(command.CommandList
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      ops: [Op_DAmp]
      children: [
        (C {(Lit_Other '[')} 
          {
            (word_part.BracedVarSub
              token: <VSub_Name VARIABLES_LINKEDLIST_SH>
              suffix_op: (suffix_op.StringUnary op_id:VTest_Plus arg_word:{(true)})
            )
          } {(Lit_Other ']')}
        )
        (command.ControlFlow token:<ControlFlow_Return return>)
      ]
    )
    (command.Assignment
      keyword: Assign_Declare
      flags: [-g]
      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:VARIABLES_LINKEDLIST_SH) op:Equal rhs:{(true)})]
    )
    (C {(.)} 
      {
        (word_part.BracedVarSub
          token: <VSub_Name BASH_SOURCE>
          suffix_op: (suffix_op.StringUnary op_id:VOp1_Percent arg_word:{(Lit_Slash /) ('*')})
        ) (/common.sh)
      }
    )
    (C {(.)} 
      {
        (word_part.BracedVarSub
          token: <VSub_Name BASH_SOURCE>
          suffix_op: (suffix_op.StringUnary op_id:VOp1_Percent arg_word:{(Lit_Slash /) ('*')})
        ) (/logger.sh)
      }
    )
    (C {(.)} 
      {
        (word_part.BracedVarSub
          token: <VSub_Name BASH_SOURCE>
          suffix_op: (suffix_op.StringUnary op_id:VOp1_Percent arg_word:{(Lit_Slash /) ('*')})
        ) (/variables.sh)
      }
    )
    (C {(.)} 
      {
        (word_part.BracedVarSub
          token: <VSub_Name BASH_SOURCE>
          suffix_op: (suffix_op.StringUnary op_id:VOp1_Percent arg_word:{(Lit_Slash /) ('*')})
        ) (/variables.atom.sh)
      }
    )
    (C {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') (define)} 
      {(LinkedList)}
    )
    (command.FuncDef
      name: 'variable::LinkedList::new'
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(${ VSub_Name VARIABLES_DEBUG)}
                              right: {(1)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Sentence
                      child: (C {(stderr)} {(DQ ('variable::LinkedList::new ') (${ VSub_At '@'))})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
              ]
            )
            (C {(variable) (Lit_Other ':') (Lit_Other ':') (new)} {(LinkedList)} {(DQ (${ VSub_At '@'))})
          ]
        )
    )
    (command.FuncDef
      name: 'variable::LinkedList::append'
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(${ VSub_Name VARIABLES_DEBUG)}
                              right: {(1)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Sentence
                      child: (C {(stderr)} {(DQ ('variable::LinkedList::append ') (${ VSub_At '@'))})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:list_token)
                  op: Equal
                  rhs: {($ VSub_Number '$1')}
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:value_token)
                  op: Equal
                  rhs: {($ VSub_Number '$2')}
                )
              ]
            )
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') 
                (instanceOfOrExit)
              } {(DQ (${ VSub_Name list_token))} {(LinkedList)}
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:currToken)
                  op: Equal
                  rhs: {(DQ (${ VSub_Name list_token))}
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:node) op:Equal)]
            )
            (command.Assignment
              keyword: Assign_Declare
              flags: [-a]
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:nodeArr) op:Equal)]
            )
            (command.WhileUntil
              keyword: <KW_While while>
              cond: [(command.Sentence child:(C {(true)}) terminator:<Op_Semi ';'>)]
              body: 
                (command.DoGroup
                  children: [
                    (C {(variable) (Lit_Other ':') (Lit_Other ':') (value)} 
                      {(DQ (${ VSub_Name currToken))}
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:node)
                          op: Equal
                          rhs: {(DQ (${ VSub_Name RESULT))}
                        )
                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (C {(Lit_Other '[')} {(DQ (${ VSub_Name node))} 
                                  {(Lit_Other '=') (Lit_Other '=')} {(DQ )} {(Lit_Other ']')}
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (C 
                              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') 
                                (Lit_Other ':') (new)
                              }
                            )
                            (command.Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (lhs_expr.LhsName name:nodeArr)
                                  op: Equal
                                  rhs: 
                                    {
                                      (word_part.ArrayLiteralPart
                                        words: [
                                          {(DQ (${ VSub_Name value_token))}
                                          {(DQ (${ VSub_Name RESULT))}
                                        ]
                                      )
                                    }
                                )
                              ]
                            )
                            (C {(variable) (Lit_Other ':') (Lit_Other ':') (set)} 
                              {(DQ (${ VSub_Name currToken))} {(LinkedList)} 
                              {
                                (DQ 
                                  (word_part.BracedVarSub
                                    token: <VSub_Name nodeArr>
                                    bracket_op: (bracket_op.WholeArray op_id:Arith_Star)
                                  )
                                )
                              }
                            )
                            (command.Assignment
                              keyword: Assign_None
                              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:RESULT) op:Equal rhs:{(DQ )})]
