commit 0ec3bf32dfe63abe95541f360cb5eb508fc5466d
author Konstantin Shcheglov <scheglov@google.com> Fri Jul 13 22:09:09 2018 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> Fri Jul 13 22:09:09 2018 +0000
tree 0371905685a50f151ba0cabee9463f88004dd8c3
parent 1145466844514806df2d12ed4c245064a6887279

Drain AnalysisDriver streams in ContextBuilderImpl.

R=brianwilkerson@google.com

Change-Id: I4b0db751452fe43f62ca836286a42ce0c72e8cca
Reviewed-on: https://dart-review.googlesource.com/64921
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>

pkg/analyzer/lib/src/dart/analysis/context_builder.dart

diff --git a/pkg/analyzer/lib/src/dart/analysis/context_builder.dart b/pkg/analyzer/lib/src/dart/analysis/context_builder.dart
index bf4d9ba..3ede35d 100644
--- a/pkg/analyzer/lib/src/dart/analysis/context_builder.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/context_builder.dart
@@ -83,6 +83,12 @@
         contextRoot.root.path, contextRoot.excludedPaths.toList(),
         pathContext: resourceProvider.pathContext);
     AnalysisDriver driver = builder.buildDriver(oldContextRoot);
+
+    // AnalysisDriver reports results into streams.
+    // We need to drain these streams to avoid memory leak.
+    driver.results.drain();
+    driver.exceptions.drain();
+
     DriverBasedAnalysisContext context =
         new DriverBasedAnalysisContext(resourceProvider, contextRoot, driver);
     return context;