(CommandList
  children: [
    (Assignment
      keyword: Assign_Typeset
      flags: [-i]
      pairs: [(assign_pair lhs:(LhsName name:_Dbg_hi_last_stop) op:Equal rhs:{(0)} spids:[65])]
      spids: [61]
    )
    (Assignment
      keyword: Assign_Typeset
      flags: [-i]
      pairs: [(assign_pair lhs:(LhsName name:_Dbg_hi) op:Equal rhs:{(0)} spids:[72])]
      spids: [68]
    )
    (CommandList
      children: [
        (Sentence
          child: 
            (Assignment
              keyword: Assign_Typeset
              flags: [-a]
              pairs: [(assign_pair lhs:(LhsName name:_Dbg_history) op:Equal spids:[82])]
              spids: [78]
            )
          terminator: <Op_Semi ';'>
        )
        (Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (LhsName name:_Dbg_history)
              op: Equal
              rhs: {(ArrayLiteralPart)}
              spids: [85]
            )
          ]
          spids: [85]
        )
      ]
    )
    (Assignment
      keyword: Assign_Typeset
      flags: [-i]
      pairs: [(assign_pair lhs:(LhsName name:_Dbg_set_history) op:Equal rhs:{(1)} spids:[94])]
      spids: [90]
    )
    (Assignment
      keyword: Assign_Typeset
      flags: [-i]
      pairs: [
        (assign_pair
          lhs: (LhsName name:_Dbg_history_length)
          op: Equal
          rhs: 
            {
              (BracedVarSub
                token: <VSub_Name HISTSIZE>
                suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(256)})
                spids: [102 106]
              )
            }
          spids: [101]
        )
      ]
      spids: [97]
    )
    (Assignment
      keyword: Assign_Typeset
      pairs: [
        (assign_pair
          lhs: (LhsName name:_Dbg_histfile)
          op: Equal
          rhs: 
            {
              (BracedVarSub
                token: <VSub_Name HOME>
                suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(.)})
                spids: [114 118]
              ) (/.bashdb_hist)
            }
          spids: [113]
        )
      ]
      spids: [111]
    )
    (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 '$1')}
                  spids: [145]
                )
              ]
              spids: [145]
            )
            (AndOr
              ops: [Op_DAmp]
              children: [
                (DParen
                  child: 
                    (ArithBinary
                      op_id: Arith_Less
                      left: (ArithVarRef name:history_num)
                      right: (ArithWord w:{(Lit_Digits 0)})
                    )
                  spids: [149 156]
                )
                (DParen
                  child: 
                    (BinaryAssign
                      op_id: Arith_Equal
                      left: (LhsName name:history_num)
                      right: 
                        (ArithBinary
                          op_id: Arith_Plus
                          left: 
                            (ArithBinary
                              op_id: Arith_Minus
                              left: 
                                (ArithWord
                                  w: 
                                    {
                                      (BracedVarSub
                                        token: <VSub_Name _Dbg_history>
                                        prefix_op: VSub_Pound
                                        bracket_op: (WholeArray op_id:Lit_At)
                                        spids: [163 169]
                                      )
                                    }
                                )
                              right: (ArithWord w:{(Lit_Digits 1)})
                            )
                          right: (ArithWord w:{($ VSub_Number '$1')})
                        )
                    )
                  spids: [160 175]
                )
              ]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:_Dbg_hi)
                  op: Equal
                  rhs: 
                    {
                      (BracedVarSub
                        token: <VSub_Name _Dbg_history>
                        prefix_op: VSub_Pound
                        bracket_op: (WholeArray op_id:Lit_At)
                        spids: [180 186]
                      )
                    }
                  spids: [179]
                )
              ]
              spids: [179]
            )
            (AndOr
              ops: [Op_DAmp]
              children: [
                (DBracket
                  expr: (BoolUnary op_id:BoolUnary_z child:{($ VSub_Name '$history_num')})
                )
                (C {(let)} {(Lit_VarLike 'history_num=') ($ VSub_Name '$_Dbg_hi') (-1)})
              ]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: 
                            (BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {($ 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 '$history_num')
                                            }
                                          spids: [260]
                                        )
                                      ]
                                      spids: [260]
                                    )
                                  ]
                                  spids: [16777215 257]
                                )
                              ]
                              else_action: [
                                (C {(_Dbg_errmsg)} 
                                  {
                                    (DQ ('Invalid history number skipped: ') 
                                      ($ VSub_Name '$history_num')
                                    )
                                  }
                                )
                                (Assignment
                                  keyword: Assign_None
