Factor handling the base case out of dereference

Author: hannes-steffenhagen-diffblue

src/pointer-analysis/value_set_dereference.cpp

@@ -141,7 +141,13 @@ exprt value_set_dereferencet::dereference(
     }
   }
 
-  // type of the object
+  return handle_dereference_base_case(pointer, display_points_to_sets);
+}
+
+exprt value_set_dereferencet::handle_dereference_base_case(
+  const exprt &pointer,
+  bool display_points_to_sets)
+{ // type of the object
   const typet &type=pointer.type().subtype();
 
   // collect objects the pointer may point to

src/pointer-analysis/value_set_dereference.h

@@ -112,6 +112,9 @@ class value_set_dereferencet final
   const bool exclude_null_derefs;
   const messaget &log;
   valuet get_failure_value(const exprt &pointer, const typet &type);
+  exprt handle_dereference_base_case(
+    const exprt &pointer,
+    bool display_points_to_sets);
 };
 
 #endif // CPROVER_POINTER_ANALYSIS_VALUE_SET_DEREFERENCE_H