App\Node\BinaryOperator::accept()

Complexity

Conditions	7
Paths	7

Size

Total Lines	25
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function accept(Visitor $visitor)
    {
        /** @var int|float $leftValue */
        $leftValue = $visitor->visit($this->left);
        /** @var int|float $rightValue */
        $rightValue = $visitor->visit($this->right);
        switch ($this->operator->type) {
            case Token::PLUS:
                return $leftValue + $rightValue;
            case Token::MINUS;
                return $leftValue - $rightValue;
            case Token::MUL;
                return $leftValue * $rightValue;
            case Token::POWER:
                return $leftValue ** $rightValue;
            case Token::REALDIV;
                //not strict for int/float
                /** @noinspection TypeUnsafeComparisonInspection */
                if ($rightValue == 0) {
                    throw new DivisionByZeroException('Division be zero not allowed');
                }
                return $leftValue / $rightValue;
        }

        throw new VisitorException('Unknown operator for BinaryOperator');
    }
}