1073         foreach ($configs->elements() as $config) {
1074             if ($config->state instanceof RuleStopState) {
1075                 $result->add($config, $this->mergeCache);
1080             if ($lookToEndOfRule && $config->state->onlyHasEpsilonTransitions()) {
1081                 $nextTokens = $this->atn->nextTokens($config->state);
1084                     $endOfRuleState = $this->atn->ruleToStopState[$config->state->ruleIndex];
1085                     $result->add(new ATNConfig($config, $endOfRuleState), $this->mergeCache);
1253         foreach ($configs->elements() as $config) {
1255             if ($config->alt !== 1) {
1260                 $config->semanticContext->evalPrecedence($this->parser, $this->outerContext) :
1267             $statesFromAlt1[$config->state->stateNumber] = $config->context;
1269             if (!$updatedContext->equals($config->semanticContext)) {
1271                     new ATNConfig($config, null, null, $updatedContext),
1275                 $configSet->add($config, $this->mergeCache);
1279         foreach ($configs->elements() as $config) {
1280             if ($config->alt === 1) {
1288             if (!$config->isPrecedenceFilterSuppressed()) {
1289                 $context = $statesFromAlt1[$config->state->stateNumber] ?? null;
1291 …        if ($context !== null && $config->context !== null && $context->equals($config->context)) {
1296             $configSet->add($config, $this->mergeCache);
1591         ATNConfig $config,  argument
1601             $config,
1616         ATNConfig $config,  argument
1625             $this->log[] = \sprintf('closure(%s)', $config->toString(true));
1627             if ($config->reachesIntoOuterContext > 50) {
1632         if ($config->state instanceof RuleStopState) {
1635             if ($config->context !== null && !$config->context->isEmpty()) {
1636                 for ($i =0; $i < $config->context->getLength(); $i++) {
1637 …              if ($config->context->getReturnState($i) === PredictionContext::EMPTY_RETURN_STATE) {
1640 …                    new ATNConfig($config, $config->state, PredictionContext::empty(), null, null),
1648                                     $this->getRuleName($config->state->ruleIndex)
1653                                 $config,
1666                     $returnState = $this->atn->states[$config->context->getReturnState($i)];
1667                     $newContext = $config->context->getParent($i);// "pop" return state
1669 …       $c = new ATNConfig(null, $returnState, $newContext, $config->semanticContext, $config->alt);
1678                     $c->reachesIntoOuterContext = $config->reachesIntoOuterContext;
1694                 $configs->add($config, $this->mergeCache);
1700 …    $this->log[] = \sprintf('FALLING off rule %s.', $this->getRuleName($config->state->ruleIndex));
1705 …$this->closure_($config, $configs, $closureBusy, $collectPredicates, $fullCtx, $depth, $treatEofAs…
1712         ATNConfig $config,  argument
1720         $p = $config->state;
1727             $configs->add($config, $this->mergeCache);
1731             if ($i === 0 && $this->canDropLoopEntryEdgeInLeftRecursiveRule($config)) {
1736 …$c = $this->getEpsilonTarget($config, $t, $continueCollecting, $depth === 0, $fullCtx, $treatEofAs…
1741                 if ($config->state instanceof RuleStopState) {
1893     protected function canDropLoopEntryEdgeInLeftRecursiveRule(ATNConfig $config) : bool  argument
1895         $p = $config->state;
1904         if ($config->context === null) {
1910             || $config->context->isEmpty()
1911             || $config->context->hasEmptyPath()) {
1916         $numCtxs = $config->context->getLength();
1920             $returnState = $this->atn->states[$config->context->getReturnState($i)];
1945             $returnStateNumber = $config->context->getReturnState($i);
1999         ATNConfig $config,  argument
2012                 return $this->ruleTransition($config, $t);
2019 …         return $this->precedenceTransition($config, $t, $collectPredicates, $inContext, $fullCtx);
2026                 return $this->predTransition($config, $t, $collectPredicates, $inContext, $fullCtx);
2033                 return $this->actionTransition($config, $t);
2036                 return new ATNConfig($config, $t->target);
2045                         return new ATNConfig($config, $t->target);
2056     protected function actionTransition(ATNConfig $config, ActionTransition $t) : ATNConfig  argument
2062         return new ATNConfig($config, $t->target);
2066         ATNConfig $config,  argument
2108                     $c = new ATNConfig($config, $pt->target);// no pred context
2111 …           $newSemCtx = SemanticContext::andContext($config->semanticContext, $pt->getPredicate());
2112                 $c = new ATNConfig($config, $pt->target, null, $newSemCtx);
2115             $c = new ATNConfig($config, $pt->target);
2124         ATNConfig $config,  argument
2167                     $c = new ATNConfig($config, $pt->target);// no pred context
2170 …           $newSemCtx = SemanticContext::andContext($config->semanticContext, $pt->getPredicate());
2171                 $c = new ATNConfig($config, $pt->target, null, $newSemCtx);
2174             $c = new ATNConfig($config, $pt->target);
2184     protected function ruleTransition(ATNConfig $config, RuleTransition $t) : ATNConfig  argument
2190                 $config->context
2195 …     $newContext = SingletonPredictionContext::create($config->context, $returnState->stateNumber);
2197         return new ATNConfig($config, $t->target, $newContext);