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|
----
-- Dummy AST Node.
--
-- Implements the `AST` interface.
--
-- @classmod Dummy
import RTNode from require 'alv.rtnode'
import Constant from require 'alv.result.const'
import Error from require 'alv.error'
class Dummy
--- members
-- @section members
--- the contained node.
--
-- @tfield RTNode node
--- AST interface
--
-- `Dummy` implements the `AST` interface.
-- @section ast
--- evaluate this Dummy.
--
-- returns `node`
-- @treturn RTNode `node`
eval: => @node
--- create a clone with its own identity.
--
-- returns a ref to `node`.
--
-- @tparam Tag parent
-- @treturn Cell
clone: => @
--- stringify this Dummy.
--
-- throws an error, `Dummy` nodes cannot be stringified.
stringify: => error Error 'implementation', "cannot stringify Dummy"
--- static functions
-- @section static
--- construct a new Dummy from a `RTNode`.
--
-- @classmethod
-- @tparam RTNode node
new: (@node) =>
--- construct a new Dummy from a plain value.
--
-- @tparam Type type
-- @tparam any value
-- @tparam string raw string
@literal: (...) -> @@ RTNode result: Constant ...
{
:Dummy
}
|
