iter 22b.2.7: missing-superclass-instance diagnostic

2026-05-09 18:18:12 +02:00
parent b252f837af
commit a546c5851c
3 changed files with 118 additions and 0 deletions
@@ -1123,6 +1123,23 @@ fn workspace_error_to_diagnostic(
                "second_origin": second_origin,
            })),
        ),
+        W::MissingSuperclassInstance {
+            class,
+            superclass,
+            type_repr,
+        } => Some(
+            ailang_check::Diagnostic::error(
+                "missing-superclass-instance",
+                format!(
+                    "instance `{class} {type_repr}` requires superclass instance `{superclass} {type_repr}`, but none was found"
+                ),
+            )
+            .with_ctx(serde_json::json!({
+                "class": class,
+                "superclass": superclass,
+                "type": type_repr,
+            })),
+        ),
    }
 }