(command.CommandList
  children: [
    (C {<source>} 
      {
        (command_sub
          left_token: <Id.Left_DollarParen '$('>
          child: (C {<dirname>} {($ Id.VSub_Number '$0')})
        ) <'/reader.sh'>
      }
    )
    (C {<source>} 
      {
        (command_sub
          left_token: <Id.Left_DollarParen '$('>
          child: (C {<dirname>} {($ Id.VSub_Number '$0')})
        ) <'/printer.sh'>
      }
    )
    (C {<source>} 
      {
        (command_sub
          left_token: <Id.Left_DollarParen '$('>
          child: (C {<dirname>} {($ Id.VSub_Number '$0')})
        ) <'/env.sh'>
      }
    )
    (C {<source>} 
      {
        (command_sub
          left_token: <Id.Left_DollarParen '$('>
          child: (C {<dirname>} {($ Id.VSub_Number '$0')})
        ) <'/core.sh'>
      }
    )
    (command.ShFunction
      name: READ
      body: 
        (BraceGroup
          children: [
            (command.AndOr
              ops: [Id.Op_DAmp Id.Op_DPipe]
              children: [
                (C {<Id.Lit_LBracket '['>} {(DQ (${ 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 (${ Id.VSub_Number 1))}
                      spids: [64]
                    )
                  ]
                )
                (C {<READLINE>})
              ]
            )
            (C {<READ_STR>} {(DQ (${ Id.VSub_Name r))})
          ]
        )
    )
    (command.ShFunction
      name: EVAL_AST
      body: 
        (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 (${ Id.VSub_Name ast))})
              terminator: <Id.Op_Semi _>
            )
            (C {<local>} {<Id.Lit_VarLike 'ot='> (DQ (${ Id.VSub_Name r))})
            (command.Case
              to_match: {(DQ (${ Id.VSub_Name ot))}
              arms: [
                (case_arm
                  pat_list: [{<symbol>}]
                  action: [
                    (C {<ENV_GET>} {(DQ (${ Id.VSub_Name env))} {(DQ (${ Id.VSub_Name ast))})
                    (command.ControlFlow token:<Id.ControlFlow_Return return>)
                  ]
                  spids: [149 150 170 -1]
                )
                (case_arm
                  pat_list: [{<list>}]
                  action: [
                    (C {<_map_with_type>} {<_list>} {<EVAL>} {(DQ (${ Id.VSub_Name ast))} 
                      {(DQ (${ Id.VSub_Name env))}
                    )
                  ]
                  spids: [173 174 195 -1]
                )
                (case_arm
                  pat_list: [{<vector>}]
                  action: [
                    (C {<_map_with_type>} {<_vector>} {<EVAL>} {(DQ (${ Id.VSub_Name ast))} 
                      {(DQ (${ Id.VSub_Name env))}
                    )
                  ]
                  spids: [198 199 220 -1]
                )
                (case_arm
                  pat_list: [{<hash_map>}]
                  action: [
                    (C {<local>} {<Id.Lit_VarLike 'res='> (DQ )} {<Id.Lit_VarLike 'key='>} 
                      {<Id.Lit_VarLike 'val='> (DQ )} 
                      {<Id.Lit_VarLike 'hm='> 
                        (DQ 
                          (braced_var_sub
                            token: <Id.VSub_Name ANON>
                            bracket_op: (bracket_op.ArrayIndex expr:{(DQ (${ Id.VSub_Name ast))})
                          )
                        )
                      }
                    )
                    (command.Sentence
                      child: (C {<_hash_map>})
                      terminator: <Id.Op_Semi _>
                    )
                    (C {<local>} {<Id.Lit_VarLike 'new_hm='> (DQ (${ Id.VSub_Name r))})
                    (C {<eval>} {<local>} 
                      {<Id.Lit_VarLike 'keys='> 
                        (DQ (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\$'>) <'{!'> 
                          (${ Id.VSub_Name hm) <'[@]}'>
                        )
                      }
                    )
                    (command.ForEach
                      iter_name: key
                      iter_words: [{(${ Id.VSub_Name keys)}]
                      do_arg_iter: F
                      body: 
                        (command.DoGroup
                          children: [
                            (C {<eval>} 
                              {<Id.Lit_VarLike 'val='> 
                                (DQ (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\$'>) <'{'> 
                                  (${ Id.VSub_Name hm) <'['> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) (${ Id.VSub_Name key) 
                                  (word_part.EscapedLiteral
                                    token: <Id.Lit_EscapedChar '\\"'>
                                  ) <']}'>
                                )
                              }
                            )
                            (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: [355]
                        )
                      ]
                    )
                  ]
                  spids: [223 224 362 -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 (${ Id.VSub_Name ast))}
                          spids: [369]
                        )
                      ]
                    )
                  ]
                  spids: [365 366 376 -1]
                )
              ]
            )
          ]
        )
    )
    (command.ShFunction
      name: EVAL
      body: 
        (BraceGroup
          children: [
            (C {<local>} {<Id.Lit_VarLike 'ast='> (DQ (${ Id.VSub_Number 1))} 
              {<Id.Lit_VarLike 'env='> (DQ (${ Id.VSub_Number 2))}
            )
            (command.WhileUntil
              keyword: <Id.KW_While while>
