/**
* Calculates the expression sum of the given node.
*
* @param PHP_Depend_Code_ASTNodeI $node The currently visited node.
*
* @return string
* @since 0.9.12
* @todo I don't like this method implementation, it should be possible to
* implement this method with more visitor behavior for the boolean
* and logical expressions.
*/
public function sumComplexity($node)
{
$sum = '0';
if ($node instanceof PHP_Depend_Code_ASTConditionalExpression) {
$sum = PHP_Depend_Util_MathUtil::add($sum, $node->accept($this, 1));
} else {
if ($node instanceof PHP_Depend_Code_ASTBooleanAndExpression || $node instanceof PHP_Depend_Code_ASTBooleanOrExpression || $node instanceof PHP_Depend_Code_ASTLogicalAndExpression || $node instanceof PHP_Depend_Code_ASTLogicalOrExpression || $node instanceof PHP_Depend_Code_ASTLogicalXorExpression) {
$sum = PHP_Depend_Util_MathUtil::add($sum, '1');
} else {
foreach ($node->getChildren() as $child) {
$expr = $this->sumComplexity($child);
$sum = PHP_Depend_Util_MathUtil::add($sum, $expr);
}
}
}
return $sum;
}
