(command.CommandList
  children: [
    (C {(typeset)} {(-i)} {(Id.Lit_VarLike '_Dbg_logging=') (0)})
    (C {(typeset)} {(Id.Lit_VarLike '_Dbg_logging_file=') (DQ (bashdb.txt))})
    (C {(typeset)} {(Id.Lit_VarLike '_Dbg_logging_overwrite=') (0)})
    (C {(typeset)} {(Id.Lit_VarLike '_Dbg_logging_redirect=') (0)})
    (command.ShFunction
      name: _Dbg_do_set_logging
      body: 
        (command.BraceGroup
          children: [
            (C {(typeset)} {(-a)} 
              {(Id.Lit_VarLike 'args=') 
                (sh_array_literal
                  left: (Token id:Id.Op_LParen val:'(' span_id:120)
                  words: [{($ Id.VSub_At '$@')}]
                )
              }
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DParen
                          child: 
                            (arith_expr.Binary
                              op_id: Id.Arith_Great
                              left: 
                                (arith_expr.ArithWord
                                  w: 
                                    {
                                      (braced_var_sub
                                        token: (Token id:Id.VSub_Name val:args span_id:131)
                                        prefix_op: (Id.VSub_Pound)
                                        bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                                      )
                                    }
                                )
                              right: (arith_expr.ArithWord w:{(Id.Lit_Digits 0)})
                            )
                        )
                      terminator: (Token id:Id.Op_Semi val:';' span_id:144)
                    )
                  ]
                  action: [
                    (command.Case
                      to_match: 
                        {
                          (braced_var_sub
                            token: (Token id:Id.VSub_Name val:args span_id:152)
                            bracket_op: 
                              (bracket_op.ArrayIndex
                                expr: (arith_expr.ArithWord w:{(Id.Lit_Digits 0)})
                              )
                          )
                        }
                      arms: [
                        (case_arm
                          pat_list: [{(off)}]
                          action: [
                            (command.If
                              arms: [
                                (if_arm
                                  cond: [
                                    (command.Sentence
                                      child: 
                                        (command.DParen
                                          child: 
                                            (arith_expr.Binary
                                              op_id: Id.Arith_NEqual
                                              left: 
                                                (arith_expr.VarRef
                                                  token: 
                                                    (Token
                                                      id: Id.Lit_ArithVarLike
                                                      val: _Dbg_logging
                                                      span_id: 171
                                                    )
                                                )
                                              right: (arith_expr.ArithWord w:{(Id.Lit_Digits 0)})
                                            )
                                        )
                                      terminator: (Token id:Id.Op_Semi val:';' span_id:180)
                                    )
                                  ]
                                  action: [
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:_Dbg_logging)
                                          op: assign_op.Equal
                                          rhs: {(0)}
                                          spids: [189]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [167 182]
                                )
                              ]
                            )
                          ]
                          spids: [162 164 196 -1]
                        )
                        (case_arm
                          pat_list: [{(on)}]
                          action: [
                            (command.If
                              arms: [
                                (if_arm
                                  cond: [
                                    (command.Sentence
                                      child: 
                                        (command.DParen
                                          child: 
                                            (arith_expr.Binary
                                              op_id: Id.Arith_DEqual
                                              left: 
                                                (arith_expr.VarRef
                                                  token: 
                                                    (Token
                                                      id: Id.Lit_ArithVarLike
                                                      val: _Dbg_logging
                                                      span_id: 208
                                                    )
                                                )
                                              right: (arith_expr.ArithWord w:{(Id.Lit_Digits 0)})
                                            )
                                        )
                                      terminator: (Token id:Id.Op_Semi val:';' span_id:217)
                                    )
                                  ]
                                  action: [
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:_Dbg_logging)
                                          op: assign_op.Equal
                                          rhs: {(1)}
                                          spids: [222]
                                        )
                                      ]
                                    )
                                    (command.If
                                      arms: [
                                        (if_arm
                                          cond: [
                                            (command.Sentence
                                              child: 
                                                (command.DParen
                                                  child: 
                                                    (arith_expr.VarRef
                                                      token: 
                                                        (Token
                                                          id: Id.Lit_ArithVarLike
                                                          val: _Dbg_logging_overwrite
                                                          span_id: 230
                                                        )
                                                    )
                                                )
                                              terminator: (Token id:Id.Op_Semi val:';' span_id:235)
                                            )
                                          ]
                                          action: [
                                            (command.Simple
                                              words: [{(cat)} {(/dev/null)}]
                                              redirects: [
                                                (redir.Redir
                                                  op: (Token id:Id.Redir_Great val:'>' span_id:244)
                                                  fd: -1
                                                  arg_word: 
                                                    {($ Id.VSub_DollarName '$_Dbg_logging_file')}
                                                )
                                              ]
                                            )
                                          ]
                                          spids: [226 237]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [204 219]
                                )
                              ]
                            )
                          ]
                          spids: [199 201 254 -1]
                        )
                        (case_arm
                          pat_list: [{(overwrite)}]
                          action: [
                            (C {(local)} 
                              {(Id.Lit_VarLike 'onoff=') 
                                (braced_var_sub
                                  token: (Token id:Id.VSub_Number val:2 span_id:266)
                                  suffix_op: 
                                    (suffix_op.Unary
                                      op_id: Id.VTest_ColonHyphen
                                      arg_word: {(SQ (Token id:Id.Lit_Chars val:on span_id:269))}
                                    )
                                )
                              }
                            )
                            (command.Case
                              to_match: {($ Id.VSub_DollarName '$onoff')}
                              arms: [
                                (case_arm
                                  pat_list: [{(on)} {(1)}]
                                  action: [
                                    (C {(_Dbg_write_journal_eval)} {(DQ ('_Dbg_logging_overwrite=1'))})
                                  ]
                                  spids: [282 288 299 -1]
                                )
                                (case_arm
                                  pat_list: [{(off)} {(0)}]
                                  action: [
                                    (C {(_Dbg_write_journal_eval)} {(DQ ('_Dbg_logging_overwrite=0'))})
                                  ]
                                  spids: [302 308 318 -1]
                                )
                                (case_arm
                                  pat_list: [{(Id.Lit_Star '*')}]
                                  action: [
                                    (C {(_Dbg_msg)} 
                                      {
                                        (DQ 
                                          (word_part.EscapedLiteral
                                            token: 
                                              (Token
                                                id: Id.Lit_EscapedChar
                                                val: '\\"'
                                                span_id: 329
                                              )
                                          ) (on) (word_part.EscapedLiteral token:(Token id:Id.Lit_EscapedChar val:'\\"' span_id:331)) (' or ') 
                                          (word_part.EscapedLiteral
                                            token: 
                                              (Token
                                                id: Id.Lit_EscapedChar
                                                val: '\\"'
                                                span_id: 333
                                              )
                                          ) (off) (word_part.EscapedLiteral token:(Token id:Id.Lit_EscapedChar val:'\\"' span_id:335)) 
                                          (' expected.')
                                        )
                                      }
                                    )
                                  ]
                                  spids: [321 323 -1 340]
                                )
                              ]
                            )
                          ]
                          spids: [257 259 343 -1]
                        )
                        (case_arm
                          pat_list: [{(redirect)}]
                          action: [
                            (C {(local)} 
                              {(Id.Lit_VarLike 'onoff=') 
                                (braced_var_sub
                                  token: (Token id:Id.VSub_Number val:2 span_id:355)
                                  suffix_op: 
                                    (suffix_op.Unary
                                      op_id: Id.VTest_ColonHyphen
                                      arg_word: {(SQ (Token id:Id.Lit_Chars val:on span_id:358))}
                                    )
                                )
                              }
                            )
                            (command.Case
                              to_match: {($ Id.VSub_DollarName '$onoff')}
                              arms: [
                                (case_arm
                                  pat_list: [{(on)} {(1)}]
                                  action: [
                                    (C {(_Dbg_write_journal_eval)} {(DQ ('_Dbg_logging_redirect=1'))})
                                  ]
                                  spids: [371 377 388 -1]
                                )
                                (case_arm
                                  pat_list: [{(off)} {(0)}]
                                  action: [
                                    (C {(_Dbg_write_journal_eval)} {(DQ ('_Dbg_logging_redirect=0'))})
                                  ]
                                  spids: [391 397 407 -1]
                                )
                                (case_arm
                                  pat_list: [{(Id.Lit_Star '*')}]
                                  action: [
                                    (C {(_Dbg_msg)} 
                                      {
                                        (DQ 
                                          (word_part.EscapedLiteral
                                            token: 
                                              (Token
                                                id: Id.Lit_EscapedChar
                                                val: '\\"'
                                                span_id: 418
                                              )
                                          ) (on) (word_part.EscapedLiteral token:(Token id:Id.Lit_EscapedChar val:'\\"' span_id:420)) (' or ') 
                                          (word_part.EscapedLiteral
                                            token: 
                                              (Token
                                                id: Id.Lit_EscapedChar
                                                val: '\\"'
                                                span_id: 422
                                              )
                                          ) (off) (word_part.EscapedLiteral token:(Token id:Id.Lit_EscapedChar val:'\\"' span_id:424)) 
                                          (' expected.')
                                        )
                                      }
                                    )
                                  ]
                                  spids: [410 412 -1 429]
                                )
                              ]
                            )
                          ]
                          spids: [346 348 432 -1]
                        )
                        (case_arm
                          pat_list: [{(file)}]
                          action: [
                            (command.If
                              arms: [
                                (if_arm
                                  cond: [
                                    (command.Sentence
                                      child: 
                                        (command.DParen
                                          child: 
                                            (arith_expr.Binary
                                              op_id: Id.Arith_DEqual
                                              left: 
                                                (arith_expr.ArithWord
                                                  w: 
                                                    {
                                                      (braced_var_sub
                                                        token: 
                                                          (Token
                                                            id: Id.VSub_Name
                                                            val: args
                                                            span_id: 446
                                                          )
                                                        prefix_op: (Id.VSub_Pound)
                                                        bracket_op: 
                                                          (bracket_op.WholeArray
                                                            op_id: Id.Lit_At
                                                          )
                                                      )
                                                    }
                                                )
                                              right: (arith_expr.ArithWord w:{(Id.Lit_Digits 2)})
                                            )
                                        )
                                      terminator: (Token id:Id.Op_Semi val:';' span_id:459)
                                    )
                                  ]
                                  action: [
                                    (C {(_Dbg_write_journal_eval)} 
                                      {
                                        (DQ ('_Dbg_logging_file=') 
                                          (braced_var_sub
                                            token: (Token id:Id.VSub_Name val:args span_id:469)
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: (arith_expr.ArithWord w:{(Id.Lit_Digits 1)})
                                              )
                                          )
                                        )
                                      }
                                    )
                                  ]
                                  spids: [440 461]
                                )
                              ]
                              else_action: [
                                (C {(_Dbg_msg)} 
                                  {(DQ ("Expecting a single file argument in 'set logging file'."))}
                                )
                              ]
                            )
                          ]
                          spids: [435 437 491 -1]
                        )
                        (case_arm
                          pat_list: [{(Id.Lit_Star '*')}]
                          action: [
                            (C {(_Dbg_msg)} {(DQ ('Usage: set logging on'))})
                            (C {(_Dbg_msg)} {(DQ ('set logging off'))})
                            (C {(_Dbg_msg)} {(DQ ('set logging file FILENAME'))})
                            (C {(_Dbg_msg)} {(DQ ('set logging overwrite [on|off]'))})
                            (C {(_Dbg_msg)} {(DQ ('set logging redirect [on|off]'))})
                          ]
                          spids: [494 496 534 -1]
                        )
                      ]
                    )
                  ]
                  spids: [125 146]
                )
              ]
            )
            (command.ControlFlow
              token: (Token id:Id.ControlFlow_Return val:return span_id:543)
              arg_word: {(0)}
            )
          ]
        )
    )
    (command.ShFunction
      name: _Dbg_do_show_logging
      body: 
        (command.BraceGroup
          children: [
            (C {(typeset)} {(-a)} 
              {(Id.Lit_VarLike 'args=') 
                (sh_array_literal
                  left: (Token id:Id.Op_LParen val:'(' span_id:562)
                  words: [{($ Id.VSub_Star '$*')}]
                )
              }
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DParen
                          child: 
                            (arith_expr.Binary
                              op_id: Id.Arith_DEqual
                              left: 
                                (arith_expr.ArithWord
                                  w: 
                                    {
                                      (braced_var_sub
                                        token: (Token id:Id.VSub_Name val:args span_id:573)
                                        prefix_op: (Id.VSub_Pound)
                                        bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                                      )
                                    }
                                )
                              right: (arith_expr.ArithWord w:{(Id.Lit_Digits 0)})
                            )
                        )
                      terminator: (Token id:Id.Op_Semi val:';' span_id:586)
                    )
                  ]
                  action: [
                    (C {(_Dbg_msg)} 
                      {
                        (DQ ('Future logs will be written to ') 
                          ($ Id.VSub_DollarName '$_Dbg_logging_file')
                        )
                      }
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (command.DParen
                                  child: 
                                    (arith_expr.VarRef
                                      token: 
                                        (Token
                                          id: Id.Lit_ArithVarLike
                                          val: _Dbg_logging_overwrite
                                          span_id: 603
                                        )
                                    )
                                )
                              terminator: (Token id:Id.Op_Semi val:';' span_id:608)
                            )
                          ]
                          action: [
                            (C {(_Dbg_msg)} 
                              {
                                (SQ 
                                  (Token
                                    id: Id.Lit_Chars
                                    val: 'Logs will overwrite the log file.'
                                    span_id: 616
                                  )
                                )
                              }
                            )
                          ]
                          spids: [599 610]
                        )
                      ]
                      else_action: [
                        (C {(_Dbg_msg)} 
                          {
                            (SQ 
                              (Token
                                id: Id.Lit_Chars
                                val: 'Logs will be appended to the log file.'
                                span_id: 626
                              )
                            )
                          }
                        )
                        (command.If
                          arms: [
                            (if_arm
                              cond: [
                                (command.Sentence
                                  child: 
                                    (command.DParen
                                      child: 
                                        (arith_expr.VarRef
                                          token: 
                                            (Token
                                              id: Id.Lit_ArithVarLike
                                              val: _Dbg_logging_redirect
                                              span_id: 634
                                            )
                                        )
                                    )
                                  terminator: (Token id:Id.Op_Semi val:';' span_id:639)
                                )
                              ]
                              action: [
                                (C {(_Dbg_msg)} {(DQ ('Output will be sent only to the log file.'))})
                              ]
                              spids: [630 641]
                            )
                          ]
                          else_action: [(C {(_Dbg_msg)} {(DQ ('Output will be logged and displayed.'))})]
                        )
                      ]
                    )
                  ]
                  spids: [567 588]
                )
              ]
              else_action: [
                (command.Case
                  to_match: 
                    {
                      (braced_var_sub
                        token: (Token id:Id.VSub_Name val:args span_id:673)
                        bracket_op: 
                          (bracket_op.ArrayIndex
                            expr: (arith_expr.ArithWord w:{(Id.Lit_Digits 0)})
                          )
                      )
                    }
                  arms: [
                    (case_arm
                      pat_list: [{(overwrite)}]
                      action: [
                        (C {(local)} {(Id.Lit_VarLike 'onoff=') (DQ (off.))})
                        (command.AndOr
                          ops: [Id.Op_DAmp]
                          children: [
                            (command.DParen
                              child: 
                                (arith_expr.Binary
                                  op_id: Id.Arith_NEqual
                                  left: 
                                    (arith_expr.VarRef
                                      token: 
                                        (Token
                                          id: Id.Lit_ArithVarLike
                                          val: _Dbg_logging_overwrite
                                          span_id: 698
                                        )
                                    )
                                  right: (arith_expr.ArithWord w:{(Id.Lit_Digits 0)})
                                )
                            )
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:onoff)
                                  op: assign_op.Equal
                                  rhs: {(SQ (Token id:Id.Lit_Chars val:on. span_id:711))}
                                  spids: [709]
                                )
                              ]
                            )
                          ]
                        )
                        (C {(_Dbg_msg)} 
                          {
                            (DQ ('Whether logging overwrites or appends to the log file is ') 
                              (${ Id.VSub_Name onoff)
                            )
                          }
                        )
                      ]
                      spids: [683 685 727 -1]
                    )
                    (case_arm
                      pat_list: [{(redirect)}]
                      action: [
                        (C {(local)} {(Id.Lit_VarLike 'onoff=') (DQ (off.))})
                        (command.AndOr
                          ops: [Id.Op_DAmp]
                          children: [
                            (command.DParen
                              child: 
                                (arith_expr.Binary
                                  op_id: Id.Arith_NEqual
                                  left: 
                                    (arith_expr.VarRef
                                      token: 
                                        (Token
                                          id: Id.Lit_ArithVarLike
                                          val: _Dbg_logging_redirect
                                          span_id: 745
                                        )
                                    )
                                  right: (arith_expr.ArithWord w:{(Id.Lit_Digits 0)})
                                )
                            )
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:onoff)
                                  op: assign_op.Equal
                                  rhs: {(SQ (Token id:Id.Lit_Chars val:on. span_id:758))}
                                  spids: [756]
                                )
                              ]
                            )
                          ]
                        )
                        (C {(_Dbg_msg)} 
                          {(DQ ('The logging output mode is ') (${ Id.VSub_Name onoff) (.))}
                        )
                      ]
                      spids: [730 732 773 -1]
                    )
                    (case_arm
                      pat_list: [{(file)}]
                      action: [
                        (C {(_Dbg_msg)} 
                          {(DQ ('The current logfile is ') (${ Id.VSub_Name _Dbg_logging_file))}
                        )
                      ]
                      spids: [776 778 791 -1]
                    )
                    (case_arm
                      pat_list: [{(Id.Lit_Star '*')}]
                      action: [
                        (C {(_Dbg_undefined_cmd)} {(DQ ('show logging'))} 
                          {
                            (DQ 
                              (braced_var_sub
                                token: (Token id:Id.VSub_Name val:args span_id:807)
                                bracket_op: 
                                  (bracket_op.ArrayIndex
                                    expr: (arith_expr.ArithWord w:{(Id.Lit_Digits 0)})
                                  )
                              )
                            )
                          }
                        )
                      ]
                      spids: [794 796 815 -1]
                    )
                  ]
                )
              ]
            )
          ]
        )
    )
  ]
)