commit 7993dac4f18fb2540a2444dc06a5b86b82835006
author Brian Wilkerson <brianwilkerson@google.com> Tue Feb 14 12:58:43 2017 -0800
committer Brian Wilkerson <brianwilkerson@google.com> Tue Feb 14 12:58:43 2017 -0800
tree 421620e89cfcdb0ee1f0645b5200489542a8eacd
parent a56cee72e5349caf1844b8d656e6df5728083db5

Check the type of a map entry before using it (issue 28756)

R=scheglov@google.com

Review-Url: https://codereview.chromium.org/2697603005 .

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 c8faf13..d564850 100644
--- a/pkg/analysis_server/lib/src/context_manager.dart
+++ b/pkg/analysis_server/lib/src/context_manager.dart
@@ -705,10 +705,12 @@
     var analyzer = options[AnalyzerOptions.analyzer];
     if (analyzer is Map) {
       // Set ignore patterns.
-      YamlList exclude = analyzer[AnalyzerOptions.exclude];
-      List<String> excludeList = toStringList(exclude);
-      if (excludeList != null) {
-        setIgnorePatternsForContext(info, excludeList);
+      var exclude = analyzer[AnalyzerOptions.exclude];
+      if (exclude is YamlList) {
+        List<String> excludeList = toStringList(exclude);
+        if (excludeList != null) {
+          setIgnorePatternsForContext(info, excludeList);
+        }
       }
     }
   }