From 2931a462c01e383a5ce92e680cbc82ae0f7bb815 Mon Sep 17 00:00:00 2001
From: Dave Mc Nicoll <dave.mcnicoll@cslsj.qc.ca>
Date: Thu, 22 Oct 2026 15:15:38 +0000
Subject: [PATCH] - Added a new getExtensionInstanceOf() method in Compiler

---
 src/Compiler.php | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/Compiler.php b/src/Compiler.php
index 3edb082..f59b19a 100644
--- a/src/Compiler.php
+++ b/src/Compiler.php
@@ -158,6 +158,19 @@ class Compiler
         return $this->extensionList[$tokenName];
     }
 
+    public function getExtensionInstanceOf(string $class) : Extension\Extension
+    {
+        foreach(array_reverse($this->extensionList) as $ext) {
+            if ( is_a($ext, $class, false) ) {
+                return $ext;
+            }
+        }
+
+        throw new \InvalidArgumentException(<<<MSG
+            Requested extension instance of `$class` could not be found from loaded Picea compiler's extension.
+        MSG);
+    }
+
     public function exportFunctions() : void
     {
         static $caching = [];