(command.CommandList
  children: [
    (C {(source)} 
      {
        (command_sub
          left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:6)
          command_list: (command.CommandList children:[(C {(dirname)} {($ Id.VSub_Number '$0')})])
        ) (/reader.sh)
      }
    )
    (C {(source)} 
      {
        (command_sub
          left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:15)
          command_list: (command.CommandList children:[(C {(dirname)} {($ Id.VSub_Number '$0')})])
        ) (/printer.sh)
      }
    )
    (command.ShFunction
      name: READ
      body: 
        (command.BraceGroup
          children: [
            (command.AndOr
              ops: [Id.Op_DAmp Id.Op_DPipe]
              children: [
                (C {(Id.Lit_LBracket '[')} {(DQ (${ Id.VSub_Number 1))} {(Id.Lit_RBracket ']')})
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:r)
                      op: assign_op.Equal
                      rhs: {(DQ (${ Id.VSub_Number 1))}
                      spids: [46]
                    )
                  ]
                )
                (C {(READLINE)})
              ]
            )
            (C {(READ_STR)} {(DQ (${ Id.VSub_Name r))})
          ]
        )
    )
    (command.ShFunction
      name: EVAL_AST
      body: 
        (command.BraceGroup
          children: [
            (C {(local)} {(Id.Lit_VarLike 'ast=') (DQ (${ Id.VSub_Number 1))} 
              {(Id.Lit_VarLike 'env=') (DQ (${ Id.VSub_Number 2))}
            )
            (command.Sentence
              child: (C {(_obj_type)} {(DQ (${ Id.VSub_Name ast))})
              terminator: (Token id:Id.Op_Semi val:';' span_id:108)
            )
            (C {(local)} {(Id.Lit_VarLike 'ot=') (DQ (${ Id.VSub_Name r))})
            (command.Case
              to_match: {(DQ (${ Id.VSub_Name ot))}
              arms: [
                (case_arm
                  pat_list: [{(symbol)}]
                  action: [
                    (C {(local)} 
                      {(Id.Lit_VarLike 'val=') 
                        (DQ 
                          (braced_var_sub
                            token: (Token id:Id.VSub_Name val:ANON span_id:140)
                            bracket_op: 
                              (bracket_op.ArrayIndex
                                expr: (arith_expr.ArithWord w:{(DQ (${ Id.VSub_Name ast))})
                              )
                          )
                        )
                      }
                    )
                    (C {(eval)} 
                      {(Id.Lit_VarLike 'r=') 
                        (DQ 
                          (word_part.EscapedLiteral
                            token: (Token id:Id.Lit_EscapedChar val:'\\$' span_id:156)
                          ) ('{') (${ Id.VSub_Name env) ('[')
                        ) (${ Id.VSub_Name val) (DQ (']}'))
                      }
                    )
                    (command.AndOr
                      ops: [Id.Op_DPipe]
                      children: [
                        (C {(Id.Lit_LBracket '[')} {(DQ (${ Id.VSub_Name r))} {(Id.Lit_RBracket ']')})
                        (C {(_error)} {(DQ ("'") (${ Id.VSub_Name val) ("' not found"))})
                      ]
                    )
                  ]
                  spids: [131 132 193 -1]
                )
                (case_arm
                  pat_list: [{(list)}]
                  action: [
                    (C {(_map_with_type)} {(_list)} {(EVAL)} {(DQ (${ Id.VSub_Name ast))} 
                      {(DQ (${ Id.VSub_Name env))}
                    )
                  ]
                  spids: [196 197 218 -1]
                )
                (case_arm
                  pat_list: [{(vector)}]
                  action: [
                    (C {(_map_with_type)} {(_vector)} {(EVAL)} {(DQ (${ Id.VSub_Name ast))} 
                      {(DQ (${ Id.VSub_Name env))}
                    )
                  ]
                  spids: [221 222 243 -1]
                )
                (case_arm
                  pat_list: [{(hash_map)}]
                  action: [
                    (C {(local)} {(Id.Lit_VarLike 'res=') (DQ )} {(Id.Lit_VarLike 'key=')} 
                      {(Id.Lit_VarLike 'val=') (DQ )} 
                      {(Id.Lit_VarLike 'hm=') 
                        (DQ 
                          (braced_var_sub
                            token: (Token id:Id.VSub_Name val:ANON span_id:265)
                            bracket_op: 
                              (bracket_op.ArrayIndex
                                expr: (arith_expr.ArithWord w:{(DQ (${ Id.VSub_Name ast))})
                              )
                          )
                        )
                      }
                    )
                    (command.Sentence
                      child: (C {(_hash_map)})
                      terminator: (Token id:Id.Op_Semi val:';' span_id:278)
                    )
                    (C {(local)} {(Id.Lit_VarLike 'new_hm=') (DQ (${ Id.VSub_Name r))})
                    (C {(eval)} {(local)} 
                      {(Id.Lit_VarLike 'keys=') 
                        (DQ 
                          (word_part.EscapedLiteral
                            token: (Token id:Id.Lit_EscapedChar val:'\\$' span_id:296)
                          ) ('{!') (${ Id.VSub_Name hm) ('[@]}')
                        )
                      }
                    )
                    (command.ForEach
                      iter_name: key
                      iter_words: [{(${ Id.VSub_Name keys)}]
                      do_arg_iter: F
                      body: 
                        (command.DoGroup
                          children: [
                            (C {(eval)} 
                              {(Id.Lit_VarLike 'val=') 
                                (DQ 
                                  (word_part.EscapedLiteral
                                    token: (Token id:Id.Lit_EscapedChar val:'\\$' span_id:323)
                                  ) ('{') (${ Id.VSub_Name hm) ('[') 
                                  (word_part.EscapedLiteral
                                    token: (Token id:Id.Lit_EscapedChar val:'\\"' span_id:329)
                                  ) (${ Id.VSub_Name key) 
                                  (word_part.EscapedLiteral
                                    token: (Token id:Id.Lit_EscapedChar val:'\\"' span_id:333)
                                  ) (']}')
                                )
                              }
                            )
                            (C {(EVAL)} {(DQ (${ Id.VSub_Name val))} {(DQ (${ Id.VSub_Name env))})
                            (C {(_assoc) (Id.KW_Bang '!')} {(DQ (${ Id.VSub_Name new_hm))} 
                              {(DQ (${ Id.VSub_Name key))} {(DQ (${ Id.VSub_Name r))}
                            )
                          ]
                        )
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:r)
                          op: assign_op.Equal
                          rhs: {(DQ (${ Id.VSub_Name new_hm))}
                          spids: [378]
                        )
                      ]
                    )
                  ]
                  spids: [246 247 385 -1]
                )
                (case_arm
                  pat_list: [{(Id.Lit_Star '*')}]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:r)
                          op: assign_op.Equal
                          rhs: {(DQ (${ Id.VSub_Name ast))}
                          spids: [392]
                        )
                      ]
                    )
                  ]
                  spids: [388 389 399 -1]
                )
              ]
            )
          ]
        )
    )
    (command.ShFunction
      name: EVAL
      body: 
        (command.BraceGroup
          children: [
            (C {(local)} {(Id.Lit_VarLike 'ast=') (DQ (${ Id.VSub_Number 1))} 
              {(Id.Lit_VarLike 'env=') (DQ (${ Id.VSub_Number 2))}
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:r)
                  op: assign_op.Equal
                  rhs: (word.Empty)
                  spids: [432]
                )
              ]
            )
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name __ERROR))})
                )
                (command.ControlFlow
                  token: (Token id:Id.ControlFlow_Return val:return span_id:447)
                  arg_word: {(1)}
                )
              ]
            )
            (command.Sentence
              child: (C {(_obj_type)} {(DQ (${ Id.VSub_Name ast))})
              terminator: (Token id:Id.Op_Semi val:';' span_id:463)
            )
            (C {(local)} {(Id.Lit_VarLike 'ot=') (DQ (${ Id.VSub_Name r))})
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobNEqual
                              left: {(DQ (${ Id.VSub_Name ot))}
                              right: {(DQ (list))}
                            )
                        )
                      terminator: (Token id:Id.Op_Semi val:';' span_id:492)
                    )
                  ]
                  action: [
                    (C {(EVAL_AST)} {(DQ (${ Id.VSub_Name ast))} {(DQ (${ Id.VSub_Name env))})
                    (command.ControlFlow
                      token: (Token id:Id.ControlFlow_Return val:return span_id:512)
                    )
                  ]
                  spids: [475 494]
                )
              ]
            )
            (command.AndOr
              ops: [Id.Op_DAmp Id.Op_DAmp]
              children: [
                (C {(_empty) (Id.Lit_QMark '?')} {(DQ (${ Id.VSub_Name ast))})
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:r)
                      op: assign_op.Equal
                      rhs: {(DQ (${ Id.VSub_Name ast))}
                      spids: [529]
                    )
                  ]
                )
                (command.ControlFlow
                  token: (Token id:Id.ControlFlow_Return val:return span_id:538)
                )
              ]
            )
            (C {(EVAL_AST)} {(DQ (${ Id.VSub_Name ast))} {(DQ (${ Id.VSub_Name env))})
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DBracket
                  expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name __ERROR))})
                )
                (command.ControlFlow
                  token: (Token id:Id.ControlFlow_Return val:return span_id:573)
                  arg_word: {(1)}
                )
              ]
            )
            (C {(local)} {(Id.Lit_VarLike 'el=') (DQ (${ Id.VSub_Name r))})
            (command.Sentence
              child: (C {(_first)} {(DQ (${ Id.VSub_Name el))})
              terminator: (Token id:Id.Op_Semi val:';' span_id:595)
            )
            (C {(local)} {(Id.Lit_VarLike 'f=') (DQ (${ Id.VSub_Name r))})
            (command.Sentence
              child: (C {(_rest)} {(DQ (${ Id.VSub_Name el))})
              terminator: (Token id:Id.Op_Semi val:';' span_id:614)
            )
            (C {(local)} 
              {(Id.Lit_VarLike 'args=') 
                (DQ 
                  (braced_var_sub
                    token: (Token id:Id.VSub_Name val:ANON span_id:621)
                    bracket_op: 
                      (bracket_op.ArrayIndex
                        expr: (arith_expr.ArithWord w:{(DQ (${ Id.VSub_Name r))})
                      )
                  )
                )
              }
            )
            (C {(eval)} {(${ Id.VSub_Name f)} {(${ Id.VSub_Name args)})
          ]
        )
    )
    (command.ShFunction
      name: PRINT
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name __ERROR))})
                        )
                      terminator: (Token id:Id.Op_Semi val:';' span_id:672)
                    )
                  ]
                  action: [
                    (C {(_pr_str)} {(DQ (${ Id.VSub_Name __ERROR))} {(yes)})
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:r)
                          op: assign_op.Equal
                          rhs: {(DQ ('Error: ') (${ Id.VSub_Name r))}
                          spids: [688]
                        )
                      ]
