in lib/parser.dart [685:700]
String toString() {
var buff = StringBuffer();
for (var i = 0; i < index; i++) {
buff.write(_internal[i]);
}
buff.write('[31m');
try {
buff.write(current);
} on RangeError catch (_) {}
buff.write('[0m');
for (var i = index + 1; i < _internal.length; i++) {
buff.write(_internal[i]);
}
buff.write(' ($index)');
return buff.toString();
}