Add support for Attributes (#738)

specs/misc/attributes.php

@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the humbug/php-scoper package.
+ *
+ * Copyright (c) 2017 Théo FIDRY <[email protected]>,
+ *                    Pádraic Brady <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+return [
+    'meta' => [
+        'title' => 'Attributes',
+        // Default values. If not specified will be the one used
+        'prefix' => 'Humbug',
+
+        'expose-global-constants' => false,
+        'expose-global-classes' => false,
+        'expose-global-functions' => false,
+        'expose-namespaces' => [],
+        'expose-constants' => [],
+        'expose-classes' => [],
+        'expose-functions' => [],
+
+        'exclude-namespaces' => [],
+        'exclude-constants' => [],
+        'exclude-classes' => [],
+        'exclude-functions' => [],
+
+        'expected-recorded-classes' => [],
+        'expected-recorded-functions' => [],
+    ],
+
+    'FQCN attribute' => <<<'PHP'
+    <?php
+    
+    namespace PhpScoper\Command;
+
+    #[\PhpScoper\Attribute\AsCommand(name: "main")]
+    class MainCommand {}
+    
+    ----
+    <?php
+
+    namespace Humbug\PhpScoper\Command;
+
+    #[\Humbug\PhpScoper\Attribute\AsCommand(name: "main")]
+    class MainCommand
+    {
+    }
+
+    PHP,
+
+    'imported attribute' => <<<'PHP'
+    <?php
+    
+    namespace PhpScoper\Command;
+
+    use PhpScoper\Attribute\AsCommand;
+
+    #[AsCommand(name: "main")]
+    class MainCommand {}
+    
+    ----
+    <?php
+
+    namespace Humbug\PhpScoper\Command;
+
+    use Humbug\PhpScoper\Attribute\AsCommand;
+    #[AsCommand(name: "main")]
+    class MainCommand
+    {
+    }
+
+    PHP,
+];

specs/misc/first-class-callables.php

@@ -73,7 +73,7 @@ function b() {}
     new \Humbug\X\A(...);
     $this->foo(...);
     $this?->foo(...);
-    #[\X\A(...)]
+    #[A(...)]
     function b()
     {
     }

src/PhpParser/NodeVisitor/NameStmtPrefixer.php

@@ -20,6 +20,7 @@
 use Humbug\PhpScoper\PhpParser\UseStmtName;
 use Humbug\PhpScoper\Symbol\EnrichedReflector;
 use PhpParser\Node;
+use PhpParser\Node\Attribute;
 use PhpParser\Node\Expr\ArrowFunction;
 use PhpParser\Node\Expr\ClassConstFetch;
 use PhpParser\Node\Expr\Closure;
@@ -68,6 +69,7 @@ final class NameStmtPrefixer extends NodeVisitorAbstract
 {
     private const SUPPORTED_PARENT_NODE_CLASS_NAMES = [
         Alias::class,
+        Attribute::class,
         ArrowFunction::class,
         Catch_::class,
         ConstFetch::class,