[GR-37080] Extract InstrumentableNode from a WrapperNode.

PullRequest: graal/11182

Author: Jaroslav Tulach

tools/src/com.oracle.truffle.tools.agentscript/src/com/oracle/truffle/tools/agentscript/impl/EventContextObject.java

@@ -129,7 +129,7 @@ private static Object iterateFrames(Object[] args, EventContextObject obj) throw
                 return null;
             }
             final Frame frame = frameInstance.getFrame(FrameInstance.FrameAccess.READ_WRITE);
-            Node instrumentableNode = InstrumentableNode.findInstrumentableParent(n);
+            Node instrumentableNode = findInstrumentableParent(n);
             if (instrumentableNode != null && lib.hasScope(instrumentableNode, frame)) {
                 try {
                     Object frameVars = new CurrentScopeView(lib.getScope(instrumentableNode, frame, false));
@@ -180,4 +180,19 @@ private String toStringImpl() {
                         ss.getSource().getName() + ":" +
                         ss.getStartLine() + ":" + ss.getStartColumn() + ")";
     }
+
+    static Node findInstrumentableParent(Node node) {
+        Node p = node;
+        while (p != null) {
+            Node n = p;
+            if (n instanceof InstrumentableNode.WrapperNode) {
+                n = ((InstrumentableNode.WrapperNode) n).getDelegateNode();
+            }
+            if (n instanceof InstrumentableNode && ((InstrumentableNode) n).isInstrumentable()) {
+                return n;
+            }
+            p = p.getParent();
+        }
+        return null;
+    }
 }