| /* |
| * Copyright (c) 2011, 2016, 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 static java.util.Objects.requireNonNull; |
| |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Array; |
| import java.lang.reflect.Modifier; |
| |
| import jdk.vm.ci.common.JVMCIError; |
| import jdk.vm.ci.meta.Assumptions.AssumptionResult; |
| import jdk.vm.ci.meta.JavaConstant; |
| import jdk.vm.ci.meta.JavaKind; |
| import jdk.vm.ci.meta.JavaType; |
| import jdk.vm.ci.meta.ResolvedJavaField; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import jdk.vm.ci.meta.ResolvedJavaType; |
| |
| /** |
| * Implementation of {@link JavaType} for primitive HotSpot types. |
| */ |
| public final class HotSpotResolvedPrimitiveType extends HotSpotResolvedJavaType { |
| |
| private final JavaKind kind; |
| |
| /** |
| * Creates the JVMCI mirror for a primitive {@link JavaKind}. |
| * |
| * <p> |
| * <b>NOTE</b>: Creating an instance of this class does not install the mirror for the |
| * {@link Class} type. Use {@link HotSpotJVMCIRuntime#fromClass(Class)} instead. |
| * </p> |
| * |
| * @param kind the Kind to create the mirror for |
| */ |
| HotSpotResolvedPrimitiveType(JavaKind kind) { |
| super(String.valueOf(kind.getTypeChar())); |
| this.kind = kind; |
| assert mirror().isPrimitive() : mirror() + " not a primitive type"; |
| } |
| |
| @Override |
| public int getModifiers() { |
| return Modifier.ABSTRACT | Modifier.FINAL | Modifier.PUBLIC; |
| } |
| |
| @Override |
| public HotSpotResolvedObjectTypeImpl getArrayClass() { |
| if (kind == JavaKind.Void) { |
| return null; |
| } |
| Class<?> javaArrayMirror = Array.newInstance(mirror(), 0).getClass(); |
| return HotSpotResolvedObjectTypeImpl.fromObjectClass(javaArrayMirror); |
| } |
| |
| @Override |
| public ResolvedJavaType getElementalType() { |
| return this; |
| } |
| |
| @Override |
| public ResolvedJavaType getComponentType() { |
| return null; |
| } |
| |
| @Override |
| public ResolvedJavaType getSuperclass() { |
| return null; |
| } |
| |
| @Override |
| public ResolvedJavaType[] getInterfaces() { |
| return new ResolvedJavaType[0]; |
| } |
| |
| @Override |
| public ResolvedJavaType getSingleImplementor() { |
| throw new JVMCIError("Cannot call getSingleImplementor() on a non-interface type: %s", this); |
| } |
| |
| @Override |
| public ResolvedJavaType findLeastCommonAncestor(ResolvedJavaType otherType) { |
| return null; |
| } |
| |
| @Override |
| public AssumptionResult<Boolean> hasFinalizableSubclass() { |
| return new AssumptionResult<>(false); |
| } |
| |
| @Override |
| public boolean hasFinalizer() { |
| return false; |
| } |
| |
| @Override |
| public boolean isArray() { |
| return false; |
| } |
| |
| @Override |
| public boolean isEnum() { |
| return false; |
| } |
| |
| @Override |
| public boolean isPrimitive() { |
| return true; |
| } |
| |
| @Override |
| public boolean isInitialized() { |
| return true; |
| } |
| |
| @Override |
| public boolean isLinked() { |
| return true; |
| } |
| |
| @Override |
| public boolean isInstance(JavaConstant obj) { |
| return false; |
| } |
| |
| @Override |
| public boolean isInstanceClass() { |
| return false; |
| } |
| |
| @Override |
| public boolean isInterface() { |
| return false; |
| } |
| |
| @Override |
| public boolean isAssignableFrom(ResolvedJavaType other) { |
| assert other != null; |
| return other.equals(this); |
| } |
| |
| @Override |
| public ResolvedJavaType getHostClass() { |
| return null; |
| } |
| |
| @Override |
| public JavaKind getJavaKind() { |
| return kind; |
| } |
| |
| @Override |
| public boolean isJavaLangObject() { |
| return false; |
| } |
| |
| @Override |
| public ResolvedJavaMethod resolveMethod(ResolvedJavaMethod method, ResolvedJavaType callerType) { |
| return null; |
| } |
| |
| @Override |
| public String toString() { |
| return "HotSpotResolvedPrimitiveType<" + kind + ">"; |
| } |
| |
| @Override |
| public AssumptionResult<ResolvedJavaType> findLeafConcreteSubtype() { |
| return new AssumptionResult<>(this); |
| } |
| |
| @Override |
| public AssumptionResult<ResolvedJavaMethod> findUniqueConcreteMethod(ResolvedJavaMethod method) { |
| return null; |
| } |
| |
| @Override |
| public ResolvedJavaField[] getInstanceFields(boolean includeSuperclasses) { |
| return new ResolvedJavaField[0]; |
| } |
| |
| @Override |
| public ResolvedJavaField[] getStaticFields() { |
| return new ResolvedJavaField[0]; |
| } |
| |
| @Override |
| public Annotation[] getAnnotations() { |
| return new Annotation[0]; |
| } |
| |
| @Override |
| public Annotation[] getDeclaredAnnotations() { |
| return new Annotation[0]; |
| } |
| |
| @Override |
| public <T extends Annotation> T getAnnotation(Class<T> annotationClass) { |
| return null; |
| } |
| |
| @Override |
| public ResolvedJavaType resolve(ResolvedJavaType accessingClass) { |
| requireNonNull(accessingClass); |
| return this; |
| } |
| |
| @Override |
| public void initialize() { |
| } |
| |
| @Override |
| public void link() { |
| } |
| |
| @Override |
| public boolean hasDefaultMethods() { |
| return false; |
| } |
| |
| @Override |
| public boolean declaresDefaultMethods() { |
| return false; |
| } |
| |
| @Override |
| public ResolvedJavaField findInstanceFieldWithOffset(long offset, JavaKind expectedType) { |
| return null; |
| } |
| |
| @Override |
| public String getSourceFileName() { |
| throw JVMCIError.unimplemented(); |
| } |
| |
| @Override |
| Class<?> mirror() { |
| return kind.toJavaClass(); |
| } |
| |
| @Override |
| public boolean isLocal() { |
| return false; |
| } |
| |
| @Override |
| public boolean isMember() { |
| return false; |
| } |
| |
| @Override |
| public ResolvedJavaType getEnclosingType() { |
| return null; |
| } |
| |
| @Override |
| public ResolvedJavaMethod[] getDeclaredConstructors() { |
| return new ResolvedJavaMethod[0]; |
| } |
| |
| @Override |
| public ResolvedJavaMethod[] getDeclaredMethods() { |
| return new ResolvedJavaMethod[0]; |
| } |
| |
| @Override |
| public ResolvedJavaMethod getClassInitializer() { |
| return null; |
| } |
| |
| @Override |
| public boolean isCloneableWithAllocation() { |
| return false; |
| } |
| } |