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1 /* System-dependent definitions for Bison.
2
3 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software
4 Foundation, Inc.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
19
20 #ifndef BISON_SYSTEM_H
21 #define BISON_SYSTEM_H
22
23 #if HAVE_CONFIG_H
24 # include <config.h>
25 #endif
26
27 #include <limits.h>
28 #include <stddef.h>
29 #include <stdlib.h>
30 #include <string.h>
31
32 #include "unlocked-io.h"
33
34 #if HAVE_SYS_TYPES_H
35 # include <sys/types.h>
36 #endif
37
38 #if HAVE_UNISTD_H
39 # include <unistd.h>
40 #endif
41
42 #if HAVE_INTTYPES_H
43 # include <inttypes.h>
44 #endif
45 #if HAVE_STDINT_H
46 # include <stdint.h>
47 #endif
48
49 #if ! HAVE_UINTPTR_T
50 /* This isn't perfect, but it's good enough for Bison, which needs
51 only to hash pointers. */
52 typedef size_t uintptr_t;
53 #endif
54
55 #include <assert.h>
56
57 #include <verify.h>
58 #include <xalloc.h>
59
60
61 /*---------------------.
62 | Missing prototypes. |
63 `---------------------*/
64
65 #include <stpcpy.h>
66
67 /* From lib/basename.c. */
68 char *base_name (char const *name);
69
70
71 /*-----------------.
72 | GCC extensions. |
73 `-----------------*/
74
75 /* Use this to suppress gcc's `...may be used before initialized'
76 warnings. */
77 #ifdef lint
78 # define IF_LINT(Code) Code
79 #else
80 # define IF_LINT(Code) /* empty */
81 #endif
82
83 #ifndef __attribute__
84 /* This feature is available in gcc versions 2.5 and later. */
85 # if !defined (__GNUC__) || __GNUC__ < 2 || \
86 (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
87 # define __attribute__(Spec) /* empty */
88 # endif
89 #endif
90
91 /* The __-protected variants of `format' and `printf' attributes
92 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
93 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
94 # define __format__ format
95 # define __printf__ printf
96 #endif
97
98 #ifndef ATTRIBUTE_NORETURN
99 # define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
100 #endif
101
102 #ifndef ATTRIBUTE_UNUSED
103 # define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
104 #endif
105
106 /*------.
107 | NLS. |
108 `------*/
109
110 #include <locale.h>
111
112 #include <gettext.h>
113 #define _(Msgid) gettext (Msgid)
114 #define N_(Msgid) (Msgid)
115
116
117 /*-------------------------------.
118 | Fix broken compilation flags. |
119 `-------------------------------*/
120
121 #ifndef LOCALEDIR
122 # define LOCALEDIR "/usr/local/share/locale"
123 #endif
124
125
126 /*-----------.
127 | Booleans. |
128 `-----------*/
129
130 #include <stdbool.h>
131
132
133 /*-----------.
134 | Obstacks. |
135 `-----------*/
136
137 #define obstack_chunk_alloc xmalloc
138 #define obstack_chunk_free free
139 #include <obstack.h>
140
141 #define obstack_sgrow(Obs, Str) \
142 obstack_grow (Obs, Str, strlen (Str))
143
144 #define obstack_fgrow1(Obs, Format, Arg1) \
145 do { \
146 char buf[4096]; \
147 sprintf (buf, Format, Arg1); \
148 obstack_grow (Obs, buf, strlen (buf)); \
149 } while (0)
150
151 #define obstack_fgrow2(Obs, Format, Arg1, Arg2) \
152 do { \
153 char buf[4096]; \
154 sprintf (buf, Format, Arg1, Arg2); \
155 obstack_grow (Obs, buf, strlen (buf)); \
156 } while (0)
157
158 #define obstack_fgrow3(Obs, Format, Arg1, Arg2, Arg3) \
159 do { \
160 char buf[4096]; \
161 sprintf (buf, Format, Arg1, Arg2, Arg3); \
162 obstack_grow (Obs, buf, strlen (buf)); \
163 } while (0)
164
165 #define obstack_fgrow4(Obs, Format, Arg1, Arg2, Arg3, Arg4) \
166 do { \
167 char buf[4096]; \
168 sprintf (buf, Format, Arg1, Arg2, Arg3, Arg4); \
169 obstack_grow (Obs, buf, strlen (buf)); \
170 } while (0)
171
172
173
174 /*-----------------------------------------.
175 | Extensions to use for the output files. |
176 `-----------------------------------------*/
177
178 #ifndef OUTPUT_EXT
179 # define OUTPUT_EXT ".output"
180 #endif
181
182 #ifndef TAB_EXT
183 # define TAB_EXT ".tab"
184 #endif
185
186 #ifndef DEFAULT_TMPDIR
187 # define DEFAULT_TMPDIR "/tmp"
188 #endif
189
190
191
192 /*---------------------.
193 | Free a linked list. |
194 `---------------------*/
195
196 #define LIST_FREE(Type, List) \
197 do { \
198 Type *_node, *_next; \
199 for (_node = List; _node; _node = _next) \
200 { \
201 _next = _node->next; \
202 free (_node); \
203 } \
204 } while (0)
205
206
207 /*---------------------------------------------.
208 | Debugging memory allocation (must be last). |
209 `---------------------------------------------*/
210
211 # if WITH_DMALLOC
212 # define DMALLOC_FUNC_CHECK
213 # include <dmalloc.h>
214 # endif /* WITH_DMALLOC */
215
216 #endif /* ! BISON_SYSTEM_H */