iter 22b.2.5: overriding-non-existent-method diagnostic

2026-05-09 17:59:10 +02:00
parent 257b47625d
commit 634bd5eca3
3 changed files with 111 additions and 0 deletions
@@ -1029,6 +1029,23 @@ fn workspace_error_to_diagnostic(
                "method": method,
            })),
        ),
+        W::OverridingNonExistentMethod {
+            class,
+            type_repr,
+            method,
+        } => Some(
+            ailang_check::Diagnostic::error(
+                "overriding-non-existent-method",
+                format!(
+                    "instance `{class} {type_repr}` provides body for method `{method}`, but class `{class}` does not declare it"
+                ),
+            )
+            .with_ctx(serde_json::json!({
+                "class": class,
+                "type": type_repr,
+                "method": method,
+            })),
+        ),
        W::KindMismatch {
            class,
            param,