Make dummy reduction be recognizable as such, rather than spuriously

show up.

diff --git a/v7/src/runtime/histry.scm b/v7/src/runtime/histry.scm
index 98945e48af082742b10dbef8e4582a47ee49829c..ec7b4184f0f7b4160442da235a6db624fa36cfb1 100644 (file)
--- a/v7/src/runtime/histry.scm
+++ b/v7/src/runtime/histry.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/histry.scm,v 14.4 1991/08/06 22:12:23 arthur Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/histry.scm,v 14.5 1991/08/08 19:54:07 jinx Exp $
 
 Copyright (c) 1988, 1989, 1990 Massachusetts Institute of Technology
 
@@ -134,7 +134,7 @@ MIT in each case. |#
 ;;; SET-CURRENT-HISTORY! is run.
 
 (define (with-new-history thunk)
-  (with-history-disabled
+  ((ucode-primitive with-history-disabled)
     (lambda ()
       ((ucode-primitive set-current-history!)
        (let ((history
@@ -148,9 +148,7 @@ MIT in each case. |#
 
             ;; Otherwise, record a dummy reduction, which will appear
             ;; in the history.
-            (begin (record-evaluation-in-history! history
-                                                  false
-                                                  system-global-environment)
+            (begin (record-dummy-reduction-in-history! history)
                    (push-history! history)))))
       (thunk))))
 
@@ -204,7 +202,7 @@ MIT in each case. |#
                  (if (marked-reduction? current)
                      '()
                      output)))
-            (if (dummy-compiler-reduction? current)
+            (if (dummy-reduction? current)
                 tail
                 (cons (list (reduction-expression current)
                             (reduction-environment current))
@@ -213,10 +211,16 @@ MIT in each case. |#
          step
          (loop (next-reduction current) step)))))
 
-(define (dummy-compiler-reduction? reduction)
+(define (dummy-reduction? reduction)
   (and (false? (reduction-expression reduction))
        (eq? (ucode-return-address pop-from-compiled-code)
-           (reduction-environment reduction))))
+           (reduction-environment reduction))))                                 
+
+(define (record-dummy-reduction-in-history! history)
+  (record-evaluation-in-history!
+   history
+   false
+   (ucode-return-address pop-from-compiled-code)))
 
 (define (history-superproblem history)
   (if (null? (cdr history))

diff --git a/v7/src/runtime/version.scm b/v7/src/runtime/version.scm
index 5b9bbd1c9c385cc9a7cc795cc56a2f43a184d447..b146cf0b5d0fa4fc73c504b764f725f358f0ef07 100644 (file)
--- 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 14.128 1991/08/06 22:14:08 arthur Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/version.scm,v 14.129 1991/08/08 19:54:33 jinx Exp $
 
 Copyright (c) 1988-91 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" 14 128))
+  (add-identification! "Runtime" 14 129))
 
 (define microcode-system)