From 42643b5543408b9c0b62b16b86834211db1c05e8 Mon Sep 17 00:00:00 2001
From: Joel Klinghed <the_jk@spawned.biz>
Date: Tue, 28 Apr 2026 21:09:16 +0200
Subject: grammar: More verbose error

---
 src/grammar.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/grammar.cc')

diff --git a/src/grammar.cc b/src/grammar.cc
index 6ed2766..c94a86f 100644
--- a/src/grammar.cc
+++ b/src/grammar.cc
@@ -224,7 +224,8 @@ class GrammarLoader {
         if (root_index.has_value()) {
           errors_.warn(first_pass_elements.find(second_pass_elements[i]->name)
                            ->second.loc,
-                       "Is not referenced but also not root");
+                       std::format("{} is not referenced but also not root",
+                                   second_pass_elements[i]->name));
         } else {
           root_index = i;
         }
-- 
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