Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/runtime/VMObjectFactory.java @ 13705:ac5b0f31f7a2
Truffle API-change: FrameDescriptors are now stored in the RootNode in a final field instead of the CallTarget.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 17 Jan 2014 17:06:08 +0100 |
parents | da91efe96a93 |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 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. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.runtime; | |
26 | |
27 import java.lang.reflect.*; | |
28 import sun.jvm.hotspot.debugger.*; | |
29 import sun.jvm.hotspot.types.*; | |
30 | |
31 /** <P> This class implements a factory mechanism for the objects | |
32 created to wrap Addresses. It requires that the class passed in | |
33 implement a constructor taking with the following signature: </P> | |
34 | |
35 <P> | |
36 <CODE> public <Type>(sun.jvm.hotspot.Address) | |
37 </CODE> | |
38 </P> | |
39 | |
40 <P> It is used to write shorter code when wrapping Addresses since | |
41 null checks are no longer necessary. In addition, it is a central | |
42 location where a canonicalizing map could be implemented if one | |
43 were desired (though the current system is designed to not require | |
44 one.) </P> | |
45 */ | |
46 | |
47 public class VMObjectFactory { | |
48 public static Object newObject(Class clazz, Address addr) | |
49 throws ConstructionException { | |
50 try { | |
51 if (addr == null) { | |
52 return null; | |
53 } | |
54 | |
55 Constructor c = clazz.getConstructor(new Class[] { | |
56 Address.class | |
57 }); | |
58 return c.newInstance(new Object[] { addr }); | |
59 } | |
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60 catch (java.lang.reflect.InvocationTargetException ite) { |
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61 if (ite.getTargetException() instanceof RuntimeException) { |
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62 throw (RuntimeException)ite.getTargetException(); |
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63 } |
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64 throw new ConstructionException(ite); |
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65 } |
0 | 66 catch (Exception e) { |
67 throw new ConstructionException(e); | |
68 } | |
69 } | |
70 } |