Error Suppression FTW.

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 b3dbca7bbf210ee758e27abfceead5b652cc1e8b..866316e20e7b7ee02f7a71615ef0ef3c605daffd 100644
--- a/pkg/analysis_server/lib/src/context_manager.dart
+++ b/pkg/analysis_server/lib/src/context_manager.dart
@@ -22,6 +22,7 @@ import 'package:analyzer/source/pub_package_map_provider.dart';
 import 'package:analyzer/source/sdk_ext.dart';
 import 'package:analyzer/src/context/context.dart' as context;
 import 'package:analyzer/src/generated/engine.dart';
+import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:analyzer/src/generated/source.dart';
@@ -520,6 +521,10 @@ class ContextManagerImpl implements ContextManager {
     if (exclude != null) {
       setIgnorePatternsForContext(info, exclude);
     }
+
+    // Set filters.
+    YamlList filters = analyzer['suppress'];
+    setFiltersForContext(info, filters ?? const []);
   }
 
   @override
@@ -543,6 +548,15 @@ class ContextManagerImpl implements ContextManager {
     setRoots(includedPaths, excludedPaths, packageRoots);
   }
 
+  void setFiltersForContext(ContextInfo info, List<String> codes) {
+    // Case-insensitive.
+    codes = codes.map((code) => code.toUpperCase()).toList();
+    List<ErrorFilter> filters = codes
+        .map((code) => (AnalysisError error) => error.errorCode.name == code)
+        .toList();
+    info.context.setConfigurationData(CONFIGURED_ERROR_FILTERS, filters);
+  }
+
   /**
    * Sets the [ignorePatterns] for the context having info [info].
    */