                            )
                            (command.ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(0)}
                            )
                          ]
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:nodeArr)
                          op: Equal
                          rhs: {(word_part.ArrayLiteralPart words:[{($ VSub_DollarName '$node')}])}
                        )
                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (C {(Lit_Other '[')} 
                                  {
                                    (DQ 
                                      (word_part.BracedVarSub
                                        token: <VSub_Name nodeArr>
                                        prefix_op: VSub_Pound
                                        bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                                      )
                                    )
                                  } {(-ne)} {(2)} {(Lit_Other ']')}
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (C {(stderr)} 
                              {
                                (DQ ('Encountered node with single element at [') 
                                  (${ VSub_Name currToken) (']=[') 
                                  (word_part.BracedVarSub
                                    token: <VSub_Name nodeArr>
                                    bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                                  ) (']')
                                )
                              }
                            )
                            (command.ControlFlow
                              token: <ControlFlow_Exit exit>
                              arg_word: {(1)}
                            )
                          ]
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:currToken)
                          op: Equal
                          rhs: 
                            {
                              (DQ 
                                (word_part.BracedVarSub
                                  token: <VSub_Name nodeArr>
                                  bracket_op: 
                                    (bracket_op.ArrayIndex
                                      expr: (arith_expr.ArithWord w:{(Lit_Digits 1)})
                                    )
                                )
                              )
                            }
                        )
                      ]
                    )
                  ]
                )
            )
            (C {(stderr)} {(DQ ('Should never get here'))})
            (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
          ]
        )
    )
    (command.FuncDef
      name: 'variable::LinkedList::prepend'
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(${ VSub_Name VARIABLES_DEBUG)}
                              right: {(1)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Sentence
                      child: (C {(stderr)} {(DQ ('variable::LinkedList::prepend ') (${ VSub_At '@'))})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:list_token)
                  op: Equal
                  rhs: {($ VSub_Number '$1')}
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:value_token)
                  op: Equal
                  rhs: {($ VSub_Number '$2')}
                )
              ]
            )
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') 
                (instanceOfOrExit)
              } {(DQ (${ VSub_Name list_token))} {(LinkedList)}
            )
            (C {(variable) (Lit_Other ':') (Lit_Other ':') (value)} {(DQ (${ VSub_Name list_token))})
            (command.Assignment
              keyword: Assign_Declare
              flags: [-a]
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:node)
                  op: Equal
                  rhs: {(word_part.ArrayLiteralPart words:[{(${ VSub_Name RESULT)}])}
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              flags: [-a]
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:node)
                  op: Equal
                  rhs: 
                    {
                      (word_part.ArrayLiteralPart
                        words: [{(DQ (${ VSub_Name value_token))} {(DQ (${ VSub_Name list_token))}]
                      )
                    }
                )
              ]
            )
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (new)
              } 
              {
                (DQ 
                  (word_part.BracedVarSub
                    token: <VSub_Name node>
                    bracket_op: (bracket_op.WholeArray op_id:Arith_Star)
                  )
                )
              }
            )
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:RESULT)
                  op: Equal
                  rhs: {(DQ (${ VSub_Name RESULT))}
                )
              ]
            )
          ]
        )
    )
    (command.FuncDef
      name: 'variable::LinkedList::length'
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(${ VSub_Name VARIABLES_DEBUG)}
                              right: {(1)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Sentence
                      child: (C {(stderr)} {(DQ ('variable::LinkedList::length ') (${ VSub_At '@'))})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:list_token)
                  op: Equal
                  rhs: {($ VSub_Number '$1')}
                )
              ]
            )
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') 
                (instanceOfOrExit)
              } {(DQ (${ VSub_Name list_token))} {(LinkedList)}
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:currToken)
                  op: Equal
                  rhs: {(DQ (${ VSub_Name list_token))}
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:node) op:Equal)]
            )
            (command.Assignment
              keyword: Assign_Declare