              cond: 
                (condition.Shell
                  commands: [(command.Sentence child:(C {<true>}) terminator:<Id.Op_Semi _>)]
                )
              body: 
                (command.DoGroup
                  children: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:r)
                          op: assign_op.Equal
                          rhs: (word.Empty)
                          spids: [417]
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.DBracket
                          expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name __ERROR))})
                        )
                        (command.ControlFlow
                          token: <Id.ControlFlow_Return return>
                          arg_word: {<1>}
                        )
                      ]
                    )
                    (command.Sentence
                      child: (C {<_obj_type>} {(DQ (${ Id.VSub_Name ast))})
                      terminator: <Id.Op_Semi _>
                    )
                    (C {<local>} {<Id.Lit_VarLike 'ot='> (DQ (${ Id.VSub_Name r))})
                    (command.If
                      arms: [
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (command.DBracket
                                      expr: 
                                        (bool_expr.Binary
                                          op_id: Id.BoolBinary_GlobNEqual
                                          left: {(DQ (${ Id.VSub_Name ot))}
                                          right: {(DQ <list>)}
                                        )
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (C {<EVAL_AST>} {(DQ (${ Id.VSub_Name ast))} {(DQ (${ Id.VSub_Name env))})
                            (command.ControlFlow
                              token: <Id.ControlFlow_Return return>
                            )
                          ]
                          spids: [460 479]
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Id.Op_DAmp Id.Op_DAmp]
                      children: [
                        (C {<_empty> <Id.Lit_QMark '?'>} {(DQ (${ Id.VSub_Name ast))})
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:r)
                              op: assign_op.Equal
                              rhs: {(DQ (${ Id.VSub_Name ast))}
                              spids: [514]
                            )
                          ]
                        )
                        (command.ControlFlow
                          token: <Id.ControlFlow_Return return>
                        )
                      ]
                    )
                    (command.Sentence
                      child: (C {<_nth>} {(DQ (${ Id.VSub_Name ast))} {<0>})
                      terminator: <Id.Op_Semi _>
                    )
                    (C {<local>} {<Id.Lit_VarLike 'a0='> (DQ (${ Id.VSub_Name r))})
                    (command.Sentence
                      child: (C {<_nth>} {(DQ (${ Id.VSub_Name ast))} {<1>})
                      terminator: <Id.Op_Semi _>
                    )
                    (C {<local>} {<Id.Lit_VarLike 'a1='> (DQ (${ Id.VSub_Name r))})
                    (command.Sentence
                      child: (C {<_nth>} {(DQ (${ Id.VSub_Name ast))} {<2>})
                      terminator: <Id.Op_Semi _>
                    )
                    (C {<local>} {<Id.Lit_VarLike 'a2='> (DQ (${ Id.VSub_Name r))})
                    (command.Case
                      to_match: 
                        {
                          (DQ 
                            (braced_var_sub
                              token: <Id.VSub_Name ANON>
                              bracket_op: (bracket_op.ArrayIndex expr:{(DQ (${ Id.VSub_Name a0))})
                            )
                          )
                        }
                      arms: [
                        (case_arm
                          pat_list: [{<def> <Id.KW_Bang '!'>}]
                          action: [
                            (C {<EVAL>} {(DQ (${ Id.VSub_Name a2))} {(DQ (${ Id.VSub_Name env))})
                            (command.AndOr
                              ops: [Id.Op_DAmp]
                              children: [
                                (command.DBracket
                                  expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name __ERROR))})
                                )
                                (command.ControlFlow
                                  token: <Id.ControlFlow_Return return>
                                  arg_word: {<1>}
                                )
                              ]
                            )
                            (C {<ENV_SET>} {(DQ (${ Id.VSub_Name env))} {(DQ (${ Id.VSub_Name a1))} 
                              {(DQ (${ Id.VSub_Name r))}
                            )
                            (command.ControlFlow
                              token: <Id.ControlFlow_Return return>
                            )
                          ]
                          spids: [612 614 671 -1]
                        )
                        (case_arm
                          pat_list: [{<let> <Id.Lit_Star '*'>}]
                          action: [
                            (command.Sentence
                              child: (C {<ENV>} {(DQ (${ Id.VSub_Name env))})
                              terminator: <Id.Op_Semi _>
                            )
                            (C {<local>} {<Id.Lit_VarLike 'let_env='> (DQ (${ Id.VSub_Name r))})
                            (C {<local>} 
                              {<Id.Lit_VarLike 'let_pairs='> 
