Include LineInfo into AnalysisResult to allow reporting errors with lines/columns.

pkg/analyzer/lib/src/dart/analysis/file_state.dart

 // Copyright (c) 2016, 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.
 
 import 'dart:convert';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/error/listener.dart';
 import 'package:analyzer/file_system/file_system.dart';
@@ skipping 60 matching lines @@
 
   /**
    * The absolute URI of the file.
    */
   final Uri uri;
 
   Source _source;
 
   String _content;
   String _contentHash;
+  LineInfo _lineInfo;
   UnlinkedUnit _unlinked;
   List<int> _apiSignature;
 
   List<FileState> _importedFiles;
   List<FileState> _exportedFiles;
   List<FileState> _partedFiles;
   List<FileState> _dependencies;
 
   FileState(this._fsState, this.path, this.uri) {
     _source = new FileSource(_fsState._resourceProvider.getFile(path), uri);
   }
 
   /**
    * The unlinked API signature of the file.
    */
   List<int> get apiSignature => _apiSignature;
 
   /**
    * The content of the file.
    */
   String get content => _content;
 
   /**
    * The MD5 hash of the [content].
    */
   String get contentHash => _contentHash;
 
   /**
+   * Return information about line in the file.
+   */
+  LineInfo get lineInfo => _lineInfo;
+
+  /**
    * Return the list of all direct dependencies.
    */
   List<FileState> get dependencies => _dependencies;
 
   /**
    * The list of files this file exports.
    */
   List<FileState> get exportedFiles => _exportedFiles;
 
   /**
@@ skipping 51 matching lines @@
             _parse(_source, _content, _fsState._analysisOptions);
         _fsState._logger.run('Create unlinked for $path', () {
           UnlinkedUnitBuilder unlinkedUnit = serializeAstUnlinked(unit);
           bytes = unlinkedUnit.toBuffer();
           _fsState._byteStore.put(key, bytes);
         });
       }
     }
     // Read the unlinked bundle.
     _unlinked = new UnlinkedUnit.fromBuffer(bytes);
+    _lineInfo = new LineInfo(_unlinked.lineStarts);
     List<int> newApiSignature = _unlinked.apiSignature;
     bool apiSignatureChanged = _apiSignature != null &&
         !_equalByteLists(_apiSignature, newApiSignature);
     _apiSignature = newApiSignature;
     // Build the graph.
     _importedFiles = <FileState>[];
     _exportedFiles = <FileState>[];
     _partedFiles = <FileState>[];
     for (UnlinkedImport import in _unlinked.imports) {
       if (!import.isImplicit) {
@@ skipping 118 matching lines @@
   }
 
   /**
    * Return the default [Uri] for the given path in [_sourceFactory].
    */
   Uri _uriForPath(String path) {
     Source fileSource = _resourceProvider.getFile(path).createSource();
     return _sourceFactory.restoreUri(fileSource);
   }
 }