SELECT  lpad(NAME,7 * (level),'-') ||
                decode(level,1,'+',2,' ',3,'|',4,'*',''),TYPE,REFERENCED_NAME,REFERENCED_TYPE,LEVEL
  FROM dba_dependencies
 where REFERENCED_OWNER <> 'SYS'
   AND TYPE NOT IN ('TABLE','VIEW')
   AND REFERENCED_TYPE NOT IN ('TABLE','VIEW')
 START WITH NAME = '&1'
CONNECT BY nocycle PRIOR REFERENCED_NAME = NAME;