: new InputStreamReader(new FileInputStream(args[0]));
Lexer lexer = builder.getLexer();
lexer.setInput(in);
lexer.setDebug(true);
Syntax parserSyntax = builder.getParserSyntax();
ParserTables parserTables = new LALRParserTables(parserSyntax);
Parser parser = new Parser(parserTables);
boolean ok = parser.parse(lexer);
if (ok == false)
throw new Exception("Failed parsing syntax specification text!");
else