public function addEvaluatedExpressions(array $expressions)
    {
        foreach ($expressions as $expression => $result) {
            try {
                $this->evaluatedExpressions[] = $this->addVariable($expression, $result);
            } catch (BufferFullException $e) {
                $this->evaluatedExpressions[] = $this->variableTable->bufferFullVariable();
            }
        }
    }