computeStartState method
Implementation
ATNConfigSet computeStartState(ATNState p, RuleContext ctx, bool fullCtx) {
// always at least the implicit call to start rule
final initialContext = PredictionContext.fromRuleContext(atn, ctx);
final configs = ATNConfigSet(fullCtx);
for (var i = 0; i < p.numberOfTransitions; i++) {
final target = p.transition(i).target;
final c = ATNConfig(target, i + 1, initialContext);
final closureBusy = <ATNConfig>{};
closure(c, configs, closureBusy, true, fullCtx, false);
}
return configs;
}