Remove unused fields in analyzer.

pkg/analyzer/test/generated/test_support.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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.test_support;
 
 import 'dart:collection';
@@ skipping 122 matching lines @@
  * Instances of the class `GatheringErrorListener` implement an error listener that collects
  * all of the errors passed to it for later examination.
  */
 class GatheringErrorListener implements AnalysisErrorListener {
   /**
    * An empty array of errors used when no errors are expected.
    */
   static List<AnalysisError> _NO_ERRORS = new List<AnalysisError>(0);
 
   /**
-   * The source being parsed.
-   */
-  final String _rawSource;
-
-  /**
-   * The source being parsed after inserting a marker at the beginning and end of the range of the
-   * most recent error.
-   */
-  String _markedSource;
-
-  /**
    * A list containing the errors that were collected.
    */
   List<AnalysisError> _errors = new List<AnalysisError>();
 
   /**
    * A table mapping sources to the line information for the source.
    */
   HashMap<Source, LineInfo> _lineInfoMap = new HashMap<Source, LineInfo>();
 
   /**
    * Initialize a newly created error listener to collect errors.
    */
-  GatheringErrorListener() : this.con1(null);
-
-  /**
-   * Initialize a newly created error listener to collect errors.
-   */
-  GatheringErrorListener.con1(this._rawSource) {
-    this._markedSource = _rawSource;
-  }
+  GatheringErrorListener();
 
   /**
    * Return the errors that were collected.
    *
    * @return the errors that were collected
    */
   List<AnalysisError> get errors => _errors;
 
   /**
    * Return `true` if at least one error has been gathered.
@@ skipping 206 matching lines @@
     for (AnalysisError error in _errors) {
       if (identical(error.errorCode, errorCode)) {
         return true;
       }
     }
     return false;
   }
 
   @override
   void onError(AnalysisError error) {
-    if (_rawSource != null) {
-      int left = error.offset;
-      int right = left + error.length - 1;
-      _markedSource =
-          "${_rawSource.substring(0, left)}^${_rawSource.substring(left, right)}^${_rawSource.substring(right)}";
-    }
     _errors.add(error);
   }
 
   /**
    * Set the line information associated with the given source to the given information.
    *
    * @param source the source with which the line information is associated
    * @param lineStarts the line start information to be associated with the source
    */
   void setLineInfo(Source source, List<int> lineStarts) {
@@ skipping 222 matching lines @@
   void getContentsToReceiver(Source_ContentReceiver receiver) {
     throw new UnsupportedOperationException();
   }
   Source resolve(String uri) {
     throw new UnsupportedOperationException();
   }
   Uri resolveRelativeUri(Uri uri) {
     return new Uri(scheme: 'file', path: _name).resolveUri(uri);
   }
 }