                                (sh_array_literal
                                  left: <Id.Op_LParen _>
                                  words: [
                                    {
                                      (braced_var_sub
                                        token: <Id.VSub_Name ANON>
                                        bracket_op: 
                                          (bracket_op.ArrayIndex
                                            expr: {(DQ (${ Id.VSub_Name a1))}
                                          )
                                      )
                                    }
                                  ]
                                )
                              }
                            )
                            (C {<local>} {<Id.Lit_VarLike 'idx='> <0>})
                            (command.WhileUntil
                              keyword: <Id.KW_While while>
                              cond: 
                                (condition.Shell
                                  commands: [
                                    (command.Sentence
                                      child: 
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.WordTest
                                              w: 
                                                {
                                                  (DQ 
                                                    (braced_var_sub
                                                      token: <Id.VSub_Name let_pairs>
                                                      bracket_op: 
                                                        (bracket_op.ArrayIndex
                                                          expr: {(DQ (${ Id.VSub_Name idx))}
                                                        )
                                                    )
                                                  )
                                                }
                                            )
                                        )
                                      terminator: <Id.Op_Semi _>
                                    )
                                  ]
                                )
                              body: 
                                (command.DoGroup
                                  children: [
                                    (C {<EVAL>} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            token: <Id.VSub_Name let_pairs>
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: 
                                                  {
                                                    (word_part.ArithSub
                                                      anode: 
                                                        (arith_expr.Binary
                                                          op_id: Id.Arith_Plus
                                                          left: <Id.Lit_ArithVarLike idx>
                                                          right: {<Id.Lit_Digits 1>}
                                                        )
                                                    )
                                                  }
                                              )
                                          )
                                        )
                                      } {(DQ (${ Id.VSub_Name let_env))}
                                    )
                                    (C {<ENV_SET>} {(DQ (${ Id.VSub_Name let_env))} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            token: <Id.VSub_Name let_pairs>
                                            bracket_op: 
                                              (bracket_op.ArrayIndex
                                                expr: {(${ Id.VSub_Name idx)}
                                              )
                                          )
                                        )
                                      } {(DQ (${ Id.VSub_Name r))}
                                    )
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:idx)
                                          op: assign_op.Equal
                                          rhs: 
                                            {
                                              (word_part.ArithSub
                                                anode: 
                                                  (arith_expr.Binary
                                                    op_id: Id.Arith_Plus
                                                    left: <Id.Lit_ArithVarLike idx>
                                                    right: {<Id.Lit_Digits 2>}
                                                  )
                                              )
                                            }
                                          spids: [799]
                                        )
                                      ]
                                    )
                                  ]
                                )
                            )
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:ast)
                                  op: assign_op.Equal
                                  rhs: {(DQ (${ Id.VSub_Name a2))}
                                  spids: [814]
                                )
                              ]
                            )
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:env)
                                  op: assign_op.Equal
                                  rhs: {(DQ (${ Id.VSub_Name let_env))}
