public function analyze()
{
$this->atomIs('For')->outIs('BLOCK')->atomInside(array('For', 'Foreach', 'While', 'Dowhile'))->back('first');
$this->prepareQuery();
$this->atomIs('Foreach')->outIs('BLOCK')->atomInside(array('For', 'Foreach', 'While', 'Dowhile'))->back('first');
$this->prepareQuery();
$this->atomIs('Dowhile')->outIs('BLOCK')->atomInside(array('For', 'Foreach', 'While', 'Dowhile'))->back('first');
$this->prepareQuery();
$this->atomIs('While')->outIs('BLOCK')->atomInside(array('For', 'Foreach', 'While', 'Dowhile'))->back('first');
$this->prepareQuery();
}