X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/9208d17fa98a4702675f86423d811ad7bffd73ce..18b519c0d6020e2ab2431c3ada64b8ebe522b504:/src/system.h?ds=sidebyside diff --git a/src/system.h b/src/system.h index 0c5833e3..e297f608 100644 --- a/src/system.h +++ b/src/system.h @@ -1,5 +1,5 @@ /* system-dependent definitions for Bison. - Copyright 2000, 2001, 2002 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 @@ -18,14 +18,35 @@ #ifndef BISON_SYSTEM_H #define BISON_SYSTEM_H -#ifdef HAVE_CONFIG_H +#if HAVE_CONFIG_H # include #endif +/* 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 +# else +# ifdef _AIX + #pragma alloca +# else +# ifndef alloca /* predefined by HP cc +Olibcalls */ +char *alloca (); +# endif +# endif +# endif +#endif + #include #include +#if HAVE_SYS_TYPES_H +# include +#endif + #if HAVE_STDLIB_H # include #endif @@ -57,73 +78,49 @@ /* 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 +#include # include "xalloc.h" /* From xstrndup.c. */ -char *xstrndup PARAMS ((const char *s, size_t n)); +char *xstrndup (const char *s, size_t n); + + +/*----------------. +| Using timevar. | +`----------------*/ + +#include "timevar.h" +extern int time_report; + /*---------------------. | 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 defined HAVE_DECL_STPCPY && !HAVE_DECL_STPCPY +char *stpcpy (char *dest, const char *src); #endif -#if !HAVE_DECL_STRNDUP -char *strndup PARAMS ((const char *s, size_t size)); +#if defined HAVE_DECL_STRCHR && !HAVE_DECL_STRCHR +char *strchr (const char *s, int c); #endif -#if !HAVE_DECL_STRSPN -size_t strspn(const char *s, const char *accept); +#if defined HAVE_DECL_STRSPN && !HAVE_DECL_STRSPN +size_t strspn (const char *s, const char *accept); #endif -#if !HAVE_DECL_STRNLEN -size_t strnlen PARAMS ((const char *s, size_t maxlen)); +#if defined HAVE_DECL_STRNLEN && !HAVE_DECL_STRNLEN +size_t strnlen (const char *s, size_t maxlen); #endif -#if !HAVE_DECL_MEMCHR -void *memchr PARAMS ((const void *s, int c, size_t n)); +#if defined HAVE_DECL_MEMCHR && !HAVE_DECL_MEMCHR +void *memchr (const void *s, int c, size_t n); #endif -#if !HAVE_DECL_MEMRCHR -void *memrchr PARAMS ((const void *s, int c, size_t n)); +#if defined HAVE_DECL_MEMRCHR && !HAVE_DECL_MEMRCHR +void *memrchr (const void *s, int c, size_t n); #endif @@ -132,29 +129,45 @@ void *memrchr PARAMS ((const void *s, int c, size_t n)); | 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__ # 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 #endif -#ifndef HAVE_SETLOCALE +#if !HAVE_SETLOCALE # define setlocale(Category, Locale) #endif @@ -176,11 +189,11 @@ void *memrchr PARAMS ((const void *s, int c, size_t n)); | Booleans. | `-----------*/ -#ifndef TRUE -# define TRUE (1) -# define FALSE (0) +#if HAVE_STDBOOL_H +# include +#else +typedef enum {false = 0, true = 1} bool; #endif -typedef int bool; /*-----------. @@ -223,23 +236,6 @@ do { \ } while (0) -/*---------------------------------. -| Machine-dependencies for Bison. | -`---------------------------------*/ - -#ifdef eta10 -# define MAXSHORT 2147483647 -# define MINSHORT -2147483648 -#else -# define MAXSHORT 32767 -# define MINSHORT -32768 -#endif - -#if defined (MSDOS) && !defined (__GO32__) -# define MAXTABLE 16383 -#else -# define MAXTABLE 32767 -#endif /*-----------------------------------------. | Extensions to use for the output files. | @@ -249,21 +245,15 @@ do { \ /* 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 */ @@ -273,13 +263,6 @@ do { \ -/*----------------------------. -| As memcpy, but for shorts. | -`----------------------------*/ - -#define shortcpy(Dest, Src, Num) \ - memcpy (Dest, Src, Num * sizeof (short)) - /*---------------------. | Free a linked list. | `---------------------*/