Error Suppression FTW.

pkg/analyzer/lib/src/task/options.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.src.task.options;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/plugin/options.dart';
 import 'package:analyzer/source/analysis_options_provider.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/task/general.dart';
 import 'package:analyzer/task/general.dart';
 import 'package:analyzer/task/model.dart';
 import 'package:source_span/source_span.dart';
 import 'package:yaml/yaml.dart';
 
 /// The errors produced while parsing `.analysis_options` files.
 ///
 /// The list will be empty if there were no errors, but will not be `null`.
 final ListResultDescriptor<AnalysisError> ANALYSIS_OPTIONS_ERRORS =
     new ListResultDescriptor<AnalysisError>(
         'ANALYSIS_OPTIONS_ERRORS', AnalysisError.NO_ERRORS);
 
 /// Validates `analyzer` top-level options.
 class AnalyzerOptionsValidator extends TopLevelOptionValidator {
   AnalyzerOptionsValidator()
-      : super('analyzer', const ['exclude', 'plugins', 'strong-mode']);
+      : super('analyzer', const ['exclude', 'plugins', 'strong-mode', 'errors']);

[Brian Wilkerson, 2015/10/28 02:09:08]

Seems like these should be constants so that we can't forget to change them
everywhere if we change them.

[pquitslund, 2015/10/28 15:56:44]

Absolutely.  Another case of "real" enum-envy. :(  I've hoisted these to
constants as a quick fix.

 }
 
 /// Convenience class for composing validators.
 class CompositeValidator extends OptionsValidator {
   final List<OptionsValidator> validators;
   CompositeValidator(this.validators);
 
   @override
   void validate(ErrorReporter reporter, Map<String, YamlNode> options) =>
       validators.forEach((v) => v.validate(reporter, options));
@@ skipping 117 matching lines @@
                 AnalysisOptionsWarningCode.UNSUPPORTED_OPTION,
                 k.span,
                 [pluginName, k.value]);
           }
         }
         //TODO(pq): consider an error if the node is not a Scalar.
       });
     }
   }
 }