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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
67extern int errno;
68#endif
69
70#if PROTOTYPES
71# define PARAMS(p) p
72#else
73# define PARAMS(p) ()
74#endif
75
76
77
78/*---------------------.
79| Missing prototypes. |
80`---------------------*/
81
82#if !HAVE_DECL_STPCPY
83char *stpcpy PARAMS ((char *dest, const char *src));
84#endif
85
86#if !HAVE_DECL_STRNDUP
87char *strndup PARAMS ((const char *s, size_t size));
88#endif
89
90#if !HAVE_DECL_STRNLEN
91size_t strnlen PARAMS ((const char *s, size_t maxlen));
92#endif
93
94
95
96/*-----------------.
97| GCC extensions. |
98`-----------------*/
99
100#ifndef __attribute__
101/* This feature is available in gcc versions 2.5 and later. */
102# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
103# define __attribute__(Spec) /* empty */
104# endif
105/* The __-protected variants of `format' and `printf' attributes
106 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
107# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
108# define __format__ format
109# define __printf__ printf
110# endif
111#endif
112
113
114/*------.
115| NLS. |
116`------*/
117
118#ifdef HAVE_LOCALE_H
119# include <locale.h>
120#endif
121#ifndef HAVE_SETLOCALE
122# define setlocale(Category, Locale)
123#endif
124
125#ifdef ENABLE_NLS
126# include <libintl.h>
127# define _(Text) gettext (Text)
128#else
129# undef bindtextdomain
130# define bindtextdomain(Domain, Directory)
131# undef textdomain
132# define textdomain(Domain)
133# define _(Text) Text
134#endif
135#define N_(Text) Text
136
137
138/*-------------------------------.
139| Fix broken compilation flags. |
140`-------------------------------*/
141
142#ifndef LOCALEDIR
143# define LOCALEDIR "/usr/local/share/locale"
144#endif
145
146#endif /* BISON_SYSTEM_H */
147
148
149/*-----------.
150| Booleans. |
151`-----------*/
152
153#ifndef TRUE
154# define TRUE (1)
155# define FALSE (0)
156#endif
157typedef int bool;
158
159
160/*-----------.
161| Obstacks. |
162`-----------*/
163
164#define obstack_chunk_alloc xmalloc
165#define obstack_chunk_free free
166#include "obstack.h"
167
168#define obstack_sgrow(Obs, Str) \
169 obstack_grow (Obs, Str, strlen (Str))
170
171#define obstack_fgrow1(Obs, Format, Arg1) \
172do { \
173 char buf[4096]; \
174 sprintf (buf, Format, Arg1); \
175 obstack_grow (Obs, buf, strlen (buf)); \
176} while (0)
177
178#define obstack_fgrow2(Obs, Format, Arg1, Arg2) \
179do { \
180 char buf[4096]; \
181 sprintf (buf, Format, Arg1, Arg2); \
182 obstack_grow (Obs, buf, strlen (buf)); \
183} while (0)
184
185#define obstack_fgrow3(Obs, Format, Arg1, Arg2, Arg3) \
186do { \
187 char buf[4096]; \
188 sprintf (buf, Format, Arg1, Arg2, Arg3); \
189 obstack_grow (Obs, buf, strlen (buf)); \
190} while (0)
191
192#define obstack_fgrow4(Obs, Format, Arg1, Arg2, Arg3, Arg4) \
193do { \
194 char buf[4096]; \
195 sprintf (buf, Format, Arg1, Arg2, Arg3, Arg4); \
196 obstack_grow (Obs, buf, strlen (buf)); \
197} while (0)
198
199
200/*---------------------------------.
201| Machine-dependencies for Bison. |
202`---------------------------------*/
203
204#ifdef eta10
205# define MAXSHORT 2147483647
206# define MINSHORT -2147483648
207#else
208# define MAXSHORT 32767
209# define MINSHORT -32768
210#endif
211
212#if defined (MSDOS) && !defined (__GO32__)
213# define BITS_PER_WORD 16
214# define MAXTABLE 16383
215#else
216# define BITS_PER_WORD 32
217# define MAXTABLE 32767
218#endif
219
220#define WORDSIZE(n) (((n) + BITS_PER_WORD - 1) / BITS_PER_WORD)
221#define SETBIT(x, i) ((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD)))
222#define RESETBIT(x, i) ((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
223#define BITISSET(x, i) (((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)
224
225
226/* Extensions to use for the output files. */
227
228#ifdef VMS
229 /* VMS. */
230# define EXT_TAB "_tab"
231# define EXT_OUTPUT ".output"
232# define EXT_STYPE_H "_stype"
233# define EXT_GUARD_C "_guard"
234#else /* ! VMS */
235# ifdef MSDOS
236 /* MS DOS. */
237# define EXT_TAB "_tab"
238# define EXT_OUTPUT ".out"
239# define EXT_STYPE_H ".sth"
240# define EXT_GUARD_C ".guc"
241# else /* ! MSDOS */
242 /* Standard. */
243# define EXT_TAB ".tab"
244# define EXT_OUTPUT ".output"
245# define EXT_STYPE_H ".stype"
246# define EXT_GUARD_C ".guard"
247# endif /* ! MSDOS */
248#endif /* ! VMS */
249
250#if defined (VMS) & !defined (__VMS_POSIX)
251# ifndef BISON_SIMPLE
252# define BISON_SIMPLE "GNU_BISON:[000000]BISON.SIMPLE"
253# endif
254# ifndef BISON_HAIRY
255# define BISON_HARIRY "GNU_BISON:[000000]BISON.HAIRY"
256# endif
257#endif
258
259#if defined (_MSC_VER)
260# ifndef BISON_SIMPLE
261# define BISON_SIMPLE "c:/usr/local/lib/bison.simple"
262# endif
263# ifndef BISON_HAIRY
264# define BISON_HAIRY "c:/usr/local/lib/bison.hairy"
265# endif
266#endif