From 251cc531da8f13af7211c47567850fbdaba28f47 Mon Sep 17 00:00:00 2001
From: Stephen Adams <edu/mit/csail/zurich/adams>
Date: Fri, 5 May 1995 12:58:36 +0000
Subject: [PATCH] Added DBG-USE structure.

---
 v8/src/compiler/midend/dbgstr.scm | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/v8/src/compiler/midend/dbgstr.scm b/v8/src/compiler/midend/dbgstr.scm
index cf16c3993..8b786d25e 100644
--- a/v8/src/compiler/midend/dbgstr.scm
+++ b/v8/src/compiler/midend/dbgstr.scm
@@ -1,8 +1,8 @@
 #| -*-Scheme-*-
 
-$Id: dbgstr.scm,v 1.11 1995/04/27 23:16:34 adams Exp $
+$Id: dbgstr.scm,v 1.12 1995/05/05 12:58:36 adams Exp $
 
-Copyright (c) 1994 Massachusetts Institute of Technology
+Copyright (c) 1994-1995 Massachusetts Institute of Technology
 
 This material was developed by the Scheme project at the Massachusetts
 Institute of Technology, Department of Electrical Engineering and
@@ -241,6 +241,22 @@ MIT in each case. |#
 	 (new-dbg-continuation/new-block object block*))
 	(else (internal-error "Not a dbg expression or procedure" object))))
   
+
+(define-structure
+    (dbg-use
+     (conc-name dbg-use/)
+     (constructor dbg-use/make (name))
+     (print-procedure
+      (standard-unparser-method 'DBG-USE
+	(lambda (u port)
+	  (write-char #\Space port)
+	  (display (dbg-use/name u) port)))))
+  (name #F read-only true)		; e.g. n-15
+  (definitions '() read-only false)	; n-15 -> n-15-43
+					; n-15 -> cell-ref(n-15-cell)
+  ;;(indirect-definitions '() read-only false)
+  (expressions '() read-only false)	; accessor(accessor(n-15))
+  )
 
 (define *dbg-rewrites*)
 
-- 
2.25.1