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comparison graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotUnresolvedJavaType.java @ 21551:5324104ac4f3

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moved com.oracle.graal.hotspot.jvmci classes to com.oracle.jvmci.hotspot module (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Tue, 26 May 2015 17:13:37 +0200
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21550:f48a6cea31eb 21551:5324104ac4f3
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 }