Add BSD POSIX regex for Amiga
Add Henry Spencer's BSD regex implementation (from ixemul) to provide POSIX regular expressions for the Amiga port, enabling menu coloring and config file pattern matching. Copyright (c) 1992 Henry Spencer, The Regents of the University of California. BSD license.
This commit is contained in:
Ingo Paschke
72
sys/amiga/regex/cclass.h
Executable file
72
sys/amiga/regex/cclass.h
Executable file
@@ -0,0 +1,72 @@
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/* $NetBSD: cclass.h,v 1.3 1995/02/27 13:28:29 cgd Exp $ */
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/*-
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* Copyright (c) 1992, 1993, 1994 Henry Spencer.
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* Copyright (c) 1992, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
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||||
* This code is derived from software contributed to Berkeley by
|
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* Henry Spencer.
|
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*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
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*
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* @(#)cclass.h 8.3 (Berkeley) 3/20/94
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*/
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/* character-class table */
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static struct cclass {
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char *name;
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char *chars;
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char *multis;
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} cclasses[] = {
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"alnum", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\
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0123456789", "",
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"alpha", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
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"",
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"blank", " \t", "",
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"cntrl", "\007\b\t\n\v\f\r\1\2\3\4\5\6\16\17\20\21\22\23\24\
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\25\26\27\30\31\32\33\34\35\36\37\177", "",
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"digit", "0123456789", "",
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"graph", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\
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0123456789!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~",
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"",
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"lower", "abcdefghijklmnopqrstuvwxyz",
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"",
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"print", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\
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0123456789!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~ ",
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"",
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"punct", "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~",
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"",
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"space", "\t\n\v\f\r ", "",
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"upper", "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
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"",
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"xdigit", "0123456789ABCDEFabcdef",
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"",
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NULL, 0, ""
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};
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143
sys/amiga/regex/cname.h
Executable file
143
sys/amiga/regex/cname.h
Executable file
@@ -0,0 +1,143 @@
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/* $NetBSD: cname.h,v 1.3 1995/02/27 13:28:33 cgd Exp $ */
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/*-
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* Copyright (c) 1992, 1993, 1994 Henry Spencer.
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* Copyright (c) 1992, 1993, 1994
|
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
|
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* Henry Spencer.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
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||||
*
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* @(#)cname.h 8.3 (Berkeley) 3/20/94
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*/
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/* character-name table */
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static struct cname {
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char *name;
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char code;
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} cnames[] = {
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"NUL", '\0',
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"SOH", '\001',
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"STX", '\002',
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"ETX", '\003',
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"EOT", '\004',
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"ENQ", '\005',
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"ACK", '\006',
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"BEL", '\007',
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"alert", '\007',
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"BS", '\010',
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"backspace", '\b',
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"HT", '\011',
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"tab", '\t',
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"LF", '\012',
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"newline", '\n',
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"VT", '\013',
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"vertical-tab", '\v',
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"FF", '\014',
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"form-feed", '\f',
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"CR", '\015',
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"carriage-return", '\r',
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"SO", '\016',
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"SI", '\017',
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"DLE", '\020',
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"DC1", '\021',
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"DC2", '\022',
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"DC3", '\023',
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"DC4", '\024',
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"NAK", '\025',
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"SYN", '\026',
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"ETB", '\027',
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"CAN", '\030',
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"EM", '\031',
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"SUB", '\032',
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"ESC", '\033',
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"IS4", '\034',
