xref: /titanic_52/usr/src/cmd/csh/sh.char.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
3*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
4*7c478bd9Sstevel@tonic-gate  */
5*7c478bd9Sstevel@tonic-gate 
6*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
7*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
8*7c478bd9Sstevel@tonic-gate 
9*7c478bd9Sstevel@tonic-gate /*
10*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
11*7c478bd9Sstevel@tonic-gate  * All rights reserved.  The Berkeley Software License Agreement
12*7c478bd9Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
13*7c478bd9Sstevel@tonic-gate  */
14*7c478bd9Sstevel@tonic-gate 
15*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
16*7c478bd9Sstevel@tonic-gate 
17*7c478bd9Sstevel@tonic-gate /*
18*7c478bd9Sstevel@tonic-gate  * Macros to classify characters.
19*7c478bd9Sstevel@tonic-gate  */
20*7c478bd9Sstevel@tonic-gate 
21*7c478bd9Sstevel@tonic-gate #ifdef MBCHAR
22*7c478bd9Sstevel@tonic-gate #include <wchar.h>
23*7c478bd9Sstevel@tonic-gate #include <wctype.h>
24*7c478bd9Sstevel@tonic-gate #define	isauxspZ	(!isascii(Z)&&!(Z&QUOTE)&&iswspace(Z))
25*7c478bd9Sstevel@tonic-gate #define	isauxsp(c) 	(Z=((unsigned)(c)), isauxspZ)
26*7c478bd9Sstevel@tonic-gate /* Regocnizes non-ASCII space characters. */
27*7c478bd9Sstevel@tonic-gate #else
28*7c478bd9Sstevel@tonic-gate #include <ctype.h>
29*7c478bd9Sstevel@tonic-gate /* macros of macros to reduce further #ifdef MBCHAR later. Please be patient!*/
30*7c478bd9Sstevel@tonic-gate #define	iswdigit(c)	isdigit(c)
31*7c478bd9Sstevel@tonic-gate #define	iswalpha(c)	isalpha(c)
32*7c478bd9Sstevel@tonic-gate #define	isphonogram(c)	0
33*7c478bd9Sstevel@tonic-gate #define	isideogram(c)	0
34*7c478bd9Sstevel@tonic-gate #define	isauxsp(c) 	0
35*7c478bd9Sstevel@tonic-gate #define	isauxspZ 	0
36*7c478bd9Sstevel@tonic-gate #endif
37*7c478bd9Sstevel@tonic-gate extern unsigned short _cmap[];/* Defined in sh.char.c */
38*7c478bd9Sstevel@tonic-gate unsigned int	Z; 	/* A place to save macro arg to avoid side-effect!*/
39*7c478bd9Sstevel@tonic-gate 
40*7c478bd9Sstevel@tonic-gate #define _Q	0x01		/* '" */
41*7c478bd9Sstevel@tonic-gate #define _Q1	0x02		/* ` */
42*7c478bd9Sstevel@tonic-gate #define _SP	0x04		/* space and tab */
43*7c478bd9Sstevel@tonic-gate #define _NL	0x08		/* \n */
44*7c478bd9Sstevel@tonic-gate #define _META	0x10		/* lex meta characters, sp #'`";&<>()|\t\n */
45*7c478bd9Sstevel@tonic-gate #define _GLOB	0x20		/* glob characters, *?{[` */
46*7c478bd9Sstevel@tonic-gate #define _ESC	0x40		/* \ */
47*7c478bd9Sstevel@tonic-gate #define _DOL	0x80		/* $ */
48*7c478bd9Sstevel@tonic-gate #define _DIG    0x100		/* 0-9 */
49*7c478bd9Sstevel@tonic-gate #define _LET    0x200		/* a-z, A-Z, _ 	NO LONGER OF REAL USE. */
50*7c478bd9Sstevel@tonic-gate 
51*7c478bd9Sstevel@tonic-gate 
52*7c478bd9Sstevel@tonic-gate #define quoted(c)     ((unsigned)(c) & QUOTE)
53*7c478bd9Sstevel@tonic-gate 
54*7c478bd9Sstevel@tonic-gate #define	cmapZ(bits)	(isascii(Z)?(_cmap[Z] & (bits)):0)
55*7c478bd9Sstevel@tonic-gate #define cmap(c, bits)	(Z=((unsigned)(c)), cmapZ(bits))
56*7c478bd9Sstevel@tonic-gate 
57*7c478bd9Sstevel@tonic-gate #define isglob(c)	cmap(c, _GLOB)
58*7c478bd9Sstevel@tonic-gate #define ismeta(c)	cmap(c, _META)
59*7c478bd9Sstevel@tonic-gate #define digit(c)	cmap(c, _DIG)
60*7c478bd9Sstevel@tonic-gate #define issp(c)		(Z=((unsigned)(c)), cmapZ( _SP)||isauxspZ)
61*7c478bd9Sstevel@tonic-gate /*WAS isspace(c)*/
62*7c478bd9Sstevel@tonic-gate #define isspnl(c)	(Z=((unsigned)(c)), cmapZ( _SP|_NL)||isauxspZ)
63*7c478bd9Sstevel@tonic-gate #define letter(c)	\
64*7c478bd9Sstevel@tonic-gate 	(Z=((unsigned)(c)), !quoted(Z)&&(iswalpha(Z)||((Z)=='_')\
65*7c478bd9Sstevel@tonic-gate 	||isphonogram(Z)||isideogram(Z)))
66*7c478bd9Sstevel@tonic-gate #define alnum(c)	\
67*7c478bd9Sstevel@tonic-gate 	(Z=((unsigned)(c)), !quoted(Z)&&(iswalpha(Z)||((Z)=='_')\
68*7c478bd9Sstevel@tonic-gate 	||iswdigit(Z)||isphonogram(Z)||isideogram(Z)))
69