(AndOr
  ops: [Op_DAmp]
  children: [
    (FuncDef
      name: _look
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_Local
              pairs: [
                (assign_pair lhs:(LhsName name:cur) op:Equal spids:[20])
                (assign_pair lhs:(LhsName name:prev) op:Equal spids:[22])
                (assign_pair lhs:(LhsName name:words) op:Equal spids:[24])
                (assign_pair lhs:(LhsName name:cword) op:Equal spids:[26])
              ]
              spids: [18]
            )
            (AndOr
              ops: [Op_DPipe]
              children: [(C {(_init_completion)}) (ControlFlow token:<ControlFlow_Return return>)]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: 
                            (BoolBinary
                              op_id: BoolBinary_eq
                              left: {($ VSub_Name '$cword')}
                              right: {(1)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:COMPREPLY)
                          op: Equal
                          rhs: 
                            {
                              (ArrayLiteralPart
                                words: [
                                  {
                                    (CommandSubPart
                                      command_list: 
                                        (CommandList
                                          children: [
                                            (C {(compgen)} {(-W)} {(SQ <'$(look "$cur" 2>/dev/null)'>)} 
                                              {(--)} {(DQ ($ VSub_Name '$cur'))}
                                            )
                                          ]
                                        )
                                      left_token: <Left_CommandSub '$('>
                                      spids: [56 72]
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [53]
                        )
                      ]
                      spids: [53]
                    )
                  ]
                  spids: [16777215 50]
                )
              ]
              spids: [16777215 77]
            )
          ]
          spids: [15]
        )
      spids: [11 14]
    )
    (C {(complete)} {(-F)} {(_look)} {(-o)} {(default)} {(look)})
  ]
)