src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/tree/TreeImpl.java

@@ -73,18 +73,22 @@
                 return Kind.AND_ASSIGNMENT;
             case MUL:
                 return Kind.MULTIPLY;
             case ASSIGN_MUL:
                 return Kind.MULTIPLY_ASSIGNMENT;
+            case POS:
+                return Kind.UNARY_PLUS;
             case ADD:
                 return Kind.PLUS;
             case INCPREFIX:
                 return Kind.PREFIX_INCREMENT;
             case INCPOSTFIX:
                 return Kind.POSTFIX_INCREMENT;
             case ASSIGN_ADD:
                 return Kind.PLUS_ASSIGNMENT;
+            case NEG:
+                return Kind.UNARY_MINUS;
             case SUB:
                 return Kind.MINUS;
             case DECPREFIX:
                 return Kind.PREFIX_DECREMENT;
             case DECPOSTFIX: