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Java > Open Source Codes > org > jruby > RubyContinuation


1 /***** BEGIN LICENSE BLOCK *****
2  * Version: CPL 1.0/GPL 2.0/LGPL 2.1
3  *
4  * The contents of this file are subject to the Common Public
5  * License Version 1.0 (the "License"); you may not use this file
6  * except in compliance with the License. You may obtain a copy of
7  * the License at http://www.eclipse.org/legal/cpl-v10.html
8  *
9  * Software distributed under the License is distributed on an "AS
10  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
11  * implied. See the License for the specific language governing
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13  *
14  * Copyright (C) 2007 Ola Bini <ola@ologix.com>
15  *
16  * Alternatively, the contents of this file may be used under the terms of
17  * either of the GNU General Public License Version 2 or later (the "GPL"),
18  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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28 package org.jruby;
29
30 import org.jruby.runtime.Block;
31 import org.jruby.runtime.CallbackFactory;
32 import org.jruby.runtime.builtin.IRubyObject;
33
34 /**
35  * Placeholder until/if we can support this
36  *
37  * @author <a HREF="mailto:ola.bini@ki.se">Ola Bini</a>
38  */
39 public class RubyContinuation {
40     public static void createContinuation(Ruby runtime) {
41         RubyModule cContinuation = runtime.defineClass("Continuation",runtime.getObject(),runtime.getObject().getAllocator());
42         CallbackFactory cf = runtime.callbackFactory(RubyContinuation.class);
43         cContinuation.defineMethod("call", cf.getOptSingletonMethod("call"));
44         cContinuation.defineAlias("[]","call");
45     }
46
47     public static IRubyObject call(IRubyObject recv, IRubyObject[] args, Block unusedBlock) {
48         recv.getRuntime().getWarnings().warn("Continuation#call: Continuations are not implemented in JRuby and will not work");
49         return recv.getRuntime().getNil();
50     }
51 }// RubyContinuation
52
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