335     private static function _getLongestAlternateChain($args, $position, $tokDef, $stopAt=-1) {  argument
337         for ($lastFound = $position; $lastFound < count($args); $lastFound += 2) {
350     private static function _isMatchingAlternateChain($args, $position, $tokDefs) {  argument
352 …for ($lastFound = $position; $lastFound < count($args) && $tokDefIdx < count($tokDefs); $lastFound…
362     private static function _getWrappedSequence($args, $position, $tokDefs, $nested) {  argument
367         if ($args[$position]->definition() != $openTokDef) {
371         for ($i = $position + 1; $i < count($args); ++$i) {
374                     return $i - $position + 1;
383     private static function _extractAlternateChain($args, $position, $length) {  argument
385         for ($i = $position; $i < count($args) && count($retval) < $length; $i += 2) {
461     public function trySpliceAt(&$args, &$position) {  argument
464                 if ($args[$position]->definition() == $this->tokenDefs()[0]) {
465                     $position = self::_spliceNone($args, $position, $this);
471 …           $chainLength = self::_getLongestAlternateChain($args, $position, $this->tokenDefs()[0]);
473                         $position = self::_splicePrefix($args, $position, $chainLength, $this);
477 …$chainLength = self::_getLongestAlternateChain($args, $position, $this->tokenDefs()[0], $this->ari…
479                         $position = self::_splicePrefix($args, $position, $chainLength, $this);
482                 } else if (self::_isMatchingAlternateChain($args, $position, $this->tokenDefs())) {
483                     $position = self::_splicePrefix($args, $position, $this->arity(), $this);
489 …       $chainLength = self::_getLongestAlternateChain($args, $position + 1, $this->tokenDefs()[0]);
491                         $position = self::_splicePostfix($args, $position + 1, $chainLength, $this);
495 …$chainLength = self::_getLongestAlternateChain($args, $position + 1, $this->tokenDefs()[0], $this-…
497                         $position = self::_splicePostfix($args, $position + 1, $chainLength, $this);
500 …            } else if (self::_isMatchingAlternateChain($args, $position + 1, $this->tokenDefs())) {
501                     $position = self::_splicePostfix($args, $position + 1, $this->arity(), $this);
507 …       $chainLength = self::_getLongestAlternateChain($args, $position + 1, $this->tokenDefs()[0]);
509                         $position = self::_spliceInfix($args, $position + 1, $chainLength, $this);
513 …$chainLength = self::_getLongestAlternateChain($args, $position + 1, $this->tokenDefs()[0], $this-…
515                         $position = self::_spliceInfix($args, $position + 1, $chainLength, $this);
518 …            } else if (self::_isMatchingAlternateChain($args, $position + 1, $this->tokenDefs())) {
519                     $position = self::_spliceInfix($args, $position + 1, $this->arity() - 1, $this);
524 …$sequenceLength = self::_getWrappedSequence($args, $position, $this->tokenDefs(), $this->nested());
526                     $position = self::_spliceWrap($args, $position, $sequenceLength, $this);
529                     throw new UnmatchedWrapperException($this, $args[$position]);