Implement 'Sort Members' for the new analysis driver.

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 'dart:typed_data';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/error/listener.dart';
@@ skipping 122 matching lines @@
    * The list of files this library file references as parts.
    */
   List<FileState> get partedFiles => _partedFiles;
 
   /**
    * The [UnlinkedUnit] of the file.
    */
   UnlinkedUnit get unlinked => _unlinked;
 
   /**
+   * Return a new parsed unresolved [CompilationUnit].
+   */
+  CompilationUnit parse(AnalysisErrorListener errorListener) {
+    AnalysisOptions analysisOptions = _fsState._analysisOptions;
+
+    CharSequenceReader reader = new CharSequenceReader(content);
+    Scanner scanner = new Scanner(source, reader, errorListener);
+    scanner.scanGenericMethodComments = analysisOptions.strongMode;
+    Token token = scanner.tokenize();
+    LineInfo lineInfo = new LineInfo(scanner.lineStarts);
+
+    Parser parser = new Parser(source, errorListener);
+    parser.parseGenericMethodComments = analysisOptions.strongMode;
+    CompilationUnit unit = parser.parseCompilationUnit(token);
+    unit.lineInfo = lineInfo;
+    return unit;
+  }
+
+  /**
    * Read the file content and ensure that all of the file properties are
    * consistent with the read content, including API signature.
    *
    * Return `true` if the API signature changed since the last refresh.
    */
   bool refresh() {
     // Read the content.
     try {
       _content = _fsState._contentOverlay[path];
       _content ??= _fsState._resourceProvider.getFile(path).readAsStringSync();
@@ skipping 22 matching lines @@
       signature.addUint32List(_fsState._salt);
       signature.addBytes(contentBytes);
       unlinkedKey = '${signature.toHex()}.unlinked';
     }
 
     // Prepare bytes of the unlinked bundle - existing or new.
     List<int> bytes;
     {
       bytes = _fsState._byteStore.get(unlinkedKey);
       if (bytes == null) {
-        CompilationUnit unit =
-            _parse(source, _content, _fsState._analysisOptions);
+        CompilationUnit unit = parse(AnalysisErrorListener.NULL_LISTENER);
         _fsState._logger.run('Create unlinked for $path', () {
           UnlinkedUnitBuilder unlinkedUnit = serializeAstUnlinked(unit);
           bytes = unlinkedUnit.toBuffer();
           _fsState._byteStore.put(unlinkedKey, bytes);
         });
       }
     }
 
     // Read the unlinked bundle.
     _unlinked = new UnlinkedUnit.fromBuffer(bytes);
@@ skipping 74 matching lines @@
       if (a[i] != b[i]) {
         return false;
       }
     }
     return true;
   }
 
   static bool _isDartUri(String uri) {
     return uri.startsWith('dart:');
   }
-
-  /**
-   * Return the parsed unresolved [CompilationUnit] for the given [content].
-   */
-  static CompilationUnit _parse(
-      Source source, String content, AnalysisOptions analysisOptions) {
-    AnalysisErrorListener errorListener = AnalysisErrorListener.NULL_LISTENER;
-
-    CharSequenceReader reader = new CharSequenceReader(content);
-    Scanner scanner = new Scanner(source, reader, errorListener);
-    scanner.scanGenericMethodComments = analysisOptions.strongMode;
-    Token token = scanner.tokenize();
-    LineInfo lineInfo = new LineInfo(scanner.lineStarts);
-
-    Parser parser = new Parser(source, errorListener);
-    parser.parseGenericMethodComments = analysisOptions.strongMode;
-    CompilationUnit unit = parser.parseCompilationUnit(token);
-    unit.lineInfo = lineInfo;
-    return unit;
-  }
 }
 
 /**
  * Information about known file system state.
  */
 class FileSystemState {
   final PerformanceLog _logger;
   final ResourceProvider _resourceProvider;
   final ByteStore _byteStore;
   final FileContentOverlay _contentOverlay;
@@ skipping 89 matching lines @@
     FileState canonicalFile = getFileForPath(path);
     List<FileState> allFiles = _pathToFiles[path].toList();
     if (allFiles.length == 1) {
       return allFiles;
     }
     return allFiles
       ..remove(canonicalFile)
       ..insert(0, canonicalFile);
   }
 }