Support refresh of individual analysis roots (issue 22254)

pkg/analysis_server/lib/src/protocol.dart

 // Copyright (c) 2014, 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 protocol;
 
 import 'dart:collection';
 import 'dart:convert';
 
 part 'generated_protocol.dart';
@@ skipping 715 matching lines @@
   /**
    * Initialize a newly created instance to represent the
    * GET_ERRORS_INVALID_FILE error condition.
    */
   Response.getErrorsInvalidFile(Request request) : this(request.id,
           error: new RequestError(RequestErrorCode.GET_ERRORS_INVALID_FILE,
               'Error during `analysis.getErrors`: invalid file.'));
 
   /**
    * Initialize a newly created instance to represent an error condition caused
+   * by an analysis.reanalyze [request] that specifies an analysis root that is
+   * not in the current list of analysis roots.
+   */
+  Response.invalidAnalysisRoot(Request request, String rootPath) : this(
+          request.id,
+          error: new RequestError(RequestErrorCode.INVALID_ANALYSIS_ROOT,
+              "Invalid analysis root: $rootPath"));
+
+
+  /**
+   * Initialize a newly created instance to represent an error condition caused
    * by a [request] that specifies an execution context whose context root does
    * not exist.
    */
   Response.invalidExecutionContext(Request request, String contextId) : this(
           request.id,
           error: new RequestError(RequestErrorCode.INVALID_EXECUTION_CONTEXT,
               "Invalid execution context: $contextId"));
 
   /**
    * Initialize a newly created instance to represent an error condition caused
@@ skipping 139 matching lines @@
     hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
     hash = hash ^ (hash >> 11);
     return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
   }
 
   static int hash2(a, b) => finish(combine(combine(0, a), b));
 
   static int hash4(a, b, c, d) =>
       finish(combine(combine(combine(combine(0, a), b), c), d));
 }