mirror of
https://git.savannah.gnu.org/git/bison.git
synced 2026-04-24 10:39:38 +00:00
Akim Demaille
499daa504f
inclusion. Don't define PARAMS. * src/system.h: Define PARAMS. Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the purpose of config.h. system.h must not try to fix wrong definitions in config.h.
151 lines
3.6 KiB
C
151 lines
3.6 KiB
C
/* system-dependent definitions for Bison.
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Copyright (C) 2000 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef BISON_SYSTEM_H
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#define BISON_SYSTEM_H
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#ifdef MSDOS
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# include <io.h>
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#endif
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#ifdef _MSC_VER
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# include <stdlib.h>
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# include <process.h>
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# define getpid _getpid
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#endif
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#if HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
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# include <string.h>
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/* An ANSI string.h and pre-ANSI memory.h might conflict. */
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# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
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# include <memory.h>
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# endif /* not STDC_HEADERS and HAVE_MEMORY_H */
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# ifndef bcopy
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# define bcopy(src, dst, num) memcpy((dst), (src), (num))
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# endif
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#else /* not STDC_HEADERS and not HAVE_STRING_H */
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# include <strings.h>
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/* memory.h and strings.h conflict on some systems. */
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#endif /* not STDC_HEADERS and not HAVE_STRING_H */
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#if defined(STDC_HEADERS) || defined(HAVE_CTYPE_H)
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# include <ctype.h>
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#endif
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#include <errno.h>
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#ifndef errno
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extern int errno;
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#endif
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#if PROTOTYPES
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# define PARAMS(p) p
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#else
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# define PARAMS(p) ()
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#endif
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/*-----------------.
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| GCC extensions. |
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`-----------------*/
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#ifndef __attribute__
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/* This feature is available in gcc versions 2.5 and later. */
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# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
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# define __attribute__(Spec) /* empty */
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# endif
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/* The __-protected variants of `format' and `printf' attributes
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are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
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# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
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# define __format__ format
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# define __printf__ printf
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# endif
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#endif
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/*------.
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| NLS. |
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`------*/
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#ifdef HAVE_LOCALE_H
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# include <locale.h>
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#endif
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#ifndef HAVE_SETLOCALE
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# define setlocale(Category, Locale)
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#endif
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#ifdef ENABLE_NLS
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# include <libintl.h>
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# define _(Text) gettext (Text)
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#else
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# undef bindtextdomain
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# define bindtextdomain(Domain, Directory)
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# undef textdomain
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# define textdomain(Domain)
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# define _(Text) Text
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#endif
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#define N_(Text) Text
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/*-------------------------------.
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| Fix broken compilation flags. |
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`-------------------------------*/
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#ifndef LOCALEDIR
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# define LOCALEDIR "/usr/local/share/locale"
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#endif
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#endif /* BISON_SYSTEM_H */
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/*---------------------------------.
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| Machine-dependencies for Bison. |
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`---------------------------------*/
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#ifdef eta10
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# define MAXSHORT 2147483647
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# define MINSHORT -2147483648
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#else
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# define MAXSHORT 32767
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# define MINSHORT -32768
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#endif
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#if defined (MSDOS) && !defined (__GO32__)
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# define BITS_PER_WORD 16
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# define MAXTABLE 16383
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#else
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# define BITS_PER_WORD 32
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# define MAXTABLE 32767
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#endif
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#define WORDSIZE(n) (((n) + BITS_PER_WORD - 1) / BITS_PER_WORD)
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#define SETBIT(x, i) ((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD)))
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#define RESETBIT(x, i) ((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
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#define BITISSET(x, i) (((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)
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