+ void (*close)(dbg_handle *handle);
+
+ /** start a new source object (compilation unit) */
+ void (*so)(dbg_handle *handle, const char *filename);
+
+ /** start an include file */
+ void (*include_begin)(dbg_handle *handle, const char *filename);
+
+ /** end an include file */
+ void (*include_end)(dbg_handle *handle);
+
+ /** Main Program */
+ void (*main_program)(dbg_handle *handle);