              flags: [-a]
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:nodeArr) op:Equal)]
            )
            (command.Assignment
              keyword: Assign_Declare
              flags: [-i]
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:count) op:Equal rhs:{(0)})]
            )
            (command.WhileUntil
              keyword: <KW_While while>
              cond: [(command.Sentence child:(C {(true)}) terminator:<Op_Semi ';'>)]
              body: 
                (command.DoGroup
                  children: [
                    (C {(variable) (Lit_Other ':') (Lit_Other ':') (value)} 
                      {(DQ (${ VSub_Name currToken))}
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                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:node)
                          op: Equal
                          rhs: {(DQ (${ VSub_Name RESULT))}
                        )
                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (C {(Lit_Other '[')} {(DQ (${ VSub_Name node))} 
                                  {(Lit_Other '=') (Lit_Other '=')} {(DQ )} {(Lit_Other ']')}
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (command.Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (lhs_expr.LhsName name:RESULT)
                                  op: Equal
                                  rhs: {(${ VSub_Name count)}
                                )
                              ]
                            )
                            (command.ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(0)}
                            )
                          ]
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:nodeArr)
                          op: Equal
                          rhs: {(word_part.ArrayLiteralPart words:[{($ VSub_DollarName '$node')}])}
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                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (C {(Lit_Other '[')} 
                                  {
                                    (DQ 
                                      (word_part.BracedVarSub
                                        token: <VSub_Name nodeArr>
                                        prefix_op: VSub_Pound
                                        bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                                      )
                                    )
                                  } {(-ne)} {(2)} {(Lit_Other ']')}
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (C {(stderr)} 
                              {
                                (DQ ('Encountered node with single element at [') 
                                  (${ VSub_Name currToken) (']=[') 
                                  (word_part.BracedVarSub
                                    token: <VSub_Name nodeArr>
                                    bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                                  ) (']')
                                )
                              }
                            )
                            (command.ControlFlow
                              token: <ControlFlow_Exit exit>
                              arg_word: {(1)}
                            )
                          ]
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:count) op:PlusEqual rhs:{(1)})]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:currToken)
                          op: Equal
                          rhs: 
                            {
                              (DQ 
                                (word_part.BracedVarSub
                                  token: <VSub_Name nodeArr>
                                  bracket_op: 
                                    (bracket_op.ArrayIndex
                                      expr: (arith_expr.ArithWord w:{(Lit_Digits 1)})
                                    )
                                )
                              )
                            }
                        )
                      ]
                    )
                  ]
                )
            )
            (C {(stderr)} {(DQ ('Should never get here'))})
            (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
          ]
        )
    )
    (command.FuncDef
      name: 'variable::LinkedList::index'
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(${ VSub_Name VARIABLES_DEBUG)}
                              right: {(1)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Sentence
                      child: (C {(stderr)} {(DQ ('variables_list::index ') (${ VSub_At '@'))})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:token)
                  op: Equal
                  rhs: {(DQ (${ VSub_Number 1))}
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              flags: [-i]
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:index)
                  op: Equal
                  rhs: {(DQ (${ VSub_Number 2))}
                )
              ]
            )
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') 
                (instanceOfOrExit)
              } {(DQ (${ VSub_Name token))} {(LinkedList)}
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:currToken)
                  op: Equal
                  rhs: {(DQ (${ VSub_Name token))}
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:node) op:Equal)]
            )
            (command.Assignment
              keyword: Assign_Declare
              flags: [-a]
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:nodeArr) op:Equal)]
            )
            (command.Assignment
              keyword: Assign_Declare
              flags: [-i]
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:count) op:Equal rhs:{(0)})]
            )
            (command.WhileUntil
              keyword: <KW_While while>
              cond: [(command.Sentence child:(C {(true)}) terminator:<Op_Semi ';'>)]
              body: 
                (command.DoGroup
