/* System-dependent definitions for Bison.
- Copyright (C) 2000-2007, 2009-2012 Free Software Foundation, Inc.
+ Copyright (C) 2000-2007, 2009-2013 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
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef BISON_SYSTEM_H
-#define BISON_SYSTEM_H
+# define BISON_SYSTEM_H
/* flex 2.5.31 gratutiously defines macros like INT8_MIN. But this
runs afoul of pre-C99 compilers that have <inttypes.h> or
<stdint.h>, which are included below if available. It also runs
afoul of pre-C99 compilers that define these macros in <limits.h>. */
-#if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901
-# undef INT8_MIN
-# undef INT16_MIN
-# undef INT32_MIN
-# undef INT8_MAX
-# undef INT16_MAX
-# undef UINT8_MAX
-# undef INT32_MAX
-# undef UINT16_MAX
-# undef UINT32_MAX
-#endif
-
-#include <limits.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array))
-#define STREQ(L, R) (strcmp(L, R) == 0)
-#define STRNEQ(L, R) (!STREQ(L, R))
+# if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901
+# undef INT8_MIN
+# undef INT16_MIN
+# undef INT32_MIN
+# undef INT8_MAX
+# undef INT16_MAX
+# undef UINT8_MAX
+# undef INT32_MAX
+# undef UINT16_MAX
+# undef UINT32_MAX
+# endif
+
+# include <limits.h>
+# include <stddef.h>
+# include <stdlib.h>
+# include <string.h>
+
+# define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array))
+# define STREQ(L, R) (strcmp(L, R) == 0)
+# define STRNEQ(L, R) (!STREQ(L, R))
/* Just like strncmp, but the second argument must be a literal string
and you don't specify the length. */
-#define STRNCMP_LIT(S, Literal) \
+# define STRNCMP_LIT(S, Literal) \
strncmp (S, "" Literal "", sizeof (Literal) - 1)
/* Whether Literal is a prefix of S. */
-#define STRPREFIX_LIT(Literal, S) \
+# define STRPREFIX_LIT(Literal, S) \
(STRNCMP_LIT (S, Literal) == 0)
-#if HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#include <unistd.h>
-#include <inttypes.h>
+# include <unistd.h>
+# include <inttypes.h>
-#ifndef UINTPTR_MAX
+# ifndef UINTPTR_MAX
/* This isn't perfect, but it's good enough for Bison, which needs
only to hash pointers. */
typedef size_t uintptr_t;
-#endif
+# endif
-// Version mismatch.
-#define EX_MISMATCH 63
+/* Version mismatch. */
+# define EX_MISMATCH 63
/*---------.
| Gnulib. |
`---------*/
-#include <unlocked-io.h>
-#include <verify.h>
-#include <xalloc.h>
+# include <unlocked-io.h>
+# include <verify.h>
+# include <xalloc.h>
/*-----------------.
and safer logic than it would for users. Due to the overhead of M4,
suppressing Code is unlikely to offer any significant improvement in
Bison's performance anyway. */
-#define PACIFY_CC(Code) Code
+# define PACIFY_CC(Code) Code
-#ifndef __attribute__
+# ifndef __attribute__
/* This feature is available in gcc versions 2.5 and later. */
-# if (! defined __GNUC__ || __GNUC__ < 2 \
+# if (! defined __GNUC__ || __GNUC__ < 2 \
|| (__GNUC__ == 2 && __GNUC_MINOR__ < 5))
-# define __attribute__(Spec) /* empty */
+# define __attribute__(Spec) /* empty */
+# endif
# endif
-#endif
-/* The __-protected variants of `format' and `printf' attributes
+/* 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
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __format__ format
+# define __printf__ printf
+# endif
-#ifndef ATTRIBUTE_NORETURN
-# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
-#endif
+# ifndef ATTRIBUTE_NORETURN
+# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
+# endif
-#ifndef ATTRIBUTE_UNUSED
-# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
-#endif
+# ifndef ATTRIBUTE_UNUSED
+# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+# endif
-#define FUNCTION_PRINT() fprintf (stderr, "%s: ", __func__)
/*------.
| NLS. |
`------*/
-#include <locale.h>
+# include <locale.h>
-#include <gettext.h>
-#define _(Msgid) gettext (Msgid)
-#define N_(Msgid) (Msgid)
+# include <gettext.h>
+# define _(Msgid) gettext (Msgid)
+# define N_(Msgid) (Msgid)
/*-----------.
| Booleans. |
`-----------*/
-#include <stdbool.h>
+# include <stdbool.h>
For now, we use assert but we call it aver throughout Bison in case
we later wish to try another scheme.
*/
-#include <assert.h>
-#define aver assert
+# define aver assert
/*-----------.
| Obstacks. |
`-----------*/
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free free
-#include <obstack.h>
+# define obstack_chunk_alloc xmalloc
+# define obstack_chunk_free free
+# include <obstack.h>
-#define obstack_sgrow(Obs, Str) \
+/* String-grow: append Str to Obs. */
+
+# define obstack_sgrow(Obs, Str) \
obstack_grow (Obs, Str, strlen (Str))
/* Output Str escaped for our postprocessing (i.e., escape M4 special
} while (0)
+/* Append the ending 0, finish Obs, and return the string. */
+# define obstack_finish0(Obs) \
+ (obstack_1grow (Obs, '\0'), (char *) obstack_finish (Obs))
/*-----------------------------------------.
| Extensions to use for the output files. |
`-----------------------------------------*/
-#ifndef OUTPUT_EXT
-# define OUTPUT_EXT ".output"
-#endif
+# ifndef OUTPUT_EXT
+# define OUTPUT_EXT ".output"
+# endif
-#ifndef TAB_EXT
-# define TAB_EXT ".tab"
-#endif
+# ifndef TAB_EXT
+# define TAB_EXT ".tab"
+# endif
| Free a linked list. |
`---------------------*/
-#define LIST_FREE(Type, List) \
-do { \
- Type *_node, *_next; \
- for (_node = List; _node; _node = _next) \
- { \
- _next = _node->next; \
- free (_node); \
- } \
-} while (0)
+# define LIST_FREE(Type, List) \
+ do { \
+ Type *_node, *_next; \
+ for (_node = List; _node; _node = _next) \
+ { \
+ _next = _node->next; \
+ free (_node); \
+ } \
+ } while (0)
/*---------------------------------------------.
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