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ctype 'lalpha' includes '_' (as '_' behaves as a letter from the

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point of view of Lua)
This commit is contained in:
Roberto Ierusalimschy
2009-03-11 10:27:32 -03:00
parent 6427c61e7c
commit 6ffcf21367
3 changed files with 11 additions and 9 deletions
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8
lctype.h
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@@ -1,5 +1,5 @@
/*
** $Id: lctype.h,v 1.2 2009/02/20 13:11:15 roberto Exp roberto $
** $Id: lctype.h,v 1.3 2009/03/10 17:42:33 roberto Exp roberto $
** 'ctype' functions for Lua
** See Copyright Notice in lua.h
*/
@@ -23,8 +23,10 @@
#define MASK(B) (1 << (B))
#define lisalpha(x) (luai_ctype_[x] & MASK(ALPHABIT))
#define lisalnum(x) (luai_ctype_[x] & (MASK(ALPHABIT) | MASK(DIGITBIT)))
/* 'lalpha' (Lua alphabetic) includes '_' */
#define lislalpha(x) (luai_ctype_[x] & MASK(ALPHABIT))
/* ditto */
#define lislalnum(x) (luai_ctype_[x] & (MASK(ALPHABIT) | MASK(DIGITBIT)))
#define lisdigit(x) (luai_ctype_[x] & MASK(DIGITBIT))
#define lisspace(x) (luai_ctype_[x] & MASK(SPACEBIT))
#define lisprint(x) (luai_ctype_[x] & MASK(PRINTBIT))