mirror of
https://github.com/danog/psalm.git
synced 2024-12-15 02:47:02 +01:00
468 lines
13 KiB
PHP
468 lines
13 KiB
PHP
<?php
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namespace Psalm\Checker;
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use Psalm\Config;
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use Psalm\Exception;
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use Psalm\IssueBuffer;
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use RecursiveDirectoryIterator;
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use RecursiveIteratorIterator;
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class ProjectChecker
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{
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/**
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* Cached config
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*
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* @var Config|null
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*/
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protected $config;
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/**
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* @var self
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*/
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public static $instance;
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/**
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* Whether or not to use colors in error output
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*
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* @var boolean
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*/
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public $use_color;
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/**
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* Whether or not to show informational messages
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*
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* @var boolean
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*/
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public $show_info;
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/**
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* @var string
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*/
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public $output_format;
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/**
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* @var array<string, string>
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*/
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public $fake_files = [];
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const TYPE_CONSOLE = 'console';
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const TYPE_JSON = 'json';
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/**
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* @param boolean $use_color
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* @param boolean $show_info
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* @param string $output_format
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*/
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public function __construct($use_color = true, $show_info = true, $output_format = self::TYPE_CONSOLE)
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{
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$this->use_color = $use_color;
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$this->show_info = $show_info;
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if (!in_array($output_format, [self::TYPE_CONSOLE, self::TYPE_JSON])) {
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throw new \UnexpectedValueException('Unrecognised output format ' . $output_format);
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}
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$this->output_format = $output_format;
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self::$instance = $this;
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}
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/**
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* @return self
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*/
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public static function getInstance()
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{
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return self::$instance;
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}
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/**
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* @param boolean $debug
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* @param boolean $is_diff
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* @param boolean $update_docblocks
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* @return void
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*/
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public function check($debug = false, $is_diff = false, $update_docblocks = false)
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{
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$cwd = getcwd();
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$start_checks = (int)microtime(true);
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if (!$cwd) {
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throw new \InvalidArgumentException('Cannot work with empty cwd');
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}
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if (!$this->config) {
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$this->config = self::getConfigForPath($cwd);
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}
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$diff_files = null;
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$deleted_files = null;
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if ($is_diff && FileChecker::loadReferenceCache() && FileChecker::canDiffFiles()) {
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$deleted_files = FileChecker::getDeletedReferencedFiles();
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$diff_files = $deleted_files;
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foreach ($this->config->getIncludeDirs() as $dir_name) {
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$diff_files = array_merge($diff_files, self::getDiffFilesInDir($dir_name, $this->config));
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}
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}
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$files_checked = [];
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if ($diff_files === null || $deleted_files === null || count($diff_files) > 200) {
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foreach ($this->config->getIncludeDirs() as $dir_name) {
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$this->checkDirWithConfig($dir_name, $this->config, $debug, $update_docblocks);
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}
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} else {
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if ($debug) {
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echo count($diff_files) . ' changed files' . PHP_EOL;
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}
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$file_list = self::getReferencedFilesFromDiff($diff_files);
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// strip out deleted files
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$file_list = array_diff($file_list, $deleted_files);
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$this->checkDiffFilesWithConfig($this->config, $debug, $file_list);
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}
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$removed_parser_files = FileChecker::deleteOldParserCaches(
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$is_diff ? FileChecker::getLastGoodRun() : $start_checks
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);
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if ($debug && $removed_parser_files) {
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echo 'Removed ' . $removed_parser_files . ' old parser caches' . PHP_EOL;
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}
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if ($is_diff) {
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FileChecker::touchParserCaches($this->getAllFiles($this->config), $start_checks);
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}
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IssueBuffer::finish(true, (int)$start_checks);
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}
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/**
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* @param string $dir_name
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* @param boolean $debug
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* @param boolean $update_docblocks
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* @return void
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*/
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public function checkDir($dir_name, $debug = false, $update_docblocks = false)
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{
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if (!$this->config) {
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$this->config = self::getConfigForPath($dir_name);
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$this->config->hide_external_errors = $this->config->isInProjectDirs(
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$this->config->shortenFileName($dir_name)
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);
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}
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FileChecker::loadReferenceCache();
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$this->checkDirWithConfig($dir_name, $this->config, $debug, $update_docblocks);
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IssueBuffer::finish();
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}
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/**
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* @param string $dir_name
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* @param Config $config
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* @param bool $debug
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* @param bool $update_docblocks
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* @return void
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*/
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protected function checkDirWithConfig($dir_name, Config $config, $debug, $update_docblocks)
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{
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$file_extensions = $config->getFileExtensions();
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$filetype_handlers = $config->getFiletypeHandlers();
