Initial Drupal 11 with DDEV setup

vendor/revolt/event-loop/src/EventLoop/InvalidCallbackError.php

@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Revolt\EventLoop;
+
+use Revolt\EventLoop\Internal\ClosureHelper;
+
+final class InvalidCallbackError extends \Error
+{
+    public const E_NONNULL_RETURN = 1;
+    public const E_INVALID_IDENTIFIER = 2;
+
+    /**
+     * MUST be thrown if any callback returns a non-null value.
+     */
+    public static function nonNullReturn(string $callbackId, \Closure $closure): self
+    {
+        return new self(
+            $callbackId,
+            self::E_NONNULL_RETURN,
+            'Non-null return value received from callback ' . ClosureHelper::getDescription($closure)
+        );
+    }
+
+    /**
+     * MUST be thrown if any operation (except disable() and cancel()) is attempted with an invalid callback identifier.
+     *
+     * An invalid callback identifier is any identifier that is not yet emitted by the driver or cancelled by the user.
+     */
+    public static function invalidIdentifier(string $callbackId): self
+    {
+        return new self($callbackId, self::E_INVALID_IDENTIFIER, 'Invalid callback identifier ' . $callbackId);
+    }
+
+    /** @var string */
+    private readonly string $rawMessage;
+
+    /** @var string */
+    private readonly string $callbackId;
+
+    /** @var array<string, string> */
+    private array $info = [];
+
+    /**
+     * @param string $callbackId The callback identifier.
+     * @param string $message The exception message.
+     */
+    private function __construct(string $callbackId, int $code, string $message)
+    {
+        parent::__construct($message, $code);
+
+        $this->callbackId = $callbackId;
+        $this->rawMessage = $message;
+    }
+
+    /**
+     * @return string The callback identifier.
+     */
+    public function getCallbackId(): string
+    {
+        return $this->callbackId;
+    }
+
+    public function addInfo(string $key, string $message): void
+    {
+        $this->info[$key] = $message;
+
+        $info = '';
+
+        foreach ($this->info as $infoKey => $infoMessage) {
+            $info .= "\r\n\r\n" . $infoKey . ': ' . $infoMessage;
+        }
+
+        $this->message = $this->rawMessage . $info;
+    }
+}