protected function doLevelUnarys(&$result) { $op = $this->mCur->value; if ($this->mCur->type == AFPToken::TOp && ($op == "+" || $op == "-")) { $this->move(); $this->doLevelListElements($result); wfProfileIn(__METHOD__); if ($op == '-') { $result = AFPData::unaryMinus($result); } wfProfileOut(__METHOD__); } else { $this->doLevelListElements($result); } }