public MetaGrammar grammar(Object[] o) { return this; }
public Object walk(Tree<String> tree) {
- if ("grammar".equals(tree.head())) { for(Tree<String> t : tree.children()) walk(t); return done("s"); }
- //if ("grammar".equals(tree.head())) return done("s");
+ if ("grammar".equals(tree.head())) { walkChildren(tree); return done("s"); }
else return super.walk(tree);
}
- /*
- public Object walk(String head, Object[] args) {
- if ("grammar".equals(head)) return done("s");
- else return super.walk(head, args);
- }
- */
}
private static String pad(int i,String s) { return s.length() >= i ? s : pad(i-1,s)+" "; }