X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/ceed8467b7db3615d3c9bfa9f3e5525d54c6a161..459ff06402112f742c4168320048d9bc4ccfb924:/src/system.h

diff --git a/src/system.h b/src/system.h
index 9c8ac08e..83e2b0a5 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 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
@@ -34,18 +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.  */
@@ -69,6 +67,11 @@
 extern int errno;
 #endif
 
+#if PROTOTYPES
+# define PARAMS(p) p
+#else
+# define PARAMS(p) ()
+#endif
 
 /*-----------------.
 | GCC extensions.  |
@@ -123,6 +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.  |
 `---------------------------------*/
@@ -147,3 +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