(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.Simple
              blame_tok: <source>
              more_env: []
              words: [{<source>} {<'../init/require.sh'>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <source>
              more_env: []
              words: [{<source>} {<'../lib/help.sh'>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <require>
              more_env: []
              words: [{<require>} {<'../lib/alias.sh'>}]
              redirects: []
              do_fork: T
            )
          ]
          spids: [61 80]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.Simple
      blame_tok: <_Dbg_help_add>
      more_env: []
      words: [
        {<_Dbg_help_add>}
        {<enable>}
        {
          (SQ <'**enable** *bpnum1* [*bpnum2* ...]\n'> <'\n'> 
            <
'Enables breakpoints *bpnum1*, *bpnum2*... Breakpoints numbers are given as a space-\n'
            > <'separated list numbers.\n'> <'\n'> <'See also:\n'> <'---------\n'> <'\n'> 
            <'**disable** and **info break**.'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.ShFunction
      name_tok: <_Dbg_do_enable>
      name: _Dbg_do_enable
      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.Binary
                                  op_id: Id.Arith_DEqual
                                  left: {($ Id.VSub_Pound '#')}
                                  right: {<Id.Lit_Digits 0>}
                                )
                              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>}
                        {(SQ <'Expecting breakpoint/watchpoint numbers. Got none.'>)}
                      ]
                      redirects: []
                      do_fork: T
                    )
                    (command.ControlFlow
                      keyword: <Id.ControlFlow_Return return>
                      arg_word: {<1>}
                    )
                  ]
                  spids: [132 145]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.Simple
              blame_tok: <_Dbg_enable_disable>
              more_env: []
              words: [{<_Dbg_enable_disable>} {<1>} {(SQ <enabled>)} {($ Id.VSub_At '@')}]
              redirects: []
              do_fork: T
            )
            (command.ControlFlow
              keyword: <Id.ControlFlow_Return return>
              arg_word: {($ Id.VSub_QMark '?')}
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (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.Simple
              blame_tok: <require>
              more_env: []
              words: [
                {<require>}
                {<'./help.sh'>}
                {<'../lib/msg.sh'>}
                {<'../lib/sort.sh'>}
                {<'../lib/columnize.sh'>}
                {<'../lib/list.sh'>}
              ]
              redirects: []
              do_fork: T
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike '_Dbg_args='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike '_Dbg_args='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike '_Dbg_args='> name:_Dbg_args)
                  op: assign_op.Equal
                  rhs: {(SQ <enable>)}
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <_Dbg_do_help>
              more_env: []
              words: [{<_Dbg_do_help>} {<enable>}]
              redirects: []
              do_fork: T
            )
          ]
          spids: [181 200]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
  ]
)