1 files changed, 5 insertions, 0 deletions
diff --git a/src/diag.rs b/src/diag.rs
index 7631b6d3..613789f8 100644
--- a/src/diag.rs
+++ b/src/diag.rs
@@ -96,6 +96,8 @@ impl SourceError {
 pub enum Tracepoint {
     /// A function call.
     Call(Option<EcoString>),
+    /// A show rule application.
+    Apply(EcoString),
     /// A module import.
     Import,
 }
@@ -109,6 +111,9 @@ impl Display for Tracepoint {
             Tracepoint::Call(None) => {
                 write!(f, "error occured in this function call")
             }
+            Tracepoint::Apply(name) => {
+                write!(f, "error occured while applying show rule to this {name}")
+            }
             Tracepoint::Import => {
                 write!(f, "error occured while importing this module")
             }