fix PathRoutingParser

Author: staabm

src/Parser/PathRoutingParser.php

@@ -4,38 +4,56 @@
 
 use PHPStan\File\FileHelper;
 use function array_fill_keys;
+use function array_map;
 use function array_slice;
 use function count;
 use function explode;
 use function implode;
 use function is_link;
 use function realpath;
 use function str_contains;
+use function strtolower;
 use const DIRECTORY_SEPARATOR;
+use const PHP_OS_FAMILY;
 
 final class PathRoutingParser implements Parser
 {
 
 	/** @var bool[] filePath(string) => bool(true) */
 	private array $analysedFiles = [];
 
+	private bool $caseInsensitiveFilesystem;
+
 	public function __construct(
 		private FileHelper $fileHelper,
 		private Parser $currentPhpVersionRichParser,
 		private Parser $currentPhpVersionSimpleParser,
 		private Parser $php8Parser,
 	)
 	{
+		$this->caseInsensitiveFilesystem = PHP_OS_FAMILY === 'Darwin';
 	}
 
 	/**
 	 * @param string[] $files
 	 */
 	public function setAnalysedFiles(array $files): void
 	{
+		if ($this->caseInsensitiveFilesystem) {
+			$files = array_map(static fn (string $file): string => strtolower($file), $files);
+		}
 		$this->analysedFiles = array_fill_keys($files, true);
 	}
 
+	private function isInAnalyzedFiles(string $file): bool
+	{
+		if ($this->caseInsensitiveFilesystem) {
+			$file = strtolower($file);
+		}
+
+		return isset($this->analysedFiles[$file]);
+	}
+
 	public function parseFile(string $file): array
 	{
 		$normalizedPath = $this->fileHelper->normalizePath($file, '/');
@@ -47,7 +65,7 @@ public function parseFile(string $file): array
 		}
 
 		$file = $this->fileHelper->normalizePath($file);
-		if (!isset($this->analysedFiles[$file])) {
+		if (!$this->isInAnalyzedFiles($file)) {
 			// check symlinked file that still might be in analysedFiles
 			$pathParts = explode(DIRECTORY_SEPARATOR, $file);
 			for ($i = count($pathParts); $i > 1; $i--) {
@@ -59,7 +77,7 @@ public function parseFile(string $file): array
 				$realFilePath = realpath($file);
 				if ($realFilePath !== false) {
 					$normalizedRealFilePath = $this->fileHelper->normalizePath($realFilePath);
-					if (isset($this->analysedFiles[$normalizedRealFilePath])) {
+					if ($this->isInAnalyzedFiles($normalizedRealFilePath)) {
 						return $this->currentPhpVersionRichParser->parseFile($file);
 					}
 				}