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Java > Open Source Codes > com > google > gwt > dev > generator > ast > WhileLoop


1 /*
2  * Copyright 2007 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 package com.google.gwt.dev.generator.ast;
17
18 import java.util.List JavaDoc;
19
20 /**
21  * A Node that represents a Java <code>while</code> loop.
22  */
23 public class WhileLoop implements Statements {
24
25   private final StatementsList body = new StatementsList();
26
27   private final String JavaDoc test;
28
29   /**
30    * Creates a new <code>while</code> loop with <code>test</code> as the test
31    * {@link Expression}. The <code>WhileLoop</code> has an empty body.
32    *
33    * @param test A textual <code>boolean</code> {@link Expression}. Must not be
34    * <code>null</code>.
35    */
36   public WhileLoop(String JavaDoc test) {
37     this.test = test;
38   }
39
40   public List JavaDoc getStatements() {
41     return body.getStatements();
42   }
43
44   public String JavaDoc toCode() {
45     return "while ( " + test + " ) {\n" +
46         body.toCode() + "\n" +
47         "}\n";
48   }
49 }
50
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