* src: s/Copyright (C)/Copyright/g.

[bison.git] / src / system.h

diff --git a/src/system.h b/src/system.h
index d878feb24752dd65dfa06dddf41809e2c6fec4ad..797ae545becc73eadda568bbc92f4f963706a192 100644 (file)
--- 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 2000 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
@@ -22,6 +22,10 @@
 # include <config.h>
 #endif
 
+#include <stdio.h>
+
+#include <assert.h>
+
 #ifdef MSDOS
 # include <io.h>
 #endif
@@ -32,18 +36,14 @@
 # define getpid _getpid
 #endif
 
-#if defined(HAVE_STDLIB_H) || defined(MSDOS)
+#if HAVE_STDLIB_H
 # include <stdlib.h>
 #endif
 
-#if defined(HAVE_UNISTD_H)
+#if HAVE_UNISTD_H
 # include <unistd.h>
 #endif
 
-#if (defined(VMS) || defined(MSDOS)) && !defined(HAVE_STRING_H)
-# define HAVE_STRING_H 1
-#endif
-
 #if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
 # include <string.h>
 /* An ANSI string.h and pre-ANSI memory.h might conflict.  */
@@ -67,6 +67,11 @@
 extern int errno;
 #endif
 
+#if PROTOTYPES
+# define PARAMS(p) p
+#else
+# define PARAMS(p) ()
+#endif
 
 /*-----------------.
 | GCC extensions.  |
@@ -119,3 +124,73 @@ extern int errno;
 #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;
+
+
+/*-----------.
+| Obstacks.  |
+`-----------*/
+
+#define obstack_chunk_alloc xmalloc
+#define obstack_chunk_free  free
+#include "obstack.h"
+
+#define obstack_grow_literal_string(Obs, Str) \
+  obstack_grow (Obs, Str, sizeof (Str) - 1)
+
+#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)