Invoke analyzeFiles() from handleAffectedFiles() only for analyzed files.

Bug: https://github.com/dart-lang/sdk/issues/49404
Change-Id: I6e80394d28a51182b622ab113a5a6376dbde13ef
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/251442
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>

pkg/analyzer_plugin/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.11.1
+- Call `analyzeFiles` from `handleAffectedFiles` only for files that are
+  analyzed in this analysis context.
+
 ## 0.11.0
 - Using `AnalysisContextCollection` and `AnalysisContext` for analysis.
 

pkg/analyzer_plugin/lib/plugin/plugin.dart

@@ -198,14 +198,19 @@ abstract class ServerPlugin {
   /// one or more files. The implementation may check if these files should
   /// be analyzed, do such analysis, and send diagnostics.
   ///
-  /// By default invokes [analyzeFiles].
+  /// By default invokes [analyzeFiles] only for files that are analyzed in
+  /// this [analysisContext].
   Future<void> handleAffectedFiles({
     required AnalysisContext analysisContext,
     required List<String> paths,
   }) async {
+    final analyzedPaths = paths
+        .where(analysisContext.contextRoot.isAnalyzed)
+        .toList(growable: false);
+
     await analyzeFiles(
       analysisContext: analysisContext,
-      paths: paths,
+      paths: analyzedPaths,
     );
   }
 

pkg/analyzer_plugin/pubspec.yaml

@@ -1,6 +1,6 @@
 name: analyzer_plugin
 description: A framework and support code for building plugins for the analysis server.
-version: 0.11.0
+version: 0.11.1
 repository: https://github.com/dart-lang/sdk/tree/main/pkg/analyzer_plugin
 
 environment: