exfmt

defmodule Exfmt.SyntaxError do
  defexception [:message, :line]

  @type t :: %__MODULE__{__exception__: true,
                         line: non_neg_integer,
                         message: String.t}

  @spec exception({non_neg_integer, String.t, String.t}) :: t
  def exception({line, m1, m2}) do
    %__MODULE__{line: line, message: "Error: " <> m1 <> m2}
  end

  def exception(message, line) do
    %__MODULE__{line: line, message: "Error: " <> message}
  end
end