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cde/src/lib/libast/regex/reginit.c
Johnothan King e54001d58b Various minor capitalization and typo fixes (#371) 
This commit fixes various minor typos, punctuation errors and
corrects the capitalization of many names.
2021-12-13 01:49:42 +01:00

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9.4 KiB
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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2011 AT&T Intellectual Property *
* Copyright (c) 2020-2021 Contributors to ksh 93u+m *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* POSIX regex state and alloc
*/
#include "reglib.h"
#if _PACKAGE_ast
#include <ccode.h>
#else
#define CC_bel '\a'
#define CC_esc '\033'
#define CC_vt '\v'
#endif
/*
* state shared by all threads
*/
State_t state =
{
{ -1, -1 },
/*
* escape code table
* the "funny" things get special treatment at ends of BRE
*
* BRE 0:normal 1:escaped 2:escaped-char-class
* ERE 3:normal 4:escaped 5:escaped-char-class
* ARE 6:normal 7:escaped 8:escaped-char-class
* SRE 9:normal 10:escaped 11:escaped-char-class
* KRE 12:normal 13:escaped 14:escaped-char-class
*/
'\\',
'\\', '\\', '\\',
'\\', '\\', '\\',
'\\', '\\', '\\',
'\\', '\\', '\\',
'\\', '\\', '\\',
'^', /* funny */
'^', '^', '^',
T_CFLX, '^', '^',
T_CFLX, '^', '^',
'^', '^', '^',
'^', '^', '^',
'.',
T_DOT, '.', T_BAD,
T_DOT, '.', T_BAD,
T_DOT, '.', T_BAD,
'.', '.', T_BAD,
'.', '.', T_BAD,
'$', /* funny */
'$', '$', T_BAD,
T_DOLL, '$', T_BAD,
T_DOLL, '$', T_BAD,
'$', '$', T_BAD,
'$', '$', T_BAD,
'*',
T_STAR, '*', T_BAD,
T_STAR, '*', T_BAD,
T_STAR, '*', T_BAD,
T_STAR, '*', '*',
T_STAR, '*', '*',
'[',
T_BRA, '[', '[',
T_BRA, '[', '[',
T_BRA, '[', '[',
T_BRA, '[', '[',
T_BRA, '[', '[',
'|',
'|', T_BAD, T_BAD,
T_BAR, '|', T_BAD,
T_BAR, '|', T_BAD,
'|', '|', T_BAD,
T_BAR, '|', T_BAD,
'+',
'+', T_BAD, T_BAD,
T_PLUS, '+', T_BAD,
T_PLUS, '+', T_BAD,
'+', '+', T_BAD,
T_PLUS, '+', T_BAD,
'?',
'?', T_BAD, T_BAD,
T_QUES, '?', T_BAD,
T_QUES, '?', T_BAD,
T_QUES, '?', '?',
T_QUES, '?', '?',
'(',
'(', T_OPEN, T_BAD,
T_OPEN, '(', T_BAD,
T_OPEN, '(', T_BAD,
'(', '(', '(',
T_OPEN, '(', '(',
')',
')', T_CLOSE, T_BAD,
T_CLOSE, ')', T_BAD,
T_CLOSE, ')', T_BAD,
')', ')', ')',
T_CLOSE, ')', ')',
'{',
'{', T_LEFT, T_BAD,
T_LEFT, '{', T_BAD,
T_LEFT, '{', T_BAD,
'{', '{', '{',
T_LEFT, '{', '{',
'}',
'}', T_RIGHT, T_BAD,
'}', T_BAD, T_BAD,
'}', T_BAD, T_BAD,
'}', '}', '}',
'}', '}', '}',
'&',
'&', T_BAD, T_BAD,
'&', T_AND, T_BAD,
T_AND, '&', T_BAD,
'&', '&', T_BAD,
T_AND, '&', T_BAD,
