Potential fix for pull request finding

harehare · Copilot · web-flow · commit ab26ca1a38fb · 2026-03-13T22:09:00.000+09:00
Co-authored-by: Copilot Autofix powered by AI &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/crates/mq-lsp/src/server.rs b/crates/mq-lsp/src/server.rs
@@ -365,28 +365,18 @@ impl Backend {
             let mut checker = mq_check::TypeChecker::with_options(self.config.type_checker_options);
             let type_errors = checker.check(&hir_guard);
 
-            // Build a set of (line, column) start positions from the current source's symbols
-            // so that type errors originating from other sources (e.g., pre-loaded modules)
-            // are not incorrectly attributed to this file.
-            let source_locations: FxHashSet<(u32, usize)> = hir_guard
-                .symbols_for_source(source_id)
-                .filter_map(|(_, symbol)| {
-                    symbol
-                        .source
-                        .text_range
-                        .as_ref()
-                        .map(|r| (r.start.line, r.start.column))
-                })
-                .collect();
-
+            // Filter type errors so that only those originating from the current source
+            // (as identified by `source_id`) are attributed to this file. This avoids
+            // accidentally attaching errors from other sources that may share the same
+            // (line, column) coordinates.
             self.type_env_map
                 .insert(uri_string.clone(), checker.symbol_types().clone());
             errors.extend(
                 type_errors
                     .into_iter()
                     .filter(|e| {
-                        e.location()
-                            .map(|(line, col)| source_locations.contains(&(line, col)))
+                        e.source_id()
+                            .map(|id| id == source_id)
                             .unwrap_or(false)
                     })
                     .map(LspError::TypeError),
