anchor.diff:              self.class_names.pop()
               #print('END interface')
   
  -            self.addBlock($l.line, $r.line, $l.line)
  +            self.addBlock(l.line, r.line, l.line)
           }
       ;
   
  
positive.code:             self.class_names.pop()
              #print('END class')
  
              self.addBlock($l.line, $r.line, $l.line)
          }
      ;
  
  
negative.code:             self.class_names.pop()
              #print('END struct')
  
              self.addBlock(l.line, r.line, l.line)
          }
      ;
  
  