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"FS", '\034',
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"IS3", '\035',
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"GS", '\035',
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"IS2", '\036',
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"RS", '\036',
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"IS1", '\037',
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"US", '\037',
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"space", ' ',
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"exclamation-mark", '!',
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"quotation-mark", '"',
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"number-sign", '#',
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"dollar-sign", '$',
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"percent-sign", '%',
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"ampersand", '&',
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"apostrophe", '\'',
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"left-parenthesis", '(',
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"right-parenthesis", ')',
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"asterisk", '*',
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"plus-sign", '+',
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"comma", ',',
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"hyphen", '-',
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"hyphen-minus", '-',
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"period", '.',
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"full-stop", '.',
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"slash", '/',
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"solidus", '/',
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"zero", '0',
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"one", '1',
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"two", '2',
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"three", '3',
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"four", '4',
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"five", '5',
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"six", '6',
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"seven", '7',
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"eight", '8',
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"nine", '9',
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"colon", ':',
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"semicolon", ';',
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"less-than-sign", '<',
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"equals-sign", '=',
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"greater-than-sign", '>',
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"question-mark", '?',
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"commercial-at", '@',
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"left-square-bracket", '[',
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"backslash", '\\',
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"reverse-solidus", '\\',
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"right-square-bracket", ']',
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"circumflex", '^',
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"circumflex-accent", '^',
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"underscore", '_',
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"low-line", '_',
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"grave-accent", '`',
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"left-brace", '{',
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"left-curly-bracket", '{',
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"vertical-line", '|',
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"right-brace", '}',
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"right-curly-bracket", '}',
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"tilde", '~',
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"DEL", '\177',
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NULL, 0,
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};
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1093
sys/amiga/regex/engine.h
Executable file
1093
sys/amiga/regex/engine.h
Executable file
File diff suppressed because it is too large
Load Diff
1704
sys/amiga/regex/regcomp.c
Executable file
1704
sys/amiga/regex/regcomp.c
Executable file
File diff suppressed because it is too large
Load Diff
186
sys/amiga/regex/regerror.c
Executable file
186
sys/amiga/regex/regerror.c
Executable file
@@ -0,0 +1,186 @@
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/* $NetBSD: regerror.c,v 1.4 1995/02/27 13:29:20 cgd Exp $ */
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/*-
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* Copyright (c) 1992, 1993, 1994 Henry Spencer.
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
|
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*
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* This code is derived from software contributed to Berkeley by
|
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* Henry Spencer.
|
||||
*
|
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
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* @(#)regerror.c 8.4 (Berkeley) 3/20/94
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)regerror.c 8.4 (Berkeley) 3/20/94";
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#else
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static char rcsid[] = "$NetBSD: regerror.c,v 1.4 1995/02/27 13:29:20 cgd Exp $";
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#endif
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#endif /* LIBC_SCCS and not lint */
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#include <sys/types.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <regex.h>
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#include "utils.h"
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/* ========= begin header generated by ./mkh ========= */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* === regerror.c === */
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static char *regatoi __P((const regex_t *preg, char *localbuf));
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#ifdef __cplusplus
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}
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#endif
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/* ========= end header generated by ./mkh ========= */
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/*
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= #define REG_NOMATCH 1
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= #define REG_BADPAT 2
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= #define REG_ECOLLATE 3
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= #define REG_ECTYPE 4
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= #define REG_EESCAPE 5
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= #define REG_ESUBREG 6
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= #define REG_EBRACK 7
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= #define REG_EPAREN 8
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= #define REG_EBRACE 9
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= #define REG_BADBR 10
