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342b8b6e2156e923797745af2da2596e3086ccd5
bison/src/system.h
Akim Demaille 342b8b6e21 Merge in branch-1_29.
2001-10-04 14:55:21 +00:00

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/* system-dependent definitions for Bison.
Copyright 2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef BISON_SYSTEM_H
#define BISON_SYSTEM_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <assert.h>
#ifdef MSDOS
# include <io.h>
#endif
#ifdef _MSC_VER
# include <stdlib.h>
# include <process.h>
# define getpid _getpid
#endif
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
# include <string.h>
/* An ANSI string.h and pre-ANSI memory.h might conflict. */
# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
# include <memory.h>
# endif /* not STDC_HEADERS and HAVE_MEMORY_H */
# ifndef bcopy
# define bcopy(src, dst, num) memcpy((dst), (src), (num))
# endif
#else /* not STDC_HEADERS and not HAVE_STRING_H */
# include <strings.h>
/* memory.h and strings.h conflict on some systems. */
#endif /* not STDC_HEADERS and not HAVE_STRING_H */
#if defined(STDC_HEADERS) || defined(HAVE_CTYPE_H)
# include <ctype.h>
#endif
#include <errno.h>
#ifndef errno
extern int errno;
#endif
#if PROTOTYPES
# define PARAMS(p) p
#else
# define PARAMS(p) ()
#endif
# include "xalloc.h"
/*---------------------.
| Missing prototypes. |
`---------------------*/
#if !HAVE_DECL_STPCPY
char *stpcpy PARAMS ((char *dest, const char *src));
#endif
#if !HAVE_DECL_STRNDUP
char *strndup PARAMS ((const char *s, size_t size));
#endif
#if !HAVE_DECL_STRNLEN
size_t strnlen PARAMS ((const char *s, size_t maxlen));
#endif
/*-----------------.
| GCC extensions. |
`-----------------*/
#ifndef __attribute__
/* This feature is available in gcc versions 2.5 and later. */
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
# define __attribute__(Spec) /* empty */
# endif
/* The __-protected variants of `format' and `printf' attributes
are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
# define __format__ format
# define __printf__ printf
# endif
#endif
/*------.
| NLS. |
`------*/
#ifdef HAVE_LOCALE_H
# include <locale.h>
#endif
#ifndef HAVE_SETLOCALE
# define setlocale(Category, Locale)
#endif
#ifdef ENABLE_NLS
# include <libintl.h>
# define _(Text) gettext (Text)
#else
# undef bindtextdomain
# define bindtextdomain(Domain, Directory)
# undef textdomain
# define textdomain(Domain)
# define _(Text) Text
#endif
#define N_(Text) Text
/*-------------------------------.
| Fix broken compilation flags. |
`-------------------------------*/
#ifndef LOCALEDIR
# define LOCALEDIR "/usr/local/share/locale"
#endif
/*-----------.
| Booleans. |
`-----------*/
#ifndef TRUE
# define TRUE (1)
# define FALSE (0)
#endif
typedef int bool;
/*-----------.
| Obstacks. |
`-----------*/
# define obstack_chunk_alloc xmalloc
# define obstack_chunk_free free
# include "obstack.h"
#define obstack_sgrow(Obs, Str) \
obstack_grow (Obs, Str, strlen (Str))
#define obstack_fgrow1(Obs, Format, Arg1) \
do { \
char buf[4096]; \
sprintf (buf, Format, Arg1); \
obstack_grow (Obs, buf, strlen (buf)); \
} while (0)
#define obstack_fgrow2(Obs, Format, Arg1, Arg2) \
do { \
char buf[4096]; \
sprintf (buf, Format, Arg1, Arg2); \
obstack_grow (Obs, buf, strlen (buf)); \
} while (0)
#define obstack_fgrow3(Obs, Format, Arg1, Arg2, Arg3) \
do { \
char buf[4096]; \
sprintf (buf, Format, Arg1, Arg2, Arg3); \
obstack_grow (Obs, buf, strlen (buf)); \
} while (0)
#define obstack_fgrow4(Obs, Format, Arg1, Arg2, Arg3, Arg4) \
do { \
char buf[4096]; \
sprintf (buf, Format, Arg1, Arg2, Arg3, Arg4); \
obstack_grow (Obs, buf, strlen (buf)); \
} while (0)
/*---------------------------------.
| Machine-dependencies for Bison. |
`---------------------------------*/
#ifdef eta10
# define MAXSHORT 2147483647
# define MINSHORT -2147483648
#else
# define MAXSHORT 32767
# define MINSHORT -32768
#endif
#if defined (MSDOS) && !defined (__GO32__)
# define BITS_PER_WORD 16
# define MAXTABLE 16383
#else
# define BITS_PER_WORD 32
# define MAXTABLE 32767
#endif
#define WORDSIZE(n) (((n) + BITS_PER_WORD - 1) / BITS_PER_WORD)
#define SETBIT(x, i) ((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD)))
#define RESETBIT(x, i) ((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
#define BITISSET(x, i) (((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)
/* Extensions to use for the output files. */
#ifdef VMS
/* VMS. */
# define EXT_TAB "_tab"
# define EXT_OUTPUT ".output"
# define EXT_STYPE_H "_stype"
# define EXT_GUARD_C "_guard"
#else /* ! VMS */
# ifdef MSDOS
/* MS DOS. */
# define EXT_TAB "_tab"
# define EXT_OUTPUT ".out"
# define EXT_STYPE_H ".sth"
# define EXT_GUARD_C ".guc"
# else /* ! MSDOS */
/* Standard. */
# define EXT_TAB ".tab"
# define EXT_OUTPUT ".output"
# define EXT_STYPE_H ".stype"
# define EXT_GUARD_C ".guard"
# endif /* ! MSDOS */
#endif /* ! VMS */
#if defined (VMS) & !defined (__VMS_POSIX)
# ifndef BISON_SIMPLE
# define BISON_SIMPLE "GNU_BISON:[000000]BISON.SIMPLE"
# endif
# ifndef BISON_HAIRY
# define BISON_HARIRY "GNU_BISON:[000000]BISON.HAIRY"
# endif
#endif
#if defined (_MSC_VER)
# ifndef BISON_SIMPLE
# define BISON_SIMPLE "c:/usr/local/lib/bison.simple"
# endif
# ifndef BISON_HAIRY
# define BISON_HAIRY "c:/usr/local/lib/bison.hairy"
# endif
#endif
/*---------------------------------.
| Debugging the memory allocator. |
`---------------------------------*/
# if WITH_DMALLOC
# define DMALLOC_FUNC_CHECK
# include <dmalloc.h>
# endif /* WITH_DMALLOC */
#endif /* BISON_SYSTEM_H */
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