From: Guillermo J. Rozas <edu/mit/csail/zurich/gjr>
Date: Fri, 15 Sep 1989 17:18:08 +0000 (+0000)
Subject: Fix bug in 1d-table/alist, and add 1d-table/for-each.
X-Git-Tag: 20090517-FFI~11799
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=ebfbee4da2a801af6d3fd62a9e205ae067101673;p=mit-scheme.git

Fix bug in 1d-table/alist, and add 1d-table/for-each.
---

diff --git a/v7/src/runtime/prop1d.scm b/v7/src/runtime/prop1d.scm
index ea832f293..7f3260437 100644
--- a/v7/src/runtime/prop1d.scm
+++ b/v7/src/runtime/prop1d.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/prop1d.scm,v 14.3 1989/06/06 22:28:51 cph Rel $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/prop1d.scm,v 14.4 1989/09/15 17:16:35 jinx Rel $
 
 Copyright (c) 1988, 1989 Massachusetts Institute of Technology
 
@@ -142,4 +142,21 @@ MIT in each case. |#
 		  (loop previous next result))
 		(loop alist
 		      next
-		      (cons (cons key (system-pair-cdr entry)) result))))))))
\ No newline at end of file
+		      (cons (cons (and (not (eq? key false-key)) key)
+				  (system-pair-cdr entry))
+			    result))))))))
+
+(define (1d-table/for-each proc table)
+  (let loop ((previous table) (alist (cdr table)))
+    (if (not (null? alist))
+	(let ((entry (car alist))
+	      (next (cdr alist)))
+	  (let ((key (system-pair-car entry)))
+	    (if key
+		(begin
+		  (proc (and (not (eq? key false-key)) key)
+			(system-pair-cdr entry))
+		  (loop alist next))
+		(begin
+		  (set-cdr! previous next)
+		  (loop previous next))))))))
\ No newline at end of file
diff --git a/v7/src/runtime/version.scm b/v7/src/runtime/version.scm
index 12d60334f..9918bd271 100644
--- a/v7/src/runtime/version.scm
+++ b/v7/src/runtime/version.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/version.scm,v 14.56 1989/08/18 19:15:16 cph Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/version.scm,v 14.57 1989/09/15 17:18:08 jinx Exp $
 
 Copyright (c) 1988, 1989 Massachusetts Institute of Technology
 
@@ -45,7 +45,7 @@ MIT in each case. |#
 		     '()))
   (add-system! microcode-system)
   (add-event-receiver! event:after-restore snarf-microcode-version!)
-  (add-identification! "Runtime" 14 56))
+  (add-identification! "Runtime" 14 57))
 (define microcode-system)
 
 (define (snarf-microcode-version!)