AnalysisError `hasFix` attr (Implements #23874).

pkg/analysis_server/lib/src/protocol_server.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.server;
 
 import 'package:analysis_server/src/protocol.dart';
+import 'package:analysis_server/src/services/correction/fix.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart'
     as engine;
 import 'package:analyzer/src/generated/ast.dart' as engine;
 import 'package:analyzer/src/generated/element.dart' as engine;
 import 'package:analyzer/src/generated/engine.dart' as engine;
 import 'package:analyzer/src/generated/error.dart' as engine;
 import 'package:analyzer/src/generated/source.dart' as engine;
 import 'package:analyzer/src/generated/utilities_dart.dart' as engine;
 
 export 'package:analysis_server/src/protocol.dart';
@@ skipping 67 matching lines @@
         startColumn = lineLocation.columnNumber;
       }
     }
     location = new Location(file, offset, length, startLine, startColumn);
   }
   // done
   var severity = new AnalysisErrorSeverity(errorCode.errorSeverity.name);
   var type = new AnalysisErrorType(errorCode.type.name);
   String message = error.message;
   String correction = error.correction;
+  bool fix = hasFix(error.errorCode);
   return new AnalysisError(severity, type, location, message,
-      correction: correction);
+      correction: correction, hasFix: fix);
 }
 
 /**
  * Construct based on a value from the analyzer engine.
  */
 Element newElement_fromEngine(engine.Element element) {
   String name = element.displayName;
   String elementTypeParameters = _getTypeParametersString(element);
   String elementParameters = _getParametersString(element);
   String elementReturnType = getReturnTypeString(element);
@@ skipping 324 matching lines @@
     if (lineInfo != null) {
       engine.LineInfo_Location offsetLocation =
           lineInfo.getLocation(range.offset);
       startLine = offsetLocation.lineNumber;
       startColumn = offsetLocation.columnNumber;
     }
   }
   return new Location(
       source.fullName, range.offset, range.length, startLine, startColumn);
 }