(CommandList
  children: [
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_GlobDEqual
                      left: {($ VSub_Number "$0")}
                      right: 
                        {
                          (BracedVarSub
                            token: <VSub_Name BASH_SOURCE>
                            bracket_op: (ArrayIndex expr:(ArithWord w:{(Lit_Digits 0)}))
                            spids: [82 87]
                          )
                        }
                    )
                )
              terminator: <Op_Semi ";">
            )
          ]
          action: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:dirname)
                  op: Equal
                  rhs: 
                    {
                      (BracedVarSub
                        token: <VSub_Name BASH_SOURCE>
                        bracket_op: (ArrayIndex expr:(ArithWord w:{(Lit_Digits 0)}))
                        suffix_op: (StringUnary op_id:VOp1_Percent arg_word:{(Lit_Slash /) ("*")})
                        spids: [97 105]
                      )
                    }
                  spids: [96]
                )
              ]
              spids: [96]
            )
            (AndOr
              children: [
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_GlobDEqual
                      left: {($ VSub_Name "$dirname")}
                      right: {($ VSub_Number "$0")}
                    )
                )
                (AndOr
                  children: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:top_dir)
                          op: Equal
                          rhs: {(SQ <../..>)}
                          spids: [120]
                        )
                      ]
                      spids: [120]
                    )
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:top_dir)
                          op: Equal
                          rhs: {(${ VSub_Name dirname) (/../..)}
                          spids: [127]
                        )
                      ]
                      spids: [127]
                    )
                  ]
                  op_id: Op_DPipe
                )
              ]
              op_id: Op_DAmp
            )
            (C {(source)} {(${ VSub_Name top_dir) (/lib/help.sh)})
          ]
          spids: [-1 93]
        )
      ]
      spids: [-1 141]
    )
    (C {(_Dbg_help_add_sub)} {(info)} {(args)} 
      {
        (DQ ("**info args** [*frame-num*]\n") ("\n") 
          ("Show argument variables of the current stack frame.\n") ("\n") ("The default value is 0, the most recent frame.\n") ("\n") ("See also:\n") ("---------\n") ("\n") 
          ("**backtrace**.")
        )
      } {(1)}
    )
    (FuncDef
      name: _Dbg_do_info_args
      body: 
        (BraceGroup
          children: [
            (C {(typeset)} {(-r)} 
              {(Lit_VarLike "frame_start=") 
                (BracedVarSub
                  token: <VSub_Number 1>
                  suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(0)})
                  spids: [180 184]
                )
              }
            )
            (C {(eval)} {(DQ ($ VSub_Name "$_seteglob"))})
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: 
                            (BoolBinary
                              op_id: BoolBinary_GlobNEqual
                              left: {($ VSub_Name "$frame_start")}
                              right: {($ VSub_Name "$int_pat")}
                            )
                        )
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (C {(_Dbg_errmsg)} {(DQ ("Bad integer parameter: ") ($ VSub_Name "$frame_start"))})
                    (C {(eval)} {(DQ ($ VSub_Name "$_resteglob"))})
                    (ControlFlow token:<ControlFlow_Return return> arg_word:{(1)})
                  ]
                  spids: [-1 209]
                )
              ]
              spids: [-1 232]
            )
            (C {(typeset)} {(-i)} {(Lit_VarLike "i=") ($ VSub_Name "$frame_start")})
            (AndOr
              children: [
                (DParen
                  child: 
                    (ArithBinary
                      op_id: Arith_GreatEqual
                      left: (ArithVarRef name:i)
                      right: (ArithVarRef name:_Dbg_stack_size)
                    )
                )
                (ControlFlow token:<ControlFlow_Return return> arg_word:{(1)})
              ]
              op_id: Op_DAmp
            )
            (C {(typeset)} {(-i)} {(adjusted_pos)})
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:adjusted_pos)
                  op: Equal
                  rhs: 
                    {
                      (CommandSubPart
                        command_list: 
                          (CommandList
                            children: [(C {(_Dbg_frame_adjusted_pos)} {($ VSub_Name "$frame_start")})]
                          )
                        left_token: <Left_CommandSub "$(">
                        spids: [290 294]
                      )
                    }
                  spids: [289]
                )
              ]
              spids: [289]
            )
            (C {(typeset)} {(-i)} 
              {(Lit_VarLike "arg_count=") 
                (BracedVarSub
                  token: <VSub_Name BASH_ARGC>
                  bracket_op: (ArrayIndex expr:(ArithWord w:{($ VSub_Name "$adjusted_pos")}))
                  spids: [302 307]
                )
              }
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DParen
                          child: 
                            (ArithBinary
                              op_id: Arith_NEqual
                              left: (ArithWord w:{(Lit_Digits 0)})
                              right: 
                                (ArithWord
                                  w: 
                                    {
                                      (BracedVarSub
                                        token: <VSub_Name BASH_ARGC>
                                        prefix_op: VSub_Pound
                                        bracket_op: (WholeArray op_id:Lit_At)
                                        spids: [335 341]
                                      )
                                    }
                                )
                            )
                        )
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (C {(typeset)} {(-i)} {(q)})
                    (C {(typeset)} {(-i)} {(Lit_VarLike "r=") (0)})
                    (ForExpr
                      init: 
                        (BinaryAssign
                          op_id: Arith_Equal
                          left: (LhsName name:q)
                          right: (ArithWord w:{(Lit_Digits 0)})
                        )
                      cond: 
                        (ArithBinary
                          op_id: Arith_LessEqual
                          left: (ArithVarRef name:q)
                          right: (ArithVarRef name:adjusted_pos)
                        )
                      update: (UnaryAssign op_id:Node_PostDPlus child:(LhsName name:q))
                      body: 
                        (DoGroup
                          children: [
                            (DParen
                              child: 
                                (BinaryAssign
                                  op_id: Arith_Equal
                                  left: (LhsName name:r)
                                  right: 
                                    (ArithBinary
                                      op_id: Arith_Plus
                                      left: (ArithVarRef name:r)
                                      right: 
                                        (ArithWord
                                          w: 
                                            {
                                              (BracedVarSub
                                                token: <VSub_Name BASH_ARGC>
                                                bracket_op: 
                                                  (ArrayIndex
                                                    expr: (ArithWord w:{($ VSub_Name "$q")})
                                                  )
                                                spids: [403 408]
                                              )
                                            }
                                        )
                                    )
                                )
                            )
                          ]
                          spids: [390 414]
                        )
                    )
                    (DParen
                      child: (UnaryAssign op_id:Node_PostDMinus child:(LhsName name:r))
                    )
                    (C {(typeset)} {(-i)} {(s)})
                    (If
                      arms: [
                        (if_arm
                          cond: [
                            (Sentence
                              child: 
                                (DParen
                                  child: 
                                    (ArithBinary
                                      op_id: Arith_DEqual
                                      left: (ArithVarRef name:arg_count)
                                      right: (ArithWord w:{(Lit_Digits 0)})
                                    )
                                )
                              terminator: <Op_Semi ";">
                            )
                          ]
                          action: [(C {(_Dbg_msg)} {(DQ ("Argument count is 0 for this call."))})]
                          spids: [-1 452]
                        )
                      ]
                      else_action: [
                        (ForExpr
                          init: 
                            (BinaryAssign
                              op_id: Arith_Equal
                              left: (LhsName name:s)
                              right: (ArithWord w:{(Lit_Digits 1)})
                            )
                          cond: 
                            (ArithBinary
                              op_id: Arith_LessEqual
                              left: (ArithVarRef name:s)
                              right: (ArithVarRef name:arg_count)
                            )
                          update: (UnaryAssign op_id:Node_PostDPlus child:(LhsName name:s))
                          body: 
                            (DoGroup
                              children: [
                                (C {(_Dbg_printf)} {(DQ (Lit_Other "$") ("%d = %s"))} 
                                  {($ VSub_Name "$s")} 
                                  {
                                    (DQ 
                                      (BracedVarSub
                                        token: <VSub_Name BASH_ARGV>
                                        bracket_op: (ArrayIndex expr:(ArithWord w:{($ VSub_Name "$r")}))
                                        spids: [503 508]
                                      )
                                    )
                                  }
                                )
                                (DParen
                                  child: (UnaryAssign op_id:Node_PostDMinus child:(LhsName name:r))
                                )
                              ]
                              spids: [490 519]
                            )
                        )
                      ]
                      spids: [462 522]
                    )
                  ]
                  spids: [-1 348]
                )
              ]
              spids: [-1 525]
            )
            (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
          ]
          spids: [171]
        )
      spids: [167 170]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_GlobDEqual
                      left: {($ VSub_Number "$0")}
                      right: 
                        {
                          (BracedVarSub
                            token: <VSub_Name BASH_SOURCE>
                            bracket_op: (ArrayIndex expr:(ArithWord w:{(Lit_Digits 0)}))
                            spids: [546 551]
                          )
                        }
                    )
                )
              terminator: <Op_Semi ";">
            )
          ]
          action: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:_Dbg_libdir)
                  op: Equal
                  rhs: {(${ VSub_Name top_dir)}
                  spids: [564]
                )
              ]
              spids: [564]
            )
            (ForEach
              iter_name: _Dbg_file
              iter_words: [{(pre)} {(vars)}]
              do_arg_iter: False
              body: 
                (DoGroup
                  children: [
                    (C {(source)} {(${ VSub_Name top_dir) (/init/) (${ VSub_Name _Dbg_file) (.sh)})
                  ]
                  spids: [582 597]
                )
              spids: [575 580]
            )
            (ForEach
              iter_name: _Dbg_file
              iter_words: [{(frame)} {(msg)} {(file)} {(journal)} {(save-restore)} {(alias)}]
              do_arg_iter: False
              body: 
                (DoGroup
                  children: [
                    (C {(source)} {(${ VSub_Name top_dir) (/lib/) (${ VSub_Name _Dbg_file) (.sh)})
                  ]
                  spids: [620 635]
                )
              spids: [605 618]
            )
            (C {(source)} {(${ VSub_Name top_dir) (/command/help.sh)})
            (C {(_Dbg_set_debugger_entry)})
            (FuncDef
              name: _Dbg_frame_adjusted_pos
              body: 
                (BraceGroup
                  children: [
                    (C {(typeset)} {(-i)} 
                      {(Lit_VarLike "i=") 
                        (BracedVarSub
                          token: <VSub_Number 1>
                          suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(0)})
                          spids: [661 665]
                        )
                      }
                    )
                    (C {(echo)} {(-n)} {($ VSub_Name "$i")})
                  ]
                  spids: [653]
                )
              spids: [649 652]
            )
          ]
          spids: [-1 557]
        )
      ]
      spids: [-1 689]
    )
  ]
)