Fix for dartbug.com/22656- analysis.flushedResults implementation.

pkg/analysis_server/lib/src/context_manager.dart

Index: pkg/analysis_server/lib/src/context_manager.dart
diff --git a/pkg/analysis_server/lib/src/context_manager.dart b/pkg/analysis_server/lib/src/context_manager.dart
index 8af64b3f40d93bef9ec327223660860c200bfc75..15d204aab784efb77494e8df71dbba53c9232852 100644
--- a/pkg/analysis_server/lib/src/context_manager.dart
+++ b/pkg/analysis_server/lib/src/context_manager.dart
@@ -114,6 +114,29 @@ abstract class ContextManager {
   }
 
   /**
+   * Compute the set of files that are being flushed, this is defined as
+   * the set of sources in the removed context (context.sources), that are
+   * orphaned by this context being removed (no other context includes this
+   * file.)
+   */
+  List<String> computeFlushedFiles(Folder folder) {
+    AnalysisContext context = _contexts[folder].context;
+    List<String> flushedFiles = new List<String>();
+    for (Source source in context.sources) {
+      flushedFiles.add(source.fullName);
+    }
+    for (_ContextInfo contextInfo in _contexts.values) {
+      AnalysisContext contextN = contextInfo.context;
+      for (Source source in contextN.sources) {
+        if (context != contextN) {

[Brian Wilkerson, 2015/03/09 18:56:09]

Can we move the 'for' loop inside the 'if'? Doing so will reduce the amount of
work we do.

[jwren, 2015/03/09 19:55:14]

Fixed

+          flushedFiles.remove(source.fullName);
+        }
+      }
+    }
+    return flushedFiles;
+  }
+
+  /**
    * We have finished computing the package map.
    */
   void endComputePackageMap() {