Exakat\Tasks\Load::processSingleOperator PHP Method

    private function processSingleOperator($atom, $finals, $link, $separator = '')
    {
        $current = $this->id;
        $operatorId = $this->addAtom($atom);
        $this->nestContext();
        // Do while, so that AT least one loop is done.
        do {
            $this->processNext();
        } while (!in_array($this->tokens[$this->id + 1][0], $finals));
        $this->exitContext();
        $operandId = $this->popExpression();
        $this->addLink($operatorId, $operandId, $link);
        $x = array('code' => $this->tokens[$current][1], 'fullcode' => $this->tokens[$current][1] . $separator . $this->atoms[$operandId]['fullcode'], 'line' => $this->tokens[$current][2], 'token' => $this->getToken($this->tokens[$current][0]));
        $this->setAtom($operatorId, $x);
        $this->pushExpression($operatorId);
        if (!$this->isContext(self::CONTEXT_NOSEQUENCE) && $this->tokens[$this->id + 1][0] === T_CLOSE_TAG) {
            $this->processSemicolon();
        }
        return $operatorId;
    }