X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/8a278a045da60a9caa739541e15fabb8a2902a34..4654b0c0a8a355e7a8fcdf51b1a5eb6c485126f1:/src/system.h?ds=sidebyside
diff --git a/src/system.h b/src/system.h
index 9469cea3..57a432d0 100644
--- a/src/system.h
+++ b/src/system.h
@@ -1,69 +1,219 @@
+/* System-dependent definitions for Bison.
+
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 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 3 of the License, 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, see . */
+
#ifndef BISON_SYSTEM_H
#define BISON_SYSTEM_H
-#ifdef HAVE_CONFIG_H
-# include
-#endif
-
-#ifdef MSDOS
-#include
+/* flex 2.5.31 gratutiously defines macros like INT8_MIN. But this
+ runs afoul of pre-C99 compilers that have or
+ , which are included below if available. It also runs
+ afoul of pre-C99 compilers that define these macros in . */
+#if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901
+# undef INT8_MIN
+# undef INT16_MIN
+# undef INT32_MIN
+# undef INT8_MAX
+# undef INT16_MAX
+# undef UINT8_MAX
+# undef INT32_MAX
+# undef UINT16_MAX
+# undef UINT32_MAX
#endif
-#ifdef _MSC_VER
+#include
+#include
#include
-#include
-#define getpid _getpid
-#endif
+#include
-#if defined(HAVE_STDLIB_H) || defined(MSDOS)
-#include
+#if HAVE_SYS_TYPES_H
+# include
#endif
-#if defined(HAVE_UNISTD_H)
#include
+#include
+
+#ifndef UINTPTR_MAX
+/* 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(VMS) || defined(MSDOS)) && !defined(HAVE_STRING_H)
-#define HAVE_STRING_H 1
+
+/*---------.
+| Gnulib. |
+`---------*/
+
+#include
+#include
+#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
-#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))
+#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
-#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
+/* 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
-#ifdef HAVE_LOCALE_H
-# include
+#ifndef ATTRIBUTE_NORETURN
+# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
#endif
-#ifndef HAVE_SETLOCALE
-# define setlocale(Category, Locale)
+
+#ifndef ATTRIBUTE_UNUSED
+# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
#endif
-#ifdef ENABLE_NLS
-# include
-# define _(Text) gettext (Text)
-#else
-# define bindtextdomain(Domain, Directory)
-# define textdomain(Domain)
-# define _(Text) Text
+#define FUNCTION_PRINT() fprintf (stderr, "%s: ", __func__)
+
+/*------.
+| NLS. |
+`------*/
+
+#include
+
+#include
+#define _(Msgid) gettext (Msgid)
+#define N_(Msgid) (Msgid)
+
+
+/*-----------.
+| Booleans. |
+`-----------*/
+
+#include
+
+
+
+/*-------------.
+| Assertions. |
+`-------------*/
+
+/* 's assertions are too heavyweight, and can be disabled
+ too easily, so use aver rather than assert. */
+static inline void
+aver (bool assertion)
+{
+ if (! assertion)
+ abort ();
+}
+
+
+/*-----------.
+| 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
-#define N_(Text) Text
-#ifndef LOCALEDIR
-#define LOCALEDIR "/usr/local/share/locale"
+#ifndef TAB_EXT
+# define TAB_EXT ".tab"
#endif
-#endif /* BISON_SYSTEM_H */
+#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 */