----
-- AST Node Interface.
--
-- implemented by `Constant` and `Cell`.
--
-- @classmod AST

--- members
-- @section members

  --- evaluate this AST Node.
  --
  -- Evaluate this node and return a `RTNode`.
  --
  -- @function eval
  -- @tparam Scope scope the scope to evaluate in
  -- @treturn RTNode the evaluation result

  --- create a clone with its own identity.
  --
  -- creates a clone of this Cell with its own identity by prepending a `parent`
  -- Tag (and cloning all child expressions recursively).
  --
  -- @function clone
  -- @tparam Tag parent
  -- @treturn AST

  --- stringify this AST Node.
  --
  -- Should return the exact string this node was parsed from (if it was parsed).
  --
  -- @function stringify
  -- @treturn string the exact string this Node was parsed from

import Cell, RootCell, ArrayCell, StructCell, TemplateString from require 'alv.cell'
import Constant from require 'alv.result.const'
import Dummy from require 'alv.dummy'
import Tag from require 'alv.tag'

{
  :Cell
  :RootCell
  :ArrayCell
  :StructCell
  :TemplateString
  :Constant
  :Dummy
  :Tag
}