(CommandList
  children: [
    (C {(typeset)} {(-i)} {(Lit_VarLike "_Dbg_hi_last_stop=") (0)})
    (C {(typeset)} {(-i)} {(Lit_VarLike "_Dbg_hi=") (0)})
    (Sentence child:(C {(typeset)} {(-a)} {(_Dbg_history)}) terminator:<Op_Semi ";">)
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:_Dbg_history)
          op: Equal
          rhs: {(ArrayLiteralPart)}
          spids: [85]
        )
      ]
      spids: [85]
    )
    (C {(typeset)} {(-i)} {(Lit_VarLike "_Dbg_set_history=") (1)})
    (C {(typeset)} {(-i)} 
      {(Lit_VarLike "_Dbg_history_length=") 
        (BracedVarSub
          token: <VSub_Name HISTSIZE>
          suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(256)})
          spids: [102 106]
        )
      }
    )
    (C {(typeset)} 
      {(Lit_VarLike "_Dbg_histfile=") 
        (BracedVarSub
          token: <VSub_Name HOME>
          suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(.)})
          spids: [114 118]
        ) (/.bashdb_hist)
      }
    )
    (FuncDef
      name: _Dbg_history_parse
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:history_num)
                  op: Equal
                  rhs: {($ VSub_Number "$1")}
                  spids: [145]
                )
              ]
              spids: [145]
            )
            (AndOr
              children: [
                (DParen
                  child: 
                    (ArithBinary
                      op_id: Arith_Less
                      left: (ArithVarRef name:history_num)
                      right: (ArithWord w:{(Lit_Digits 0)})
                    )
                )
                (DParen
                  child: 
                    (BinaryAssign
                      op_id: Arith_Equal
                      left: (LhsName name:history_num)
                      right: 
                        (ArithBinary
                          op_id: Arith_Plus
                          left: 
                            (ArithBinary
                              op_id: Arith_Minus
                              left: 
                                (ArithWord
                                  w: 
                                    {
                                      (BracedVarSub
                                        token: <VSub_Name _Dbg_history>
                                        prefix_op: VSub_Pound
                                        bracket_op: (WholeArray op_id:Lit_At)
                                        spids: [163 169]
                                      )
                                    }
                                )
                              right: (ArithWord w:{(Lit_Digits 1)})
                            )
                          right: (ArithWord w:{($ VSub_Number "$1")})
                        )
                    )
                )
              ]
              op_id: Op_DAmp
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:_Dbg_hi)
                  op: Equal
                  rhs: 
                    {
                      (BracedVarSub
                        token: <VSub_Name _Dbg_history>
                        prefix_op: VSub_Pound
                        bracket_op: (WholeArray op_id:Lit_At)
                        spids: [180 186]
                      )
                    }
                  spids: [179]
                )
              ]
              spids: [179]
            )
            (AndOr
              children: [
                (DBracket
                  expr: (BoolUnary op_id:BoolUnary_z child:{($ VSub_Name "$history_num")})
                )
                (C {(let)} {(Lit_VarLike "history_num=") ($ VSub_Name "$_Dbg_hi") (-1)})
              ]
              op_id: Op_DAmp
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: 
                            (BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {($ VSub_Name "$_Dbg_cmd")}
                              right: {(h) (Lit_Other "*")}
                            )
                        )
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (If
                      arms: [
                        (if_arm
                          cond: [
                            (Sentence
                              child: 
                                (DBracket
                                  expr: 
                                    (BoolBinary
                                      op_id: BoolBinary_GlobNEqual
                                      left: {($ VSub_Name "$history_num")}
                                      right: {($ VSub_Name "$int_pat")}
                                    )
                                )
                              terminator: <Op_Semi ";">
                            )
                          ]
                          action: [
                            (If
                              arms: [
                                (if_arm
                                  cond: [
                                    (Sentence
                                      child: 
                                        (DBracket
                                          expr: 
                                            (BoolBinary
                                              op_id: BoolBinary_GlobDEqual
                                              left: {($ VSub_Name "$history_num")}
                                              right: {(-) ($ VSub_Name "$int_pat")}
                                            )
                                        )
                                      terminator: <Op_Semi ";">
                                    )
                                  ]