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= #define REG_ERANGE 11
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= #define REG_ESPACE 12
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= #define REG_BADRPT 13
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= #define REG_EMPTY 14
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= #define REG_ASSERT 15
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= #define REG_INVARG 16
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= #define REG_ATOI 255 // convert name to number (!)
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= #define REG_ITOA 0400 // convert number to name (!)
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*/
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static struct rerr {
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int code;
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char *name;
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char *explain;
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} rerrs[] = {
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REG_NOMATCH, "REG_NOMATCH", "regexec() failed to match",
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REG_BADPAT, "REG_BADPAT", "invalid regular expression",
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REG_ECOLLATE, "REG_ECOLLATE", "invalid collating element",
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REG_ECTYPE, "REG_ECTYPE", "invalid character class",
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REG_EESCAPE, "REG_EESCAPE", "trailing backslash (\\)",
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REG_ESUBREG, "REG_ESUBREG", "invalid backreference number",
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REG_EBRACK, "REG_EBRACK", "brackets ([ ]) not balanced",
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REG_EPAREN, "REG_EPAREN", "parentheses not balanced",
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REG_EBRACE, "REG_EBRACE", "braces not balanced",
|
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REG_BADBR, "REG_BADBR", "invalid repetition count(s)",
|
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REG_ERANGE, "REG_ERANGE", "invalid character range",
|
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REG_ESPACE, "REG_ESPACE", "out of memory",
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REG_BADRPT, "REG_BADRPT", "repetition-operator operand invalid",
|
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REG_EMPTY, "REG_EMPTY", "empty (sub)expression",
|
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REG_ASSERT, "REG_ASSERT", "\"can't happen\" -- you found a bug",
|
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REG_INVARG, "REG_INVARG", "invalid argument to regex routine",
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0, "", "*** unknown regexp error code ***",
|
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};
|
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|
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/*
|
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- regerror - the interface to error numbers
|
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= extern size_t regerror(int, const regex_t *, char *, size_t);
|
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*/
|
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/* ARGSUSED */
|
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size_t
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regerror(errcode, preg, errbuf, errbuf_size)
|
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int errcode;
|
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const regex_t *preg;
|
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char *errbuf;
|
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size_t errbuf_size;
|
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{
|
||||
register struct rerr *r;
|
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register size_t len;
|
||||
register int target = errcode &~ REG_ITOA;
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register char *s;
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char convbuf[50];
|
||||
|
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if (errcode == REG_ATOI)
|
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s = regatoi(preg, convbuf);
|
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else {
|
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for (r = rerrs; r->code != 0; r++)
|
||||
if (r->code == target)
|
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break;
|
||||
|
||||
if (errcode®_ITOA) {
|
||||
if (r->code != 0)
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(void) strcpy(convbuf, r->name);
|
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else
|
||||
sprintf(convbuf, "REG_0x%x", target);
|
||||
assert(strlen(convbuf) < sizeof(convbuf));
|
||||
s = convbuf;
|
||||
} else
|
||||
s = r->explain;
|
||||
}
|
||||
|
||||
len = strlen(s) + 1;
|
||||
if (errbuf_size > 0) {
|
||||
if (errbuf_size > len)
|
||||
(void) strcpy(errbuf, s);
|
||||
else {
|
||||
(void) strncpy(errbuf, s, errbuf_size-1);
|
||||
errbuf[errbuf_size-1] = '\0';
|
||||
}
|
||||
}
|
||||
|
||||
return(len);
|
||||
}
|
||||
|
||||
/*
|
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- regatoi - internal routine to implement REG_ATOI
|
||||
== static char *regatoi(const regex_t *preg, char *localbuf);
|
||||
*/
|
||||
static char *
|
||||
regatoi(preg, localbuf)
|
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const regex_t *preg;
|
||||
char *localbuf;
|
||||
{
|
||||
register struct rerr *r;
|
||||
register size_t siz;
|
||||
register char *p;
|
||||
|
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for (r = rerrs; r->code != 0; r++)
|
||||
if (strcmp(r->name, preg->re_endp) == 0)
|
||||
break;
|
||||
if (r->code == 0)
|
||||
return("0");
|
||||
|
||||
sprintf(localbuf, "%d", r->code);
|
||||
return(localbuf);
|
||||
}
|
||||
175
sys/amiga/regex/regex2.h
Executable file
175
sys/amiga/regex/regex2.h
Executable file
@@ -0,0 +1,175 @@
|
||||
/* $NetBSD: regex2.h,v 1.5 1995/02/27 13:29:40 cgd Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
|
||||
* Copyright (c) 1992, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Henry Spencer.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)regex2.h 8.4 (Berkeley) 3/20/94
|
||||
*/
|
||||
|
||||
/*
|
||||
* First, the stuff that ends up in the outside-world include file
|
||||
= typedef off_t regoff_t;
|
||||
= typedef struct {
|
||||
= int re_magic;
|
||||
= size_t re_nsub; // number of parenthesized subexpressions
|
||||
= const char *re_endp; // end pointer for REG_PEND
|
||||
= struct re_guts *re_g; // none of your business :-)
|
||||
= } regex_t;
|
||||
= typedef struct {
|
||||
= regoff_t rm_so; // start of match
|
||||
= regoff_t rm_eo; // end of match
|
||||
= } regmatch_t;
|
||||
*/
|
||||
/*
|
||||
* internals of regex_t
|
||||
*/
|
||||
#define MAGIC1 ((('r'^0200)<<8) | 'e')
|
||||
|
||||
/*
|
||||
* The internal representation is a *strip*, a sequence of
|
||||
* operators ending with an endmarker. (Some terminology etc. is a
|
||||
* historical relic of earlier versions which used multiple strips.)
|
||||
* Certain oddities in the representation are there to permit running
|
||||
* the machinery backwards; in particular, any deviation from sequential
|
||||
* flow must be marked at both its source and its destination. Some
|
||||
* fine points:
|
||||
*
|
||||
* - OPLUS_ and O_PLUS are *inside* the loop they create.
