usr/src/lib/libast/i386/include/ast/regexp.h

   1
   2 /* : : generated by proto : : */
   3 /***********************************************************************
   4 *                                                                      *
   5 *               This software is part of the ast package               *
   6 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   7 *                      and is licensed under the                       *
   8 *                  Common Public License, Version 1.0                  *
   9 *                    by AT&T Intellectual Property                     *
  10 *                                                                      *
  11 *                A copy of the License is available at                 *
  12 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  13 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  14 *                                                                      *
  15 *              Information and Software Systems Research               *
  16 *                            AT&T Research                             *
  17 *                           Florham Park NJ                            *
  18 *                                                                      *
  19 *                 Glenn Fowler <gsf@research.att.com>                  *
  20 *                  David Korn <dgk@research.att.com>                   *
  21 *                   Phong Vo <kpv@research.att.com>                    *
  22 *                                                                      *
  23 ***********************************************************************/
  24
  25 /*
  26  * regexp interface and partial implementation
  27  * what a novel approach
  28  * don't do it again
  29  *
  30  * OBSOLETE: use <regex.h>
  31  */
  32
  33 #ifndef _REGEXP_H
  34 #if !defined(__PROTO__)
  35 #include <prototyped.h>
  36 #endif
  37 #if !defined(__LINKAGE__)
  38 #define __LINKAGE__             /* 2004-08-11 transition */
  39 #endif
  40
  41 #define _REGEXP_H
  42
  43 #define NBRA            9
  44
  45 typedef struct
  46 {
  47         char*           re_braslist[NBRA];
  48         char*           re_braelist[NBRA];
  49         char*           re_loc1;
  50         char*           re_loc2;
  51         char*           re_locs;
  52         int             re_circf;
  53         int             re_nbra;
  54         int             re_nodelim;
  55         int             re_sed;
  56 } regexp_t;
  57
  58 #define braslist        _re_info.re_braslist
  59 #define braelist        _re_info.re_braelist
  60 #define circf           _re_info.re_circf
  61 #define loc1            _re_info.re_loc1
  62 #define loc2            _re_info.re_loc2
  63 #define locs            _re_info.re_locs
  64 #define nbra            _re_info.re_nbra
  65 #define nodelim         _re_info.re_nodelim
  66 #define sed             _re_info.re_sed
  67
  68 #define advance(a,b)            _re_exec(&_re_info,a,b,1)
  69 #define compile(a,b,c,d)        _re_read(&_re_info,a,b,c,d)
  70 #define step(a,b)               _re_exec(&_re_info,a,b,0)
  71
  72 #if _BLD_ast && defined(__EXPORT__)
  73 #undef __MANGLE__
  74 #define __MANGLE__ __LINKAGE__          __EXPORT__
  75 #endif
  76
  77 extern __MANGLE__ int   _re_comp __PROTO__((regexp_t*, const char*, char*, unsigned int));
  78 extern __MANGLE__ int   _re_exec __PROTO__((regexp_t*, const char*, const char*, int));
  79 extern __MANGLE__ char* _re_putc __PROTO__((int));
  80 extern __MANGLE__ char* _re_read __PROTO__((regexp_t*, const char*, char*, const char*, int));
  81
  82 #undef __MANGLE__
  83 #define __MANGLE__ __LINKAGE__
  84
  85 #ifndef _REGEXP_DECLARE
  86
  87 regexp_t        _re_info;
  88
  89 char*
  90 _re_read __PARAM__((register regexp_t* re, const char* instring, char* ep, const char* endbuf, int seof), (re, instring, ep, endbuf, seof)) __OTORP__(register regexp_t* re; const char* instring; char* ep; const char* endbuf; int seof;){
  91         register int            c;
  92
  93         static const char*      prev;
  94
  95 #ifdef INIT
  96         INIT;
  97 #endif
  98
  99         re->re_nodelim = 0;
 100         if ((c = GETC()) == seof || c == '\n' || c == -1 || c == 0)
 101         {
 102                 if (c != seof)
 103                 {
 104                         UNGETC(c);
 105                         re->re_nodelim = 1;
 106                 }
 107                 if (!re->re_sed && !prev)
 108                         { ERROR(41); }
 109                 RETURN((char*)endbuf);
 110         }
 111         UNGETC(c);
 112         prev = 0;
 113         for (;;)
 114         {
 115                 if ((c = GETC()) == seof || c == '\n' || c == -1 || c == 0)
 116                 {
 117                         if (re->re_sed)
 118                                 { ERROR(36); }
 119                         UNGETC(c);
 120                         re->re_nodelim = 1;
 121                         break;
 122                 }
 123                 if (c == '\\')
 124                 {
 125                         _re_putc(c);
 126                         if ((c = GETC()) == seof || c == '\n' || c == -1 || c == 0)
 127                                 { ERROR(36); }
 128                 }
 129                 _re_putc(c);
 130         }
 131         if (c = _re_comp(re, _re_putc(0), ep, (char*)endbuf - ep))
 132                 { ERROR(c); }
 133         prev = endbuf;
 134         RETURN((char*)prev);
 135 }
 136
 137 #endif
 138
 139 #endif