                                  pairs: [
                                    (assign_pair
                                      lhs: (LhsName name:history_num)
                                      op: Equal
                                      rhs: {(-1)}
                                      spids: [277]
                                    )
                                  ]
                                  spids: [277]
                                )
                              ]
                              spids: [266 281]
                            )
                          ]
                          spids: [16777215 239]
                        )
                      ]
                      spids: [16777215 284]
                    )
                  ]
                  spids: [16777215 222]
                )
              ]
              else_action: [(C {(Lit_Other ':')})]
              spids: [287 465]
            )
          ]
          spids: [141]
        )
      spids: [137 140]
    )
    (FuncDef
      name: _Dbg_history_read
      body: 
        (BraceGroup
          children: [
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: (BoolUnary op_id:BoolUnary_r child:{($ VSub_Name '$_Dbg_histfile')})
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (C {(history)} {(-r)} {($ VSub_Name '$_Dbg_histfile')})
                    (Sentence
                      child: 
                        (Assignment
                          keyword: Assign_Typeset
                          flags: [-a]
                          pairs: [(assign_pair lhs:(LhsName name:last_history) op:Equal spids:[503])]
                          spids: [499]
                        )
                      terminator: <Op_Semi ';'>
                    )
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:last_history)
                          op: Equal
                          rhs: 
                            {
                              (ArrayLiteralPart
                                words: [
                                  {
                                    (CommandSubPart
                                      command_list: (CommandList children:[(C {(history)} {(1)})])
                                      left_token: <Left_CommandSub '$('>
                                      spids: [508 512]
                                    )
                                  }
                                ]
                              )
                            }
                          spids: [506]
                        )
                      ]
                      spids: [506]
                    )
                    (Assignment
                      keyword: Assign_Typeset
                      flags: [-i]
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:max_history)
                          op: Equal
                          rhs: 
                            {
                              (BracedVarSub
                                token: <VSub_Name last_history>
                                bracket_op: (ArrayIndex expr:(ArithWord w:{(Lit_Digits 0)}))
                                spids: [521 526]
                              )
                            }
                          spids: [520]
                        )
                      ]
                      spids: [516]
                    )
                    (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)
                                    )
                                  spids: [531 540]
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (LhsName name:max_history)
                                  op: Equal
                                  rhs: {($ VSub_Name '$_Dbg_history_length')}
                                  spids: [547]
                                )
                              ]
                              spids: [547]
                            )
                          ]
                          spids: [16777215 544]
                        )
                      ]
                      spids: [16777215 551]
                    )
                    (Assignment
                      keyword: Assign_Local
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:OLD_HISTTIMEFORMAT)
                          op: Equal
                          rhs: {(${ 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: [16777215 489]
                )
              ]
              spids: [16777215 645]
            )
          ]
          spids: [474]
        )
      spids: [470 473]
    )
    (FuncDef
      name: _Dbg_history_write
      body: 
        (BraceGroup
          children: [
            (AndOr
              ops: [Op_DAmp]
              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)
                    )
                  spids: [660 672]
                )
                (C {(history)} {(-w)} {($ VSub_Name '$_Dbg_histfile')})
              ]
            )
          ]
          spids: [657]
        )
      spids: [653 656]
    )
    (FuncDef
      name: _Dbg_history_remove_item
      body: 
        (BraceGroup
          children: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:_Dbg_hi)
                  op: Equal
                  rhs: 
                    {
                      (BracedVarSub
                        token: <VSub_Name _Dbg_history>
                        prefix_op: VSub_Pound
                        bracket_op: (WholeArray op_id:Lit_At)
                        spids: [698 704]
                      ) (-1)
                    }
                  spids: [697]
                )
              ]
              spids: [697]
            )
            (C {(unset)} {(_Dbg_history) (Lit_Other '[') ($ VSub_Name '$_Dbg_hi') (Lit_Other ']')})
          ]
          spids: [694]
        )
      spids: [690 693]
    )
  ]
)