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/** @var RecursiveDirectoryIterator */
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$iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir_name));
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$iterator->rewind();
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while ($iterator->valid()) {
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if (!$iterator->isDot()) {
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$extension = $iterator->getExtension();
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if (in_array($extension, $file_extensions)) {
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$file_name = (string)$iterator->getRealPath();
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if ($debug) {
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echo 'Checking ' . $file_name . PHP_EOL;
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}
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if (isset($filetype_handlers[$extension])) {
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/** @var FileChecker */
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$file_checker = new $filetype_handlers[$extension]($file_name);
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} else {
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$file_checker = new FileChecker($file_name);
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}
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$file_checker->check(true, true, null, true, $update_docblocks);
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}
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}
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$iterator->next();
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}
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}
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/**
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* @param Config $config
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* @return array<int, string>
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*/
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protected function getAllFiles(Config $config)
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{
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$file_extensions = $config->getFileExtensions();
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$file_names = [];
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foreach ($config->getIncludeDirs() as $dir_name) {
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/** @var RecursiveDirectoryIterator */
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$iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir_name));
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$iterator->rewind();
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while ($iterator->valid()) {
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if (!$iterator->isDot()) {
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$extension = $iterator->getExtension();
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if (in_array($extension, $file_extensions)) {
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$file_names[] = (string)$iterator->getRealPath();
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}
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}
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$iterator->next();
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}
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}
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return $file_names;
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}
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/**
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* @param string $dir_name
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* @param Config $config
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* @return array<string>
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*/
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protected static function getDiffFilesInDir($dir_name, Config $config)
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{
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$file_extensions = $config->getFileExtensions();
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$filetype_handlers = $config->getFiletypeHandlers();
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/** @var RecursiveDirectoryIterator */
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$iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir_name));
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$iterator->rewind();
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$diff_files = [];
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while ($iterator->valid()) {
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if (!$iterator->isDot()) {
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$extension = $iterator->getExtension();
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if (in_array($extension, $file_extensions)) {
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$file_name = (string)$iterator->getRealPath();
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if (FileChecker::hasFileChanged($file_name)) {
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$diff_files[] = $file_name;
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}
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}
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}
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$iterator->next();
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}
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return $diff_files;
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}
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/**
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* @param Config $config
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* @param bool $debug
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* @param array<string> $file_list
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* @return void
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*/
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protected function checkDiffFilesWithConfig(Config $config, $debug, array $file_list = [])
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{
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$file_extensions = $config->getFileExtensions();
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$filetype_handlers = $config->getFiletypeHandlers();
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foreach ($file_list as $file_name) {
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if (!file_exists($file_name)) {
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continue;
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}
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if (!$config->isInProjectDirs(
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preg_replace('/^' . preg_quote($config->getBaseDir(), '/') . '/', '', $file_name)
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)) {
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if ($debug) {
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echo('skipping ' . $file_name . PHP_EOL);
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}
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continue;
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}
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$extension = pathinfo($file_name, PATHINFO_EXTENSION);
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if ($debug) {
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echo 'Checking affected file ' . $file_name . PHP_EOL;
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}
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if (isset($filetype_handlers[$extension])) {
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/** @var FileChecker */
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$file_checker = new $filetype_handlers[$extension]($file_name);
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} else {
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$file_checker = new FileChecker($file_name);
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}
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$file_checker->check(true);
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}
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}
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/**
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* @param string $file_name
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* @param bool $debug
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* @param bool $update_docblocks
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* @return void
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*/
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public function checkFile($file_name, $debug = false, $update_docblocks = false)
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{
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if ($debug) {
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echo 'Checking ' . $file_name . PHP_EOL;
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}
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if (!$this->config) {
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$this->config = self::getConfigForPath($file_name);
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}
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$this->config->hide_external_errors = $this->config->isInProjectDirs(
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$this->config->shortenFileName($file_name)
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);
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$file_name_parts = explode('.', $file_name);
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$extension = array_pop($file_name_parts);
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$filetype_handlers = $this->config->getFiletypeHandlers();
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FileChecker::loadReferenceCache();
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if (isset($filetype_handlers[$extension])) {
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/** @var FileChecker */
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$file_checker = new $filetype_handlers[$extension]($file_name);
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} else {
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$file_checker = new FileChecker($file_name);
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}
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$file_checker->check(true, true, null, true, $update_docblocks);
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IssueBuffer::finish();
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}
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/**
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* Gets a Config object from an XML file.
