class Opal::Parser

def new_var_ref(ref) 

def new_var_ref(ref)
  case ref.type
  when :self, :nil, :true, :false, :line, :file
    ref
  when :const
    ref
  when :ivar, :gvar, :cvar
    ref
  when :int
    # this is when we passed __LINE__ which is converted into :int
    ref
  when :str
    # returns for __FILE__ as it is converted into str
    ref
  when :identifier
    result = if scope.has_local? ref[1]
              s(:lvar, ref[1])
            else
              s(:call, nil, ref[1], s(:arglist))
            end
    result.source = ref.source
    result
  else
    raise "Bad var_ref type: #{ref.type}"
  end
end