                                  spids: [822]
                                )
                              ]
                            )
                          ]
                          spids: [674 676 834 -1]
                        )
                        (case_arm
                          pat_list: [{<Id.KW_Do do>}]
                          action: [
                            (C {<_count>} {(DQ (${ Id.VSub_Name ast))})
                            (C {<_slice>} {(DQ (${ Id.VSub_Name ast))} {<1>} 
                              {
                                (word_part.ArithSub
                                  anode: 
                                    (arith_expr.Binary
                                      op_id: Id.Arith_Minus
                                      left: {(${ Id.VSub_Name r)}
                                      right: {<Id.Lit_Digits 2>}
                                    )
                                )
                              }
                            )
                            (C {<EVAL_AST>} {(DQ (${ Id.VSub_Name r))} {(DQ (${ Id.VSub_Name env))})
                            (command.AndOr
                              ops: [Id.Op_DAmp Id.Op_DAmp]
                              children: [
                                (command.DBracket
                                  expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name __ERROR))})
                                )
                                (command.ShAssignment
                                  pairs: [
                                    (assign_pair
                                      lhs: (sh_lhs_expr.Name name:r)
                                      op: assign_op.Equal
                                      rhs: (word.Empty)
                                      spids: [900]
                                    )
                                  ]
                                )
                                (command.ControlFlow
                                  token: <Id.ControlFlow_Return return>
                                  arg_word: {<1>}
                                )
                              ]
                            )
                            (C {<_last>} {(DQ (${ Id.VSub_Name ast))})
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:ast)
                                  op: assign_op.Equal
                                  rhs: {(DQ (${ Id.VSub_Name r))}
                                  spids: [918]
                                )
                              ]
                            )
                          ]
                          spids: [837 838 930 -1]
                        )
                        (case_arm
                          pat_list: [{<Id.KW_If if>}]
                          action: [
                            (C {<EVAL>} {(DQ (${ Id.VSub_Name a1))} {(DQ (${ Id.VSub_Name env))})
                            (command.AndOr
                              ops: [Id.Op_DAmp]
                              children: [
                                (command.DBracket
                                  expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name __ERROR))})
                                )
                                (command.ControlFlow
                                  token: <Id.ControlFlow_Return return>
                                  arg_word: {<1>}
                                )
                              ]
                            )
                            (command.If
                              arms: [
                                (if_arm
                                  cond: 
                                    (condition.Shell
                                      commands: [
                                        (command.Sentence
                                          child: 
                                            (command.DBracket
                                              expr: 
                                                (bool_expr.LogicalOr
                                                  left: 
                                                    (bool_expr.Binary
                                                      op_id: Id.BoolBinary_GlobDEqual
                                                      left: {(DQ (${ Id.VSub_Name r))}
                                                      right: {(DQ (${ Id.VSub_Name __false))}
                                                    )
                                                  right: 
                                                    (bool_expr.Binary
                                                      op_id: Id.BoolBinary_GlobDEqual
                                                      left: {(DQ (${ Id.VSub_Name r))}
                                                      right: {(DQ (${ Id.VSub_Name __nil))}
                                                    )
                                                )
                                            )
                                          terminator: <Id.Op_Semi _>
                                        )
                                      ]
                                    )
                                  action: [
                                    (command.Sentence
                                      child: (C {<_nth>} {(DQ (${ Id.VSub_Name ast))} {<3>})
                                      terminator: <Id.Op_Semi _>
                                    )
                                    (C {<local>} {<Id.Lit_VarLike 'a3='> (DQ (${ Id.VSub_Name r))})
                                    (command.If
