Mark internal roots as internal

Author: msimacek

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/capi/ExternalFunctionNodes.java

@@ -959,6 +959,11 @@ public boolean isPythonInternal() {
             return true;
         }
 
+        @Override
+        public boolean isInternal() {
+            return true;
+        }
+
         protected final Object readSelf(VirtualFrame frame) {
             if (readSelfNode != null) {
                 return readSelfNode.execute(frame);

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/hpy/HPyExternalFunctionNodes.java

@@ -543,6 +543,11 @@ public String toString() {
             return "<METH root " + name.toJavaStringUncached() + ">";
         }
 
+        @Override
+        public boolean isInternal() {
+            return true;
+        }
+
         @Override
         public boolean isPythonInternal() {
             return true;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/common/SortNodes.java

@@ -153,6 +153,11 @@ public boolean isPythonInternal() {
             return true;
         }
 
+        @Override
+        public boolean isInternal() {
+            return true;
+        }
+
         @Override
         public String getName() {
             return "sort_comparator";

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/expression/CallArithmeticRootNode.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * The Universal Permissive License (UPL), Version 1.0
@@ -57,6 +57,11 @@ protected CallArithmeticRootNode(TruffleLanguage<?> language) {
         super(language);
     }
 
+    @Override
+    public boolean isInternal() {
+        return true;
+    }
+
     @Override
     public boolean isPythonInternal() {
         return true;