--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/debug/ActiveLeaveDebugProbe.java	Mon Feb 10 03:39:21 2014 +0000
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2013, 2014 Oracle and/or its affiliates. All rights reserved. This
+ * code is released under a tri EPL/GPL/LGPL license. You can use it,
+ * redistribute it and/or modify it under the terms of the:
+ *
+ * Eclipse Public License version 1.0
+ * GNU General Public License version 2
+ * GNU Lesser General Public License version 2.1
+ */
+package com.oracle.truffle.ruby.nodes.debug;
+
+import com.oracle.truffle.api.*;
+import com.oracle.truffle.api.frame.*;
+import com.oracle.truffle.api.nodes.*;
+import com.oracle.truffle.ruby.nodes.*;
+import com.oracle.truffle.ruby.runtime.*;
+import com.oracle.truffle.ruby.runtime.core.*;
+
+public abstract class ActiveLeaveDebugProbe extends RubyProbe {
+
+    private final Assumption activeAssumption;
+
+    private final InlinableMethodImplementation inlinable;
+    private final RubyRootNode inlinedRoot;
+
+    public ActiveLeaveDebugProbe(RubyContext context, Assumption activeAssumption, RubyProc proc) {
+        super(context, false);
+        this.activeAssumption = activeAssumption;
+        inlinable = ((InlinableMethodImplementation) proc.getMethod().getImplementation());
+        inlinedRoot = inlinable.getCloneOfPristineRootNode();
+    }
+
+    @Override
+    public void leave(Node astNode, VirtualFrame frame, Object result) {
+        try {
+            activeAssumption.check();
+        } catch (InvalidAssumptionException e) {
+            replace(createInactive());
+            return;
+        }
+
+        final RubyArguments arguments = new RubyArguments(inlinable.getDeclarationFrame(), NilPlaceholder.INSTANCE, null, result);
+        final VirtualFrame inlinedFrame = Truffle.getRuntime().createVirtualFrame(frame.pack(), arguments, inlinable.getFrameDescriptor());
+        inlinedRoot.execute(inlinedFrame);
+    }
+
+    protected abstract InactiveLeaveDebugProbe createInactive();
+
+}