method class_sig_item : class_sig_item -> 'self_type =
                  function
                  | CgNil _x -> let o = o#loc _x in o
                  | CgCtr (_x, _x_i1, _x_i2) ->
                      let o = o#loc _x in
                      let o = o#ctyp _x_i1 in let o = o#ctyp _x_i2 in o
                  | CgSem (_x, _x_i1, _x_i2) ->
                      let o = o#loc _x in
                      let o = o#class_sig_item _x_i1 in
                      let o = o#class_sig_item _x_i2 in o
                  | CgInh (_x, _x_i1) ->
                      let o = o#loc _x in let o = o#class_type _x_i1 in o
                  | CgMth (_x, _x_i1, _x_i2, _x_i3) ->
                      let o = o#loc _x in
                      let o = o#string _x_i1 in
                      let o = o#private_flag _x_i2 in
                      let o = o#ctyp _x_i3 in o
                  | CgVal (_x, _x_i1, _x_i2, _x_i3, _x_i4) ->
                      let o = o#loc _x in
                      let o = o#string _x_i1 in
                      let o = o#mutable_flag _x_i2 in
                      let o = o#virtual_flag _x_i3 in
                      let o = o#ctyp _x_i4 in o
                  | CgVir (_x, _x_i1, _x_i2, _x_i3) ->
                      let o = o#loc _x in
                      let o = o#string _x_i1 in
                      let o = o#private_flag _x_i2 in
                      let o = o#ctyp _x_i3 in o
                  | CgAnt (_x, _x_i1) ->
                      let o = o#loc _x in let o = o#string _x_i1 in o