src/system.h

   1 /* system-dependent definitions for Bison.
   2    Copyright (C) 2000 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #ifndef BISON_SYSTEM_H
  19 #define BISON_SYSTEM_H
  20
  21 #ifdef HAVE_CONFIG_H
  22 # include <config.h>
  23 #endif
  24
  25 #include <stdio.h>
  26
  27 #ifdef MSDOS
  28 # include <io.h>
  29 #endif
  30
  31 #ifdef _MSC_VER
  32 # include <stdlib.h>
  33 # include <process.h>
  34 # define getpid _getpid
  35 #endif
  36
  37 #if HAVE_STDLIB_H
  38 # include <stdlib.h>
  39 #endif
  40
  41 #if HAVE_UNISTD_H
  42 # include <unistd.h>
  43 #endif
  44
  45 #if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
  46 # include <string.h>
  47 /* An ANSI string.h and pre-ANSI memory.h might conflict.  */
  48 # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
  49 #  include <memory.h>
  50 # endif /* not STDC_HEADERS and HAVE_MEMORY_H */
  51 # ifndef bcopy
  52 #  define bcopy(src, dst, num) memcpy((dst), (src), (num))
  53 # endif
  54 #else /* not STDC_HEADERS and not HAVE_STRING_H */
  55 # include <strings.h>
  56 /* memory.h and strings.h conflict on some systems.  */
  57 #endif /* not STDC_HEADERS and not HAVE_STRING_H */
  58
  59 #if defined(STDC_HEADERS) || defined(HAVE_CTYPE_H)
  60 # include <ctype.h>
  61 #endif
  62
  63 #include <errno.h>
  64 #ifndef errno
  65 extern int errno;
  66 #endif
  67
  68 #if PROTOTYPES
  69 # define PARAMS(p) p
  70 #else
  71 # define PARAMS(p) ()
  72 #endif
  73
  74 /*-----------------.
  75 | GCC extensions.  |
  76 `-----------------*/
  77
  78 #ifndef __attribute__
  79 /* This feature is available in gcc versions 2.5 and later.  */
  80 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
  81 #  define __attribute__(Spec) /* empty */
  82 # endif
  83 /* The __-protected variants of `format' and `printf' attributes
  84    are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */
  85 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
  86 #  define __format__ format
  87 #  define __printf__ printf
  88 # endif
  89 #endif
  90
  91
  92 /*------.
  93 | NLS.  |
  94 `------*/
  95
  96 #ifdef HAVE_LOCALE_H
  97 # include <locale.h>
  98 #endif
  99 #ifndef HAVE_SETLOCALE
 100 # define setlocale(Category, Locale)
 101 #endif
 102
 103 #ifdef ENABLE_NLS
 104 # include <libintl.h>
 105 # define _(Text) gettext (Text)
 106 #else
 107 # undef bindtextdomain
 108 # define bindtextdomain(Domain, Directory)
 109 # undef textdomain
 110 # define textdomain(Domain)
 111 # define _(Text) Text
 112 #endif
 113 #define N_(Text) Text
 114
 115
 116 /*-------------------------------.
 117 | Fix broken compilation flags.  |
 118 `-------------------------------*/
 119
 120 #ifndef LOCALEDIR
 121 # define LOCALEDIR "/usr/local/share/locale"
 122 #endif
 123
 124 #endif  /* BISON_SYSTEM_H */
 125
 126
 127 /*---------------------------------.
 128 | Machine-dependencies for Bison.  |
 129 `---------------------------------*/
 130
 131 #ifdef  eta10
 132 # define        MAXSHORT        2147483647
 133 # define        MINSHORT        -2147483648
 134 #else
 135 # define        MAXSHORT        32767
 136 # define        MINSHORT        -32768
 137 #endif
 138
 139 #if defined (MSDOS) && !defined (__GO32__)
 140 # define        BITS_PER_WORD   16
 141 # define MAXTABLE       16383
 142 #else
 143 # define        BITS_PER_WORD   32
 144 # define MAXTABLE       32767
 145 #endif
 146
 147 #define WORDSIZE(n)     (((n) + BITS_PER_WORD - 1) / BITS_PER_WORD)
 148 #define SETBIT(x, i)    ((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD)))
 149 #define RESETBIT(x, i)  ((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
 150 #define BITISSET(x, i)  (((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)