Initial cut at generating the AnalysisServer.java interface. Currently this generates a commented o…

pkg/analysis_server/tool/spec/codegen_tools.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.
 
 /**
  * Tools for code generation.
  */
 library codegen.tools;
 
 import 'package:html5lib/dom.dart' as dom;
@@ skipping 88 matching lines @@
    * Measure the width of the current indentation level.
    */
   int get indentWidth => _state.nextIndent.length;
 
   /**
    * Generate a doc comment based on the HTML in [docs].
    *
    * If [javadocStyle] is true, then the output is compatable with Javadoc,
    * which understands certain HTML constructs.
    */
-  void docComment(List<dom.Node> docs, bool javadocStyle) {
+  void docComment(List<dom.Node> docs, {int width: 79, bool javadocStyle: false}) {
     writeln('/**');
     indentBy(' * ', () {
-      write(nodesToText(docs, 79 - _state.indent.length, javadocStyle));
+      write(nodesToText(docs, width - _state.indent.length, javadocStyle));
     });
     writeln(' */');
   }
 
-  void outputHeader() {
-    String header =
-        '''
+  void outputHeader({bool javaStyle: false}) {
+    String header;
+    if(javaStyle) {
+      header = '''
+/*
+ * Copyright (c) 2014, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ * 
+ * This file has been automatically generated.  Please do not edit it manually.
+ * To regenerate the file, use the script "pkg/analysis_server/spec/generate_files".
+ */''';
+    }
+    else {
+      header = '''
 // 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.
 //
 // This file has been automatically generated.  Please do not edit it manually.
 // To regenerate the file, use the script
 // "pkg/analysis_server/spec/generate_files".
 ''';
+    }
     writeln(header.trim());
-    writeln();
   }
 }
 
 /**
  * State used by [CodeGenerator].
  */
 class _CodeGeneratorState {
   StringBuffer buffer = new StringBuffer();
   String nextIndent = '';
   String indent = '';
@@ skipping 123 matching lines @@
     if (lines.last.isEmpty) {
       lines.removeLast();
       buffer.add(new dom.Text(lines.join('\n$indent') + '\n'));
       indentNeeded = true;
     } else {
       buffer.add(new dom.Text(lines.join('\n$indent')));
       indentNeeded = false;
     }
   }
 }