Add SourceFileEdit.time field.

pkg/analysis_server/tool/spec/codegen_dart_protocol.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 codegen.protocol;
 
 import 'dart:convert';
 
 import 'api.dart';
 import 'codegen_tools.dart';
@@ skipping 183 matching lines @@
   };
 
   /**
    * Class members for which the constructor argument should be optional, even
    * if the member is not an optional part of the protocol.  For list types,
    * the constructor will default the member to the empty list.
    */
   static const Map<String, List<String>> _optionalConstructorArguments = const {
     'AnalysisErrorFixes': const ['fixes'],
     'SourceChange': const ['edits', 'linkedEditGroups'],
-    'SourceFileEdit': const ['edits'],
+    'SourceFileEdit': const ['time', 'edits'],
     'TypeHierarchyItem': const ['interfaces', 'mixins', 'subclasses'],
   };
 
   /**
    * Visitor used to produce doc comments.
    */
   final ToHtmlVisitor toHtmlVisitor;
 
   /**
    * Types implied by the API.  This includes types explicitly named in the
@@ skipping 401 matching lines @@
         TypeDecl fieldType = field.type;
         if (fieldType is TypeList) {
           extraInitCode.add(() {
             writeln('if (${field.name} == null) {');
             indent(() {
               writeln('${field.name} = <${dartType(fieldType.itemType)}>[];');
             });
             writeln('}');
           });
         }
+        if (className == 'SourceFileEdit' && field.name == 'time') {
+          extraInitCode.add(() {
+            writeln('if (${field.name} == null) {');
+            indent(() {
+              writeln('${field.name} = new DateTime.now().millisecondsSinceEpoch;');
+            });
+            writeln('}');
+          });
+        }
       } else {
         args.add(arg);
       }
     }
     if (optionalArgs.isNotEmpty) {
       args.add('{${optionalArgs.join(', ')}}');
     }
     write('$className(${args.join(', ')})');
     if (extraInitCode.isEmpty) {
       writeln(';');
@@ skipping 665 matching lines @@
   CodegenProtocolVisitor visitor = new CodegenProtocolVisitor(readApi());
   return visitor.collectCode(visitor.visitApi);
 });
 
 /**
  * Translate spec_input.html into protocol_matchers.dart.
  */
 main() {
   target.generate();
 }