Make analyzer_cli batch mode asynchronous.

pkg/analyzer_cli/lib/src/build_mode.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_cli.src.build_mode;
 
 import 'dart:core';
 import 'dart:io' as io;
 
 import 'package:analyzer/dart/ast/ast.dart' show CompilationUnit;
@@ skipping 207 matching lines @@
       return _computeMaxSeverity();
     }
   }
 
   ErrorSeverity _computeMaxSeverity() {
     ErrorSeverity maxSeverity = ErrorSeverity.NONE;
     if (!options.buildSuppressExitCode) {
       for (Source source in explicitSources) {
         AnalysisErrorInfo errorInfo = context.getErrors(source);
         for (AnalysisError error in errorInfo.errors) {
-          ProcessedSeverity processedSeverity =
-              AnalyzerImpl.processError(error, options, context);
+          ProcessedSeverity processedSeverity = AnalyzerImpl.processError(
+              error, options, context.analysisOptions);
           if (processedSeverity != null) {
             maxSeverity = maxSeverity.max(processedSeverity.severity);
           }
         }
       }
     }
     return maxSeverity;
   }
 
   void _createContext() {
@@ skipping 72 matching lines @@
    * Print errors for all explicit sources.  If [outputPath] is supplied, output
    * is sent to a new file at that path.
    */
   void _printErrors({String outputPath}) {
     StringBuffer buffer = new StringBuffer();
     ErrorFormatter formatter = new ErrorFormatter(
         buffer,
         options,
         stats,
         (AnalysisError error) =>
-            AnalyzerImpl.processError(error, options, context));
+            AnalyzerImpl.processError(error, options, context.analysisOptions));
     for (Source source in explicitSources) {
       AnalysisErrorInfo errorInfo = context.getErrors(source);
       formatter.formatErrors([errorInfo]);
     }
     if (!options.machineFormat) {
       stats.print(buffer);
     }
     if (outputPath == null) {
       StringSink sink = options.machineFormat ? errorSink : outSink;
       sink.write(buffer);
@@ skipping 83 matching lines @@
    * Build the inverse mapping of [uriToSourceMap].
    */
   static Map<String, Uri> _computePathToUriMap(Map<Uri, File> uriToSourceMap) {
     Map<String, Uri> pathToUriMap = <String, Uri>{};
     uriToSourceMap.forEach((Uri uri, File file) {
       pathToUriMap[file.path] = uri;
     });
     return pathToUriMap;
   }
 }