X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f2d78a995d188a34e59b1ab1af646d0f5efc40f0..464c692789eba089bb21ebd3983ebeaa4a8d3312:/src/system.h diff --git a/src/system.h b/src/system.h index 5d332099..068b308a 100644 --- a/src/system.h +++ b/src/system.h @@ -1,29 +1,163 @@ -#ifdef MSDOS -#include +/* System-dependent definitions for Bison. + + Copyright (C) 2000, 2001, 2002, 2003 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 + +#if HAVE_CONFIG_H +# include +#endif + +#include +#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_STDLIB_H +# include #endif -#if (defined(VMS) || defined(MSDOS)) && !defined(HAVE_STRING_H) -#define HAVE_STRING_H 1 +/* 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 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 */ +#include + +#if HAVE_UINTPTR_T +# if HAVE_INTTYPES_H +# include +# else +# if HAVE_STDINT_H +# include +# endif +# endif +#else +/* This isn't perfect, but it's good enough for Bison, which needs + only to hash pointers. */ +typedef size_t uintptr_t; +#endif + +#include +#define CALLOC(P, N) ((P) = xcalloc (N, sizeof *(P))) +#define MALLOC(P, N) ((P) = xmalloc ((N) * sizeof *(P))) +#define REALLOC(P, N) ((P) = xrealloc (P, (N) * sizeof *(P))) + +/* From xstrndup.c. */ +char *xstrndup (const char *s, size_t n); + + +/*---------------------. +| Missing prototypes. | +`---------------------*/ + +#if defined HAVE_DECL_STPCPY && !HAVE_DECL_STPCPY +char *stpcpy (char *dest, const char *src); +#endif + +#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 !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 + +#ifndef ATTRIBUTE_NORETURN +# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__)) +#endif + +#ifndef ATTRIBUTE_UNUSED +# define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +#endif + +/*------. +| NLS. | +`------*/ + #if HAVE_LOCALE_H # include #endif @@ -31,16 +165,132 @@ # define setlocale(Category, Locale) #endif -#if ENABLE_NLS -# include -# define _(Text) gettext (Text) +#include +#define _(Msgid) gettext (Msgid) +#define N_(Msgid) (Msgid) + + +/*-------------------------------. +| Fix broken compilation flags. | +`-------------------------------*/ + +#ifndef LOCALEDIR +# define LOCALEDIR "/usr/local/share/locale" +#endif + + +/*-----------. +| Booleans. | +`-----------*/ + +#if HAVE_STDBOOL_H +# include #else -# define bindtextdomain(Domain, Directory) -# define textdomain(Domain) -# define _(Text) Text +# ifndef __bool_true_false_are_defined +# if ! HAVE__BOOL +# ifdef __cplusplus +typedef bool _Bool; +# else +typedef unsigned char _Bool; +# endif +# endif +# define bool _Bool +# define false 0 +# define true 1 +# define __bool_true_false_are_defined 1 +# endif #endif -#define N_(Text) Text -/* In the meantime, waiting for Automake. */ -#define PACKAGE "bison" -#define LOCALEDIR "/usr/local/share/locale" + +/*-----------. +| 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. | +`-----------------------------------------*/ + +#ifdef VMS + /* VMS. */ +# define TAB_EXT "_tab" +# define OUTPUT_EXT ".output" +#else /* ! VMS */ +# ifdef MSDOS + /* MS DOS. */ +# define TAB_EXT "_tab" +# define OUTPUT_EXT ".out" +# else /* ! MSDOS */ + /* Standard. */ +# define TAB_EXT ".tab" +# define OUTPUT_EXT ".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 +# endif /* WITH_DMALLOC */ + +#endif /* ! BISON_SYSTEM_H */