Fix static reflection issues with custom autoloaders

Author: ondrejmirtes

Diff for: composer.json

@@ -84,7 +84,7 @@
 				"src/"
 			]
 		},
-		"files": ["src/dumpType.php","src/Testing/functions.php"]
+		"files": ["src/dumpType.php", "src/autoloadFunctions.php", "src/Testing/functions.php"]
 	},
 	"autoload-dev": {
 		"psr-4": {

Diff for: src/Command/CommandHelper.php

@@ -51,6 +51,7 @@
 use function is_string;
 use function mkdir;
 use function register_shutdown_function;
+use function spl_autoload_functions;
 use function sprintf;
 use function str_ends_with;
 use function str_repeat;
@@ -289,6 +290,8 @@ public static function begin(
 			$createDir($tmpDir);
 		}
 
+		$autoloadFunctionsBefore = spl_autoload_functions();
+
 		try {
 			$container = $containerFactory->create($tmpDir, $additionalConfigFiles, $paths, $composerAutoloaderProjectPaths, $analysedPathsFromConfig, $level ?? self::DEFAULT_LEVEL, $generateBaselineFile, $autoloadFile, $singleReflectionFile, $singleReflectionInsteadOfFile);
 		} catch (InvalidConfigurationException | AssertionException $e) {
@@ -371,6 +374,23 @@ public static function begin(
 		foreach ($container->getParameter('bootstrapFiles') as $bootstrapFileFromArray) {
 			self::executeBootstrapFile($bootstrapFileFromArray, $container, $errorOutput, $debugEnabled);
 		}
+		$autoloadFunctionsAfter = spl_autoload_functions();
+
+		$newAutoloadFunctions = [];
+		if ($autoloadFunctionsBefore !== false && $autoloadFunctionsAfter !== false) {
+			$newAutoloadFunctions = [];
+			foreach ($autoloadFunctionsAfter as $after) {
+				foreach ($autoloadFunctionsBefore as $before) {
+					if ($after === $before) {
+						continue 2;
+					}
+				}
+
+				$newAutoloadFunctions[] = $after;
+			}
+
+			$GLOBALS['__phpstanAutoloadFunctions'] = $newAutoloadFunctions;
+		}
 
 		if (PHP_VERSION_ID >= 80000) {
 			require_once __DIR__ . '/../../stubs/runtime/Enum/UnitEnum.php';

Diff for: src/Reflection/BetterReflection/BetterReflectionSourceLocatorFactory.php

@@ -13,6 +13,7 @@
 use PHPStan\BetterReflection\SourceLocator\Type\MemoizingSourceLocator;
 use PHPStan\BetterReflection\SourceLocator\Type\PhpInternalSourceLocator;
 use PHPStan\BetterReflection\SourceLocator\Type\SourceLocator;
+use PHPStan\Reflection\BetterReflection\SourceLocator\AutoloadFunctionsSourceLocator;
 use PHPStan\Reflection\BetterReflection\SourceLocator\AutoloadSourceLocator;
 use PHPStan\Reflection\BetterReflection\SourceLocator\ComposerJsonAndInstalledJsonSourceLocatorMaker;
 use PHPStan\Reflection\BetterReflection\SourceLocator\OptimizedDirectorySourceLocatorRepository;
@@ -65,6 +66,8 @@ public function create(): SourceLocator
 			$locators[] = $this->optimizedSingleFileSourceLocatorRepository->getOrCreate($this->singleReflectionFile);
 		}
 
+		$locators[] = new AutoloadFunctionsSourceLocator();
+
 		$analysedDirectories = [];
 		$analysedFiles = [];
 

Diff for: src/Reflection/BetterReflection/SourceLocator/AutoloadFunctionsSourceLocator.php

@@ -0,0 +1,34 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Reflection\BetterReflection\SourceLocator;
+
+use PHPStan\BetterReflection\Identifier\Identifier;
+use PHPStan\BetterReflection\Identifier\IdentifierType;
+use PHPStan\BetterReflection\Reflection\Reflection;
+use PHPStan\BetterReflection\Reflector\Reflector;
+use PHPStan\BetterReflection\SourceLocator\Type\SourceLocator;
+use function PHPStan\autoloadFunctions;
+
+class AutoloadFunctionsSourceLocator implements SourceLocator
+{
+
+	public function locateIdentifier(Reflector $reflector, Identifier $identifier): ?Reflection
+	{
+		if (!$identifier->isClass()) {
+			return null;
+		}
+
+		$autoloadFunctions = autoloadFunctions();
+		foreach ($autoloadFunctions as $autoloadFunction) {
+			$autoloadFunction($identifier->getName());
+		}
+
+		return null;
+	}
+
+	public function locateIdentifiersByType(Reflector $reflector, IdentifierType $identifierType): array
+	{
+		return [];
+	}
+
+}

Diff for: src/autoloadFunctions.php

@@ -0,0 +1,11 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan;
+
+/**
+ * @return array<int, callable(string): void>
+ */
+function autoloadFunctions(): array // phpcs:ignore Squiz.Functions.GlobalFunction.Found
+{
+	return $GLOBALS['__phpstanAutoloadFunctions'] ?? [];
+}