                                      arms: [
                                        (if_arm
                                          cond: 
                                            (condition.Shell
                                              commands: [
                                                (command.Sentence
                                                  child: 
                                                    (command.DBracket
                                                      expr: 
                                                        (bool_expr.WordTest
                                                          w: {(DQ (${ Id.VSub_Name a3))}
                                                        )
                                                    )
                                                  terminator: <Id.Op_Semi _>
                                                )
                                              ]
                                            )
                                          action: [
                                            (command.ShAssignment
                                              pairs: [
                                                (assign_pair
                                                  lhs: (sh_lhs_expr.Name name:ast)
                                                  op: assign_op.Equal
                                                  rhs: {(DQ (${ Id.VSub_Name a3))}
                                                  spids: [1049]
                                                )
                                              ]
                                            )
                                          ]
                                          spids: [1033 1046]
                                        )
                                      ]
                                      else_action: [
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:r)
                                              op: assign_op.Equal
                                              rhs: {(DQ (${ Id.VSub_Name __nil))}
                                              spids: [1060]
                                            )
                                          ]
                                        )
                                        (command.ControlFlow
                                          token: <Id.ControlFlow_Return return>
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [968 1005]
                                )
                              ]
                              else_action: [
                                (command.ShAssignment
                                  pairs: [
                                    (assign_pair
                                      lhs: (sh_lhs_expr.Name name:ast)
                                      op: assign_op.Equal
                                      rhs: {(DQ (${ Id.VSub_Name a2))}
                                      spids: [1081]
                                    )
                                  ]
                                )
                              ]
                            )
                          ]
                          spids: [933 934 1096 -1]
                        )
                        (case_arm
                          pat_list: [{<fn> <Id.Lit_Star '*'>}]
                          action: [
                            (C {<_function>} 
                              {
                                (DQ <'ENV '> 
                                  (word_part.EscapedLiteral
                                    token: <Id.Lit_EscapedChar '\\"'>
                                  ) (${ Id.VSub_Name env) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) <' '> 
                                  (word_part.EscapedLiteral
                                    token: <Id.Lit_EscapedChar '\\"'>
                                  ) (${ Id.VSub_Name a1) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) <' '> 
                                  (word_part.EscapedLiteral
                                    token: <Id.Lit_EscapedChar '\\"'>
                                  ) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\$'>) <'{@}'> 
                                  (word_part.EscapedLiteral
                                    token: <Id.Lit_EscapedChar '\\"'>
                                  ) <'; '> <'                         EVAL '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) 
                                  (${ Id.VSub_Name a2) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) <' '> 
                                  (word_part.EscapedLiteral
                                    token: <Id.Lit_EscapedChar '\\"'>
                                  ) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\$'>) <'{r}'> 
                                  (word_part.EscapedLiteral
                                    token: <Id.Lit_EscapedChar '\\"'>
                                  )
                                )
                              } {(DQ (${ Id.VSub_Name a2))} {(DQ (${ Id.VSub_Name env))} {(DQ (${ Id.VSub_Name a1))}
                            )
                            (command.ControlFlow
                              token: <Id.ControlFlow_Return return>
                            )
                          ]
                          spids: [1099 1101 1161 -1]
                        )
                        (case_arm
                          pat_list: [{<Id.Lit_Star '*'>}]
                          action: [
