MetaGrammar mg = (MetaGrammar)new MetaGrammar().walk(res);
//System.out.println(mg);
Union meta = mg.done();
SequenceInputStream sis = new SequenceInputStream(new FileInputStream(s[0]), new FileInputStream(s[1]));
MetaGrammar mg = (MetaGrammar)new MetaGrammar().walk(res);
//System.out.println(mg);
Union meta = mg.done();
SequenceInputStream sis = new SequenceInputStream(new FileInputStream(s[0]), new FileInputStream(s[1]));