(command.AndOr
  ops: [Id.Op_DAmp]
  children: [
    (command.ShFunction
      name: _ipv6calc
      body: 
        (BraceGroup
          children: [
            (C {<local>} {<cur>} {<prev>} {<words>} {<cword>} {<split>})
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<_init_completion>} {<-s>})
                (command.ControlFlow token:<Id.ControlFlow_Return return>)
              ]
            )
            (command.Case
              to_match: {(DQ ($ Id.VSub_DollarName '$prev'))}
              arms: [
                (case_arm
                  pat_list: [{<-d>} {<--debug>}]
                  action: [(command.ControlFlow token:<Id.ControlFlow_Return return> arg_word:{<0>})]
                  spids: [43 46 54 -1]
                )
                (case_arm
                  pat_list: [{<-I>} {<--in>} {<-O>} {<--out>} {<-A>} {<--action>}]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:COMPREPLY)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (sh_array_literal
                                left: <Id.Op_LParen _>
                                words: [
                                  {
                                    (command_sub
                                      left_token: <Id.Left_DollarParen '$('>
                                      child: 
                                        (C {<compgen>} {<-W>} 
                                          {
                                            (DQ 
                                              (command_sub
                                                left_token: <Id.Left_DollarParen '$('>
                                                child: 
                                                  (command.Pipeline
                                                    children: [
                                                      (command.Simple
                                                        words: [
                                                          {($ Id.VSub_Number '$1')}
                                                          {(DQ ($ Id.VSub_DollarName '$prev'))}
                                                          {<-h>}
                                                        ]
                                                        redirects: [
                                                          (redir
                                                            op: <Id.Redir_GreatAnd '2>&'>
                                                            loc: (redir_loc.Fd fd:2)
                                                            arg: {<1>}
                                                          )
                                                        ]
                                                        do_fork: T
                                                      )
                                                      (C {<sed>} {<-ne>} 
                                                        {
                                                          (SQ 
                                                            <
's/^[[:space:]]\\{1,\\}\\([^[:space:]:]\\{1,\\}\\)[[:space:]]*:.*/\\1/p'
                                                            >
                                                          )
                                                        }
                                                      )
                                                    ]
                                                    negated: F
                                                  )
                                              )
                                            )
                                          } {<-->} {(DQ ($ Id.VSub_DollarName '$cur'))}
                                        )
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [75]
                        )
                      ]
                    )
                    (command.ControlFlow
                      token: <Id.ControlFlow_Return return>
                      arg_word: {<0>}
                    )
                  ]
                  spids: [57 68 131 -1]
                )
                (case_arm
                  pat_list: [{<--db-geoip>} {<--db-ip2location-ipv4>} {<--db-ip2location-ipv6>}]
                  action: [
                    (C {<_filedir>})
                    (command.ControlFlow
                      token: <Id.ControlFlow_Return return>
                      arg_word: {<0>}
                    )
                  ]
                  spids: [134 139 150 -1]
                )
                (case_arm
                  pat_list: [{<--printstart>} {<--printend>}]
                  action: [(command.ControlFlow token:<Id.ControlFlow_Return return> arg_word:{<0>})]
                  spids: [153 156 164 -1]
                )
              ]
            )
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (C {($ Id.VSub_DollarName '$split')})
                (command.ControlFlow
                  token: <Id.ControlFlow_Return return>
                  arg_word: {<0>}
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              expr: 
                                (bool_expr.Binary
                                  op_id: Id.BoolBinary_GlobDEqual
                                  left: {(DQ ($ Id.VSub_DollarName '$cur'))}
                                  right: {<-> <Id.Lit_Other '*'>}
                                )
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:COMPREPLY)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (sh_array_literal
                                left: <Id.Op_LParen _>
                                words: [
                                  {
                                    (command_sub
                                      left_token: <Id.Left_DollarParen '$('>
                                      child: 
                                        (C {<compgen>} {<-W>} 
                                          {
                                            (SQ <'--help --debug --quiet --in --out --action\n'> 
                                              <
'            --examples --showinfo --show_types --machine_readable --db-geoip\n'
                                              > <'            --db-geoip-default --db-ip2location-ipv4 --db-ip2location-ipv6\n'> 
                                              <
'            --lowercase --uppercase --printprefix --printsuffix --maskprefix\n'
                                              > <'            --masksuffix --printstart --printend --printcompressed\n'> 
                                              <
'            --printuncompressed --printfulluncompressed --printmirrored'
                                              >
                                            )
                                          } {<-->} {(DQ ($ Id.VSub_DollarName '$cur'))}
                                        )
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [200]
                        )
                      ]
                    )
                    (command.ControlFlow
                      token: <Id.ControlFlow_Return return>
                      arg_word: {<0>}
                    )
                  ]
                  spids: [181 197]
                )
              ]
            )
            (command.ControlFlow token:<Id.ControlFlow_Return return> arg_word:{<0>})
          ]
        )
    )
    (C {<complete>} {<-F>} {<_ipv6calc>} {<ipv6calc>})
  ]
)