function yy_find_shift_action($iLookAhead) { $stateno = $this->yystack[$this->yyidx]->stateno; /* if ($this->yyidx < 0) return self::YY_NO_ACTION; */ if (!isset(self::$yy_shift_ofst[$stateno])) { // no shift actions return self::$yy_default[$stateno]; } $i = self::$yy_shift_ofst[$stateno]; if ($i === self::YY_SHIFT_USE_DFLT) { return self::$yy_default[$stateno]; } if ($iLookAhead == self::YYNOCODE) { return self::YY_NO_ACTION; } $i += $iLookAhead; if ($i < 0 || $i >= self::YY_SZ_ACTTAB || self::$yy_lookahead[$i] != $iLookAhead) { if (count(self::$yyFallback) && $iLookAhead < count(self::$yyFallback) && ($iFallback = self::$yyFallback[$iLookAhead]) != 0) { if (self::$yyTraceFILE) { fwrite(self::$yyTraceFILE, self::$yyTracePrompt . "FALLBACK " . self::$yyTokenName[$iLookAhead] . " => " . self::$yyTokenName[$iFallback] . "\n"); } return $this->yy_find_shift_action($iFallback); } return self::$yy_default[$stateno]; } else { return self::$yy_action[$i]; } }