X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/a0f6b076110ea79f25e13701d7f0ee4b38630d4d..d04946c717fd1de8a29804bccf7b2e766970b8ae:/src/system.h?ds=sidebyside

diff --git a/src/system.h b/src/system.h
index d878feb2..e297f608 100644
--- a/src/system.h
+++ b/src/system.h
@@ -1,5 +1,5 @@
 /* system-dependent definitions for Bison.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002 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
@@ -18,30 +18,53 @@
 #ifndef BISON_SYSTEM_H
 #define BISON_SYSTEM_H
 
-#ifdef HAVE_CONFIG_H
+#if HAVE_CONFIG_H
 # include <config.h>
 #endif
 
-#ifdef MSDOS
-# include <io.h>
+/* AIX requires this to be the first thing in the file.  */
+#ifdef __GNUC__
+# define alloca(Size) __builtin_alloca (Size)
+#else
+# 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
 
-#ifdef _MSC_VER
-# include <stdlib.h>
-# include <process.h>
-# define getpid _getpid
+#include <stdio.h>
+
+#include <assert.h>
+
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
 #endif
 
-#if defined(HAVE_STDLIB_H) || defined(MSDOS)
+#if HAVE_STDLIB_H
 # include <stdlib.h>
 #endif
 
-#if defined(HAVE_UNISTD_H)
-# include <unistd.h>
+/* 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 (defined(VMS) || defined(MSDOS)) && !defined(HAVE_STRING_H)
-# define HAVE_STRING_H 1
+#if HAVE_UNISTD_H
+# include <unistd.h>
 #endif
 
 #if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
@@ -50,64 +73,107 @@
 # 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>
+#include <errno.h>
+#include <limits.h>
+
+# include "xalloc.h"
+
+/* From xstrndup.c.  */
+char *xstrndup (const char *s, size_t n);
+
+
+/*----------------.
+| Using timevar.  |
+`----------------*/
+
+#include "timevar.h"
+extern int time_report;
+
+
+/*---------------------.
+| Missing prototypes.  |
+`---------------------*/
+
+#if defined HAVE_DECL_STPCPY && !HAVE_DECL_STPCPY
+char *stpcpy (char *dest, const char *src);
 #endif
 
-#include <errno.h>
-#ifndef errno
-extern int errno;
+#if defined HAVE_DECL_STRCHR && !HAVE_DECL_STRCHR
+char *strchr (const char *s, int c);
+#endif
+
+#if defined HAVE_DECL_STRSPN && !HAVE_DECL_STRSPN
+size_t strspn (const char *s, const char *accept);
+#endif
+
+#if defined HAVE_DECL_STRNLEN && !HAVE_DECL_STRNLEN
+size_t strnlen (const char *s, size_t maxlen);
+#endif
+
+#if defined HAVE_DECL_MEMCHR && !HAVE_DECL_MEMCHR
+void *memchr (const void *s, int c, size_t n);
+#endif
+
+#if defined HAVE_DECL_MEMRCHR && !HAVE_DECL_MEMRCHR
+void *memrchr (const void *s, int c, size_t n);
 #endif
 
 
+
 /*-----------------.
 | GCC extensions.  |
 `-----------------*/
 
+/* Use this to suppress gcc's `...may be used before initialized'
+   warnings.  */
+#ifdef lint
+# define IF_LINT(Code) Code
+#else
+# define IF_LINT(Code) /* empty */
+#endif
+
 #ifndef __attribute__
 /* This feature is available in gcc versions 2.5 and later.  */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# if !defined (__GNUC__) || __GNUC__ < 2 || \
+(__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
 #  define __attribute__(Spec) /* empty */
 # endif
+#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
+#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_UNUSED
+# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+#endif
 
 /*------.
 | NLS.  |
 `------*/
 
-#ifdef HAVE_LOCALE_H
+#if HAVE_LOCALE_H
 # include <locale.h>
 #endif
-#ifndef HAVE_SETLOCALE
+#if !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
+#include "gettext.h"
+#define _(Msgid)  gettext (Msgid)
+#define N_(Msgid) (Msgid)
 
 
 /*-------------------------------.
@@ -118,4 +184,107 @@ extern int errno;
 # define LOCALEDIR "/usr/local/share/locale"
 #endif
 
-#endif  /* BISON_SYSTEM_H */
+
+/*-----------.
+| Booleans.  |
+`-----------*/
+
+#if HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+typedef enum {false = 0, true = 1} bool;
+#endif
+
+
+/*-----------.
+| 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)
+
+
+
+/*-----------------------------------------.
+| Extensions to use for the output files.  |
+`-----------------------------------------*/
+
+#ifdef VMS
+  /* VMS. */
+# define EXT_TAB	"_tab"
+# define EXT_OUTPUT	".output"
+#else /* ! VMS */
+# ifdef MSDOS
+   /* MS DOS. */
+#  define EXT_TAB	"_tab"
+#  define EXT_OUTPUT	".out"
+# else /* ! MSDOS */
+  /* Standard. */
+#  define EXT_TAB	".tab"
+#  define EXT_OUTPUT	".output"
+# endif /* ! MSDOS */
+#endif /* ! VMS */
+
+#ifndef DEFAULT_TMPDIR
+# define DEFAULT_TMPDIR "/tmp"
+#endif
+
+
+
+/*---------------------.
+| 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 memory allocation (must be last).  |
+`---------------------------------------------*/
+
+# if WITH_DMALLOC
+#  define DMALLOC_FUNC_CHECK
+#  include <dmalloc.h>
+# endif /* WITH_DMALLOC */
+
+#endif  /* ! BISON_SYSTEM_H */