From 3513d048ab1fa736261a453508ab0eb80baf07e1 Mon Sep 17 00:00:00 2001
From: Anton Alkin <anton.alkin@cern.ch>
Date: Tue, 19 Aug 2025 17:54:27 +0200
Subject: [PATCH] DPL Analysis: fix for retrieving placeholder nodes in filters
 parsed from strings

---
 Framework/Core/include/Framework/Expressions.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Framework/Core/include/Framework/Expressions.h b/Framework/Core/include/Framework/Expressions.h
index e2fdd0493d033..5a889e9ae26ec 100644
--- a/Framework/Core/include/Framework/Expressions.h
+++ b/Framework/Core/include/Framework/Expressions.h
@@ -168,16 +168,18 @@ struct PlaceholderNode : LiteralNode {
   template <typename T>
   PlaceholderNode(T defaultValue, std::string&& path)
     : LiteralNode{defaultValue},
-      name{path}
+      stored_name{path},
+      name{stored_name}
   {
     retrieve = [](InitContext& context, char const* name) { return LiteralNode::var_t{context.options().get<T>(name)}; };
   }
 
   void reset(InitContext& context)
   {
-    value = retrieve(context, name.data());
+    value = retrieve(context, stored_name.empty() ? name.data() : stored_name.data());
   }
 
+  std::string stored_name;
   std::string const& name;
   LiteralNode::var_t (*retrieve)(InitContext&, char const*);
 };