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<?php |
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namespace PHPSA\Command; |
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use FilesystemIterator; |
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use PhpParser\ParserFactory; |
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use PHPSA\Application; |
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use PHPSA\Compiler; |
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use PHPSA\Context; |
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use PHPSA\Definition\FileParser; |
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use RecursiveDirectoryIterator; |
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use RecursiveIteratorIterator; |
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use SplFileInfo; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Webiny\Component\EventManager\EventManager; |
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/** |
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* Command to dump the analyzer documentation as markdown |
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*/ |
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class PrintCFGCommand extends Command |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function configure() |
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{ |
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$this |
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->setName('print-cfg') |
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->setDescription('Dumps Control Flow Graph') |
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->addArgument('path', InputArgument::OPTIONAL, 'Path to check file or directory', '.'); |
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; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$output->writeln(''); |
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if (extension_loaded('xdebug')) { |
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/** |
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* This will disable only showing stack traces on error conditions. |
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*/ |
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if (function_exists('xdebug_disable')) { |
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xdebug_disable(); |
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} |
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$output->writeln('<error>It is highly recommended to disable the XDebug extension before invoking this command.</error>'); |
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} |
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$parser = (new ParserFactory())->create(ParserFactory::PREFER_PHP7, new \PhpParser\Lexer\Emulative([ |
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'usedAttributes' => [ |
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'comments', |
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'startLine', |
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'endLine', |
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'startTokenPos', |
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'endTokenPos' |
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] |
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])); |
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/** @var Application $application */ |
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$application = $this->getApplication(); |
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$application->compiler = new Compiler(); |
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$em = EventManager::getInstance(); |
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$context = new Context($output, $application, $em); |
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$fileParser = new FileParser( |
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$parser, |
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$application->compiler |
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); |
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$path = $input->getArgument('path'); |
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if (is_dir($path)) { |
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$directoryIterator = new RecursiveIteratorIterator( |
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new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS) |
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); |
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$output->writeln('Scanning directory <info>' . $path . '</info>'); |
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$count = 0; |
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/** @var SplFileInfo $file */ |
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foreach ($directoryIterator as $file) { |
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if ($file->getExtension() !== 'php') { |
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continue; |
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} |
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$context->debug($file->getPathname()); |
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$count++; |
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} |
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$output->writeln("Found <info>{$count} files</info>"); |
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if ($count > 100) { |
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$output->writeln('<comment>Caution: You are trying to scan a lot of files; this might be slow. For bigger libraries, consider setting up a dedicated platform or using ci.lowl.io.</comment>'); |
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} |
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$output->writeln(''); |
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/** @var SplFileInfo $file */ |
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foreach ($directoryIterator as $file) { |
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if ($file->getExtension() !== 'php') { |
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continue; |
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} |
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$fileParser->parserFile($file->getPathname(), $context); |
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} |
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} elseif (is_file($path)) { |
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$fileParser->parserFile($path, $context); |
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} |
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/** |
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* Step 2 Recursive check ... |
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*/ |
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$application->compiler->compile($context); |
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$printer = new \PHPSA\ControlFlow\Printer\DebugText(); |
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$functions = $application->compiler->getFunctions(); |
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foreach ($functions as $function) { |
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$cfg = $function->getCFG(); |
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if ($cfg) { |
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$printer->printGraph($cfg->getRootNode()); |
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} |
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} |
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$output->writeln(''); |
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$output->writeln('Memory usage: ' . $this->getMemoryUsage(false) . ' (peak: ' . $this->getMemoryUsage(true) . ') MB'); |
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} |
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/** |
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* @param boolean $type |
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* @return float |
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*/ |
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protected function getMemoryUsage($type) |
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{ |
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return round(memory_get_usage($type) / 1024 / 1024, 2); |
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} |
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} |
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ovr /
phpsa
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Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum.