(command.CommandList
  children: [
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.DBracket
                      left: <Id.KW_DLeftBracket '[['>
                      expr: 
                        (bool_expr.Binary
                          op_id: Id.BoolBinary_GlobDEqual
                          left: {($ Id.VSub_Number 0)}
                          right: 
                            {
                              (BracedVarSub
                                left: <Id.Left_DollarBrace '${'>
                                token: <Id.VSub_Name BASH_SOURCE>
                                var_name: BASH_SOURCE
                                bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 0>})
                                right: <Id.Right_DollarBrace '}'>
                              )
                            }
                        )
                      right: <Id.Lit_DRightBracket ']]'>
                      redirects: []
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.ShAssignment
              left: <Id.Lit_VarLike 'dirname='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'dirname='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'dirname='> name:dirname)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (BracedVarSub
                        left: <Id.Left_DollarBrace '${'>
                        token: <Id.VSub_Name BASH_SOURCE>
                        var_name: BASH_SOURCE
                        bracket_op: (bracket_op.ArrayIndex expr:{<Id.Lit_Digits 0>})
                        suffix_op: 
                          (suffix_op.Unary
                            op: <Id.VOp1_Percent '%'>
                            arg_word: {<Id.Lit_Slash '/'> <Id.Lit_Other '*'>}
                          )
                        right: <Id.Right_DollarBrace '}'>
                      )
                    }
                )
              ]
              redirects: []
            )
            (command.AndOr
              children: [
                (command.DBracket
                  left: <Id.KW_DLeftBracket '[['>
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobDEqual
                      left: {($ Id.VSub_DollarName dirname)}
                      right: {($ Id.VSub_Number 0)}
                    )
                  right: <Id.Lit_DRightBracket ']]'>
                  redirects: []
                )
                (command.ShAssignment
                  left: <Id.Lit_VarLike 'top_dir='>
                  pairs: [
                    (AssignPair
                      left: <Id.Lit_VarLike 'top_dir='>
                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'top_dir='> name:top_dir)
                      op: assign_op.Equal
                      rhs: {(SQ <'../..'>)}
                    )
                  ]
                  redirects: []
                )
                (command.ShAssignment
                  left: <Id.Lit_VarLike 'top_dir='>
                  pairs: [
                    (AssignPair
                      left: <Id.Lit_VarLike 'top_dir='>
                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'top_dir='> name:top_dir)
                      op: assign_op.Equal
                      rhs: {(${ Id.VSub_Name dirname) <'/../..'>}
                    )
                  ]
                  redirects: []
                )
              ]
              ops: [<Id.Op_DAmp _> <Id.Op_DPipe _>]
            )
            (command.AndOr
              children: [
                (command.DBracket
                  left: <Id.KW_DLeftBracket '[['>
                  expr: 
                    (bool_expr.Unary
                      op_id: Id.BoolUnary_z
                      child: {($ Id.VSub_DollarName _Dbg_libdir)}
                    )
                  right: <Id.Lit_DRightBracket ']]'>
                  redirects: []
                )
                (command.ShAssignment
                  left: <Id.Lit_VarLike '_Dbg_libdir='>
                  pairs: [
                    (AssignPair
                      left: <Id.Lit_VarLike '_Dbg_libdir='>
                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike '_Dbg_libdir='> name:_Dbg_libdir)
                      op: assign_op.Equal
                      rhs: {($ Id.VSub_DollarName top_dir)}
                    )
                  ]
                  redirects: []
                )
              ]
              ops: [<Id.Op_DAmp _>]
            )
            (command.ForEach
              keyword: <Id.KW_For for>
              iter_names: [file]
              iterable: (for_iter.Words words:[{<help>} {<alias>}])
              semi_tok: <Id.Op_Semi _>
              body: 
                (command.DoGroup
                  left: <Id.KW_Do do>
                  children: [
                    (command.Sentence
                      child: 
                        (command.Simple
                          blame_tok: <source>
                          more_env: []
                          words: [
                            {<source>}
                            {($ Id.VSub_DollarName top_dir) <'/lib/'> (${ Id.VSub_Name file) <.sh>}
                          ]
                          redirects: []
                          do_fork: T
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  right: <Id.KW_Done done>
                )
              redirects: []
            )
          ]
          spids: [61 80]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.Simple
      blame_tok: <_Dbg_help_add_sub>
      more_env: []
      words: [
        {<_Dbg_help_add_sub>}
        {<set>}
        {<highlight>}
        {
          (SQ <'**set** **highlight** [**dark**|**light**|**off**|**reset**]\n'> <'\n'> 
            <'Set using terminal highlight.\n'> <'\n'> <'Use **reset** to set highlighting on and force a redo of syntax\n'> 
            <'highlighting of already cached files. This may be needed if the\n'> <'debugger was started without syntax highlighting initially.\n'> <'\n'> 
            <'**dark** sets sets for highlighting for a terminal with a dark background and\n'> <'**light** set for highlighting for a terminal with a light background.\n'> <'\n'> <'See also:\n'> 
            <'---------\n'> <'\n'> <'**show highlight**.\n'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <Id.Lit_ArrayLhsOpen '_Dbg_next_complete['>
      more_env: []
      words: [
        {<Id.Lit_ArrayLhsOpen '_Dbg_next_complete['> <set>}
        {<highlight> <Id.Lit_ArrayLhsClose ']='> (SQ <_Dbg_complete_highlight>)}
      ]
      redirects: []
      do_fork: T
    )
    (command.ShFunction
      name_tok: <_Dbg_complete_highlight>
      name: _Dbg_complete_highlight
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.ShAssignment
              left: <Id.Lit_VarLike 'COMPREPLY='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'COMPREPLY='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'COMPREPLY='> name:COMPREPLY)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (ShArrayLiteral
                        left: <Id.Op_LParen _>
                        words: [{<dark>} {<light>} {<off>} {<reset>}]
                        right: <Id.Right_ShArrayLiteral _>
                      )
                    }
                )
              ]
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <_Dbg_do_set_highlight>
      name: _Dbg_do_set_highlight
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DParen
                              left: <Id.Op_DLeftParen _>
                              child: 
                                (arith_expr.Unary
                                  op_id: Id.Arith_Bang
                                  child: ($ Id.Lit_ArithVarLike _Dbg_working_term_highlight)
                                )
                              right: <Id.Op_DRightParen _>
                              redirects: []
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <_Dbg_errmsg>
                      more_env: []
                      words: [{<_Dbg_errmsg>} {(DQ <'Can\'t run term-highlight. Setting forced off'>)}]
                      redirects: []
                      do_fork: T
                    )
                    (command.ControlFlow
                      keyword: <Id.ControlFlow_Return return>
                      arg_word: {<1>}
                    )
                  ]
                  spids: [228 241]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.Simple
              blame_tok: <typeset>
              more_env: []
              words: [
                {<typeset>}
                {<Id.Lit_VarLike 'onoff='> 
                  (BracedVarSub
                    left: <Id.Left_DollarBrace '${'>
                    token: <Id.VSub_Number 1>
                    var_name: 1
                    suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{(SQ <light>)})
                    right: <Id.Right_DollarBrace '}'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Case
              case_kw: <Id.KW_Case case>
              to_match: (case_arg.Word w:{($ Id.VSub_DollarName onoff)})
              arms_start: <Id.KW_In in>
              arms: [
                (CaseArm
                  left: <on>
                  pattern: (pat.Words words:[{<on>} {<light>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                              name: _Dbg_set_highlight
                            )
                          op: assign_op.Equal
                          rhs: {(SQ <light>)}
                        )
                      ]
                      redirects: []
                    )
                    (command.Simple
                      blame_tok: <_Dbg_filecache_reset>
                      more_env: []
                      words: [{<_Dbg_filecache_reset>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <_Dbg_readin>
                      more_env: []
                      words: [{<_Dbg_readin>} {($ Id.VSub_DollarName _Dbg_frame_last_filename)}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <dark>
                  pattern: (pat.Words words:[{<dark>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                              name: _Dbg_set_highlight
                            )
                          op: assign_op.Equal
                          rhs: {(SQ <dark>)}
                        )
                      ]
                      redirects: []
                    )
                    (command.Simple
                      blame_tok: <_Dbg_filecache_reset>
                      more_env: []
                      words: [{<_Dbg_filecache_reset>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <_Dbg_readin>
                      more_env: []
                      words: [{<_Dbg_readin>} {($ Id.VSub_DollarName _Dbg_frame_last_filename)}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <off>
                  pattern: (pat.Words words:[{<off>} {<0>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                              name: _Dbg_set_highlight
                            )
                          op: assign_op.Equal
                          rhs: {(SQ )}
                        )
                      ]
                      redirects: []
                    )
                    (command.Simple
                      blame_tok: <_Dbg_filecache_reset>
                      more_env: []
                      words: [{<_Dbg_filecache_reset>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <_Dbg_readin>
                      more_env: []
                      words: [{<_Dbg_readin>} {($ Id.VSub_DollarName _Dbg_frame_last_filename)}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <reset>
                  pattern: (pat.Words words:[{<reset>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.AndOr
                      children: [
                        (command.DBracket
                          left: <Id.KW_DLeftBracket '[['>
                          expr: 
                            (bool_expr.Unary
                              op_id: Id.BoolUnary_z
                              child: {($ Id.VSub_DollarName _Dbg_set_highlight)}
                            )
                          right: <Id.Lit_DRightBracket ']]'>
                          redirects: []
                        )
                        (command.ShAssignment
                          left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                              lhs: 
                                (sh_lhs_expr.Name
                                  left: <Id.Lit_VarLike '_Dbg_set_highlight='>
                                  name: _Dbg_set_highlight
                                )
                              op: assign_op.Equal
                              rhs: {(SQ <light>)}
                            )
                          ]
                          redirects: []
                        )
                      ]
                      ops: [<Id.Op_DAmp _>]
                    )
                    (command.Simple
                      blame_tok: <_Dbg_filecache_reset>
                      more_env: []
                      words: [{<_Dbg_filecache_reset>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <_Dbg_readin>
                      more_env: []
                      words: [{<_Dbg_readin>} {($ Id.VSub_DollarName _Dbg_frame_last_filename)}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Lit_Star '*'>
                  pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.Simple
                      blame_tok: <_Dbg_errmsg>
                      more_env: []
                      words: [{<_Dbg_errmsg>} {(SQ <'"dark", "light", "off", or "reset" expected.'>)}]
                      redirects: []
                      do_fork: T
                    )
                    (command.ControlFlow
                      keyword: <Id.ControlFlow_Return return>
                      arg_word: {<1>}
                    )
                  ]
                )
              ]
              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
            (command.Simple
              blame_tok: <_Dbg_do_show>
              more_env: []
              words: [{<_Dbg_do_show>} {<highlight>}]
              redirects: []
              do_fork: T
            )
            (command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<0>})
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
  ]
)