From 0bd8bc2f031bbdf31533360f8e6a97df3cb3530c Mon Sep 17 00:00:00 2001
From: Klesti Selimaj <klesti.selimay@icloud.com>
Date: Sat, 16 May 2026 22:43:44 +0200
Subject: [PATCH] track caller on bug_unimplemented

---
 parser/src/error.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/parser/src/error.rs b/parser/src/error.rs
index ebec476..1ad1b05 100644
--- a/parser/src/error.rs
+++ b/parser/src/error.rs
@@ -48,11 +48,19 @@ impl<'a, F> AstError<'a, F> {
         }
     }
 
+    #[track_caller]
     pub fn bug_unimplemented<T>(pair: Pair<'a, Rule>) -> AstResult<'a, T, F> {
+        let loc = std::panic::Location::caller();
+
         Err(Self {
             span: pair.as_span(),
             error_code: ErrorCode::AstGenBug,
-            error_message: format!("Possible bug, unimplemented: {:#?}", pair.as_rule()),
+            error_message: format!(
+                "Possible bug, unimplemented: {:#?}, at {}:{}",
+                pair.as_rule(),
+                loc.file(),
+                loc.line(),
+            ),
             recovered: None,
         })
     }