(command.AndOr
  ops: [Id.Op_DAmp]
  children: [
    (command.ShFunction
      name: _postcat
      body: 
        (command.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 '$prev')}
              arms: [
                (case_arm
                  pat_list: [{<-c>}]
                  action: [
                    (C {<_filedir>} {<-d>})
                    (command.ControlFlow
                      token: <Id.ControlFlow_Return return>
                      arg_word: {<0>}
                    )
                  ]
                  spids: [37 38 51 -1]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {($ Id.VSub_DollarName '$cur')}
                              right: {<-> <Id.Lit_Other '*'>}
                            )
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:COMPREPLY)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (sh_array_literal
                                left: <Id.Op_LParen _>
                                words: [
                                  {
                                    (command_sub
                                      left_token: <Id.Left_DollarParen '$('>
                                      command_list: 
                                        (command.CommandList
                                          children: [
                                            (C {<compgen>} {<-W>} {(SQ <'$( _parse_usage "$1" )'>)} 
                                              {<-->} {(DQ ($ Id.VSub_DollarName '$cur'))}
                                            )
                                          ]
                                        )
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [75]
                        )
                      ]
                    )
                    (command.ControlFlow
                      token: <Id.ControlFlow_Return return>
                      arg_word: {<0>}
                    )
                  ]
                  spids: [58 72]
                )
              ]
            )
            (C {<local>} {<idx>} {<Id.Lit_VarLike 'qfile='> <0>})
            (command.ForEach
              iter_name: idx
              iter_words: [
                {
                  (DQ 
                    (braced_var_sub
                      token: <Id.VSub_Name words>
                      bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                    )
                  )
                }
              ]
              do_arg_iter: F
              body: 
                (command.DoGroup
                  children: [
                    (command.AndOr
                      ops: [Id.Op_DAmp Id.Op_DAmp]
                      children: [
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {(DQ ($ Id.VSub_DollarName '$idx'))}
                              right: {<-q>}
                            )
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:qfile)
                              op: assign_op.Equal
                              rhs: {<1>}
                              spids: [149]
                            )
                          ]
                        )
                        (command.ControlFlow
                          token: <Id.ControlFlow_Break break>
                        )
                      ]
                    )
                  ]
                )
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_eq
                              left: {($ Id.VSub_DollarName '$qfile')}
                              right: {<1>}
                            )
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  action: [
                    (C {<local>} 
                      {<Id.Lit_VarLike 'len='> 
                        (braced_var_sub
                          token: <Id.VSub_Name cur>
                          prefix_op: (Id.VSub_Pound)
                        )
                      } {<pval>}
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:idx)
                          op: assign_op.Equal
                          rhs: {<0>}
                          spids: [187]
                        )
                      ]
                    )
                    (command.ForEach
                      iter_name: pval
                      iter_words: [
                        {
                          (command_sub
                            left_token: <Id.Left_DollarParen '$('>
                            command_list: 
                              (command.CommandList
                                children: [
                                  (command.Pipeline
                                    children: [
                                      (command.Simple
                                        words: [{<mailq>}]
                                        redirects: [
                                          (redir.Redir
                                            op: <Id.Redir_Great '2>'>
                                            fd: 2
                                            arg_word: {</dev/null>}
                                          )
                                        ]
                                      )
                                      (C {<sed>} {<-e>} 
                                        {(SQ <'1d; $d; /^[^0-9A-Z]/d; /^$/d; s/[* !].*$//'>)}
                                      )
                                    ]
                                    negated: F
                                  )
                                ]
                              )
                          )
                        }
                      ]
                      do_arg_iter: F
                      body: 
                        (command.DoGroup
                          children: [
                            (command.If
                              arms: [
                                (if_arm
                                  cond: [
                                    (command.Sentence
                                      child: 
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobDEqual
                                              left: {(DQ ($ Id.VSub_DollarName '$cur'))}
                                              right: 
                                                {
                                                  (DQ 
                                                    (braced_var_sub
                                                      token: <Id.VSub_Name pval>
                                                      suffix_op: 
                                                        (suffix_op.Slice
                                                          begin: 
                                                            (arith_expr.ArithWord
                                                              w: {<Id.Lit_Digits 0>}
                                                            )
                                                          length: 
                                                            (arith_expr.ArithWord
                                                              w: {($ Id.VSub_DollarName '$len')}
                                                            )
                                                        )
                                                    )
                                                  )
                                                }
                                            )
                                        )
                                      terminator: <Id.Op_Semi _>
                                    )
                                  ]
                                  action: [
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: 
                                            (sh_lhs_expr.IndexedName
                                              name: COMPREPLY
                                              index: 
                                                (arith_expr.ArithWord
                                                  w: {($ Id.VSub_DollarName '$idx')}
                                                )
                                            )
                                          op: assign_op.Equal
                                          rhs: {($ Id.VSub_DollarName '$pval')}
                                          spids: [248]
                                        )
                                      ]
                                    )
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:idx)
                                          op: assign_op.Equal
                                          rhs: 
                                            {
                                              (word_part.ArithSub
                                                anode: 
                                                  (arith_expr.Binary
                                                    op_id: Id.Arith_Plus
                                                    left: 
                                                      (arith_expr.ArithWord
                                                        w: {($ Id.VSub_DollarName '$idx')}
                                                      )
                                                    right: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                  )
                                              )
                                            }
                                          spids: [256]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [222 245]
                                )
                              ]
                            )
                          ]
                        )
                    )
                    (command.ControlFlow
                      token: <Id.ControlFlow_Return return>
                      arg_word: {<0>}
                    )
                  ]
                  spids: [160 173]
                )
              ]
              else_action: [
                (C {<_filedir>})
                (command.ControlFlow
                  token: <Id.ControlFlow_Return return>
                  arg_word: {<0>}
                )
              ]
            )
          ]
        )
    )
    (C {<complete>} {<-F>} {<_postcat>} {<postcat>})
  ]
)