                                  action: [
                                    (Assignment
                                      keyword: Assign_None
                                      pairs: [
                                        (assign_pair
                                          lhs: (LhsName name:history_num)
                                          op: Equal
                                          rhs: 
                                            {($ VSub_Name "$_Dbg_hi") (Lit_Other "+") 
                                              ($ VSub_Name "$history_num")
                                            }
                                          spids: [260]
                                        )
                                      ]
                                      spids: [260]
                                    )
                                  ]
                                  spids: [-1 257]
                                )
                              ]
                              else_action: [
                                (C {(_Dbg_errmsg)} 
                                  {
                                    (DQ ("Invalid history number skipped: ") 
                                      ($ VSub_Name "$history_num")
                                    )
                                  }
                                )
                                (Assignment
                                  keyword: Assign_None
                                  pairs: [
                                    (assign_pair
                                      lhs: (LhsName name:history_num)
                                      op: Equal
                                      rhs: {(-1)}
                                      spids: [277]
                                    )
                                  ]
                                  spids: [277]
                                )
                              ]
                              spids: [266 281]
                            )
                          ]
                          spids: [-1 239]
                        )
                      ]
                      spids: [-1 284]
                    )
                  ]
                  spids: [-1 222]
                )
              ]
              else_action: [(C {(Lit_Other ":")})]
              spids: [287 465]
            )
          ]
          spids: [141]
        )
      spids: [137 140]
    )
    (FuncDef
      name: _Dbg_history_read
      body: 
        (BraceGroup
          children: [
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: (BoolUnary op_id:BoolUnary_r child:{($ VSub_Name "$_Dbg_histfile")})
                        )
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (C {(history)} {(-r)} {($ VSub_Name "$_Dbg_histfile")})
                    (Sentence
                      child: (C {(typeset)} {(-a)} {(last_history)})
                      terminator: <Op_Semi ";">
                    )
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:last_history)
                          op: Equal
                          rhs: 
                            {
                              (ArrayLiteralPart
                                words: [
                                  {
                                    (CommandSubPart
                                      command_list: (CommandList children:[(C {(history)} {(1)})])
                                      left_token: <Left_CommandSub "$(">
                                      spids: [508 512]
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [506]
                        )
                      ]
                      spids: [506]
                    )
                    (C {(typeset)} {(-i)} 
                      {(Lit_VarLike "max_history=") 
                        (BracedVarSub
                          token: <VSub_Name last_history>
                          bracket_op: (ArrayIndex expr:(ArithWord w:{(Lit_Digits 0)}))
                          spids: [521 526]
                        )
                      }
                    )
                    (If
                      arms: [
                        (if_arm
                          cond: [
                            (Sentence
                              child: 
                                (DParen
                                  child: 
                                    (ArithBinary
                                      op_id: Arith_Great
                                      left: (ArithVarRef name:max_history)
                                      right: (ArithVarRef name:_Dbg_history_length)
                                    )
                                )
                              terminator: <Op_Semi ";">
                            )
                          ]
                          action: [
                            (Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (LhsName name:max_history)
                                  op: Equal
                                  rhs: {($ VSub_Name "$_Dbg_history_length")}
                                  spids: [547]
                                )
                              ]
                              spids: [547]
                            )
                          ]
                          spids: [-1 544]
                        )
                      ]
                      spids: [-1 551]
                    )
                    (Assignment
                      keyword: Assign_Local
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:OLD_HISTTIMEFORMAT)
                          op: Equal