|
||||
* - OQUEST_ and O_QUEST are *outside* the bypass they create.
|
||||
* - OCH_ and O_CH are *outside* the multi-way branch they create, while
|
||||
* OOR1 and OOR2 are respectively the end and the beginning of one of
|
||||
* the branches. Note that there is an implicit OOR2 following OCH_
|
||||
* and an implicit OOR1 preceding O_CH.
|
||||
*
|
||||
* In state representations, an operator's bit is on to signify a state
|
||||
* immediately *preceding* "execution" of that operator.
|
||||
*/
|
||||
typedef unsigned long sop; /* strip operator */
|
||||
typedef long sopno;
|
||||
#define OPRMASK 0xf8000000
|
||||
#define OPDMASK 0x07ffffff
|
||||
#define OPSHIFT ((unsigned)27)
|
||||
#define OP(n) ((n)&OPRMASK)
|
||||
#define OPND(n) ((n)&OPDMASK)
|
||||
#define SOP(op, opnd) ((op)|(opnd))
|
||||
/* operators meaning operand */
|
||||
/* (back, fwd are offsets) */
|
||||
#define OEND (1<<OPSHIFT) /* endmarker - */
|
||||
#define OCHAR (2<<OPSHIFT) /* character unsigned char */
|
||||
#define OBOL (3<<OPSHIFT) /* left anchor - */
|
||||
#define OEOL (4<<OPSHIFT) /* right anchor - */
|
||||
#define OANY (5<<OPSHIFT) /* . - */
|
||||
#define OANYOF (6<<OPSHIFT) /* [...] set number */
|
||||
#define OBACK_ (7<<OPSHIFT) /* begin \d paren number */
|
||||
#define O_BACK (8<<OPSHIFT) /* end \d paren number */
|
||||
#define OPLUS_ (9<<OPSHIFT) /* + prefix fwd to suffix */
|
||||
#define O_PLUS (10<<OPSHIFT) /* + suffix back to prefix */
|
||||
#define OQUEST_ (11<<OPSHIFT) /* ? prefix fwd to suffix */
|
||||
#define O_QUEST (12<<OPSHIFT) /* ? suffix back to prefix */
|
||||
#define OLPAREN (13<<OPSHIFT) /* ( fwd to ) */
|
||||
#define ORPAREN (14<<OPSHIFT) /* ) back to ( */
|
||||
#define OCH_ (15<<OPSHIFT) /* begin choice fwd to OOR2 */
|
||||
#define OOR1 (16<<OPSHIFT) /* | pt. 1 back to OOR1 or OCH_ */
|
||||
#define OOR2 (17<<OPSHIFT) /* | pt. 2 fwd to OOR2 or O_CH */
|
||||
#define O_CH (18<<OPSHIFT) /* end choice back to OOR1 */
|
||||
#define OBOW (19<<OPSHIFT) /* begin word - */
|
||||
#define OEOW (20<<OPSHIFT) /* end word - */
|
||||
|
||||
/*
|
||||
* Structure for [] character-set representation. Character sets are
|
||||
* done as bit vectors, grouped 8 to a byte vector for compactness.
|
||||
* The individual set therefore has both a pointer to the byte vector
|
||||
* and a mask to pick out the relevant bit of each byte. A hash code
|
||||
* simplifies testing whether two sets could be identical.
|
||||
*
|
||||
* This will get trickier for multicharacter collating elements. As
|
||||
* preliminary hooks for dealing with such things, we also carry along
|
||||
* a string of multi-character elements, and decide the size of the
|
||||
* vectors at run time.
