src/system.h

/* system-dependent definitions for Bison.
   Copyright 2000, 2001  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>

#if HAVE_STDLIB_H
# include <stdlib.h>
#endif

/* The following test is to work around the gross typo in
   systems like Sony NEWS-OS Release 4.0C, whereby EXIT_FAILURE
   is defined to 0, not 1.  */
#if !EXIT_FAILURE
# undef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif

#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#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 */
#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

/* AIX requires this to be the first thing in the file.  */
#ifndef __GNUC__
# if HAVE_ALLOCA_H
#  include <alloca.h>
# else
#  ifdef _AIX
 #pragma alloca
#  else
#   ifndef alloca /* predefined by HP cc +Olibcalls */
char *alloca ();
#   endif
#  endif
# endif
#endif

#if PROTOTYPES
# define PARAMS(p) p
#else
# define PARAMS(p) ()
#endif

# include "xalloc.h"

/* From xstrndup.c.  */
char *xstrndup PARAMS ((const char *s, size_t n));

/*---------------------.
| Missing prototypes.  |
`---------------------*/

#if !HAVE_DECL_STPCPY
char *stpcpy PARAMS ((char *dest, const char *src));
#endif

#if !HAVE_DECL_STRCHR
char *strchr(const char *s, int c);
#endif

#if !HAVE_DECL_STRNDUP
char *strndup PARAMS ((const char *s, size_t size));
#endif

#if !HAVE_DECL_STRSPN
size_t strspn(const char *s, const char *accept);
#endif

#if !HAVE_DECL_STRNLEN
size_t strnlen PARAMS ((const char *s, size_t maxlen));
#endif

#if !HAVE_DECL_MEMCHR
void *memchr PARAMS ((const void *s, int c, size_t n));
#endif

#if !HAVE_DECL_MEMRCHR
void *memrchr PARAMS ((const void *s, int c, size_t n));
#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

#include "libgettext.h"
#define _(Msgid)  gettext (Msgid)
#define N_(Msgid) (Msgid)


/*-------------------------------.
| 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


/* As memcpy, but for shorts.  */
#define shortcpy(Dest, Src, Num) \
  memcpy (Dest, Src, Num * sizeof (short))

/* Free a linked list. */
#define LIST_FREE(Type, List)			\
do {						\
  Type *_node, *_next;				\
  for (_node = List; _node; _node = _next)	\
    {						\
      _next = _node->next;			\
      XFREE (_node);				\
    }						\
} while (0)

/*---------------------------------.
| Debugging the memory allocator.  |
`---------------------------------*/

