 43 of file lctype.h.

Variable Documentation

luai_ctype_

const lu_byte luai_ctype_[UCHAR_MAX+2]

extern