'Inline Local' refactoring.

pkg/analysis_server/lib/src/services/correction/util.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 services.src.correction.util;
 
 import 'dart:math';
 
 import 'package:analysis_server/src/protocol.dart' show SourceEdit;
 import 'package:analysis_server/src/services/correction/source_range.dart';
@@ skipping 393 matching lines @@
    * [SourceRange] from [oldIndent] to [newIndent], keeping indentation of lines
    * relative to each other.
    */
   SourceEdit createIndentEdit(SourceRange range, String oldIndent,
       String newIndent) {
     String newSource = replaceSourceRangeIndent(range, oldIndent, newIndent);
     return new SourceEdit(range.offset, range.length, newSource);
   }
 
   /**
+   * Returns the [AstNode] that encloses the given offset.
+   */
+  AstNode findNode(int offset) => new NodeLocator.con1(offset).searchWithin(unit);
+
+  /**
    * Returns the actual type source of the given [Expression], may be `null`
    * if can not be resolved, should be treated as the `dynamic` type.
    */
   String getExpressionTypeSource(Expression expression) {
     if (expression == null) {
       return null;
     }
     DartType type = expression.bestType;
     if (type.isDynamic) {
       return null;
@@ skipping 849 matching lines @@
 
   @override
   Object visitExpression(Expression node) {
     if (node is BinaryExpression && node.operator.type == groupOperatorType) {
       return super.visitNode(node);
     }
     operands.add(node);
     return null;
   }
 }