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:__ERROR)
                          op: assign_op.Equal
                          rhs: (word.Empty)
                          spids: [697]
                        )
                      ]
                    )
                  ]
                  spids: [661 674]
                )
              ]
              else_action: [(C {(_pr_str)} {(DQ (${ Id.VSub_Number 1))} {(yes)})]
            )
          ]
        )
    )
    (C {(declare)} {(-A)} {(REPL_ENV)})
    (command.ShFunction
      name: REP
      body: 
        (command.BraceGroup
          children: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:r)
                  op: assign_op.Equal
                  rhs: (word.Empty)
                  spids: [736]
                )
              ]
            )
            (C {(READ)} {(DQ (${ Id.VSub_Number 1))})
            (C {(EVAL)} {(DQ (${ Id.VSub_Name r))} {(REPL_ENV)})
            (C {(PRINT)} {(DQ (${ Id.VSub_Name r))})
          ]
        )
    )
    (command.ShFunction
      name: plus
      body: 
        (command.BraceGroup
          children: [
            (command.Sentence
              child: 
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:r)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (word_part.ArithSub
                            anode: 
                              (arith_expr.Binary
                                op_id: Id.Arith_Plus
                                left: 
                                  (arith_expr.ArithWord
                                    w: 
                                      {
                                        (braced_var_sub
                                          token: (Token id:Id.VSub_Name val:ANON span_id:781)
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: 
                                                (arith_expr.ArithWord
                                                  w: {(DQ (${ Id.VSub_Number 1))}
                                                )
                                            )
                                        )
                                      }
                                  )
                                right: 
                                  (arith_expr.ArithWord
                                    w: 
                                      {
                                        (braced_var_sub
                                          token: (Token id:Id.VSub_Name val:ANON span_id:794)
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: 
                                                (arith_expr.ArithWord
                                                  w: {(DQ (${ Id.VSub_Number 2))}
                                                )
                                            )
                                        )
                                      }
                                  )
                              )
                          )
                        }
                      spids: [777]
                    )
                  ]
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:806)
            )
            (command.Sentence
              child: (C {(_number)} {(DQ (${ Id.VSub_Name r))})
              terminator: (Token id:Id.Op_Semi val:';' span_id:815)
            )
          ]
        )
    )
    (command.ShFunction
      name: minus
      body: 
        (command.BraceGroup
          children: [
            (command.Sentence
              child: 
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:r)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (word_part.ArithSub
                            anode: 
                              (arith_expr.Binary
                                op_id: Id.Arith_Minus
                                left: 
                                  (arith_expr.ArithWord
                                    w: 
                                      {
                                        (braced_var_sub
                                          token: (Token id:Id.VSub_Name val:ANON span_id:830)
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: 
                                                (arith_expr.ArithWord
                                                  w: {(DQ (${ Id.VSub_Number 1))}
                                                )
                                            )
                                        )
                                      }
                                  )
                                right: 
                                  (arith_expr.ArithWord
                                    w: 
                                      {
                                        (braced_var_sub
                                          token: (Token id:Id.VSub_Name val:ANON span_id:843)
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: 
                                                (arith_expr.ArithWord
                                                  w: {(DQ (${ Id.VSub_Number 2))}
                                                )
                                            )
                                        )
                                      }
                                  )
                              )
                          )
                        }
                      spids: [826]
                    )
                  ]
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:855)
            )
            (command.Sentence
              child: (C {(_number)} {(DQ (${ Id.VSub_Name r))})
              terminator: (Token id:Id.Op_Semi val:';' span_id:864)
            )
          ]
        )
    )
    (command.ShFunction
      name: multiply
      body: 
        (command.BraceGroup
          children: [
            (command.Sentence
              child: 
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:r)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (word_part.ArithSub
                            anode: 
                              (arith_expr.Binary
                                op_id: Id.Arith_Star
                                left: 
                                  (arith_expr.ArithWord
                                    w: 
                                      {
                                        (braced_var_sub
                                          token: (Token id:Id.VSub_Name val:ANON span_id:879)
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: 
                                                (arith_expr.ArithWord
                                                  w: {(DQ (${ Id.VSub_Number 1))}
                                                )
                                            )
                                        )
                                      }
                                  )
                                right: 
                                  (arith_expr.ArithWord
                                    w: 
                                      {
                                        (braced_var_sub
                                          token: (Token id:Id.VSub_Name val:ANON span_id:892)
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: 
                                                (arith_expr.ArithWord
                                                  w: {(DQ (${ Id.VSub_Number 2))}
                                                )
                                            )
                                        )
                                      }
                                  )
                              )
                          )
                        }
                      spids: [875]
                    )
                  ]
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:904)
            )
            (command.Sentence
              child: (C {(_number)} {(DQ (${ Id.VSub_Name r))})
              terminator: (Token id:Id.Op_Semi val:';' span_id:913)
            )
          ]
        )
    )
    (command.ShFunction
      name: divide
      body: 
        (command.BraceGroup
          children: [
            (command.Sentence
              child: 
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:r)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (word_part.ArithSub
                            anode: 
                              (arith_expr.Binary
                                op_id: Id.Arith_Slash
                                left: 
                                  (arith_expr.ArithWord
                                    w: 
                                      {
                                        (braced_var_sub
                                          token: (Token id:Id.VSub_Name val:ANON span_id:928)
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: 
                                                (arith_expr.ArithWord
                                                  w: {(DQ (${ Id.VSub_Number 1))}
                                                )
                                            )
                                        )
                                      }
                                  )
                                right: 
                                  (arith_expr.ArithWord
                                    w: 
                                      {
                                        (braced_var_sub
                                          token: (Token id:Id.VSub_Name val:ANON span_id:941)
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: 
                                                (arith_expr.ArithWord
                                                  w: {(DQ (${ Id.VSub_Number 2))}
                                                )
                                            )
                                        )
                                      }
                                  )
                              )
                          )
                        }
                      spids: [924]
                    )
                  ]
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:953)
            )
            (command.Sentence
              child: (C {(_number)} {(DQ (${ Id.VSub_Name r))})
              terminator: (Token id:Id.Op_Semi val:';' span_id:962)
            )
          ]
        )
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.IndexedName name:REPL_ENV index:(arith_expr.ArithWord w:{(DQ ('+'))}))
          op: assign_op.Equal
          rhs: {(plus)}
          spids: [967]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.IndexedName name:REPL_ENV index:(arith_expr.ArithWord w:{(DQ (-))}))
          op: assign_op.Equal
          rhs: {(minus)}
          spids: [978]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.IndexedName name:REPL_ENV index:(arith_expr.ArithWord w:{(DQ (__STAR__))}))
          op: assign_op.Equal
          rhs: {(multiply)}
          spids: [989]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.IndexedName name:REPL_ENV index:(arith_expr.ArithWord w:{(DQ (/))}))
          op: assign_op.Equal
          rhs: {(divide)}
          spids: [1000]
        )
      ]
    )
    (command.WhileUntil
      keyword: (Token id:Id.KW_While val:while span_id:1015)
      cond: [
        (command.Sentence
          child: (C {(true)})
          terminator: (Token id:Id.Op_Semi val:';' span_id:1018)
        )
      ]
      body: 
        (command.DoGroup
          children: [
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {(READLINE)} {(DQ ('user> '))})
                (command.ControlFlow
                  token: (Token id:Id.ControlFlow_Exit val:exit span_id:1031)
                  arg_word: {(DQ ($ Id.VSub_QMark '$?'))}
                )
              ]
            )
            (command.AndOr
              ops: [Id.Op_DAmp Id.Op_DAmp]
              children: [
                (command.DBracket expr:(bool_expr.WordTest w:{(DQ (${ Id.VSub_Name r))}))
                (C {(REP)} {(DQ (${ Id.VSub_Name r))})
                (C {(echo)} {(DQ (${ Id.VSub_Name r))})
              ]
            )
          ]
        )
    )
  ]
)