Mercurial > hg > graal-compiler
comparison graal/Compiler/src/com/sun/c1x/ir/ResolveClass.java @ 2507:9ec15d6914ca
Pull over of compiler from maxine repository.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:43:22 +0200 |
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2506:4a3bf8a5bf41 | 2507:9ec15d6914ca |
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1 /* | |
2 * Copyright (c) 2009, 2011, 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. | |
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 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 package com.sun.c1x.ir; | |
24 | |
25 import com.sun.c1x.debug.*; | |
26 import com.sun.c1x.value.*; | |
27 import com.sun.cri.ci.*; | |
28 import com.sun.cri.ri.*; | |
29 | |
30 /** | |
31 * An instruction that represents the runtime resolution of a Java class object. For example, an | |
32 * ldc of a class constant that is unresolved. | |
33 * | |
34 * @author Ben L. Titzer | |
35 * @author Thomas Wuerthinger | |
36 */ | |
37 public final class ResolveClass extends StateSplit { | |
38 | |
39 public final RiType type; | |
40 public final RiType.Representation portion; | |
41 | |
42 public ResolveClass(RiType type, RiType.Representation r, FrameState stateBefore) { | |
43 super(type.getRepresentationKind(r), stateBefore); | |
44 this.portion = r; | |
45 this.type = type; | |
46 setFlag(Flag.NonNull); | |
47 } | |
48 | |
49 @Override | |
50 public void accept(ValueVisitor v) { | |
51 v.visitResolveClass(this); | |
52 } | |
53 | |
54 @Override | |
55 public boolean canTrap() { | |
56 return true; | |
57 } | |
58 | |
59 @Override | |
60 public int valueNumber() { | |
61 return 0x50000000 | type.hashCode(); | |
62 } | |
63 | |
64 @Override | |
65 public boolean valueEqual(Instruction x) { | |
66 if (x instanceof ResolveClass) { | |
67 ResolveClass r = (ResolveClass) x; | |
68 return r.portion == portion && r.type.equals(type); | |
69 } | |
70 return false; | |
71 } | |
72 | |
73 @Override | |
74 public String toString() { | |
75 return super.toString() + "(type: " + type + ", portion: " + portion + ")"; | |
76 } | |
77 | |
78 @Override | |
79 public void print(LogStream out) { | |
80 out.print("resolve[").print(CiUtil.toJavaName(type)).print("-" + portion + "]"); | |
81 } | |
82 | |
83 } |