public static LispLiteral LOAD(Context context, params LispLiteral[] args) { foreach (var file in args) { string filename = (file as StringLiteral).StringValue; if (File.Exists(filename)) { string source = File.ReadAllText(filename); BuildParser(); var r = Parser.Parse(source); if (r.IsError) { r.Errors.ForEach(e => Console.WriteLine(e.ErrorMessage)); return(null); } var x = LispInterpreter.Interprete(context, r.Result as LispProgram); return(x); } else { Console.WriteLine("file not found"); } } return(NilLiteral.Instance); }