|
||||
*/
|
||||
typedef struct {
|
||||
uch *ptr; /* -> uch [csetsize] */
|
||||
uch mask; /* bit within array */
|
||||
uch hash; /* hash code */
|
||||
size_t smultis;
|
||||
char *multis; /* -> char[smulti] ab\0cd\0ef\0\0 */
|
||||
} cset;
|
||||
/* note that CHadd and CHsub are unsafe, and CHIN doesn't yield 0/1 */
|
||||
#define CHadd(cs, c) ((cs)->ptr[(uch)(c)] |= (cs)->mask, (cs)->hash += (c))
|
||||
#define CHsub(cs, c) ((cs)->ptr[(uch)(c)] &= ~(cs)->mask, (cs)->hash -= (c))
|
||||
#define CHIN(cs, c) ((cs)->ptr[(uch)(c)] & (cs)->mask)
|
||||
#define MCadd(p, cs, cp) mcadd(p, cs, cp) /* regcomp() internal fns */
|
||||
#define MCsub(p, cs, cp) mcsub(p, cs, cp)
|
||||
#define MCin(p, cs, cp) mcin(p, cs, cp)
|
||||
|
||||
/* stuff for character categories */
|
||||
typedef unsigned char cat_t;
|
||||
|
||||
/*
|
||||
* main compiled-expression structure
|
||||
*/
|
||||
struct re_guts {
|
||||
int magic;
|
||||
# define MAGIC2 ((('R'^0200)<<8)|'E')
|
||||
sop *strip; /* malloced area for strip */
|
||||
int csetsize; /* number of bits in a cset vector */
|
||||
int ncsets; /* number of csets in use */
|
||||
cset *sets; /* -> cset [ncsets] */
|
||||
uch *setbits; /* -> uch[csetsize][ncsets/CHAR_BIT] */
|
||||
int cflags; /* copy of regcomp() cflags argument */
|
||||
sopno nstates; /* = number of sops */
|
||||
sopno firststate; /* the initial OEND (normally 0) */
|
||||
sopno laststate; /* the final OEND */
|
||||
int iflags; /* internal flags */
|
||||
# define USEBOL 01 /* used ^ */
|
||||
# define USEEOL 02 /* used $ */
|
||||
# define BAD 04 /* something wrong */
|
||||
int nbol; /* number of ^ used */
|
||||
int neol; /* number of $ used */
|
||||
int ncategories; /* how many character categories */
|
||||
cat_t *categories; /* ->catspace[-CHAR_MIN] */
|
||||
char *must; /* match must contain this string */
|
||||
int mlen; /* length of must */
|
||||
size_t nsub; /* copy of re_nsub */
|
||||
int backrefs; /* does it use back references? */
|
||||
sopno nplus; /* how deep does it nest +s? */
|
||||
/* catspace must be last */
|
||||
cat_t catspace[1]; /* actually [NC] */
|
||||
};
|
||||
|
||||
/* misc utilities */
|
||||
#define OUT (CHAR_MAX+1) /* a non-character value */
|
||||
#define ISWORD(c) (isalnum(c) || (c) == '_')
|
||||
187
sys/amiga/regex/regexec.c
Executable file
187
sys/amiga/regex/regexec.c
Executable file
@@ -0,0 +1,187 @@
|
||||
/* $NetBSD: regexec.c,v 1.6 1995/02/27 13:29:48 cgd Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
|
||||
* Copyright (c) 1992, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Henry Spencer.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)regexec.c 8.3 (Berkeley) 3/20/94
|
||||
*/
|
||||
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)regexec.c 8.3 (Berkeley) 3/20/94";
|
||||
#else
|
||||
static char rcsid[] = "$NetBSD: regexec.c,v 1.6 1995/02/27 13:29:48 cgd Exp $";
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
/*
|
||||
* the outer shell of regexec()
|
||||
*
|
||||
* This file includes engine.h *twice*, after muchos fiddling with the
|
||||
* macros that code uses. This lets the same code operate on two different
|
||||
* representations for state sets.