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*
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* Searches up a folder hierarchy for the most immediate config.
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*
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* @param string $path
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* @return Config
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* @throws Exception\ConfigException If a config path is not found.
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*/
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protected static function getConfigForPath($path)
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{
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$dir_path = realpath($path) . '/';
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if (!is_dir($dir_path)) {
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$dir_path = dirname($dir_path) . '/';
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}
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$config = null;
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do {
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$maybe_path = $dir_path . Config::DEFAULT_FILE_NAME;
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if (file_exists($maybe_path)) {
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$config = Config::loadFromXML($maybe_path);
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if ($config->autoloader) {
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require_once($dir_path . $config->autoloader);
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}
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$config->collectPredefinedConstants();
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break;
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}
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$dir_path = preg_replace('/[^\/]+\/$/', '', $dir_path);
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} while ($dir_path !== '/');
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if (!$config) {
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throw new Exception\ConfigException('Config not found for path ' . $path);
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}
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return $config;
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}
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/**
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* @param string $path_to_config
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* @return void
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* @throws Exception\ConfigException If a config file is not found in the given location.
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*/
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public function setConfigXML($path_to_config)
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{
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if (!file_exists($path_to_config)) {
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throw new Exception\ConfigException('Config not found at location ' . $path_to_config);
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}
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$dir_path = dirname($path_to_config) . '/';
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$this->config = Config::loadFromXML($path_to_config);
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if ($this->config->autoloader) {
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require_once($dir_path . $this->config->autoloader);
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}
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$this->config->collectPredefinedConstants();
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}
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/**
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* @param array<string> $diff_files
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* @return array<string>
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*/
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public static function getReferencedFilesFromDiff(array $diff_files)
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{
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$all_inherited_files_to_check = $diff_files;
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while ($diff_files) {
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$diff_file = array_shift($diff_files);
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$dependent_files = FileChecker::getFilesInheritingFromFile($diff_file);
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$new_dependent_files = array_diff($dependent_files, $all_inherited_files_to_check);
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$all_inherited_files_to_check += $new_dependent_files;
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$diff_files += $new_dependent_files;
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}
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$all_files_to_check = $all_inherited_files_to_check;
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foreach ($all_inherited_files_to_check as $file_name) {
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$dependent_files = FileChecker::getFilesReferencingFile($file_name);
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$all_files_to_check = array_merge($dependent_files, $all_files_to_check);
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}
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return array_unique($all_files_to_check);
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}
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/**
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* @param string $file_path
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* @param string $file_contents
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* @return void
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*/
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public function registerFile($file_path, $file_contents)
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{
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$this->fake_files[$file_path] = $file_contents;
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}
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/**
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* @param string $file_path
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* @return string
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*/
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public function getFileContents($file_path)
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{
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if (isset($this->fake_files[$file_path])) {
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return $this->fake_files[$file_path];
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}
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return (string)file_get_contents($file_path);
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}
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}
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