                  children: [
                    (C {(variable) (Lit_Other ':') (Lit_Other ':') (value)} 
                      {(DQ (${ VSub_Name currToken))}
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:node)
                          op: Equal
                          rhs: {(DQ (${ VSub_Name RESULT))}
                        )
                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (C {(Lit_Other '[')} {(DQ (${ VSub_Name node))} 
                                  {(Lit_Other '=') (Lit_Other '=')} {(DQ )} {(Lit_Other ']')}
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (C {(stderr)} 
                              {
                                (DQ ('Invalid index [') (${ VSub_Name index) ('] for list of length [') 
                                  (${ VSub_Name count) (']')
                                )
                              }
                            )
                            (command.ControlFlow
                              token: <ControlFlow_Exit exit>
                              arg_word: {(1)}
                            )
                          ]
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:nodeArr)
                          op: Equal
                          rhs: {(word_part.ArrayLiteralPart words:[{($ VSub_DollarName '$node')}])}
                        )
                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (C {(Lit_Other '[')} 
                                  {
                                    (DQ 
                                      (word_part.BracedVarSub
                                        token: <VSub_Name nodeArr>
                                        prefix_op: VSub_Pound
                                        bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                                      )
                                    )
                                  } {(-ne)} {(2)} {(Lit_Other ']')}
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (C {(stderr)} 
                              {
                                (DQ ('Encountered node with single element at [') 
                                  (${ VSub_Name currToken) (']=[') 
                                  (word_part.BracedVarSub
                                    token: <VSub_Name nodeArr>
                                    bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                                  ) (']')
                                )
                              }
                            )
                            (command.ControlFlow
                              token: <ControlFlow_Exit exit>
                              arg_word: {(1)}
                            )
                          ]
                        )
                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (C {(Lit_Other '[')} {($ VSub_DollarName '$count')} {(-eq)} 
                                  {($ VSub_DollarName '$index')} {(Lit_Other ']')}
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (command.Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (lhs_expr.LhsName name:RESULT)
                                  op: Equal
                                  rhs: 
                                    {
                                      (DQ 
                                        (word_part.BracedVarSub
                                          token: <VSub_Name nodeArr>
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: (arith_expr.ArithWord w:{(Lit_Digits 0)})
                                            )
                                        )
                                      )
                                    }
                                )
                              ]
                            )
                            (command.ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(0)}
                            )
                          ]
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [(assign_pair lhs:(lhs_expr.LhsName name:count) op:PlusEqual rhs:{(1)})]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:currToken)
                          op: Equal
                          rhs: 
                            {
                              (DQ 
                                (word_part.BracedVarSub
                                  token: <VSub_Name nodeArr>
                                  bracket_op: 
                                    (bracket_op.ArrayIndex
                                      expr: (arith_expr.ArithWord w:{(Lit_Digits 1)})
                                    )
                                )
                              )
                            }
                        )
                      ]
                    )
                  ]
                )
            )
            (C {(stderr)} {(DQ ('Should never get here'))})
            (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
          ]
        )
    )
    (command.FuncDef
      name: 'variable::LinkedList::first'
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(${ VSub_Name VARIABLES_DEBUG)}
                              right: {(1)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Sentence
                      child: (C {(stderr)} {(DQ ('variable::LinkedList::first ') (${ VSub_At '@'))})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:token)
                  op: Equal
                  rhs: {($ VSub_Number '$1')}
                )
              ]
            )
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') 
                (instanceOfOrExit)
              } {(DQ (${ VSub_Name token))} {(LinkedList)}
            )
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (index)
              } {(${ VSub_Name token)} {(0)}
            )
          ]
        )
    )
    (command.FuncDef
      name: 'variable::LinkedList::rest'
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(${ VSub_Name VARIABLES_DEBUG)}
