X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/8c7ebe49468c229227e6d21c0b48c459dbf1856c..b203fc2c07f45cdd77a59f38795fed0109c75716:/src/system.h diff --git a/src/system.h b/src/system.h index ff05ea66..62640c5c 100644 --- a/src/system.h +++ b/src/system.h @@ -1,5 +1,6 @@ -/* system-dependent definitions for Bison. - Copyright (C) 2000 Free Software Foundation, Inc. +/* System-dependent definitions for Bison. + + Copyright (C) 2000, 2001, 2002, 2003, 2004 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 @@ -18,101 +19,97 @@ #ifndef BISON_SYSTEM_H #define BISON_SYSTEM_H -#ifdef HAVE_CONFIG_H +#if HAVE_CONFIG_H # include #endif +#include +#include #include +#include +#include -#include +/* Verify a requirement at compile-time (unlike assert, which is runtime). */ +#define verify(name, assertion) struct name {char name[(assertion) ? 1 : -1];} -#ifdef MSDOS -# include +#if HAVE_SYS_TYPES_H +# include #endif -#ifdef _MSC_VER -# include -# include -# define getpid _getpid +#if HAVE_UNISTD_H +# include #endif -#if HAVE_STDLIB_H -# include +#if HAVE_INTTYPES_H +# include +#endif +#if HAVE_STDINT_H +# include #endif -#if HAVE_UNISTD_H -# include +#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)) -# 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 */ +#include +#define CALLOC(P, N) ((P) = xcalloc (N, sizeof *(P))) +#define MALLOC(P, N) ((P) = xnmalloc (N, sizeof *(P))) +#define REALLOC(P, N) ((P) = xnrealloc (P, N, sizeof *(P))) -#if defined(STDC_HEADERS) || defined(HAVE_CTYPE_H) -# include -#endif -#include -#ifndef errno -extern int errno; -#endif +/*---------------------. +| Missing prototypes. | +`---------------------*/ + +#include -#if PROTOTYPES -# define PARAMS(p) p -#else -# define PARAMS(p) () -#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 __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 /*------. | NLS. | `------*/ -#ifdef HAVE_LOCALE_H -# include -#endif -#ifndef HAVE_SETLOCALE -# define setlocale(Category, Locale) -#endif +#include -#ifdef ENABLE_NLS -# include -# define _(Text) gettext (Text) -#else -# undef bindtextdomain -# define bindtextdomain(Domain, Directory) -# undef textdomain -# define textdomain(Domain) -# define _(Text) Text -#endif -#define N_(Text) Text +#include +#define _(Msgid) gettext (Msgid) +#define N_(Msgid) (Msgid) /*-------------------------------. @@ -123,56 +120,24 @@ extern int errno; # define LOCALEDIR "/usr/local/share/locale" #endif -#endif /* BISON_SYSTEM_H */ - - -/*---------------------------------. -| 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 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) - /*-----------. | Booleans. | `-----------*/ -#ifndef TRUE -# define TRUE (1) -# define FALSE (0) -#endif -typedef int bool; +#include /*-----------. | 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_grow_literal_string(Obs, Str) \ - obstack_grow (Obs, Str, sizeof (Str) - 1) +#define obstack_sgrow(Obs, Str) \ + obstack_grow (Obs, Str, strlen (Str)) #define obstack_fgrow1(Obs, Format, Arg1) \ do { \ @@ -180,3 +145,78 @@ do { \ 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 */