module Regexp::Expression::Shared::ClassMethods

def token_class
  if self == Root || self < Sequence
    nil # no token class because these objects are Parser-generated
  # TODO: synch exp class, token class & type names for this in v3.0.0
  elsif self == CharacterType::Any
    Regexp::Syntax::Token::Meta
  else
    Regexp::Syntax::Token.const_get(name.split('::')[2])
  end
end