X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/c9c4ffaa5d15a0e17281d4302b23b8a80fc712f3..98254360e3cc22aa7a7aecaae477347ee0ecc638:/src/system.h diff --git a/src/system.h b/src/system.h index 56c4ef3a..4f95e205 100644 --- a/src/system.h +++ b/src/system.h @@ -1,3 +1,20 @@ +/* system-dependent definitions for Bison. + Copyright 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 + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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. */ + #ifndef BISON_SYSTEM_H #define BISON_SYSTEM_H @@ -5,46 +22,135 @@ # include #endif -#ifdef MSDOS -#include -#endif +#include -#ifdef _MSC_VER -#include -#include -#define getpid _getpid +#include + +#if HAVE_STDLIB_H +# include #endif -#if defined(HAVE_STDLIB_H) || defined(MSDOS) -#include +/* 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 -#if defined(HAVE_UNISTD_H) -#include +#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 #endif #if defined(STDC_HEADERS) || defined(HAVE_STRING_H) -#include +# 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 */ -#ifndef bcopy -#define bcopy(src, dst, num) memcpy((dst), (src), (num)) -#endif +# 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 +# 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 +# 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 "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); +#endif + +#if !HAVE_DECL_STRNDUP +char *strndup PARAMS ((const char *s, size_t size)); +#endif + +#if !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)); +#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 + + + +/*-----------------. +| GCC extensions. | +`-----------------*/ + +#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 +/* 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 +#endif + + +/*------. +| NLS. | +`------*/ + #ifdef HAVE_LOCALE_H # include #endif @@ -52,17 +158,158 @@ # define setlocale(Category, Locale) #endif -#ifdef ENABLE_NLS -# include -# define _(Text) gettext (Text) +#include "libgettext.h" +#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; + + +/*-----------. +| 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) + + +/*---------------------------------. +| Machine-dependencies for Bison. | +`---------------------------------*/ + +#ifdef eta10 +# define MAXSHORT 2147483647 +# define MINSHORT -2147483648 #else -# define bindtextdomain(Domain, Directory) -# define textdomain(Domain) -# define _(Text) Text +# define MAXSHORT 32767 +# define MINSHORT -32768 +#endif + +#if defined (MSDOS) && !defined (__GO32__) +# define BITS_PER_WORD 16 +# define MAXTABLE 16383 +#else +# define BITS_PER_WORD 32 +# define MAXTABLE 32767 +#endif + +#define WORDSIZE(n) (((n) + BITS_PER_WORD - 1) / BITS_PER_WORD) +#define SETBIT(x, i) ((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD))) +#define RESETBIT(x, i) ((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD))) +#define BITISSET(x, i) (((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0) + + +/*-----------------------------------------. +| 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 DEFAULT_TMPDIR +# define DEFAULT_TMPDIR "/tmp" #endif -#define N_(Text) Text -/* In the meantime, waiting for Automake. */ -#define LOCALEDIR "/usr/local/share/locale" -#endif /* BISON_SYSTEM_H */ + +/*----------------------------. +| As memcpy, but for shorts. | +`----------------------------*/ + +#define shortcpy(Dest, Src, Num) \ + memcpy (Dest, Src, Num * sizeof (short)) + +/*---------------------. +| 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 +# endif /* WITH_DMALLOC */ + +#endif /* ! BISON_SYSTEM_H */