CodeTree::makeCodeTree

protected function makeCodeTree(array $updaterSteps, &$result)
{
	foreach ($updaterSteps as $i => $statement)
	{
		if (empty($statement->conditions))
		{
			$result[] = $statement->formatBodyLines(0);
			unset($updaterSteps[$i]);
		}
	}

	while ($updaterSteps)
	{
		$byPredicates = array();
		foreach ($updaterSteps as $i => $statement)
		{
			/**
			* @var Condition $condition
			*/
			foreach ($statement->conditions as $condition)
			{
				$predicate = $condition->getPredicate();
				if (!isset($byPredicates[$predicate]))
				{
					$byPredicates[$predicate] = array(
						"predicate" => $predicate,
						"dep" => $statement->dependOn,
						"sort" => $this->getPredicateSort($predicate),
						"count" => 1,
					);
				}
				else
				{
					$byPredicates[$predicate]["count"]++;
				}
			}
		}

		if ($byPredicates)
		{
			sortByColumn($byPredicates, array(
				"dep" => SORT_ASC,
				"count" => SORT_DESC,
				"sort" => SORT_ASC,
			));
			$mostPopular = key($byPredicates);
			$subSteps = array();
			$ifStatement = array(
				"if" => array($mostPopular),
				"body" => array(),
			);
			foreach ($updaterSteps as $i => $statement)
			{
				foreach ($statement->conditions as $j => $condition)
				{
					if ($condition->getPredicate() == $mostPopular)
					{
						unset($statement->conditions[$j]);
						$subSteps[] = $statement;
						unset($updaterSteps[$i]);
					}
				}
			}
			$this->makeCodeTree($subSteps, $ifStatement["body"]);
			if (
				is_array($ifStatement["body"])
				&& count($ifStatement["body"]) == 1
				&& is_array($ifStatement["body"][0])
				&& isset($ifStatement["body"][0]["if"])
				&& isset($ifStatement["body"][0]["body"])
				&& mb_strlen(implode(' && ', array_merge($ifStatement["if"], $ifStatement["body"][0]["if"]))) < 100
			)
			{
				$ifStatement["if"] = array_merge($ifStatement["if"], $ifStatement["body"][0]["if"]);
				$ifStatement["body"] = $ifStatement["body"][0]["body"];
			}
			$result[] = $ifStatement;
		}
	}
}