X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/ceed8467b7db3615d3c9bfa9f3e5525d54c6a161..d04946c717fd1de8a29804bccf7b2e766970b8ae:/src/system.h diff --git a/src/system.h b/src/system.h index 9c8ac08e..e297f608 100644 --- a/src/system.h +++ b/src/system.h @@ -1,5 +1,5 @@ /* system-dependent definitions for Bison. - Copyright (C) 2000 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 @@ -18,32 +18,53 @@ #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 -#ifdef MSDOS -# include +#include + +#if HAVE_SYS_TYPES_H +# include #endif -#ifdef _MSC_VER +#if HAVE_STDLIB_H # include -# include -# define getpid _getpid #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) @@ -52,64 +73,107 @@ # 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 */ -#if defined(STDC_HEADERS) || defined(HAVE_CTYPE_H) -# include +#include +#include + +# include "xalloc.h" + +/* From xstrndup.c. */ +char *xstrndup (const char *s, size_t n); + + +/*----------------. +| Using timevar. | +`----------------*/ + +#include "timevar.h" +extern int time_report; + + +/*---------------------. +| Missing prototypes. | +`---------------------*/ + +#if defined HAVE_DECL_STPCPY && !HAVE_DECL_STPCPY +char *stpcpy (char *dest, const char *src); #endif -#include -#ifndef errno -extern int errno; +#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 __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 +#if HAVE_LOCALE_H # include #endif -#ifndef HAVE_SETLOCALE +#if !HAVE_SETLOCALE # define setlocale(Category, Locale) #endif -#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 "gettext.h" +#define _(Msgid) gettext (Msgid) +#define N_(Msgid) (Msgid) /*-------------------------------. @@ -120,30 +184,107 @@ extern int errno; # define LOCALEDIR "/usr/local/share/locale" #endif -#endif /* BISON_SYSTEM_H */ - -/*---------------------------------. -| Machine-dependencies for Bison. | -`---------------------------------*/ +/*-----------. +| Booleans. | +`-----------*/ -#ifdef eta10 -# define MAXSHORT 2147483647 -# define MINSHORT -2147483648 +#if HAVE_STDBOOL_H +# include #else -# define MAXSHORT 32767 -# define MINSHORT -32768 +typedef enum {false = 0, true = 1} bool; #endif -#if defined (MSDOS) && !defined (__GO32__) -# define BITS_PER_WORD 16 -# define MAXTABLE 16383 -#else -# define BITS_PER_WORD 32 -# define MAXTABLE 32767 + +/*-----------. +| 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) + + + +/*-----------------------------------------. +| Extensions to use for the output files. | +`-----------------------------------------*/ + +#ifdef VMS + /* VMS. */ +# define EXT_TAB "_tab" +# define EXT_OUTPUT ".output" +#else /* ! VMS */ +# ifdef MSDOS + /* MS DOS. */ +# define EXT_TAB "_tab" +# define EXT_OUTPUT ".out" +# else /* ! MSDOS */ + /* Standard. */ +# define EXT_TAB ".tab" +# define EXT_OUTPUT ".output" +# endif /* ! MSDOS */ +#endif /* ! VMS */ + +#ifndef DEFAULT_TMPDIR +# define DEFAULT_TMPDIR "/tmp" #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) + + +/*---------------------. +| 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 */