|
||||
*/
|
||||
#include <sys/types.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <limits.h>
|
||||
#include <ctype.h>
|
||||
#include <regex.h>
|
||||
|
||||
#include "utils.h"
|
||||
#include "regex2.h"
|
||||
|
||||
static int nope = 0; /* for use in asserts; shuts lint up */
|
||||
|
||||
/* macros for manipulating states, small version */
|
||||
#define states long
|
||||
#define states1 states /* for later use in regexec() decision */
|
||||
#define CLEAR(v) ((v) = 0)
|
||||
#define SET0(v, n) ((v) &= ~((unsigned long)1 << (n)))
|
||||
#define SET1(v, n) ((v) |= (unsigned long)1 << (n))
|
||||
#define ISSET(v, n) (((v) & ((unsigned long)1 << (n))) != 0)
|
||||
#define ASSIGN(d, s) ((d) = (s))
|
||||
#define EQ(a, b) ((a) == (b))
|
||||
#define STATEVARS long dummy /* dummy version */
|
||||
#define STATESETUP(m, n) /* nothing */
|
||||
#define STATETEARDOWN(m) /* nothing */
|
||||
#define SETUP(v) ((v) = 0)
|
||||
#define onestate long
|
||||
#define INIT(o, n) ((o) = (unsigned long)1 << (n))
|
||||
#define INC(o) ((o) = (unsigned long)(o) << 1)
|
||||
#define ISSTATEIN(v, o) (((v) & (o)) != 0)
|
||||
/* some abbreviations; note that some of these know variable names! */
|
||||
/* do "if I'm here, I can also be there" etc without branches */
|
||||
#define FWD(dst, src, n) ((dst) |= ((unsigned long)(src)&(here)) << (n))
|
||||
#define BACK(dst, src, n) ((dst) |= ((unsigned long)(src)&(here)) >> (n))
|
||||
#define ISSETBACK(v, n) (((v) & ((unsigned long)here >> (n))) != 0)
|
||||
/* function names */
|
||||
#define SNAMES /* engine.h looks after details */
|
||||
|
||||
#include "engine.h"
|
||||
|
||||
/* now undo things */
|
||||
#undef states
|
||||
#undef CLEAR
|
||||
#undef SET0
|
||||
#undef SET1
|
||||
#undef ISSET
|
||||
#undef ASSIGN
|
||||
#undef EQ
|
||||
#undef STATEVARS
|
||||
#undef STATESETUP
|
||||
#undef STATETEARDOWN
|
||||
#undef SETUP
|
||||
#undef onestate
|
||||
#undef INIT
|
||||
#undef INC
|
||||
#undef ISSTATEIN
|
||||
#undef FWD
|
||||
#undef BACK
|
||||
#undef ISSETBACK
|
||||
#undef SNAMES
|
||||
|
||||
/* macros for manipulating states, large version */
|
||||
#define states char *
|
||||
#define CLEAR(v) memset(v, 0, m->g->nstates)
|
||||
#define SET0(v, n) ((v)[n] = 0)
|
||||
#define SET1(v, n) ((v)[n] = 1)
|
||||
#define ISSET(v, n) ((v)[n])
|
||||
#define ASSIGN(d, s) memcpy(d, s, m->g->nstates)
|
||||
#define EQ(a, b) (memcmp(a, b, m->g->nstates) == 0)
|
||||
#define STATEVARS long vn; char *space
|
||||
#define STATESETUP(m, nv) { (m)->space = malloc((nv)*(m)->g->nstates); \
|
||||
if ((m)->space == NULL) return(REG_ESPACE); \
|
||||
(m)->vn = 0; }
|
||||
#define STATETEARDOWN(m) { free((m)->space); }
|
||||
#define SETUP(v) ((v) = &m->space[m->vn++ * m->g->nstates])
|
||||
#define onestate long
|
||||
#define INIT(o, n) ((o) = (n))
|
||||
#define INC(o) ((o)++)
|
||||
#define ISSTATEIN(v, o) ((v)[o])
|
||||
/* some abbreviations; note that some of these know variable names! */
|
||||
/* do "if I'm here, I can also be there" etc without branches */
|
||||
#define FWD(dst, src, n) ((dst)[here+(n)] |= (src)[here])
|
||||
#define BACK(dst, src, n) ((dst)[here-(n)] |= (src)[here])
|
||||
#define ISSETBACK(v, n) ((v)[here - (n)])
|
||||
/* function names */
|
||||
#define LNAMES /* flag */
|
||||
|
||||
#include "engine.h"
|
||||
|
||||
/*
|
||||
- regexec - interface for matching
|
||||
= extern int regexec(const regex_t *, const char *, size_t, \
|
||||
= regmatch_t [], int);
|
||||
= #define REG_NOTBOL 00001
|
||||
= #define REG_NOTEOL 00002
|
||||
= #define REG_STARTEND 00004
|
||||
= #define REG_TRACE 00400 // tracing of execution
|
||||
= #define REG_LARGE 01000 // force large representation
|
||||
= #define REG_BACKR 02000 // force use of backref code
|
||||
*
|
||||
* We put this here so we can exploit knowledge of the state representation
|
||||
* when choosing which matcher to call. Also, by this point the matchers
|
||||
* have been prototyped.
