1 /*
   2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.codemodel.internal;
  27 
  28 
  29 /**
  30  * While statement
  31  */
  32 
  33 public class JWhileLoop implements JStatement {
  34 
  35     /**
  36      * Test part of While statement for determining exit state
  37      */
  38     private JExpression test;
  39 
  40     /**
  41      * JBlock of statements which makes up body of this While statement
  42      */
  43     private JBlock body = null;
  44 
  45     /**
  46      * Construct a While statment
  47      */
  48     JWhileLoop(JExpression test) {
  49         this.test = test;
  50     }
  51 
  52     public JExpression test() {
  53         return test;
  54     }
  55 
  56     public JBlock body() {
  57         if (body == null) body = new JBlock();
  58         return body;
  59     }
  60 
  61     public void state(JFormatter f) {
  62         if (JOp.hasTopOp(test)) {
  63             f.p("while ").g(test);
  64         } else {
  65             f.p("while (").g(test).p(')');
  66         }
  67         if (body != null)
  68             f.s(body);
  69         else
  70             f.p(';').nl();
  71     }
  72 
  73 }