# if WITH_DMALLOC
#  define DMALLOC_FUNC_CHECK
#  include <dmalloc.h>
# endif /* WITH_DMALLOC */

#endif  /* ! BISON_SYSTEM_H */
Commit	Line	Data
	1	/* system-dependent definitions for Bison.
	2	Copyright 2000, 2001 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	#if HAVE_STDLIB_H
	30	# include <stdlib.h>
	31	#endif
	32
	33	/* The following test is to work around the gross typo in
	34	systems like Sony NEWS-OS Release 4.0C, whereby EXIT_FAILURE
	35	is defined to 0, not 1. */
	36	#if !EXIT_FAILURE
	37	# undef EXIT_FAILURE
	38	# define EXIT_FAILURE 1
	39	#endif
	40
	41	#ifndef EXIT_SUCCESS
	42	# define EXIT_SUCCESS 0
	43	#endif
	44
	45	#if HAVE_UNISTD_H
	46	# include <unistd.h>
	47	#endif
	48
	49	#if defined(STDC_HEADERS) \|\| defined(HAVE_STRING_H)
	50	# include <string.h>
	51	/* An ANSI string.h and pre-ANSI memory.h might conflict. */
	52	# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
	53	# include <memory.h>
	54	# endif /* not STDC_HEADERS and HAVE_MEMORY_H */
	55	#else /* not STDC_HEADERS and not HAVE_STRING_H */
	56	# include <strings.h>
	57	/* memory.h and strings.h conflict on some systems. */
	58	#endif /* not STDC_HEADERS and not HAVE_STRING_H */
	59
	60	#if defined(STDC_HEADERS) \|\| defined(HAVE_CTYPE_H)
	61	# include <ctype.h>
	62	#endif
	63
	64	#include <errno.h>
	65	#ifndef errno
	66	extern int errno;
	67	#endif
	68
	69	/* AIX requires this to be the first thing in the file. */
	70	#ifndef __GNUC__
	71	# if HAVE_ALLOCA_H
	72	# include <alloca.h>
	73	# else
	74	# ifdef _AIX
	75	#pragma alloca
	76	# else
	77	# ifndef alloca /* predefined by HP cc +Olibcalls */
	78	char *alloca ();
	79	# endif
	80	# endif
	81	# endif
	82	#endif
	83
	84	#if PROTOTYPES
	85	# define PARAMS(p) p
	86	#else
	87	# define PARAMS(p) ()
	88	#endif
	89
	90	# include "xalloc.h"
	91
	92	/* From xstrndup.c. */
	93	char xstrndup PARAMS ((const char s, size_t n));
	94
	95	/*---------------------.
	96	\| Missing prototypes. \|
	97	`---------------------*/
	98
	99	#if !HAVE_DECL_STPCPY
	100	char stpcpy PARAMS ((char dest, const char *src));
	101	#endif
	102
	103	#if !HAVE_DECL_STRCHR
	104	char strchr(const char s, int c);
	105	#endif
	106
	107	#if !HAVE_DECL_STRNDUP
	108	char strndup PARAMS ((const char s, size_t size));
	109	#endif
	110
	111	#if !HAVE_DECL_STRSPN
	112	size_t strspn(const char s, const char accept);
	113	#endif
	114
	115	#if !HAVE_DECL_STRNLEN
	116	size_t strnlen PARAMS ((const char *s, size_t maxlen));
	117	#endif
	118
	119	#if !HAVE_DECL_MEMCHR
	120	void memchr PARAMS ((const void s, int c, size_t n));
	121	#endif
	122
	123	#if !HAVE_DECL_MEMRCHR
	124	void memrchr PARAMS ((const void s, int c, size_t n));
	125	#endif
	126
	127
	128
	129	/*-----------------.
	130	\| GCC extensions. \|
	131	`-----------------*/
	132
	133	#ifndef __attribute__
	134	/* This feature is available in gcc versions 2.5 and later. */
	135	# if __GNUC__ < 2 \|\| (__GNUC__ == 2 && __GNUC_MINOR__ < 5) \|\| __STRICT_ANSI__
	136	# define __attribute__(Spec) /* empty */
	137	# endif
	138	/* The __-protected variants of `format' and `printf' attributes
	139	are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
	140	# if __GNUC__ < 2 \|\| (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
	141	# define __format__ format
	142	# define __printf__ printf
	143	# endif
	144	#endif
	145
	146
	147	/*------.
	148	\| NLS. \|
	149	`------*/
	150
	151	#ifdef HAVE_LOCALE_H
	152	# include <locale.h>
	153	#endif
	154	#ifndef HAVE_SETLOCALE
	155	# define setlocale(Category, Locale)
	156	#endif
	157
	158	#include "libgettext.h"
	159	#define _(Msgid) gettext (Msgid)
	160	#define N_(Msgid) (Msgid)
	161
	162
	163	/*-------------------------------.
	164	\| Fix broken compilation flags. \|
	165	`-------------------------------*/
	166
	167	#ifndef LOCALEDIR
	168	# define LOCALEDIR "/usr/local/share/locale"
	169	#endif
	170
	171
	172	/*-----------.