                              right: {(1)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Sentence
                      child: (C {(stderr)} {(DQ ('variable::LinkedList::rest ') (${ VSub_At '@'))})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:token)
                  op: Equal
                  rhs: {($ VSub_Number '$1')}
                )
              ]
            )
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') 
                (instanceOfOrExit)
              } {(DQ (${ VSub_Name token))} {(LinkedList)}
            )
            (C {(variable) (Lit_Other ':') (Lit_Other ':') (value)} {(DQ (${ VSub_Name token))})
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:node)
                  op: Equal
                  rhs: {(DQ (${ VSub_Name RESULT))}
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (C {(Lit_Other '[')} {(DQ (${ VSub_Name node))} 
                          {(Lit_Other '=') (Lit_Other '=')} {(DQ )} {(Lit_Other ']')}
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (C {(stderr)} {(DQ ('Called [rest] on empty list'))})
                    (command.ControlFlow
                      token: <ControlFlow_Exit exit>
                      arg_word: {(1)}
                    )
                  ]
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              flags: [-a]
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:nodeArr)
                  op: Equal
                  rhs: {(word_part.ArrayLiteralPart words:[{($ VSub_DollarName '$RESULT')}])}
                )
              ]
            )
            (command.Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:RESULT)
                  op: Equal
                  rhs: 
                    {
                      (DQ 
                        (word_part.BracedVarSub
                          token: <VSub_Name nodeArr>
                          bracket_op: 
                            (bracket_op.ArrayIndex
                              expr: (arith_expr.ArithWord w:{(Lit_Digits 1)})
                            )
                        )
                      )
                    }
                )
              ]
            )
          ]
        )
    )
    (command.FuncDef
      name: 'variable::LinkedList::isEmpty_c'
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(${ VSub_Name VARIABLES_DEBUG)}
                              right: {(1)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Sentence
                      child: (C {(stderr)} {(DQ ('variable::LinkedList::isEmpty_c ') (${ VSub_At '@'))})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:token)
                  op: Equal
                  rhs: {(DQ (${ VSub_Number 1))}
                )
              ]
            )
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') 
                (instanceOfOrExit)
              } {(DQ (${ VSub_Name token))} {(LinkedList)}
            )
            (C {(variable) (Lit_Other ':') (Lit_Other ':') (value)} {(DQ (${ VSub_Name token))})
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:node)
                  op: Equal
                  rhs: {(DQ (${ VSub_Name RESULT))}
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (C {(Lit_Other '[')} {(DQ (${ VSub_Name node))} 
                          {(Lit_Other '=') (Lit_Other '=')} {(DQ )} {(Lit_Other ']')}
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [(command.ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})]
                )
              ]
              else_action: [(command.ControlFlow token:<ControlFlow_Return return> arg_word:{(1)})]
            )
          ]
        )
    )
    (command.FuncDef
      name: 'variable::LinkedList::toSexp'
      body: 
        (command.BraceGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(${ VSub_Name VARIABLES_DEBUG)}
                              right: {(1)}
                            )
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (command.Sentence
                      child: (C {(stderr)} {(DQ ('variable::LinkedList::toSexp ') (${ VSub_At '@'))})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:token)
                  op: Equal
                  rhs: {(DQ (${ VSub_Number 1))}
                )
              ]
            )
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (type) (Lit_Other ':') (Lit_Other ':') 
                (instanceOfOrExit)
              } {(DQ (${ VSub_Name token))} {(LinkedList)}
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [
                (assign_pair
                  lhs: (lhs_expr.LhsName name:currToken)
                  op: Equal
                  rhs: {(DQ (${ VSub_Name token))}
                )
              ]
            )
            (command.Assignment
              keyword: Assign_Declare
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:node) op:Equal)]
            )
            (command.Assignment
              keyword: Assign_Declare
              flags: [-a]
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:nodeArr) op:Equal)]
            )
            (command.Assignment
              keyword: Assign_Declare
              flags: [-a]
              pairs: [(assign_pair lhs:(lhs_expr.LhsName name:output) op:Equal rhs:{(word_part.ArrayLiteralPart)})]
            )
            (command.WhileUntil
              keyword: <KW_While while>
              cond: [(command.Sentence child:(C {(true)}) terminator:<Op_Semi ';'>)]
              body: 
                (command.DoGroup
                  children: [
                    (C {(variable) (Lit_Other ':') (Lit_Other ':') (value)} 
                      {(DQ (${ VSub_Name currToken))}
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:node)
                          op: Equal
                          rhs: {(DQ (${ VSub_Name RESULT))}
                        )
                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (C {(Lit_Other '[')} {(DQ (${ VSub_Name node))} 
                                  {(Lit_Other '=') (Lit_Other '=')} {(DQ )} {(Lit_Other ']')}
