Improve preprocessor

Author: SerafimArts

src/Directives/DirectivesProviderInterface.php

@@ -20,9 +20,9 @@ interface DirectivesProviderInterface
 
     /**
      * @param string $directive
-     * @param string|callable $value
+     * @param mixed $value
      */
-    public function define(string $directive, $value = self::DEFAULT_VALUE): void;
+    public function define(string $directive, mixed $value = self::DEFAULT_VALUE): void;
 
     /**
      * @param string $directive

src/Directives/RepositoryTrait.php

@@ -31,7 +31,13 @@ trait RepositoryTrait
      */
     public function define(string $directive, $value = ''): void
     {
-        $this->defines[$directive] = $this->cast($value);
+        $expr = $this->cast($value);
+
+        if ($expr instanceof ObjectLikeDirective) {
+            $this->defines = \array_merge([$directive => $expr], $this->defines);
+        } else {
+            $this->defines[$directive] = $expr;
+        }
     }
 
     /**