--- a/stage3/array_range_check.hh	Wed Jun 13 14:21:30 2012 +0100
+++ b/stage3/array_range_check.hh	Wed Jun 13 19:43:12 2012 +0100
@@ -54,6 +54,18 @@
     virtual ~array_range_check_c(void);
     int get_error_count();
 
+    /*************************/
+    /* B.1 - Common elements */
+    /*************************/
+    /**********************/
+    /* B.1.3 - Data types */
+    /**********************/
+    /********************************/
+    /* B 1.3.3 - Derived data types */
+    /********************************/
+    /* NOTE: we may later want to move this to a visitor that will focus on analysing the data type declarations! */
+    void *visit(subrange_c *symbol);
+  
     /*********************/
     /* B 1.4 - Variables */
     /*********************/