(command.AndOr
  ops: [Id.Op_DAmp]
  children: [
    (command.ShFunction
      name: _cal
      body: 
        (BraceGroup
          children: [
            (C {<local>} {<cur>} {<prev>} {<words>} {<cword>})
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<_init_completion>})
                (command.ControlFlow token:<Id.ControlFlow_Return return>)
              ]
            )
            (command.Case
              to_match: {($ Id.VSub_DollarName '$prev')}
              arms: [
                (case_arm
                  pat_list: [{<-m>}]
                  action: [
                    (command.If
                      arms: [
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (command.DBracket
                                      expr: 
                                        (bool_expr.Binary
                                          op_id: Id.BoolBinary_GlobDEqual
                                          left: {($ Id.VSub_DollarName '$OSTYPE')}
                                          right: {<Id.Lit_Other '*'> <bsd> <Id.Lit_Other '*'>}
                                        )
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:COMPREPLY)
                                  op: assign_op.Equal
                                  rhs: 
                                    {
                                      (sh_array_literal
                                        left: <Id.Op_LParen _>
                                        words: [
                                          {
                                            (command_sub
                                              left_token: <Id.Left_DollarParen '$('>
                                              child: 
                                                (C {<compgen>} {<-W>} {(SQ <'{1..12}'>)} {<-->} 
                                                  {(DQ ($ Id.VSub_DollarName '$cur'))}
                                                )
                                            )
                                          }
                                        ]
                                      )
                                    }
                                  spids: [66]
                                )
                              ]
                            )
                            (command.ControlFlow
                              token: <Id.ControlFlow_Return return>
                            )
                          ]
                          spids: [48 63]
                        )
                      ]
                    )
                  ]
                  spids: [44 45 96 -1]
                )
                (case_arm
                  pat_list: [{<-s>}]
                  action: [
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {($ Id.VSub_DollarName '$OSTYPE')}
                              right: {<Id.Lit_Other '*'> <bsd> <Id.Lit_Other '*'>}
                            )
                        )
                        (command.ControlFlow
                          token: <Id.ControlFlow_Return return>
                        )
                      ]
                    )
                  ]
                  spids: [99 100 120 -1]
                )
                (case_arm
                  pat_list: [{<-A>} {<-B>} {<-d>} {<-H>}]
                  action: [(command.ControlFlow token:<Id.ControlFlow_Return return>)]
                  spids: [123 130 136 -1]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              expr: 
                                (bool_expr.Binary
                                  op_id: Id.BoolBinary_GlobDEqual
                                  left: {($ 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 <'$( _parse_usage "$1" )'>)} {<-->} 
                                          {(DQ ($ Id.VSub_DollarName '$cur'))}
                                        )
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [160]
                        )
                      ]
                    )
                    (command.ControlFlow token:<Id.ControlFlow_Return return>)
                  ]
                  spids: [143 157]
                )
              ]
            )
            (C {<local>} {<args>})
            (C {<_count_args>})
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_eq
                      left: {($ Id.VSub_DollarName '$args')}
                      right: {<1>}
                    )
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:COMPREPLY)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (sh_array_literal
                            left: <Id.Op_LParen _>
                            words: [
                              {
                                (command_sub
                                  left_token: <Id.Left_DollarParen '$('>
                                  child: 
                                    (C {<compgen>} {<-W>} {(SQ <'{1..12}'>)} {<-->} 
                                      {(DQ ($ Id.VSub_DollarName '$cur'))}
                                    )
                                )
                              }
                            ]
                          )
                        }
                      spids: [211]
                    )
                  ]
                )
              ]
            )
          ]
        )
    )
    (C {<complete>} {<-F>} {<_cal>} {<cal>} {<ncal>})
  ]
)