Support refresh of individual analysis roots (issue 22254)

pkg/analysis_server/lib/src/analysis_server.dart

Index: pkg/analysis_server/lib/src/analysis_server.dart
diff --git a/pkg/analysis_server/lib/src/analysis_server.dart b/pkg/analysis_server/lib/src/analysis_server.dart
index bad954c6c7ac1dccaaf732881d9474235c815967..20a2f407a86b98afa0d0dbff2667c9430b104dab 100644
--- a/pkg/analysis_server/lib/src/analysis_server.dart
+++ b/pkg/analysis_server/lib/src/analysis_server.dart
@@ -733,14 +733,15 @@ class AnalysisServer {
   }
 
   /**
-   * Trigger reanalysis of all files from disk.
+   * Trigger reanalysis of all files in the given list of analysis [roots], or
+   * everything if the analysis roots is `null`.
    */
-  void reanalyze() {
+  void reanalyze(List<Resource> roots) {
     // Clear any operations that are pending.
     operationQueue.clear();

[scheglov, 2015/03/30 19:41:44]

What is there were pending operations for other roots?

[Brian Wilkerson, 2015/03/30 20:33:38]

Good catch!

     // Instruct the contextDirectoryManager to rebuild all contexts from
     // scratch.
-    contextDirectoryManager.refresh();
+    contextDirectoryManager.refresh(roots);
   }
 
   /**