eee

Scanner.php

@@ -41,9 +41,13 @@ class Scanner extends Component
 		'follow_links' => false,
 		'cache_enabled' => false,
 		'cache_ttl' => 3600,
+		'opcache_compile' => false,
+		'require_files_without_classes' => false,
 		'debug' => false,
 	];
 
+	private static ?string $currentFile = null;
+
 	public function __construct()
 	{
 		$this->basePath = $this->normalizePath($_SERVER['PWD'] ?? APP_PATH ?? getcwd());
@@ -79,6 +83,9 @@ class Scanner extends Component
 		}
 
 		$this->syncLegacyState();
+		if ($this->config['cache_enabled'] && $cacheFile !== null) {
+			$this->saveToCache($cacheFile);
+		}
 		return $this->changeSet;
 	}
 
@@ -113,6 +120,9 @@ class Scanner extends Component
 		}
 
 		$this->syncLegacyState();
+		if ($this->config['cache_enabled'] && $scopePath !== null && $cacheFile !== null) {
+			$this->saveToCache($cacheFile);
+		}
 
 		return $this->changeSet;
 	}
@@ -236,11 +246,28 @@ class Scanner extends Component
 	{
 		$this->optimizeWithOpcache($path);
 
-		$before = get_declared_classes();
+		self::$currentFile = $path;
-		require_once $path;
+		$classes = $this->parseDeclaredClasses($path);
-		$after = get_declared_classes();
+		$loadFile = $classes === [] ? (bool)$this->config['require_files_without_classes'] : false;
+
+		foreach ($classes as $class) {
+			if (!$this->isDeclaredSymbol($class)) {
+				$loadFile = true;
+				break;
+			}
+		}
+
+		try {
+			if ($loadFile) {
+				$before = $this->getDeclaredSymbols();
+				require_once $path;
+				$after = $this->getDeclaredSymbols();
+				$classes = array_values(array_unique(array_merge(
+					$classes,
+					array_diff($after, $before)
+				)));
+			}
 
-		$classes = array_values(array_diff($after, $before));
 			foreach ($classes as $class) {
 				if (class_exists($class)) {
 					$this->analyzeClass($class);
@@ -248,10 +275,16 @@ class Scanner extends Component
 			}
 
 			return $classes;
+		} finally {
+			self::$currentFile = null;
+		}
 	}
-
 	private function optimizeWithOpcache(string $path): void
 	{
+		if (!$this->config['opcache_compile']) {
+			return;
+		}
+
 		if ($this->hasOpcache === null) {
 			$this->hasOpcache = function_exists('opcache_invalidate') && function_exists('opcache_compile_file');
 		}
@@ -273,6 +306,110 @@ class Scanner extends Component
 		}
 	}
 
+	private function parseDeclaredClasses(string $path): array
+	{
+		$tokens = token_get_all(file_get_contents($path) ?: '');
+		$namespace = '';
+		$classes = [];
+		$count = count($tokens);
+
+		for ($i = 0; $i < $count; $i++) {
+			$token = $tokens[$i];
+			if (!is_array($token)) {
+				continue;
+			}
+
+			if ($token[0] === T_NAMESPACE) {
+				$namespace = $this->parseNamespace($tokens, $i + 1);
+				continue;
+			}
+
+			if (!$this->isClassLikeToken($token[0])) {
+				continue;
+			}
+
+			if ($token[0] === T_CLASS && $this->isAnonymousClass($tokens, $i)) {
+				continue;
+			}
+
+			$name = $this->parseClassLikeName($tokens, $i + 1);
+			if ($name === null) {
+				continue;
+			}
+
+			$classes[] = ltrim($namespace . '\\' . $name, '\\');
+		}
+
+		return array_values(array_unique($classes));
+	}
+
+	private function parseNamespace(array $tokens, int $offset): string
+	{
+		$namespace = '';
+		$count = count($tokens);
+		for ($i = $offset; $i < $count; $i++) {
+			$token = $tokens[$i];
+			if ($token === ';' || $token === '{') {
+				break;
+			}
+			if (is_array($token) && in_array($token[0], [T_STRING, T_NAME_QUALIFIED, T_NS_SEPARATOR], true)) {
+				$namespace .= $token[1];
+			}
+		}
+
+		return trim($namespace, '\\');
+	}
+
+	private function parseClassLikeName(array $tokens, int $offset): ?string
+	{
+		$count = count($tokens);
+		for ($i = $offset; $i < $count; $i++) {
+			$token = $tokens[$i];
+			if (!is_array($token)) {
+				continue;
+			}
+			if ($token[0] === T_STRING) {
+				return $token[1];
+			}
+		}
+
+		return null;
+	}
+
+	private function isClassLikeToken(int $token): bool
+	{
+		return $token === T_CLASS
+			|| $token === T_INTERFACE
+			|| $token === T_TRAIT
+			|| (defined('T_ENUM') && $token === T_ENUM);
+	}
+
+	private function isAnonymousClass(array $tokens, int $offset): bool
+	{
+		for ($i = $offset - 1; $i >= 0; $i--) {
+			$token = $tokens[$i];
+			if (is_array($token) && in_array($token[0], [T_WHITESPACE, T_COMMENT, T_DOC_COMMENT], true)) {
+				continue;
+			}
+
+			return is_array($token) && $token[0] === T_NEW;
+		}
+
+		return false;
+	}
+
+	private function getDeclaredSymbols(): array
+	{
+		return array_merge(get_declared_classes(), get_declared_interfaces(), get_declared_traits());
+	}
+
+	private function isDeclaredSymbol(string $class): bool
+	{
+		return class_exists($class, false)
+			|| interface_exists($class, false)
+			|| trait_exists($class, false)
+			|| (function_exists('enum_exists') && enum_exists($class, false));
+	}
 	private function analyzeClass(string $class): void
 	{
 		try {
@@ -493,6 +630,11 @@ class Scanner extends Component
 		$this->visitedFiles = [];
 	}
 
+	public static function getCurrentFile(): ?string
+	{
+		return self::$currentFile;
+	}
+
 	private function detectRemovedFiles(string $path): void
 	{
 		$prefix = rtrim($path, '/\\') . '/';