'!',
'!', T_BAD, T_BAD,
'!', T_BANG, T_BAD,
T_BANG, '!', T_BAD,
'!', '!', T_BAD,
T_BANG, '!', T_BAD,
'@',
'@', T_BAD, T_BAD,
'@', T_BAD, T_BAD,
'@', T_BAD, T_BAD,
'@', '@', T_BAD,
T_AT, '@', T_BAD,
'~',
'~', T_BAD, T_BAD,
'~', T_BAD, T_BAD,
'~', T_BAD, T_BAD,
'~', '~', T_BAD,
T_TILDE, '~', T_BAD,
'%',
'%', T_BAD, T_BAD,
'%', T_BAD, T_BAD,
'%', T_BAD, T_BAD,
'%', '%', T_BAD,
T_PERCENT, '%', T_BAD,
'<',
'<', T_LT, T_BAD,
'<', T_LT, T_BAD,
T_LT, '<', T_BAD,
'<', '<', T_BAD,
'<', '<', T_BAD,
'>',
'>', T_GT, T_BAD,
'>', T_GT, T_BAD,
T_GT, '>', T_BAD,
'>', '>', T_BAD,
'>', '>', T_BAD,
/* backrefs */
'0',
'0', T_BACK+0, T_ESCAPE,
'0', T_BACK+0, T_ESCAPE,
'0', T_BACK+0, T_ESCAPE,
'0', T_BACK+0, T_ESCAPE,
'0', T_BACK+0, T_ESCAPE,
'1',
'1', T_BACK+1, T_ESCAPE,
'1', T_BACK+1, T_ESCAPE,
'1', T_BACK+1, T_ESCAPE,
'1', T_BACK+1, T_ESCAPE,
'1', T_BACK+1, T_ESCAPE,
'2',
'2', T_BACK+2, T_ESCAPE,
'2', T_BACK+2, T_ESCAPE,
'2', T_BACK+2, T_ESCAPE,
'2', T_BACK+2, T_ESCAPE,
'2', T_BACK+2, T_ESCAPE,
'3',
'3', T_BACK+3, T_ESCAPE,
'3', T_BACK+3, T_ESCAPE,
'3', T_BACK+3, T_ESCAPE,
'3', T_BACK+3, T_ESCAPE,
'3', T_BACK+3, T_ESCAPE,
'4',
'4', T_BACK+4, T_ESCAPE,
'4', T_BACK+4, T_ESCAPE,
'4', T_BACK+4, T_ESCAPE,
'4', T_BACK+4, T_ESCAPE,
'4', T_BACK+4, T_ESCAPE,
'5',
'5', T_BACK+5, T_ESCAPE,
'5', T_BACK+5, T_ESCAPE,
'5', T_BACK+5, T_ESCAPE,
'5', T_BACK+5, T_ESCAPE,
'5', T_BACK+5, T_ESCAPE,
'6',
'6', T_BACK+6, T_ESCAPE,
'6', T_BACK+6, T_ESCAPE,
'6', T_BACK+6, T_ESCAPE,
'6', T_BACK+6, T_ESCAPE,
'6', T_BACK+6, T_ESCAPE,
'7',
'7', T_BACK+7, T_ESCAPE,
'7', T_BACK+7, T_ESCAPE,
'7', T_BACK+7, T_ESCAPE,
'7', T_BACK+7, T_ESCAPE,
'7', T_BACK+7, T_ESCAPE,
'8',
'8', T_BACK+8, T_ESCAPE,
'8', T_BACK+8, T_ESCAPE,
'8', T_BACK+8, T_ESCAPE,
'8', '8', T_ESCAPE,
'8', T_BACK+8, T_ESCAPE,
'9',
'9', T_BACK+9, T_ESCAPE,
'9', T_BACK+9, T_ESCAPE,
'9', T_BACK+9, T_ESCAPE,
'9', '9', T_ESCAPE,
'9', T_BACK+9, T_ESCAPE,
/* perl */
'A',
'A', T_BEG_STR, T_BAD,
'A', T_BEG_STR, T_BAD,
'A', T_BEG_STR, T_BAD,
'A', T_BEG_STR, T_BAD,
'A', T_BEG_STR, T_BAD,
'b',
'b', T_WORD, '\b',
'b', T_WORD, '\b',
'b', T_WORD, '\b',
'b', T_WORD, '\b',
'b', T_WORD, '\b',
'B',
'B', T_WORD_NOT, T_BAD,
'B', T_WORD_NOT, T_BAD,
'B', T_WORD_NOT, T_BAD,
'B', T_WORD_NOT, T_BAD,
'B', T_WORD_NOT, T_BAD,
'd',
'd', T_DIGIT, T_DIGIT,
'd', T_DIGIT, T_DIGIT,
'd', T_DIGIT, T_DIGIT,
'd', T_DIGIT, T_DIGIT,
'd', T_DIGIT, T_DIGIT,
'D',
'D', T_DIGIT_NOT, T_DIGIT_NOT,
'D', T_DIGIT_NOT, T_DIGIT_NOT,
'D', T_DIGIT_NOT, T_DIGIT_NOT,
'D', T_DIGIT_NOT, T_DIGIT_NOT,
'D', T_DIGIT_NOT, T_DIGIT_NOT,
's',
's', T_SPACE, T_SPACE,
's', T_SPACE, T_SPACE,
's', T_SPACE, T_SPACE,
's', T_SPACE, T_SPACE,
's', T_SPACE, T_SPACE,
'S',
'S', T_SPACE_NOT, T_SPACE_NOT,
'S', T_SPACE_NOT, T_SPACE_NOT,
'S', T_SPACE_NOT, T_SPACE_NOT,
'S', T_SPACE_NOT, T_SPACE_NOT,
'S', T_SPACE_NOT, T_SPACE_NOT,
'w',
'w', T_ALNUM, T_ALNUM,
'w', T_ALNUM, T_ALNUM,
'w', T_ALNUM, T_ALNUM,
'w', T_ALNUM, T_ALNUM,
'w', T_ALNUM, T_ALNUM,
'W',
'W', T_ALNUM_NOT, T_ALNUM_NOT,
'W', T_ALNUM_NOT, T_ALNUM_NOT,
'W', T_ALNUM_NOT, T_ALNUM_NOT,
'W', T_ALNUM_NOT, T_ALNUM_NOT,
'W', T_ALNUM_NOT, T_ALNUM_NOT,
'z',
'z', T_FIN_STR, T_BAD,
'z', T_FIN_STR, T_BAD,
'z', T_FIN_STR, T_BAD,
'z', T_FIN_STR, T_BAD,
'z', T_FIN_STR, T_BAD,
'Z',
'Z', T_END_STR, T_BAD,
'Z', T_END_STR, T_BAD,
'Z', T_END_STR, T_BAD,
'Z', T_END_STR, T_BAD,
'Z', T_END_STR, T_BAD,
/* C escapes */
'a',
'a', CC_bel, CC_bel,
'a', CC_bel, CC_bel,
'a', CC_bel, CC_bel,
'a', CC_bel, CC_bel,
'a', CC_bel, CC_bel,
'c',
'c', T_ESCAPE, T_ESCAPE,
'c', T_ESCAPE, T_ESCAPE,
'c', T_ESCAPE, T_ESCAPE,
'c', T_ESCAPE, T_ESCAPE,
'c', T_ESCAPE, T_ESCAPE,
'C',
'C', T_ESCAPE, T_ESCAPE,
'C', T_ESCAPE, T_ESCAPE,
'C', T_ESCAPE, T_ESCAPE,
'C', T_ESCAPE, T_ESCAPE,
'C', T_ESCAPE, T_ESCAPE,
'e',
'e', CC_esc, CC_esc,
'e', CC_esc, CC_esc,
'e', CC_esc, CC_esc,
'e', CC_esc, CC_esc,
'e', CC_esc, CC_esc,
'E',
'E', CC_esc, CC_esc,
'E', CC_esc, CC_esc,
'E', CC_esc, CC_esc,
'E', CC_esc, CC_esc,
'E', CC_esc, CC_esc,
'f',
'f', '\f', '\f',
'f', '\f', '\f',
'f', '\f', '\f',
'f', '\f', '\f',
'f', '\f', '\f',
'n',
'n', '\n', '\n',
'n', '\n', '\n',
'n', '\n', '\n',
'n', '\n', '\n',
'n', '\n', '\n',
'r',
'r', '\r', '\r',
'r', '\r', '\r',
'r', '\r', '\r',
'r', '\r', '\r',
'r', '\r', '\r',
't',
't', '\t', '\t',
't', '\t', '\t',
't', '\t', '\t',
't', '\t', '\t',
't', '\t', '\t',
'v',
'v', CC_vt, CC_vt,
'v', CC_vt, CC_vt,
'v', CC_vt, CC_vt,
'v', CC_vt, CC_vt,
'v', CC_vt, CC_vt,
'x',
'x', T_ESCAPE, T_ESCAPE,
'x', T_ESCAPE, T_ESCAPE,
'x', T_ESCAPE, T_ESCAPE,
'x', T_ESCAPE, T_ESCAPE,
'x', T_ESCAPE, T_ESCAPE,
};
/*
* all allocation/free done here
* interface compatible with vmresize()
*
* malloc(n) alloc(0,n)
* realloc(p,n) alloc(p,n)
* free(p) alloc(p,0)
*/
void*
alloc(register regdisc_t* disc, void* p, size_t n)
{
if (disc->re_resizef)
{
if (!n && (disc->re_flags & REG_NOFREE))
return 0;
return (*disc->re_resizef)(disc->re_resizehandle, p, n);
}
else if (!n)
{
if (!(disc->re_flags & REG_NOFREE))
free(p);
return 0;
}
else if (p)
return realloc(p, n);
else
return malloc(n);
}
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