1 files changed, 84 insertions, 0 deletions
diff --git a/vendor/scssphp/scssphp/src/Warn.php b/vendor/scssphp/scssphp/src/Warn.php
new file mode 100644
index 000000000..592b44c70
--- /dev/null
+++ b/vendor/scssphp/scssphp/src/Warn.php
@@ -0,0 +1,84 @@
+<?php
+
+/**
+ * SCSSPHP
+ *
+ * @copyright 2012-2020 Leaf Corcoran
+ *
+ * @license http://opensource.org/licenses/MIT MIT
+ *
+ * @link http://scssphp.github.io/scssphp
+ */
+
+namespace ScssPhp\ScssPhp;
+
+final class Warn
+{
+    /**
+     * @var callable|null
+     * @phpstan-var (callable(string, bool): void)|null
+     */
+    private static $callback;
+
+    /**
+     * Prints a warning message associated with the current `@import` or function call.
+     *
+     * This may only be called within a custom function or importer callback.
+     *
+     * @param string $message
+     *
+     * @return void
+     */
+    public static function warning($message)
+    {
+        self::reportWarning($message, false);
+    }
+
+    /**
+     * Prints a deprecation warning message associated with the current `@import` or function call.
+     *
+     * This may only be called within a custom function or importer callback.
+     *
+     * @param string $message
+     *
+     * @return void
+     */
+    public static function deprecation($message)
+    {
+        self::reportWarning($message, true);
+    }
+
+    /**
+     * @param callable|null $callback
+     *
+     * @return callable|null The previous warn callback
+     *
+     * @phpstan-param (callable(string, bool): void)|null $callback
+     *
+     * @phpstan-return (callable(string, bool): void)|null
+     *
+     * @internal
+     */
+    public static function setCallback(callable $callback = null)
+    {
+        $previousCallback = self::$callback;
+        self::$callback = $callback;
+
+        return $previousCallback;
+    }
+
+    /**
+     * @param string $message
+     * @param bool   $deprecation
+     *
+     * @return void
+     */
+    private static function reportWarning($message, $deprecation)
+    {
+        if (self::$callback === null) {
+            throw new \BadMethodCallException('The warning Reporter may only be called within a custom function or importer callback.');
+        }
+
+        \call_user_func(self::$callback, $message, $deprecation);
+    }
+}