private static String nameHint(Collection<LookaheadPredicate> predicates) {
StringBuilder sb = new StringBuilder("lookahead");
for (LookaheadPredicate p : predicates) {
sb.append('_');
if (p.isNegated()) {
sb.append("not");
}
sb.append(p.getInput().getTarget().getNameText());
}
return sb.toString();
}
@Override
public String asString() {
StringBuilder sb = new StringBuilder();
for (LookaheadPredicate p : predicates) {
if (sb.length() > 0) {
sb.append(" & ");
}
if (p.isNegated()) {
sb.append("!");
}
sb.append(p.getInput().getTarget().getNameText());
}
return sb.toString();
}