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1/* <ctype.h> replacement macros.
2
3 Copyright (C) 2000 Free Software Foundation, Inc.
4 Contributed by Zack Weinberg <zackw@stanford.edu>.
5
6This file is part of the libiberty library.
7Libiberty is free software; you can redistribute it and/or
8modify it under the terms of the GNU Library General Public
9License as published by the Free Software Foundation; either
10version 2 of the License, or (at your option) any later version.
11
12Libiberty is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15Library General Public License for more details.
16
17You should have received a copy of the GNU Library General Public
18License along with libiberty; see the file COPYING.LIB. If
19not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA. */
21
22/* This is a compatible replacement of the standard C library's <ctype.h>
23 with the following properties:
24
25 - Implements all isxxx() macros required by C99.
26 - Also implements some character classes useful when
27 parsing C-like languages.
28 - Does not change behavior depending on the current locale.
29 - Behaves properly for all values in the range of a signed or
30 unsigned char. */
31
32#include <safe-ctype.h>
33#include <stdio.h> /* for EOF */
34
35/* Shorthand */
36#define bl _sch_isblank
37#define cn _sch_iscntrl
38#define di _sch_isdigit
39#define is _sch_isidst
40#define lo _sch_islower
41#define nv _sch_isnvsp
42#define pn _sch_ispunct
43#define pr _sch_isprint
44#define sp _sch_isspace
45#define up _sch_isupper
46#define vs _sch_isvsp
47#define xd _sch_isxdigit
48
49/* Masks. */
50#define L lo|is |pr /* lower case letter */
51#define XL lo|is|xd|pr /* lowercase hex digit */
52#define U up|is |pr /* upper case letter */
53#define XU up|is|xd|pr /* uppercase hex digit */
54#define D di |xd|pr /* decimal digit */
55#define P pn |pr /* punctuation */
56#define _ pn|is |pr /* underscore */
57
58#define C cn /* control character */
59#define Z nv |cn /* NUL */
60#define M nv|sp |cn /* cursor movement: \f \v */
61#define V vs|sp |cn /* vertical space: \r \n */
62#define T nv|sp|bl|cn /* tab */
63#define S nv|sp|bl|pr /* space */
64
65/* Are we ASCII? */
66#if '\n' == 0x0A && ' ' == 0x20 && '0' == 0x30 \
67 && 'A' == 0x41 && 'a' == 0x61 && '!' == 0x21 \
68 && EOF == -1
69
70const unsigned short _sch_istable[256] =
71{
72 Z, C, C, C, C, C, C, C, /* NUL SOH STX ETX EOT ENQ ACK BEL */
73 C, T, V, M, M, V, C, C, /* BS HT LF VT FF CR SO SI */
74 C, C, C, C, C, C, C, C, /* DLE DC1 DC2 DC3 DC4 NAK SYN ETB */
75 C, C, C, C, C, C, C, C, /* CAN EM SUB ESC FS GS RS US */
76 S, P, P, P, P, P, P, P, /* SP ! " # $ % & ' */
77 P, P, P, P, P, P, P, P, /* ( ) * + , - . / */
78 D, D, D, D, D, D, D, D, /* 0 1 2 3 4 5 6 7 */
79 D, D, P, P, P, P, P, P, /* 8 9 : ; < = > ? */
80 P, XU, XU, XU, XU, XU, XU, U, /* @ A B C D E F G */
81 U, U, U, U, U, U, U, U, /* H I J K L M N O */
82 U, U, U, U, U, U, U, U, /* P Q R S T U V W */
83 U, U, U, P, P, P, P, _, /* X Y Z [ \ ] ^ _ */
84 P, XL, XL, XL, XL, XL, XL, L, /* ` a b c d e f g */
85 L, L, L, L, L, L, L, L, /* h i j k l m n o */
86 L, L, L, L, L, L, L, L, /* p q r s t u v w */
87 L, L, L, P, P, P, P, C, /* x y z { | } ~ DEL */
88
89 /* high half of unsigned char is locale-specific, so all tests are
90 false in "C" locale */
91 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
92 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
93 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
94 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
95
96 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
97 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
98 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
99 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
100};
101
102const unsigned char _sch_tolower[256] =
103{
104 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
105 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
106 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
107 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
108 64,
109
110 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
111 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
112
113 91, 92, 93, 94, 95, 96,
114
115 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
116 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
117
118 123,124,125,126,127,
119
120 128,129,130,131, 132,133,134,135, 136,137,138,139, 140,141,142,143,
121 144,145,146,147, 148,149,150,151, 152,153,154,155, 156,157,158,159,
122 160,161,162,163, 164,165,166,167, 168,169,170,171, 172,173,174,175,
123 176,177,178,179, 180,181,182,183, 184,185,186,187, 188,189,190,191,
124
125 192,193,194,195, 196,197,198,199, 200,201,202,203, 204,205,206,207,
126 208,209,210,211, 212,213,214,215, 216,217,218,219, 220,221,222,223,
127 224,225,226,227, 228,229,230,231, 232,233,234,235, 236,237,238,239,
128 240,241,242,243, 244,245,246,247, 248,249,250,251, 252,253,254,255,
129};
130
131const unsigned char _sch_toupper[256] =
132{
133 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
134 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
135 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
136 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
137 64,
138
139 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
140 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
141
142 91, 92, 93, 94, 95, 96,
143
144 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
145 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
146
147 123,124,125,126,127,
148
149 128,129,130,131, 132,133,134,135, 136,137,138,139, 140,141,142,143,
150 144,145,146,147, 148,149,150,151, 152,153,154,155, 156,157,158,159,
151 160,161,162,163, 164,165,166,167, 168,169,170,171, 172,173,174,175,
152 176,177,178,179, 180,181,182,183, 184,185,186,187, 188,189,190,191,
153
154 192,193,194,195, 196,197,198,199, 200,201,202,203, 204,205,206,207,
155 208,209,210,211, 212,213,214,215, 216,217,218,219, 220,221,222,223,
156 224,225,226,227, 228,229,230,231, 232,233,234,235, 236,237,238,239,
157 240,241,242,243, 244,245,246,247, 248,249,250,251, 252,253,254,255,
158};
159
160#else
161 #error "Unsupported host character set"
162#endif /* not ASCII */