src/system.h

   1 /* system-dependent definitions for Bison.
   2    Copyright 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 #include <assert.h>
  28
  29 #ifdef MSDOS
  30 # include <io.h>
  31 #endif
  32
  33 #ifdef _MSC_VER
  34 # include <stdlib.h>
  35 # include <process.h>
  36 # define getpid _getpid
  37 #endif
  38
  39 #if HAVE_STDLIB_H
  40 # include <stdlib.h>
  41 #endif
  42
  43 #if HAVE_UNISTD_H
  44 # include <unistd.h>
  45 #endif
  46
  47 #if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
  48 # include <string.h>
  49 /* An ANSI string.h and pre-ANSI memory.h might conflict.  */
  50 # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
  51 #  include <memory.h>
  52 # endif /* not STDC_HEADERS and HAVE_MEMORY_H */
  53 # ifndef bcopy
  54 #  define bcopy(src, dst, num) memcpy((dst), (src), (num))
  55 # endif
  56 #else /* not STDC_HEADERS and not HAVE_STRING_H */
  57 # include <strings.h>
  58 /* memory.h and strings.h conflict on some systems.  */
  59 #endif /* not STDC_HEADERS and not HAVE_STRING_H */
  60
  61 #if defined(STDC_HEADERS) || defined(HAVE_CTYPE_H)
  62 # include <ctype.h>
  63 #endif
  64
  65 #include <errno.h>
  66 #ifndef errno
  67 extern int errno;
  68 #endif
  69
  70 #if PROTOTYPES
  71 # define PARAMS(p) p
  72 #else
  73 # define PARAMS(p) ()
  74 #endif
  75
  76 /*-----------------.
  77 | GCC extensions.  |
  78 `-----------------*/
  79
  80 #ifndef __attribute__
  81 /* This feature is available in gcc versions 2.5 and later.  */
  82 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
  83 #  define __attribute__(Spec) /* empty */
  84 # endif
  85 /* The __-protected variants of `format' and `printf' attributes
  86    are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */
  87 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
  88 #  define __format__ format
  89 #  define __printf__ printf
  90 # endif
  91 #endif
  92
  93
  94 /*------.
  95 | NLS.  |
  96 `------*/
  97
  98 #ifdef HAVE_LOCALE_H
  99 # include <locale.h>
 100 #endif
 101 #ifndef HAVE_SETLOCALE
 102 # define setlocale(Category, Locale)
 103 #endif
 104
 105 #ifdef ENABLE_NLS
 106 # include <libintl.h>
 107 # define _(Text) gettext (Text)
 108 #else
 109 # undef bindtextdomain
 110 # define bindtextdomain(Domain, Directory)
 111 # undef textdomain
 112 # define textdomain(Domain)
 113 # define _(Text) Text
 114 #endif
 115 #define N_(Text) Text
 116
 117
 118 /*-------------------------------.
 119 | Fix broken compilation flags.  |
 120 `-------------------------------*/
 121
 122 #ifndef LOCALEDIR
 123 # define LOCALEDIR "/usr/local/share/locale"
 124 #endif
 125
 126 #endif  /* BISON_SYSTEM_H */
 127
 128
 129 /*-----------.
 130 | Booleans.  |
 131 `-----------*/
 132
 133 #ifndef TRUE
 134 # define TRUE   (1)
 135 # define FALSE  (0)
 136 #endif
 137 typedef int bool;
 138
 139
 140 /*-----------.
 141 | Obstacks.  |
 142 `-----------*/
 143
 144 #define obstack_chunk_alloc xmalloc
 145 #define obstack_chunk_free  free
 146 #include "obstack.h"
 147
 148 #define obstack_grow_string(Obs, Str) \
 149   obstack_grow (Obs, Str, sizeof (Str) - 1)
 150
 151 #define obstack_fgrow1(Obs, Format, Arg1)       \
 152 do {                                            \
 153   char buf[4096];                               \
 154   sprintf (buf, Format, Arg1);                  \
 155   obstack_grow (Obs, buf, strlen (buf));        \
 156 } while (0)
 157
 158 #define obstack_fgrow2(Obs, Format, Arg1, Arg2) \
 159 do {                                            \
 160   char buf[4096];                               \
 161   sprintf (buf, Format, Arg1, Arg2);            \
 162   obstack_grow (Obs, buf, strlen (buf));        \
 163 } while (0)
 164
 165 #define obstack_fgrow3(Obs, Format, Arg1, Arg2, Arg3)   \
 166 do {                                                    \
 167   char buf[4096];                                       \
 168   sprintf (buf, Format, Arg1, Arg2, Arg3);              \
 169   obstack_grow (Obs, buf, strlen (buf));                \
 170 } while (0)
 171
 172
 173 /*---------------------------------.
 174 | Machine-dependencies for Bison.  |
 175 `---------------------------------*/
 176
 177 #ifdef  eta10
 178 # define        MAXSHORT        2147483647
 179 # define        MINSHORT        -2147483648
 180 #else
 181 # define        MAXSHORT        32767
 182 # define        MINSHORT        -32768
 183 #endif
 184
 185 #if defined (MSDOS) && !defined (__GO32__)
 186 # define        BITS_PER_WORD   16
 187 # define MAXTABLE       16383
 188 #else
 189 # define        BITS_PER_WORD   32
 190 # define MAXTABLE       32767
 191 #endif
 192
 193 #define WORDSIZE(n)     (((n) + BITS_PER_WORD - 1) / BITS_PER_WORD)
 194 #define SETBIT(x, i)    ((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD)))
 195 #define RESETBIT(x, i)  ((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
 196 #define BITISSET(x, i)  (((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)
 197
 198
 199 /* Extensions to use for the output files. */
 200
 201 #ifdef VMS
 202   /* VMS. */
 203 # define EXT_TAB        "_tab"
 204 # define EXT_OUTPUT     ".output"
 205 # define EXT_STYPE_H    "_stype.h"
 206 # define EXT_GUARD_C    "_guard.c"
 207 #else /* ! VMS */
 208 # ifdef MSDOS
 209    /* MS DOS. */
 210 #  define EXT_TAB       "_tab"
 211 #  define EXT_OUTPUT    ".out"
 212 #  define EXT_STYPE_H   ".sth"
 213 #  define EXT_GUARD_C   ".guc"
 214 # else /* ! MSDOS */
 215   /* Standard. */
 216 #  define EXT_TAB       ".tab"
 217 #  define EXT_OUTPUT    ".output"
 218 #  define EXT_STYPE_H   ".stype.h"
 219 #  define EXT_GUARD_C   ".guard.c"
 220 # endif /* ! MSDOS */
 221 #endif /* ! VMS */
 222
 223 #if defined (VMS) & !defined (__VMS_POSIX)
 224 # ifndef BISON_SIMPLE
 225 #  define BISON_SIMPLE "GNU_BISON:[000000]BISON.SIMPLE"
 226 # endif
 227 # ifndef BISON_HAIRY
 228 #  define BISON_HARIRY "GNU_BISON:[000000]BISON.HAIRY"
 229 # endif
 230 #endif
 231
 232 #if defined (_MSC_VER)
 233 # ifndef BISON_SIMPLE
 234 #  define BISON_SIMPLE "c:/usr/local/lib/bison.simple"
 235 # endif
 236 # ifndef BISON_HAIRY
 237 #  define BISON_HAIRY "c:/usr/local/lib/bison.hairy"
 238 # endif
 239 #endif