src/ash/expand.h

   1 /*      $NetBSD: expand.h,v 1.16 2004/07/13 15:05:59 seb Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Kenneth Almquist.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      @(#)expand.h    8.2 (Berkeley) 5/4/95
  35  */
  36
  37 struct strlist {
  38         struct strlist *next;
  39         char *text;
  40 };
  41
  42
  43 struct arglist {
  44         struct strlist *list;
  45         struct strlist **lastp;
  46 };
  47
  48 /*
  49  * expandarg() flags
  50  */
  51 #define EXP_FULL        0x1     /* perform word splitting & file globbing */
  52 #define EXP_TILDE       0x2     /* do normal tilde expansion */
  53 #define EXP_VARTILDE    0x4     /* expand tildes in an assignment */
  54 #define EXP_REDIR       0x8     /* file glob for a redirection (1 match only) */
  55 #define EXP_CASE        0x10    /* keeps quotes around for CASE pattern */
  56 #define EXP_IFS_SPLIT   0x20    /* need to record arguments for ifs breakup */
  57
  58
  59 union node;
  60 void expandhere(union node *, int);
  61 void expandarg(union node *, struct arglist *, int);
  62 void expari(int);
  63 int patmatch(char *, char *, int);
  64 void rmescapes(char *);
  65 int casematch(union node *, char *);
  66 int wordexpcmd(int, char **);
  67
  68 /* From arith.y */
  69 int arith(const char *);
  70 int expcmd(int , char **);
  71 void arith_lex_reset(void);
  72 int yylex(void);