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (command.If
                              arms: [
                                (if_arm
                                  cond: [
                                    (command.Sentence
                                      child: 
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.BoolBinary
                                              op_id: BoolBinary_GlobDEqual
                                              left: 
                                                {
                                                  (word_part.BracedVarSub
                                                    token: <VSub_Name output>
                                                    prefix_op: VSub_Pound
                                                    bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                                                  )
                                                }
                                              right: {(0)}
                                            )
                                        )
                                      terminator: <Op_Semi ';'>
                                    )
                                  ]
                                  action: [
                                    (command.Assignment
                                      keyword: Assign_None
                                      pairs: [
                                        (assign_pair
                                          lhs: (lhs_expr.LhsName name:RESULT)
                                          op: Equal
                                          rhs: {(DQ ('()'))}
                                        )
                                      ]
                                    )
                                  ]
                                )
                              ]
                              else_action: [
                                (command.Assignment
                                  keyword: Assign_None
                                  pairs: [
                                    (assign_pair
                                      lhs: (lhs_expr.LhsName name:RESULT)
                                      op: Equal
                                      rhs: 
                                        {
                                          (DQ ('(') 
                                            (word_part.BracedVarSub
                                              token: <VSub_Name output>
                                              bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                                            ) (')')
                                          )
                                        }
                                    )
                                  ]
                                )
                              ]
                            )
                            (command.ControlFlow
                              token: <ControlFlow_Return return>
                              arg_word: {(0)}
                            )
                          ]
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:nodeArr)
                          op: Equal
                          rhs: {(word_part.ArrayLiteralPart words:[{($ VSub_DollarName '$node')}])}
                        )
                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (C {(Lit_Other '[')} 
                                  {
                                    (DQ 
                                      (word_part.BracedVarSub
                                        token: <VSub_Name nodeArr>
                                        prefix_op: VSub_Pound
                                        bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                                      )
                                    )
                                  } {(-ne)} {(2)} {(Lit_Other ']')}
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (C {(stderr)} 
                              {
                                (DQ ('Encountered node with single element at [') 
                                  (${ VSub_Name currToken) (']=[') 
                                  (word_part.BracedVarSub
                                    token: <VSub_Name nodeArr>
                                    bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                                  ) (']')
                                )
                              }
                            )
                            (command.ControlFlow
                              token: <ControlFlow_Exit exit>
                              arg_word: {(1)}
                            )
                          ]
                        )
                      ]
                    )
                    (C {(variable) (Lit_Other ':') (Lit_Other ':') (toSexp)} 
                      {
                        (word_part.BracedVarSub
                          token: <VSub_Name nodeArr>
                          bracket_op: 
                            (bracket_op.ArrayIndex
                              expr: (arith_expr.ArithWord w:{(Lit_Digits 0)})
                            )
                        )
                      }
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:output)
                          op: PlusEqual
                          rhs: {(word_part.ArrayLiteralPart words:[{(DQ (${ VSub_Name RESULT))}])}
                        )
                      ]
                    )
                    (command.Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (lhs_expr.LhsName name:currToken)
                          op: Equal
                          rhs: 
                            {
                              (DQ 
                                (word_part.BracedVarSub
                                  token: <VSub_Name nodeArr>
