Move ChangeBuilder to analyzer_plugin

pkg/analyzer_plugin/lib/src/utilities/change_builder/change_builder_dart.dart

-// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2017, 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:async';
 
 import 'package:analysis_server/protocol/protocol_generated.dart'
     hide Element, ElementKind;
-import 'package:analysis_server/src/provisional/edit/utilities/change_builder_core.dart';
-import 'package:analysis_server/src/provisional/edit/utilities/change_builder_dart.dart';
 import 'package:analysis_server/src/services/correction/name_suggestion.dart';
 import 'package:analysis_server/src/services/correction/source_range.dart';
 import 'package:analysis_server/src/services/correction/util.dart';
-import 'package:analysis_server/src/utilities/change_builder_core.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/dart/analysis/driver.dart';
 import 'package:analyzer/src/dart/ast/utilities.dart';
-import 'package:analyzer/src/generated/engine.dart' hide AnalysisResult;
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/utilities_dart.dart';
+import 'package:analyzer_plugin/src/utilities/change_builder/change_builder_core.dart';
+import 'package:analyzer_plugin/utilities/change_builder/change_builder_core.dart';
+import 'package:analyzer_plugin/utilities/change_builder/change_builder_dart.dart';
 
 /**
  * A [ChangeBuilder] used to build changes in Dart files.
  */
 class DartChangeBuilderImpl extends ChangeBuilderImpl
     implements DartChangeBuilder {
   /**
    * The analysis driver in which the files being edited were analyzed.
    */
   final AnalysisDriver driver;
@@ skipping 731 matching lines @@
    * The compilation unit to which the code will be added.
    */
   CompilationUnit unit;
 
   /**
    * A set containing the sources of the libraries that need to be imported in
    * order to make visible the names used in generated code.
    */
   Set<Source> librariesToImport = new Set<Source>();
 
-  /**
-   * The content of the file being edited.
-   */
-  String _content;
+//  /**
+//   * The content of the file being edited.
+//   */
+//  String _content;
 
   /**
    * Initialize a newly created builder to build a source file edit within the
    * change being built by the given [changeBuilder]. The file being edited has
    * the given [source] and [timeStamp], and the given fully resolved [unit].
    */
   DartFileEditBuilderImpl(DartChangeBuilderImpl changeBuilder, String path,
       int timeStamp, this.unit)
       : super(changeBuilder, path, timeStamp);
 
@@ skipping 14 matching lines @@
   DartEditBuilderImpl createEditBuilder(int offset, int length) {
     return new DartEditBuilderImpl(this, offset, length);
   }
 
   @override
   void finalize() {
     addLibraryImports(
         changeBuilder.sourceChange, unit.element.library, librariesToImport);
   }
 
-  /**
-   * Return the content of the file being edited.
-   */
-  String getContent() {
-    if (_content == null) {
-      CompilationUnitElement unitElement = unit.element;
-      AnalysisContext context = unitElement.context;
-      if (context == null) {
-        throw new CancelCorrectionException();
-      }
-      _content = context.getContents(unitElement.source).data;
-    }
-    return _content;
-  }
+//  /**
+//   * Return the content of the file being edited.
+//   */
+//  String getContent() {
+//    if (_content == null) {
+//      CompilationUnitElement unitElement = unit.element;
+//      AnalysisContext context = unitElement.context;
+//      if (context == null) {
+//        throw new CancelCorrectionException();
+//      }
+//      _content = context.getContents(unitElement.source).data;
+//    }
+//    return _content;
+//  }
 
   @override
   void importLibraries(Iterable<Source> libraries) {
     librariesToImport.addAll(libraries);
   }
 
   @override
   void replaceTypeWithFuture(
       TypeAnnotation typeAnnotation, TypeProvider typeProvider) {
     InterfaceType futureType = typeProvider.futureType;
     //
     // Check whether the type needs to be replaced.
     //
     DartType type = typeAnnotation?.type;
     if (type == null ||
         type.isDynamic ||
         type is InterfaceType && type.element == futureType.element) {
       return;
     }
     futureType = futureType.instantiate(<DartType>[type]);
     // prepare code for the types
     addReplacement(rangeNode(typeAnnotation), (EditBuilder builder) {
       if (!(builder as DartEditBuilder).writeType(futureType)) {
         builder.write('void');
       }
     });
   }
 
-  /**
-   * Returns the text of the given [AstNode] in the unit.
-   */
-  String _getNodeText(AstNode node) {
-    return _getText(node.offset, node.length);
-  }
-
-  /**
-   * Returns the text of the given range in the unit.
-   */
-  String _getText(int offset, int length) {
-    return getContent().substring(offset, offset + length);
-  }
+//  /**
+//   * Returns the text of the given [AstNode] in the unit.
+//   */
+//  String _getNodeText(AstNode node) {
+//    return _getText(node.offset, node.length);
+//  }
+//
+//  /**
+//   * Returns the text of the given range in the unit.
+//   */
+//  String _getText(int offset, int length) {
+//    return getContent().substring(offset, offset + length);
+//  }
 
   /**
    * Create an edit to replace the return type of the innermost function
    * containing the given [node] with the type `Future`. The [typeProvider] is
    * used to check the current return type, because if it is already `Future` no
    * edit will be added.
    */
   void _replaceReturnTypeWithFuture(AstNode node, TypeProvider typeProvider) {
     while (node != null) {
       node = node.parent;
@@ skipping 55 matching lines @@
         enclosingExecutable = node.element;
       } else if (node is MethodDeclaration) {
         enclosingExecutable = node.element;
       } else if (node is FunctionDeclaration) {
         enclosingExecutable = node.element;
       }
       node = node.parent;
     }
   }
 }