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comparison jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotUnresolvedJavaType.java @ 22672:1bbd4a7c274b

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Rename jdk.internal.jvmci to jdk.vm.ci
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Thu, 08 Oct 2015 17:28:41 -0700
parents jvmci/jdk.internal.jvmci.hotspot/src/jdk/internal/jvmci/hotspot/HotSpotUnresolvedJavaType.java@ed53e370f04c
children
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22671:97f30e4d0e95 22672:1bbd4a7c274b
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 jdk.vm.ci.hotspot;
24
25 import jdk.vm.ci.meta.JavaKind;
26 import jdk.vm.ci.meta.JavaType;
27 import jdk.vm.ci.meta.ResolvedJavaType;
28
29 /**
30 * Implementation of {@link JavaType} for unresolved HotSpot classes.
31 */
32 final class HotSpotUnresolvedJavaType extends HotSpotJavaType {
33
34 private final HotSpotJVMCIRuntimeProvider runtime;
35
36 private HotSpotUnresolvedJavaType(String name, HotSpotJVMCIRuntimeProvider runtime) {
37 super(name);
38 assert name.charAt(0) == '[' || name.charAt(name.length() - 1) == ';' : name;
39 this.runtime = runtime;
40 }
41
42 /**
43 * Creates an unresolved type for a valid {@link JavaType#getName() type name}.
44 */
45 static HotSpotUnresolvedJavaType create(HotSpotJVMCIRuntimeProvider runtime, String name) {
46 return new HotSpotUnresolvedJavaType(name, runtime);
47 }
48
49 @Override
50 public JavaType getComponentType() {
51 assert getName().charAt(0) == '[' : "no array class" + getName();
52 return new HotSpotUnresolvedJavaType(getName().substring(1), runtime);
53 }
54
55 @Override
56 public JavaType getArrayClass() {
57 return new HotSpotUnresolvedJavaType('[' + getName(), runtime);
58 }
59
60 @Override
61 public JavaKind getJavaKind() {
62 return JavaKind.Object;
63 }
64
65 @Override
66 public int hashCode() {
67 return getName().hashCode();
68 }
69
70 @Override
71 public boolean equals(Object obj) {
72 if (this == obj) {
73 return true;
74 }
75 if (obj == null || !(obj instanceof HotSpotUnresolvedJavaType)) {
76 return false;
77 }
78 HotSpotUnresolvedJavaType that = (HotSpotUnresolvedJavaType) obj;
79 return this.getName().equals(that.getName());
80 }
81
82 @Override
83 public String toString() {
84 return "HotSpotType<" + getName() + ", unresolved>";
85 }
86
87 @Override
88 public ResolvedJavaType resolve(ResolvedJavaType accessingClass) {
89 return (ResolvedJavaType) runtime.lookupType(getName(), (HotSpotResolvedObjectType) accessingClass, true);
90 }
91
92 /**
93 * Try to find a loaded version of this class.
94 *
95 * @param accessingClass
96 * @return the resolved class or null.
97 */
98 ResolvedJavaType reresolve(HotSpotResolvedObjectType accessingClass) {
99 JavaType type = runtime.lookupType(getName(), accessingClass, false);
100 if (type instanceof ResolvedJavaType) {
101 return (ResolvedJavaType) type;
102 }
103 return null;
104 }
105 }