private RutaModule loadScriptIS(String scriptLocation, TypeSystemDescription localTSD)
throws IOException, RecognitionException {
InputStream scriptInputStream = getClass().getClassLoader().getResourceAsStream(scriptLocation);
CharStream st = new ANTLRInputStream(scriptInputStream, scriptEncoding);
RutaLexer lexer = new RutaLexer(st);
CommonTokenStream tokens = new CommonTokenStream(lexer);
RutaParser parser = new RutaParser(tokens);
parser.setLocalTSD(localTSD);
parser.setExternalFactory(factory);
parser.setResourcePaths(resourcePaths);