getAltsFromConfigs static method

BitSet getAltsFromConfigs(
  1. ATNConfigSet configs
)

Get union of all alts from configs.

@since 4.5.1

Implementation

static BitSet getAltsFromConfigs(ATNConfigSet configs) {
  final alts = BitSet();
  for (var config in configs) {
    alts.set(config.alt);
  }
  return alts;
}