/**
* collect method calls
*
* @param PHPParser_Node_Stmt $stmt
* @return int Number of called methods
*/
protected function _collectMethodCalls($stmt, $xmlTree)
{
$numberOfMethodCalls = 0;
$methodCallXPath = '//node:Expr_MethodCall | //node:Expr_StaticCall';
$methodCalls = $xmlTree->xpath($methodCallXPath);
foreach ($methodCalls as $call) {
$methodName = $call->xpath('./subNode:name/scalar:string/text()');
if (false === $methodName) {
continue;
}
$methodName = current($methodName);
if (is_array($methodName)) {
$methodName = current($methodName);
}
$variable = current($call->xpath('./subNode:var | ./subNode:class'));
$object = $this->_getResultType($variable);
if (false == $object) {
continue;
}
if ($this->_isPhpMethod($object, $methodName)) {
continue;
}
if ($this->_isCallabilityChecked($call, $object, $methodName)) {
Logger::addComment($this->_extensionPath, 'MageCompatibility', sprintf('<info>Found version switch</info> for %s::%s', $object, $methodName));
continue;
}
if (false == $this->_isExtensionMethod($object, $methodName)) {
$method = new Method((string) $methodName, $this->_getArgs($call), array('class' => $object));
++$numberOfMethodCalls;
$this->_usedMethods->add($method);
}
}
return $numberOfMethodCalls;
}
