| /* |
| * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package jdk.vm.ci.hotspot; |
| |
| import jdk.vm.ci.meta.JavaKind; |
| import jdk.vm.ci.meta.JavaType; |
| import jdk.vm.ci.meta.ResolvedJavaType; |
| |
| /** |
| * Implementation of {@link JavaType} for unresolved HotSpot classes. |
| */ |
| final class HotSpotUnresolvedJavaType extends HotSpotJavaType { |
| |
| private final HotSpotJVMCIRuntimeProvider runtime; |
| |
| private HotSpotUnresolvedJavaType(String name, HotSpotJVMCIRuntimeProvider runtime) { |
| super(name); |
| assert name.charAt(0) == '[' || name.charAt(name.length() - 1) == ';' : name; |
| this.runtime = runtime; |
| } |
| |
| /** |
| * Creates an unresolved type for a valid {@link JavaType#getName() type name}. |
| */ |
| static HotSpotUnresolvedJavaType create(HotSpotJVMCIRuntimeProvider runtime, String name) { |
| return new HotSpotUnresolvedJavaType(name, runtime); |
| } |
| |
| @Override |
| public JavaType getComponentType() { |
| assert getName().charAt(0) == '[' : "no array class" + getName(); |
| return new HotSpotUnresolvedJavaType(getName().substring(1), runtime); |
| } |
| |
| @Override |
| public JavaType getArrayClass() { |
| return new HotSpotUnresolvedJavaType('[' + getName(), runtime); |
| } |
| |
| @Override |
| public JavaKind getJavaKind() { |
| return JavaKind.Object; |
| } |
| |
| @Override |
| public int hashCode() { |
| return getName().hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || !(obj instanceof HotSpotUnresolvedJavaType)) { |
| return false; |
| } |
| HotSpotUnresolvedJavaType that = (HotSpotUnresolvedJavaType) obj; |
| return this.getName().equals(that.getName()); |
| } |
| |
| @Override |
| public String toString() { |
| return "HotSpotType<" + getName() + ", unresolved>"; |
| } |
| |
| @Override |
| public ResolvedJavaType resolve(ResolvedJavaType accessingClass) { |
| return (ResolvedJavaType) runtime.lookupType(getName(), (HotSpotResolvedObjectType) accessingClass, true); |
| } |
| |
| /** |
| * Try to find a loaded version of this class. |
| * |
| * @param accessingClass |
| * @return the resolved class or null. |
| */ |
| ResolvedJavaType reresolve(HotSpotResolvedObjectType accessingClass) { |
| JavaType type = runtime.lookupType(getName(), accessingClass, false); |
| if (type instanceof ResolvedJavaType) { |
| return (ResolvedJavaType) type; |
| } |
| return null; |
| } |
| } |