                          rhs: {(${ VSub_Name HISTTIMEFORMAT)}
                          spids: [556]
                        )
                      ]
                      spids: [554]
                    )
                    (Assignment
                      keyword: Assign_Local
                      pairs: [(assign_pair lhs:(LhsName name:hist) op:Equal spids:[564])]
                      spids: [562]
                    )
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:HISTTIMEFORMAT)
                          op: Equal
                          rhs: {(SQ )}
                          spids: [567]
                        )
                      ]
                      spids: [567]
                    )
                    (Assignment
                      keyword: Assign_Local
                      flags: ["'-i'"]
                      pairs: [(assign_pair lhs:(LhsName name:i) op:Equal spids:[576])]
                      spids: [572]
                    )
                    (ForExpr
                      init: 
                        (BinaryAssign
                          op_id: Arith_Equal
                          left: (LhsName name:i)
                          right: (ArithWord w:{(Lit_Digits 1)})
                        )
                      cond: 
                        (ArithBinary
                          op_id: Arith_LessEqual
                          left: (ArithVarRef name:i)
                          right: (ArithVarRef name:max_history)
                        )
                      update: (UnaryAssign op_id:Node_PostDPlus child:(LhsName name:i))
                      body: 
                        (DoGroup
                          children: [
                            (Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (LhsName name:last_history)
                                  op: Equal
                                  rhs: 
                                    {
                                      (ArrayLiteralPart
                                        words: [
                                          {
                                            (CommandSubPart
                                              command_list: 
                                                (CommandList
                                                  children: [(C {(history)} {($ VSub_Name "$i")})]
                                                )
                                              left_token: <Left_CommandSub "$(">
                                              spids: [615 619]
                                            )
                                          }
                                        ]
                                      )
                                    }
                                  spids: [613]
                                )
                              ]
                              spids: [613]
                            )
                            (Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (LhsName name:hist)
                                  op: Equal
                                  rhs: 
                                    {(${ VSub_Name last_history) (Lit_Other "[") (1) (Lit_Other "]")}
                                  spids: [623]
                                )
                              ]
                              spids: [623]
                            )
                          ]
                          spids: [610 636]
                        )
                    )
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:HISTTIMEFORMAT)
                          op: Equal
                          rhs: {(${ VSub_Name OLD_HISTTIMEFORMAT)}
                          spids: [639]
                        )
                      ]
                      spids: [639]
                    )
                  ]
                  spids: [-1 489]
                )
              ]
              spids: [-1 645]
            )
          ]
          spids: [474]
        )
      spids: [470 473]
    )
    (FuncDef
      name: _Dbg_history_write
      body: 
        (BraceGroup
          children: [
            (AndOr
              children: [
                (DParen
                  child: 
                    (ArithBinary
                      op_id: Arith_DAmp
                      left: 
                        (ArithBinary
                          op_id: Arith_Great
                          left: (ArithVarRef name:_Dbg_history_length)
                          right: (ArithWord w:{(Lit_Digits 0)})
                        )
                      right: (ArithVarRef name:_Dbg_set_history)
                    )
                )
                (C {(history)} {(-w)} {($ VSub_Name "$_Dbg_histfile")})
              ]
              op_id: Op_DAmp
            )
          ]
          spids: [657]
        )
      spids: [653 656]
    )
    (FuncDef
      name: _Dbg_history_remove_item
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:_Dbg_hi)
                  op: Equal
                  rhs: 
                    {
                      (BracedVarSub
                        token: <VSub_Name _Dbg_history>
                        prefix_op: VSub_Pound
                        bracket_op: (WholeArray op_id:Lit_At)
                        spids: [698 704]
                      ) (-1)
                    }
                  spids: [697]
                )
              ]
              spids: [697]
            )
            (C {(unset)} {(_Dbg_history) (Lit_Other "[") ($ VSub_Name "$_Dbg_hi") (Lit_Other "]")})
          ]
          spids: [694]
        )
      spids: [690 693]
    )
  ]
)