	173	\| Booleans. \|
	174	`-----------*/
	175
	176	#ifndef TRUE
	177	# define TRUE (1)
	178	# define FALSE (0)
	179	#endif
	180	typedef int bool;
	181
	182
	183	/*-----------.
	184	\| Obstacks. \|
	185	`-----------*/
	186
	187	# define obstack_chunk_alloc xmalloc
	188	# define obstack_chunk_free free
	189	# include "obstack.h"
	190
	191	#define obstack_sgrow(Obs, Str) \
	192	obstack_grow (Obs, Str, strlen (Str))
	193
	194	#define obstack_fgrow1(Obs, Format, Arg1) \
	195	do { \
	196	char buf[4096]; \
	197	sprintf (buf, Format, Arg1); \
	198	obstack_grow (Obs, buf, strlen (buf)); \
	199	} while (0)
	200
	201	#define obstack_fgrow2(Obs, Format, Arg1, Arg2) \
	202	do { \
	203	char buf[4096]; \
	204	sprintf (buf, Format, Arg1, Arg2); \
	205	obstack_grow (Obs, buf, strlen (buf)); \
	206	} while (0)
	207
	208	#define obstack_fgrow3(Obs, Format, Arg1, Arg2, Arg3) \
	209	do { \
	210	char buf[4096]; \
	211	sprintf (buf, Format, Arg1, Arg2, Arg3); \
	212	obstack_grow (Obs, buf, strlen (buf)); \
	213	} while (0)
	214
	215	#define obstack_fgrow4(Obs, Format, Arg1, Arg2, Arg3, Arg4) \
	216	do { \
	217	char buf[4096]; \
	218	sprintf (buf, Format, Arg1, Arg2, Arg3, Arg4); \
	219	obstack_grow (Obs, buf, strlen (buf)); \
	220	} while (0)
	221
	222
	223	/*---------------------------------.
	224	\| Machine-dependencies for Bison. \|
	225	`---------------------------------*/
	226
	227	#ifdef eta10
	228	# define MAXSHORT 2147483647
	229	# define MINSHORT -2147483648
	230	#else
	231	# define MAXSHORT 32767
	232	# define MINSHORT -32768
	233	#endif
	234
	235	#if defined (MSDOS) && !defined (__GO32__)
	236	# define BITS_PER_WORD 16
	237	# define MAXTABLE 16383
	238	#else
	239	# define BITS_PER_WORD 32
	240	# define MAXTABLE 32767
	241	#endif
	242
	243	#define WORDSIZE(n) (((n) + BITS_PER_WORD - 1) / BITS_PER_WORD)
	244	#define SETBIT(x, i) ((x)[(i)/BITS_PER_WORD] \|= (1<<((i) % BITS_PER_WORD)))
	245	#define RESETBIT(x, i) ((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
	246	#define BITISSET(x, i) (((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)
	247
	248
	249	/* Extensions to use for the output files. */
	250
	251	#ifdef VMS
	252	/* VMS. */
	253	# define EXT_TAB "_tab"
	254	# define EXT_OUTPUT ".output"
	255	# define EXT_STYPE_H "_stype"
	256	# define EXT_GUARD_C "_guard"
	257	#else /* ! VMS */
	258	# ifdef MSDOS
	259	/* MS DOS. */
	260	# define EXT_TAB "_tab"
	261	# define EXT_OUTPUT ".out"
	262	# define EXT_STYPE_H ".sth"
	263	# define EXT_GUARD_C ".guc"
	264	# else /* ! MSDOS */
	265	/* Standard. */
	266	# define EXT_TAB ".tab"
	267	# define EXT_OUTPUT ".output"
	268	# define EXT_STYPE_H ".stype"
	269	# define EXT_GUARD_C ".guard"
	270	# endif /* ! MSDOS */
	271	#endif /* ! VMS */
	272
	273	#if defined (VMS) & !defined (__VMS_POSIX)
	274	# ifndef BISON_SIMPLE
	275	# define BISON_SIMPLE "GNU_BISON:[000000]BISON.SIMPLE"
	276	# endif
	277	# ifndef BISON_HAIRY
	278	# define BISON_HARIRY "GNU_BISON:[000000]BISON.HAIRY"
	279	# endif
	280	#endif
	281
	282	#if defined (_MSC_VER)
	283	# ifndef BISON_SIMPLE
	284	# define BISON_SIMPLE "c:/usr/local/lib/bison.simple"
	285	# endif
	286	# ifndef BISON_HAIRY
	287	# define BISON_HAIRY "c:/usr/local/lib/bison.hairy"
	288	# endif
	289	#endif
	290
	291
	292	/* As memcpy, but for shorts. */
	293	#define shortcpy(Dest, Src, Num) \
	294	memcpy (Dest, Src, Num * sizeof (short))
	295
	296	/* Free a linked list. */
	297	#define LIST_FREE(Type, List) \
	298	do { \
	299	Type _node, _next; \
	300	for (_node = List; _node; _node = _next) \
	301	{ \
	302	_next = _node->next; \
	303	XFREE (_node); \
	304	} \
	305	} while (0)
	306
	307	/*---------------------------------.
	308	\| Debugging the memory allocator. \|
	309	`---------------------------------*/
	310
	311	# if WITH_DMALLOC
	312	# define DMALLOC_FUNC_CHECK
	313	# include <dmalloc.h>
	314	# endif /* WITH_DMALLOC */
	315
	316	#endif /* ! BISON_SYSTEM_H */