* configure.in: Bump to 1.28c.

[bison.git] / src / system.h

diff --git a/src/system.h b/src/system.h
index 56a0ba0ea9b548c353804822c03e3373c310300a..83e2b0a51f0bde196afc8ac3bb2636f9b4e7b458 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
@@ -24,6 +24,8 @@
 
 #include <stdio.h>
 
+#include <assert.h>
+
 #ifdef MSDOS
 # include <io.h>
 #endif
@@ -124,6 +126,57 @@ extern int errno;
 #endif  /* BISON_SYSTEM_H */
 
 
+/*-----------.
+| 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_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)
+
+
 /*---------------------------------.
 | Machine-dependencies for Bison.  |
 `---------------------------------*/
@@ -148,3 +201,46 @@ extern int errno;
 #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)
+
+
+/* Extensions to use for the output files. */
+
+#ifdef VMS
+  /* VMS. */
+# define EXT_TAB       "_tab"
+# define EXT_OUTPUT    ".output"
+# define EXT_STYPE_H   "_stype"
+# define EXT_GUARD_C   "_guard"
+#else /* ! VMS */
+# ifdef MSDOS
+   /* MS DOS. */
+#  define EXT_TAB      "_tab"
+#  define EXT_OUTPUT   ".out"
+#  define EXT_STYPE_H  ".sth"
+#  define EXT_GUARD_C  ".guc"
+# else /* ! MSDOS */
+  /* Standard. */
+#  define EXT_TAB      ".tab"
+#  define EXT_OUTPUT   ".output"
+#  define EXT_STYPE_H  ".stype"
+#  define EXT_GUARD_C  ".guard"
+# endif /* ! MSDOS */
+#endif /* ! VMS */
+
+#if defined (VMS) & !defined (__VMS_POSIX)
+# ifndef BISON_SIMPLE
+#  define BISON_SIMPLE "GNU_BISON:[000000]BISON.SIMPLE"
+# endif
+# ifndef BISON_HAIRY
+#  define BISON_HARIRY "GNU_BISON:[000000]BISON.HAIRY"
+# endif
+#endif
+
+#if defined (_MSC_VER)
+# ifndef BISON_SIMPLE
+#  define BISON_SIMPLE "c:/usr/local/lib/bison.simple"
+# endif
+# ifndef BISON_HAIRY
+#  define BISON_HAIRY "c:/usr/local/lib/bison.hairy"
+# endif
+#endif