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<?php |
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namespace Hal\Application; |
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use Hal\Application\Config\Config; |
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use Hal\Component\Ast\NodeTraverser; |
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use Hal\Component\Issue\Issuer; |
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use Hal\Metric\Class_\ClassEnumVisitor; |
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use Hal\Metric\Class_\Complexity\CyclomaticComplexityVisitor; |
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use Hal\Metric\Class_\Complexity\KanDefectVisitor; |
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use Hal\Metric\Class_\Component\MaintainabilityIndexVisitor; |
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use Hal\Metric\Class_\Coupling\ExternalsVisitor; |
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use Hal\Metric\Class_\Structural\LcomVisitor; |
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use Hal\Metric\Class_\Structural\SystemComplexityVisitor; |
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use Hal\Metric\Class_\Text\HalsteadVisitor; |
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use Hal\Metric\Class_\Text\LengthVisitor; |
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use Hal\Metric\Metrics; |
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use Hal\Metric\System\Changes\GitChanges; |
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use Hal\Metric\System\Coupling\Coupling; |
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use Hal\Metric\System\Coupling\PageRank; |
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use Hal\Metric\System\UnitTesting\UnitTesting; |
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use PhpParser\Error; |
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use PhpParser\ParserFactory; |
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use Symfony\Component\Console\Helper\ProgressBar; |
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use Symfony\Component\Console\Output\OutputInterface; |
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/** |
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* Class Analyze |
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* @package Hal\Application |
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*/ |
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class Analyze |
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{ |
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/** |
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* @var OutputInterface |
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*/ |
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private $output; |
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/** |
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* @var Config |
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*/ |
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private $config; |
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/** |
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* @var Issuer |
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*/ |
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private $issuer; |
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/** |
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* Analyze constructor. |
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* @param OutputInterface $output |
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*/ |
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public function __construct(Config $config, OutputInterface $output, Issuer $issuer) |
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{ |
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$this->output = $output; |
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$this->config = $config; |
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$this->issuer = $issuer; |
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} |
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/** |
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* Runs analyze |
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*/ |
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public function run($files) |
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{ |
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// config |
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ini_set('xdebug.max_nesting_level', 3000); |
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$metrics = new Metrics(); |
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// traverse all |
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$whenToStop = function() { |
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return true; |
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}; |
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// prepare parser |
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$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7); |
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$traverser = new NodeTraverser(false, $whenToStop); |
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$traverser->addVisitor(new \PhpParser\NodeVisitor\NameResolver()); |
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$traverser->addVisitor(new ClassEnumVisitor($metrics)); |
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$traverser->addVisitor(new CyclomaticComplexityVisitor($metrics)); |
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$traverser->addVisitor(new ExternalsVisitor($metrics)); |
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$traverser->addVisitor(new LcomVisitor($metrics)); |
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$traverser->addVisitor(new HalsteadVisitor($metrics)); |
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$traverser->addVisitor(new LengthVisitor($metrics)); |
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$traverser->addVisitor(new CyclomaticComplexityVisitor($metrics)); |
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$traverser->addVisitor(new MaintainabilityIndexVisitor($metrics)); |
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$traverser->addVisitor(new KanDefectVisitor($metrics)); |
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$traverser->addVisitor(new SystemComplexityVisitor($metrics)); |
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// create a new progress bar (50 units) |
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$progress = new ProgressBar($this->output, sizeof($files)); |
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$this->output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE); |
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$progress->start(); |
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foreach ($files as $file) { |
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$progress->advance(); |
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$code = file_get_contents($file); |
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$this->issuer->set('filename', $file); |
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try { |
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$stmts = $parser->parse($code); |
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$this->issuer->set('statements', $stmts); |
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$traverser->traverse($stmts); |
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} catch (Error $e) { |
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$this->output->writeln(sprintf('<error>Cannot parse %s</error>', $file)); |
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} |
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$this->issuer->clear('filename'); |
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$this->issuer->clear('statements'); |
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} |
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// |
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// System analyses |
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(new PageRank())->calculate($metrics); |
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(new Coupling())->calculate($metrics); |
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// |
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// File analyses |
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(new GitChanges($this->config, $files))->calculate($metrics); |
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// |
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// Unit test |
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(new UnitTesting($this->config, $files))->calculate($metrics); |
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$progress->finish(); |
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$progress->clear(); |
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return $metrics; |
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} |
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} |
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phpmetrics /
PhpMetrics
If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue.