| // Copyright (c) 2011, 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. |
| |
| package com.google.dart.compiler.ast; |
| |
| /** |
| * Represents a Dart 'null' literal value. |
| */ |
| public class DartNullLiteral extends DartLiteral { |
| |
| public static DartNullLiteral get() { |
| return new DartNullLiteral(); |
| } |
| |
| private DartNullLiteral() { |
| } |
| |
| @Override |
| public void visitChildren(ASTVisitor<?> visitor) { |
| } |
| |
| @Override |
| public <R> R accept(ASTVisitor<R> visitor) { |
| return visitor.visitNullLiteral(this); |
| } |
| } |