Add an AST factory method for fieldDeclaration with all optional named parameters.

pkg/analyzer/lib/src/dart/ast/utilities.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 analyzer.src.dart.ast.utilities;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_ast_factory.dart';
@@ skipping 414 matching lines @@
       astFactory.expressionStatement(
           cloneNode(node.expression), cloneToken(node.semicolon));
 
   @override
   ExtendsClause visitExtendsClause(ExtendsClause node) =>
       astFactory.extendsClause(
           cloneToken(node.extendsKeyword), cloneNode(node.superclass));
 
   @override
   FieldDeclaration visitFieldDeclaration(FieldDeclaration node) =>
-      astFactory.fieldDeclaration(
-          cloneNode(node.documentationComment),
-          cloneNodeList(node.metadata),
-          cloneToken(node.staticKeyword),
-          cloneNode(node.fields),
-          cloneToken(node.semicolon));
+      astFactory.fieldDeclaration2(
+          comment: cloneNode(node.documentationComment),
+          metadata: cloneNodeList(node.metadata),
+          covariantKeyword: cloneToken(node.covariantKeyword),
+          staticKeyword: cloneToken(node.staticKeyword),
+          fieldList: cloneNode(node.fields),
+          semicolon: cloneToken(node.semicolon));
 
   @override
   FieldFormalParameter visitFieldFormalParameter(FieldFormalParameter node) =>
       astFactory.fieldFormalParameter2(
           comment: cloneNode(node.documentationComment),
           metadata: cloneNodeList(node.metadata),
           covariantKeyword: cloneToken(node.covariantKeyword),
           keyword: cloneToken(node.keyword),
           type: cloneNode(node.type),
           thisKeyword: cloneToken(node.thisKeyword),
@@ skipping 2713 matching lines @@
       astFactory.expressionStatement(
           _cloneNode(node.expression), _mapToken(node.semicolon));
 
   @override
   ExtendsClause visitExtendsClause(ExtendsClause node) =>
       astFactory.extendsClause(
           _mapToken(node.extendsKeyword), _cloneNode(node.superclass));
 
   @override
   FieldDeclaration visitFieldDeclaration(FieldDeclaration node) =>
-      astFactory.fieldDeclaration(
-          _cloneNode(node.documentationComment),
-          _cloneNodeList(node.metadata),
-          _mapToken(node.staticKeyword),
-          _cloneNode(node.fields),
-          _mapToken(node.semicolon));
+      astFactory.fieldDeclaration2(
+          comment: _cloneNode(node.documentationComment),
+          metadata: _cloneNodeList(node.metadata),
+          covariantKeyword: _mapToken(node.covariantKeyword),
+          staticKeyword: _mapToken(node.staticKeyword),
+          fieldList: _cloneNode(node.fields),
+          semicolon: _mapToken(node.semicolon));
 
   @override
   FieldFormalParameter visitFieldFormalParameter(FieldFormalParameter node) =>
       astFactory.fieldFormalParameter2(
           comment: _cloneNode(node.documentationComment),
           metadata: _cloneNodeList(node.metadata),
           covariantKeyword: _mapToken(node.covariantKeyword),
           keyword: _mapToken(node.keyword),
           type: _cloneNode(node.type),
           thisKeyword: _mapToken(node.thisKeyword),
@@ skipping 6179 matching lines @@
     if (node.star != null) {
       sink.write("yield* ");
     } else {
       sink.write("yield ");
     }
     safelyVisitNode(node.expression);
     sink.write(";");
     return null;
   }
 }