Mercurial > hg > truffle
comparison graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotUnresolvedJavaType.java @ 21551:5324104ac4f3
moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 26 May 2015 17:13:37 +0200 |
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21550:f48a6cea31eb | 21551:5324104ac4f3 |
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1 /* | |
2 * Copyright (c) 2011, 2015, 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.oracle.jvmci.hotspot; | |
24 | |
25 import com.oracle.graal.api.meta.*; | |
26 | |
27 /** | |
28 * Implementation of {@link JavaType} for unresolved HotSpot classes. | |
29 */ | |
30 public class HotSpotUnresolvedJavaType extends HotSpotJavaType { | |
31 | |
32 private final HotSpotJVMCIRuntimeProvider runtime; | |
33 | |
34 public HotSpotUnresolvedJavaType(String name, HotSpotJVMCIRuntimeProvider runtime) { | |
35 super(name); | |
36 assert name.charAt(0) == '[' || name.charAt(name.length() - 1) == ';' : name; | |
37 this.runtime = runtime; | |
38 } | |
39 | |
40 /** | |
41 * Creates an unresolved type for a valid {@link JavaType#getName() type name}. | |
42 */ | |
43 public static HotSpotUnresolvedJavaType create(HotSpotJVMCIRuntimeProvider runtime, String name) { | |
44 return new HotSpotUnresolvedJavaType(name, runtime); | |
45 } | |
46 | |
47 @Override | |
48 public JavaType getComponentType() { | |
49 assert getName().charAt(0) == '[' : "no array class" + getName(); | |
50 return new HotSpotUnresolvedJavaType(getName().substring(1), runtime); | |
51 } | |
52 | |
53 @Override | |
54 public JavaType getArrayClass() { | |
55 return new HotSpotUnresolvedJavaType('[' + getName(), runtime); | |
56 } | |
57 | |
58 @Override | |
59 public Kind getKind() { | |
60 return Kind.Object; | |
61 } | |
62 | |
63 @Override | |
64 public int hashCode() { | |
65 return getName().hashCode(); | |
66 } | |
67 | |
68 @Override | |
69 public boolean equals(Object obj) { | |
70 if (this == obj) { | |
71 return true; | |
72 } | |
73 if (obj == null || !(obj instanceof HotSpotUnresolvedJavaType)) { | |
74 return false; | |
75 } | |
76 HotSpotUnresolvedJavaType that = (HotSpotUnresolvedJavaType) obj; | |
77 return this.getName().equals(that.getName()); | |
78 } | |
79 | |
80 @Override | |
81 public String toString() { | |
82 return "HotSpotType<" + getName() + ", unresolved>"; | |
83 } | |
84 | |
85 @Override | |
86 public ResolvedJavaType resolve(ResolvedJavaType accessingClass) { | |
87 return (ResolvedJavaType) runtime.lookupType(getName(), (HotSpotResolvedObjectType) accessingClass, true); | |
88 } | |
89 | |
90 /** | |
91 * Try to find a loaded version of this class. | |
92 * | |
93 * @param accessingClass | |
94 * @return the resolved class or null. | |
95 */ | |
96 ResolvedJavaType reresolve(HotSpotResolvedObjectType accessingClass) { | |
97 JavaType type = runtime.lookupType(getName(), accessingClass, false); | |
98 if (type instanceof ResolvedJavaType) { | |
99 return (ResolvedJavaType) type; | |
100 } | |
101 return null; | |
102 } | |
103 } |