                                  bracket_op: 
                                    (bracket_op.ArrayIndex
                                      expr: (arith_expr.ArithWord w:{(Lit_Digits 1)})
                                    )
                                )
                              )
                            }
                        )
                      ]
                    )
                  ]
                )
            )
            (command.Sentence
              child: (C {(stderr)} {(DQ ('should never get here'))})
              terminator: <Op_Semi ';'>
            )
            (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
          ]
        )
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Lit_Other '[')} {($ VSub_Number '$0')} {(KW_Bang '!') (Lit_Other '=')} 
                  {($ VSub_DollarName '$BASH_SOURCE')} {(Lit_Other ']')}
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [(command.ControlFlow token:<ControlFlow_Return return>)]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: (C {(variable) (Lit_Other ':') (Lit_Other ':') (new)} {(String)} {(DQ (A))})
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:var_A)
              op: Equal
              rhs: {(DQ (${ VSub_Name RESULT))}
            )
          ]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: (C {(variable) (Lit_Other ':') (Lit_Other ':') (new)} {(String)} {(DQ (B))})
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:var_B)
              op: Equal
              rhs: {(DQ (${ VSub_Name RESULT))}
            )
          ]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: (C {(variable) (Lit_Other ':') (Lit_Other ':') (new)} {(String)} {(DQ (C))})
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:var_C)
              op: Equal
              rhs: {(DQ (${ VSub_Name RESULT))}
            )
          ]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: (C {(variable) (Lit_Other ':') (Lit_Other ':') (new)} {(String)} {(DQ (D))})
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:var_D)
              op: Equal
              rhs: {(DQ (${ VSub_Name RESULT))}
            )
          ]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (new)
              }
            )
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(lhs_expr.LhsName name:vCode) op:Equal rhs:{(${ VSub_Name RESULT)})]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (length)
              } {($ VSub_DollarName '$vCode')}
            )
          terminator: <Op_Semi ';'>
        )
        (C {(assert) (Lit_Other ':') (Lit_Other ':') (equals)} {(0)} {(DQ (${ VSub_Name RESULT))} 
          {(DQ ('length empty list'))}
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (prepend)
              } {(${ VSub_Name vCode)} {(${ VSub_Name var_A)}
            )
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:vCode_1)
              op: Equal
              rhs: {(DQ (${ VSub_Name RESULT))}
            )
          ]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (length)
              } {(${ VSub_Name vCode_1)}
            )
          terminator: <Op_Semi ';'>
        )
        (C {(assert) (Lit_Other ':') (Lit_Other ':') (equals)} {(1)} {(DQ (${ VSub_Name RESULT))} 
          {(DQ ('length after adding 1'))}
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (length)
              } {(${ VSub_Name vCode)}
            )
          terminator: <Op_Semi ';'>
        )
        (C {(assert) (Lit_Other ':') (Lit_Other ':') (equals)} {(0)} {(DQ (${ VSub_Name RESULT))} 
          {(DQ ('length after adding 1 - original list'))}
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (prepend)
              } {(${ VSub_Name vCode_1)} {(${ VSub_Name var_B)}
            )
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:vCode_2)
              op: Equal
              rhs: {(DQ (${ VSub_Name RESULT))}
            )
          ]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (length)
              } {(${ VSub_Name vCode_2)}
            )
          terminator: <Op_Semi ';'>
        )
        (C {(assert) (Lit_Other ':') (Lit_Other ':') (equals)} {(2)} {(DQ (${ VSub_Name RESULT))} 
          {(DQ ('length after adding 2'))}
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (length)
              } {(${ VSub_Name vCode_1)}
            )
          terminator: <Op_Semi ';'>
        )
        (C {(assert) (Lit_Other ':') (Lit_Other ':') (equals)} {(1)} {(DQ (${ VSub_Name RESULT))} 
          {(DQ ('length after adding 2 - middle list'))}
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (length)
              } {(${ VSub_Name vCode)}
            )
          terminator: <Op_Semi ';'>
        )
        (C {(assert) (Lit_Other ':') (Lit_Other ':') (equals)} {(0)} {(DQ (${ VSub_Name RESULT))} 
          {(DQ ('length after adding 1 - original list'))}
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (new)
              }
            )
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(lhs_expr.LhsName name:vCode) op:Equal rhs:{(${ VSub_Name RESULT)})]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (prepend)
              } {(${ VSub_Name vCode)} {(${ VSub_Name var_A)}
            )
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:vCode)
              op: Equal
              rhs: {(DQ (${ VSub_Name RESULT))}
            )
          ]
        )
      ]
    )
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (C 
              {(variable) (Lit_Other ':') (Lit_Other ':') (LinkedList) (Lit_Other ':') (Lit_Other ':') 
                (prepend)
              } {(${ VSub_Name vCode)} {(${ VSub_Name var_B)}
            )
          terminator: <Op_Semi ';'>
        )
        (command.Assignment
          keyword: Assign_None
          pairs: [
            (assign_pair
              lhs: (lhs_expr.LhsName name:vCode)
              op: Equal
              rhs: {(DQ (${ VSub_Name RESULT))}
            )
          ]
        )
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