[Guile-commits] 03/03: Remove SCM_UNBOUND

[Andy Wingo]

wingo pushed a commit to branch master
in repository guile.

commit 7f61d5f17ab6f49c16843d77da6bf142dde62fca
Author: Andy Wingo <address@hidden>
Date:   Fri Sep 22 16:03:34 2017 +0200

    Remove SCM_UNBOUND
    
    * libguile/tags.h (SCM_UNBOUND_BITS, SCM_UNBOUND): Remove, as these were
      only for GOOPS and they are no longer used by GOOPS.
---
 libguile/tags.h | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/libguile/tags.h b/libguile/tags.h
index 3a01a15..50f3538 100644
--- a/libguile/tags.h
+++ b/libguile/tags.h
@@ -3,7 +3,7 @@
 #ifndef SCM_TAGS_H
 #define SCM_TAGS_H
 
-/* Copyright (C) 
1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2008,2009,2010,2011,2012,2013,2014,2015
+/* Copyright (C) 1995-2004,2008-2015,2017
  * Free Software Foundation, Inc.
  *
  * This library is free software; you can redistribute it and/or
@@ -530,17 +530,6 @@ enum scm_tc8_tags
 #define SCM_UNDEFINED          SCM_PACK (SCM_UNDEFINED_BITS)
 #define SCM_EOF_VAL            SCM_PACK (SCM_EOF_VAL_BITS)
 
-/* When a variable is unbound this is marked by the SCM_UNDEFINED
- * value.  The following is an unbound value which can be handled on
- * the Scheme level, i.e., it can be stored in and retrieved from a
- * Scheme variable.  This value is only intended to mark an unbound
- * slot in GOOPS.  It is needed now, but we should probably rewrite
- * the code which handles this value in C so that SCM_UNDEFINED can be
- * used instead.  It is not ideal to let this kind of unique and
- * strange values loose on the Scheme level.  */
-#define SCM_UNBOUND_BITS       SCM_MAKIFLAG_BITS (11)
-#define SCM_UNBOUND            SCM_PACK (SCM_UNBOUND_BITS)
-
 #define SCM_UNBNDP(x)          (scm_is_eq ((x), SCM_UNDEFINED))
 
 /*