/**
* 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;
}
/**
* Visits a switch label.
*
* @param PHP_Depend_Code_ASTNodeI $node The currently visited node.
* @param array(string=>integer) $data The previously calculated ccn values.
*
* @return array(string=>integer)
* @since 0.9.8
*/
public function visitSwitchLabel($node, $data)
{
if (!$node->isDefault()) {
++$data[self::M_CYCLOMATIC_COMPLEXITY_1];
++$data[self::M_CYCLOMATIC_COMPLEXITY_2];
}
return $this->visit($node, $data);
}
/**
* This method adds a new child node to this node instance.
*
* @param PHP_Depend_Code_ASTNodeI $node The new child node.
*
* @return void
*/
public function addChild(PHP_Depend_Code_ASTNodeI $node)
{
// Store child node
$this->nodes[] = $node;
// Set this as parent
$node->setParent($this);
}
/**
* This method adds a new child node to this node instance.
*
* @param PHP_Depend_Code_ASTNodeI $node The new child node.
*
* @return void
*/
public function addChild(PHP_Depend_Code_ASTNodeI $node)
{
$this->nodes[] = $node;
$node->setParent($this);
}
