Steps towards making dart2js JS AST templates an indepentent library.

pkg/compiler/lib/src/js/nodes.dart

 // Copyright (c) 2012, 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.
 
 part of js;
 
 abstract class NodeVisitor<T> {
   T visitProgram(Program node);
 
   T visitBlock(Block node);
@@ skipping 504 matching lines @@
   final String code;
 
   LiteralStatement(this.code);
 
   accept(NodeVisitor visitor) => visitor.visitLiteralStatement(this);
   void visitChildren(NodeVisitor visitor) { }
 
   LiteralStatement _clone() => new LiteralStatement(code);
 }
 
-// Not a real javascript node, but represents the yield statement from a dart
-// program translated to javascript.
+// Not a real JavaScript node, but represents the yield statement from a dart
+// program translated to JavaScript.
 class DartYield extends Statement {
   final Expression expression;
 
   final bool hasStar;
 
   DartYield(this.expression, this.hasStar);
 
   accept(NodeVisitor visitor) => visitor.visitDartYield(this);
 
   void visitChildren(NodeVisitor visitor) {
@@ skipping 583 matching lines @@
   accept(NodeVisitor visitor) => visitor.visitRegExpLiteral(this);
   void visitChildren(NodeVisitor visitor) {}
   RegExpLiteral _clone() => new RegExpLiteral(pattern);
 
   int get precedenceLevel => PRIMARY;
 }
 
 /**
  * An asynchronous await.
  *
- * Not part of javascript. We desugar this expression before outputting.
+ * Not part of JavaScript. We desugar this expression before outputting.
  * Should only occur in a [Fun] with `asyncModifier` async or asyncStar.
  */
 class Await extends Expression {
   /** The awaited expression. */
   final Expression expression;
 
   Await(this.expression);
 
   int get precedenceLevel => UNARY;
   accept(NodeVisitor visitor) => visitor.visitAwait(this);
@@ skipping 11 matching lines @@
 class Comment extends Statement {
   final String comment;
 
   Comment(this.comment);
 
   accept(NodeVisitor visitor) => visitor.visitComment(this);
   Comment _clone() => new Comment(comment);
 
   void visitChildren(NodeVisitor visitor) {}
 }