|
||||
*/
|
||||
int /* 0 success, REG_NOMATCH failure */
|
||||
regexec(preg, string, nmatch, pmatch, eflags)
|
||||
const regex_t *preg;
|
||||
const char *string;
|
||||
size_t nmatch;
|
||||
regmatch_t pmatch[];
|
||||
int eflags;
|
||||
{
|
||||
register struct re_guts *g = preg->re_g;
|
||||
#ifdef REDEBUG
|
||||
# define GOODFLAGS(f) (f)
|
||||
#else
|
||||
# define GOODFLAGS(f) ((f)&(REG_NOTBOL|REG_NOTEOL|REG_STARTEND))
|
||||
#endif
|
||||
|
||||
if (preg->re_magic != MAGIC1 || g->magic != MAGIC2)
|
||||
return(REG_BADPAT);
|
||||
assert(!(g->iflags&BAD));
|
||||
if (g->iflags&BAD) /* backstop for no-debug case */
|
||||
return(REG_BADPAT);
|
||||
eflags = GOODFLAGS(eflags);
|
||||
|
||||
if (g->nstates <= CHAR_BIT*sizeof(states1) && !(eflags®_LARGE))
|
||||
return(smatcher(g, (char *)string, nmatch, pmatch, eflags));
|
||||
else
|
||||
return(lmatcher(g, (char *)string, nmatch, pmatch, eflags));
|
||||
}
|
||||
86
sys/amiga/regex/regfree.c
Executable file
86
sys/amiga/regex/regfree.c
Executable file
@@ -0,0 +1,86 @@
|
||||
/* $NetBSD: regfree.c,v 1.4 1995/02/27 13:29:56 cgd Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
|
||||
* Copyright (c) 1992, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Henry Spencer.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)regfree.c 8.3 (Berkeley) 3/20/94
|
||||
*/
|
||||
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94";
|
||||
#else
|
||||
static char rcsid[] = "$NetBSD: regfree.c,v 1.4 1995/02/27 13:29:56 cgd Exp $";
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <regex.h>
|
||||
|
||||
#include "utils.h"
|
||||
#include "regex2.h"
|
||||
|
||||
/*
|
||||
- regfree - free everything
|
||||
= extern void regfree(regex_t *);
|
||||
*/
|
||||
void
|
||||
regfree(preg)
|
||||
regex_t *preg;
|
||||
{
|
||||
register struct re_guts *g;
|
||||
|
||||
if (preg->re_magic != MAGIC1) /* oops */
|
||||
return; /* nice to complain, but hard */
|
||||
|
||||
g = preg->re_g;
|
||||
if (g == NULL || g->magic != MAGIC2) /* oops again */
|
||||
return;
|
||||
preg->re_magic = 0; /* mark it invalid */
|
||||
g->magic = 0; /* mark it invalid */
|
||||
|
||||
if (g->strip != NULL)
|
||||
free((char *)g->strip);
|
||||
if (g->sets != NULL)
|
||||
free((char *)g->sets);
|
||||
if (g->setbits != NULL)
|
||||
free((char *)g->setbits);
|
||||
if (g->must != NULL)
|
||||
free(g->must);
|
||||
free((char *)g);
|
||||
}
|
||||
59
sys/amiga/regex/utils.h
Executable file
59
sys/amiga/regex/utils.h
Executable file
@@ -0,0 +1,59 @@
|
||||
/* $NetBSD: utils.h,v 1.5 1995/02/27 13:29:59 cgd Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
|
||||
* Copyright (c) 1992, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Henry Spencer.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)utils.h 8.3 (Berkeley) 3/20/94
|
||||
*/
|
||||
|
||||
/* utility definitions */
|
||||
#define DUPMAX _POSIX2_RE_DUP_MAX /* xxx is this right? */
|
||||
#define INFINITY (DUPMAX + 1)
|
||||
#define NC (CHAR_MAX - CHAR_MIN + 1)
|
||||
typedef unsigned char uch;
|
||||
|
||||
/* switch off assertions (if not already off) if no REDEBUG */
|
||||
#ifndef REDEBUG
|
||||
#ifndef NDEBUG
|
||||
#define NDEBUG /* no assertions please */
|
||||
#endif
|
||||
#endif
|
||||
#include <assert.h>
|
||||
|
||||
/* for old systems with bcopy() but no memmove() */
|
||||
#ifdef USEBCOPY
|
||||
#define memmove(d, s, c) bcopy(s, d, c)
|
||||
#endif
|
||||
Reference in New Issue
Block a user