Adopt ExpressionNode before executing it

enso-org · Aug 8, 2023 · d1b5913 · d1b5913
1 parent 5bcea5a
commit d1b5913
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/engine/runtime/src/main/java/org/enso/interpreter/EnsoLanguage.java b/engine/runtime/src/main/java/org/enso/interpreter/EnsoLanguage.java
@@ -280,9 +280,15 @@ protected ExecutableNode parse(InlineParsingRequest request) throws InlineParsin
       if (exprNode.isDefined()) {
         var language = EnsoLanguage.get(exprNode.get());
         return new ExecutableNode(language) {
+          @Child
+          private ExpressionNode expr;
+
           @Override
           public Object execute(VirtualFrame frame) {
-            return exprNode.get().executeGeneric(frame);
+            if (expr == null) {
+              expr = insert(exprNode.get());
+            }
+            return expr.executeGeneric(frame);
           }
         };
       }