private String debugHiddenTokens(antlr.CommonHiddenStreamToken t) {
final StringBuilder sb = new StringBuilder();
for (; t != null; t = filter.getHiddenAfter(t)) {
if (sb.length() == 0) {
sb.append("[");
}
sb.append(t.getText().replace("\n", "\\n"));
}
if (sb.length() > 0) {
sb.append("]");
}
return sb.toString();
}
CommonHiddenStreamToken getHiddenAfter(final CommonHiddenStreamToken t) {
return filter.getHiddenAfter(t);
}