                            (C {<EVAL_AST>} {(DQ (${ Id.VSub_Name ast))} {(DQ (${ Id.VSub_Name env))})
                            (command.AndOr
                              ops: [Id.Op_DAmp Id.Op_DAmp]
                              children: [
                                (command.DBracket
                                  expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name __ERROR))})
                                )
                                (command.ShAssignment
                                  pairs: [
                                    (assign_pair
                                      lhs: (sh_lhs_expr.Name name:r)
                                      op: assign_op.Equal
                                      rhs: (word.Empty)
                                      spids: [1194]
                                    )
                                  ]
                                )
                                (command.ControlFlow
                                  token: <Id.ControlFlow_Return return>
                                  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: <Id.Op_Semi _>
                            )
                            (C {<local>} 
                              {<Id.Lit_VarLike 'f='> 
                                (DQ 
                                  (braced_var_sub
                                    token: <Id.VSub_Name ANON>
                                    bracket_op: (bracket_op.ArrayIndex expr:{(DQ (${ Id.VSub_Name r))})
                                  )
                                )
                              }
                            )
                            (command.Sentence
                              child: (C {<_rest>} {(DQ (${ Id.VSub_Name el))})
                              terminator: <Id.Op_Semi _>
                            )
                            (C {<local>} 
                              {<Id.Lit_VarLike 'args='> 
                                (DQ 
                                  (braced_var_sub
                                    token: <Id.VSub_Name ANON>
                                    bracket_op: (bracket_op.ArrayIndex expr:{(DQ (${ Id.VSub_Name r))})
                                  )
                                )
                              }
                            )
                            (command.If
                              arms: [
                                (if_arm
                                  cond: 
                                    (condition.Shell
                                      commands: [
                                        (command.Sentence
                                          child: 
                                            (command.DBracket
                                              expr: 
                                                (bool_expr.Binary
                                                  op_id: Id.BoolBinary_GlobNEqual
                                                  left: 
                                                    {
                                                      (DQ 
                                                        (braced_var_sub
                                                          token: <Id.VSub_Name f>
                                                          suffix_op: 
                                                            (suffix_op.PatSub
                                                              pat: {<Id.Lit_Other '@'>}
                                                              replace: {<' '>}
                                                              replace_mode: Id.Lit_Slash
                                                            )
                                                        )
                                                      )
                                                    }
                                                  right: {(DQ (${ Id.VSub_Name f))}
                                                )
                                            )
                                          terminator: <Id.Op_Semi _>
                                        )
                                      ]
                                    )
                                  action: [
                                    (C {<set>} {<-->} 
                                      {
                                        (braced_var_sub
                                          token: <Id.VSub_Name f>
                                          suffix_op: 
                                            (suffix_op.PatSub
                                              pat: {<Id.Lit_Other '@'>}
                                              replace: {<' '>}
                                              replace_mode: Id.Lit_Slash
                                            )
                                        )
                                      }
                                    )
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:ast)
                                          op: assign_op.Equal
                                          rhs: {(DQ (${ Id.VSub_Number 2))}
                                          spids: [1312]
                                        )
                                      ]
                                    )
                                    (C {<ENV>} {(DQ (${ Id.VSub_Number 3))} {(DQ (${ Id.VSub_Number 4))} 
                                      {(${ Id.VSub_Name args)}
                                    )
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:env)
