X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/62a3e4f0c54505834cb89c40726771ad32aabb27..9b33de72cd2469bedac2b5f0a48a8782571ea9db:/src/system.h?ds=sidebyside diff --git a/src/system.h b/src/system.h index 45427449..985bbbee 100644 --- a/src/system.h +++ b/src/system.h @@ -1,5 +1,7 @@ -/* system-dependent definitions for Bison. - Copyright 2000, 2001, 2002 Free Software Foundation, Inc. +/* System-dependent definitions for Bison. + + Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 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 @@ -13,182 +15,132 @@ 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. */ + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef BISON_SYSTEM_H #define BISON_SYSTEM_H -#ifdef HAVE_CONFIG_H -# include -#endif - -#include - -#include - -#if HAVE_STDLIB_H -# include -#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 +/* flex 2.5.31 gratutiously defines macros like INT8_MIN. But this + runs afoul of pre-C99 compilers that have or + , which are included below if available. It also runs + afoul of pre-C99 compilers that define these macros in . */ +#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 -#ifndef EXIT_SUCCESS -# define EXIT_SUCCESS 0 -#endif - -#if HAVE_UNISTD_H -# include -#endif - -#if defined(STDC_HEADERS) || defined(HAVE_STRING_H) -# include -/* An ANSI string.h and pre-ANSI memory.h might conflict. */ -# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) -# include -# endif /* not STDC_HEADERS and HAVE_MEMORY_H */ -#else /* not STDC_HEADERS and not HAVE_STRING_H */ -# include -/* 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 -#endif - -#include -#ifndef errno -extern int errno; -#endif - -/* AIX requires this to be the first thing in the file. */ -#ifndef __GNUC__ -# if HAVE_ALLOCA_H -# include -# else -# ifdef _AIX - #pragma alloca -# else -# ifndef alloca /* predefined by HP cc +Olibcalls */ -char *alloca (); -# endif -# endif -# endif -#endif - -#ifndef PARAMS -# if defined PROTOTYPES || defined __STDC__ -# define PARAMS(Args) Args -# else -# define PARAMS(Args) () -# endif -#endif - -/* FIXME: Autoconfiscate. */ #include +#include +#include +#include -# 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); +#if HAVE_SYS_TYPES_H +# include #endif -#if !HAVE_DECL_STRSPN -size_t strspn(const char *s, const char *accept); -#endif +#include +#include -#if !HAVE_DECL_STRNLEN -size_t strnlen PARAMS ((const char *s, size_t maxlen)); +#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 -#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 +/*---------. +| Gnulib. | +`---------*/ +#include +#include +#include /*-----------------. | 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 !defined (__GNUC__) || __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 + +#define FUNCTION_PRINT() fprintf (stderr, "%s: ", __func__) /*------. | NLS. | `------*/ -#ifdef HAVE_LOCALE_H -# include -#endif -#ifndef HAVE_SETLOCALE -# define setlocale(Category, Locale) -#endif +#include -#include "gettext.h" +#include #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; +#include + + + +/*-------------. +| Assertions. | +`-------------*/ + +/* 's assertions are too heavyweight, and can be disabled + too easily, so use aver rather than assert. */ +static inline void +aver (bool assertion) +{ + if (! assertion) + abort (); +} /*-----------. | 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 #define obstack_sgrow(Obs, Str) \ obstack_grow (Obs, Str, strlen (Str)) @@ -227,27 +179,13 @@ do { \ | 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 */ +#ifndef OUTPUT_EXT +# define OUTPUT_EXT ".output" +#endif + +#ifndef TAB_EXT +# define TAB_EXT ".tab" +#endif #ifndef DEFAULT_TMPDIR # define DEFAULT_TMPDIR "/tmp" @@ -265,7 +203,7 @@ do { \ for (_node = List; _node; _node = _next) \ { \ _next = _node->next; \ - XFREE (_node); \ + free (_node); \ } \ } while (0)