X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?a=blobdiff_plain;f=src%2Fscheme-primitives.4th;h=dbb68bc63aa56f57386a9b9d7c96eadcd4558cff;hb=c775ab2562b213ac96fe1803d4e7001a73e874a8;hp=a9b47413b7143ab70f5d22213d746a9959e33f1d;hpb=f1f104259426dc77ec46ae1ac3bda65fcc19a034;p=scheme.forth.jl.git

diff --git a/src/scheme-primitives.4th b/src/scheme-primitives.4th
index a9b4741..dbb68bc 100644
--- a/src/scheme-primitives.4th
+++ b/src/scheme-primitives.4th
@@ -610,6 +610,14 @@ defer display
 :noname ( proc -- result )
     make-continuation
 
+    ( Note that we get to this point either when
+    make-continuation is originally called or when
+    restore-continuation is called.  Since we don't
+    want to call proc again following a restore,
+    we use the boolean values placed on the parameter
+    stack by make-continuation and restore-continuation
+    to detect which call got us here and act accordingly. )
+
     drop if
         nil cons
         2swap apply
@@ -617,8 +625,6 @@ defer display
         2swap 2drop
     then
 
-    trace
-
 ; 1 make-fa-primitive call-with-current-continuation
 
 \ }}}