Add JsInitializerGenerator

lib/src/transformer/dart_initializer_generator.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 js.transformer.js_initializer_generator;
+library js.transformer.dart_initializer_generator;
 
 import 'package:js/src/js_elements.dart';
 import 'package:logging/logging.dart';
 import 'package:quiver/iterables.dart';
 
-final _logger = new Logger('js.transformer.js_initializer_generator');
+final _logger = new Logger('js.transformer.dart_initializer_generator');
 
 const JS_PREFIX = '__package_js_impl__';
 const JS_THIS_REF = '__js_this_ref__';
 
-class JsInitializerGenerator {
+class DartInitializerGenerator {
   final String libraryName;
   final String libraryPath;
   final JsElements jsElements;
 
   final buffer = new StringBuffer();
 
-  JsInitializerGenerator(this.libraryName, this.libraryPath, this.jsElements);
+  DartInitializerGenerator(this.libraryName, this.libraryPath, this.jsElements);
 
   /**
    * Returns the transformed source.
    */
   String generate() {
     buffer.write(
 '''
 library ${libraryName}__init_js__;
 
 import 'dart:js' as js;
@@ skipping 80 matching lines @@
     } else if (e is ExportedField) {
       _generateField(e);
     }
   }
 
   void _generateConstructor(ExportedConstructor c) {
     var constructorName = c.name == '' ? '_new' : '_new_${c.name}';
     var dartParameters = _getDartParameters(c.parameters);
     var jsParameters = _getJsParameters(c.parameters);
     var namedPart = c.name == '' ? '' : '.${c.name}';
-    buffer.writeln("  print('exporting constructor: ${constructorName}');");
     buffer.writeln("  constructor['$constructorName'] = ($jsParameters) => "
         "new ${c.parent.name}$namedPart($dartParameters);");
   }
 
   void _generateMethod(ExportedMethod c) {
     var dartParameters = _getDartParameters(c.parameters);
     var jsParameters = _getJsParameters(c.parameters, withThis: true);
     buffer.write(
 '''
 
@@ skipping 56 matching lines @@
     var dartParameters = concat([
             requiredParameters,
             positionalParameters,
             dartNamedParameters])
         .join(', ');
 
     return dartParameters;
   }
 
 }