X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/3e2bf5adf6cb4bc26a133deb19b183dd31e8d48c..f9315de5a470cb492502c8fbcadafca3a47abd33:/src/system.h diff --git a/src/system.h b/src/system.h index e53fef40..755a75cb 100644 --- a/src/system.h +++ b/src/system.h @@ -1,71 +1,212 @@ +/* System-dependent definitions for Bison. + + Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + #ifndef BISON_SYSTEM_H #define BISON_SYSTEM_H -#ifdef HAVE_CONFIG_H +#if HAVE_CONFIG_H # include #endif -#ifdef MSDOS -#include -#endif - -#ifdef _MSC_VER +#include +#include +#include #include -#include -#define getpid _getpid +#include + +/* Verify a requirement at compile-time (unlike assert, which is runtime). */ +#define verify(name, assertion) struct name {char name[(assertion) ? 1 : -1];} + +#if HAVE_SYS_TYPES_H +# include #endif -#if defined(HAVE_STDLIB_H) || defined(MSDOS) -#include +#if HAVE_UNISTD_H +# include #endif -#if defined(HAVE_UNISTD_H) -#include +#if HAVE_INTTYPES_H +# include +#endif +#if HAVE_STDINT_H +# include #endif -#if (defined(VMS) || defined(MSDOS)) && !defined(HAVE_STRING_H) -#define HAVE_STRING_H 1 +#if ! HAVE_UINTPTR_T +/* This isn't perfect, but it's good enough for Bison, which needs + only to hash pointers. */ +typedef size_t uintptr_t; #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 */ -#ifndef bcopy -#define bcopy(src, dst, num) memcpy((dst), (src), (num)) +#include + + +/*---------------------. +| Missing prototypes. | +`---------------------*/ + +#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 -#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 +#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 -#ifdef HAVE_LOCALE_H -# include +/* 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 -#ifndef HAVE_SETLOCALE -# define setlocale(Category, Locale) + +#ifndef ATTRIBUTE_NORETURN +# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) #endif -#ifdef ENABLE_NLS -# include -# define _(Text) gettext (Text) -#else -# undef bindtextdomain -# define bindtextdomain(Domain, Directory) -# undef textdomain -# define textdomain(Domain) -# define _(Text) Text +#ifndef ATTRIBUTE_UNUSED +# define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) #endif -#define N_(Text) Text + +/*------. +| NLS. | +`------*/ + +#include + +#include +#define _(Msgid) gettext (Msgid) +#define N_(Msgid) (Msgid) + + +/*-------------------------------. +| Fix broken compilation flags. | +`-------------------------------*/ #ifndef LOCALEDIR -#define LOCALEDIR "/usr/local/share/locale" +# define LOCALEDIR "/usr/local/share/locale" #endif -#endif /* BISON_SYSTEM_H */ + +/*-----------. +| Booleans. | +`-----------*/ + +#include + + +/*-----------. +| Obstacks. | +`-----------*/ + +#define obstack_chunk_alloc xmalloc +#define obstack_chunk_free free +#include + +#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. | +`-----------------------------------------*/ + +#ifndef OUTPUT_EXT +# define OUTPUT_EXT ".output" +#endif + +#ifndef TAB_EXT +# define TAB_EXT ".tab" +#endif + +#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; \ + free (_node); \ + } \ +} while (0) + + +/*---------------------------------------------. +| Debugging memory allocation (must be last). | +`---------------------------------------------*/ + +# if WITH_DMALLOC +# define DMALLOC_FUNC_CHECK +# include +# endif /* WITH_DMALLOC */ + +#endif /* ! BISON_SYSTEM_H */