echo analysis options information if dartanalyzer --verbose is specified

pkg/analyzer_cli/lib/src/driver.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.driver;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io' as io;
 
@@ skipping 730 matching lines @@
 
     String contextRoot;
     if (options.sourceFiles.isEmpty) {
       contextRoot = path.current;
     } else {
       contextRoot = options.sourceFiles[0];
       if (!path.isAbsolute(contextRoot)) {
         contextRoot = path.absolute(contextRoot);
       }
     }
+
+    void verbosePrint(String text) {
+      outSink.writeln(text);
+    }
+
     AnalysisOptionsImpl contextOptions = new ContextBuilder(
             resourceProvider, null, null,
             options: options.contextBuilderOptions)
-        .getAnalysisOptions(contextRoot);
+        .getAnalysisOptions(contextRoot,
+            verbosePrint: options.verbose ? verbosePrint : null);
 
     contextOptions.trackCacheDependencies = false;
     contextOptions.disableCacheFlushing = options.disableCacheFlushing;
     contextOptions.hint = !options.disableHints;
     contextOptions.generateImplicitErrors = options.showPackageWarnings;
     contextOptions.generateSdkErrors = options.showSdkWarnings;
 
     return contextOptions;
   }
 
@@ skipping 141 matching lines @@
     for (var package in packages) {
       var packageName = path.basename(package.path);
       var realPath = package.resolveSymbolicLinksSync();
       result[packageName] = [
         PhysicalResourceProvider.INSTANCE.getFolder(realPath)
       ];
     }
     return result;
   }
 }