                                          op: assign_op.Equal
                                          rhs: {(DQ (${ Id.VSub_Name r))}
                                          spids: [1339]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1269 1295]
                                )
                              ]
                              else_action: [
                                (C {<eval>} 
                                  {
                                    (braced_var_sub
                                      token: <Id.VSub_Name f>
                                      suffix_op: 
                                        (suffix_op.Unary
                                          tok: <Id.VOp1_DPercent '%%'>
                                          arg_word: {<Id.Lit_Other '@'> <Id.Lit_Other '*'>}
                                        )
                                    )
                                  } {(${ Id.VSub_Name args)}
                                )
                                (command.ControlFlow
                                  token: <Id.ControlFlow_Return return>
                                )
                              ]
                            )
                          ]
                          spids: [1164 1165 1374 -1]
                        )
                      ]
                    )
                  ]
                )
            )
          ]
        )
    )
    (command.ShFunction
      name: PRINT
      body: 
        (BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              expr: (bool_expr.WordTest w:{(DQ (${ Id.VSub_Name __ERROR))})
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (C {<_pr_str>} {(DQ (${ Id.VSub_Name __ERROR))} {<yes>})
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:r)
                          op: assign_op.Equal
                          rhs: {(DQ <'Error: '> (${ Id.VSub_Name r))}
                          spids: [1423]
                        )
                      ]
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:__ERROR)
                          op: assign_op.Equal
                          rhs: (word.Empty)
                          spids: [1432]
                        )
                      ]
                    )
                  ]
                  spids: [1396 1409]
                )
              ]
              else_action: [(C {<_pr_str>} {(DQ (${ Id.VSub_Number 1))} {<yes>})]
            )
          ]
        )
    )
    (command.CommandList
      children: [
        (command.Sentence child:(C {<ENV>}) terminator:<Id.Op_Semi _>)
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:REPL_ENV)
              op: assign_op.Equal
              rhs: {(DQ (${ Id.VSub_Name r))}
              spids: [1460]
            )
          ]
        )
      ]
    )
    (command.ShFunction
      name: REP
      body: 
        (BraceGroup
          children: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:r)
                  op: assign_op.Equal
                  rhs: (word.Empty)
                  spids: [1475]
                )
              ]
            )
            (C {<READ>} {(DQ (${ Id.VSub_Number 1))})
            (C {<EVAL>} {(DQ (${ Id.VSub_Name r))} {(DQ (${ Id.VSub_Name REPL_ENV))})
            (C {<PRINT>} {(DQ (${ Id.VSub_Name r))})
          ]
        )
    )
    (command.ShFunction
      name: _fref
      body: 
        (BraceGroup
          children: [
            (command.Sentence
              child: (C {<_symbol>} {(DQ (${ Id.VSub_Number 1))})
              terminator: <Id.Op_Semi _>
            )
            (C {<local>} {<Id.Lit_VarLike 'sym='> (DQ (${ Id.VSub_Name r))})
            (C {<_function>} 
              {
                (DQ (${ Id.VSub_Number 2) <' '> 
                  (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\$'>) <'{@}'> 
                  (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'>)
                )
              }
            )
            (C {<ENV_SET>} {(DQ (${ Id.VSub_Name REPL_ENV))} {(DQ (${ Id.VSub_Name sym))} 
              {(DQ (${ Id.VSub_Name r))}
            )
          ]
        )
    )
    (command.ForEach
      iter_name: n
      iter_words: [
        {
          (DQ 
            (braced_var_sub
              token: <Id.VSub_Name core_ns>
              prefix_op: (Id.VSub_Bang)
              bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
            )
          )
        }
      ]
      do_arg_iter: F
      body: 
        (command.DoGroup
          children: [
            (command.Sentence
              child: 
                (C {<_fref>} {(DQ (${ Id.VSub_Name n))} 
                  {
                    (DQ 
                      (braced_var_sub
                        token: <Id.VSub_Name core_ns>
                        bracket_op: (bracket_op.ArrayIndex expr:{(DQ (${ Id.VSub_Name n))})
                      )
                    )
                  }
                )
              terminator: <Id.Op_Semi _>
            )
          ]
        )
    )
    (C {<REP>} {(DQ <'(def! not (fn* (a) (if a false true)))'>)})
    (command.WhileUntil
      keyword: <Id.KW_While while>
      cond: 
        (condition.Shell
          commands: [(command.Sentence child:(C {<true>}) terminator:<Id.Op_Semi _>)]
        )
      body: 
        (command.DoGroup
          children: [
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<READLINE>} {(DQ <'user> '>)})
                (command.ControlFlow
                  token: <Id.ControlFlow_Exit exit>
                  arg_word: {(DQ ($ 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))})
              ]
            )
          ]
        )
    )
  ]
)