QLLexer lexer = new QLLexer(in);
CommonTokenStream tokens = new CommonTokenStream(lexer);
for (Object token : tokens.getTokens()) {
System.out.println((Token)token);
}
QLParser parser = new QLParser(tokens);
CommonTree tree = (CommonTree) parser.select_query().getTree();
System.out.println();
System.out.println(src);
System.out.println();
}