Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotResolvedJavaType.java @ 6539:2463eb24b644
Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Tue, 09 Oct 2012 15:23:38 -0700 |
parents | c96407df35ea |
children | 15e04f248d6b |
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/* * Copyright (c) 2011, 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 com.oracle.graal.hotspot.meta; import java.lang.annotation.*; import java.lang.reflect.*; import java.util.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.hotspot.*; /** * Implementation of {@link JavaType} for resolved non-primitive HotSpot classes. */ public final class HotSpotResolvedJavaType extends HotSpotJavaType implements ResolvedJavaType { private static final long serialVersionUID = 3481514353553840471L; private Class javaMirror; private String simpleName; private int accessFlags; private boolean hasFinalizer; private boolean hasFinalizableSubclass; private int superCheckOffset; private boolean isArrayClass; private boolean isInstanceClass; private boolean isInterface; private int instanceSize; private HashMap<Long, ResolvedJavaField> fieldCache; private ResolvedJavaType superType; private boolean superTypeSet; private ResolvedJavaField[] fields; private ConstantPool constantPool; private boolean isInitialized; private ResolvedJavaType arrayOfType; private HotSpotResolvedJavaType() { throw new GraalInternalError(HotSpotResolvedJavaType.class + " should only be created from C++ code"); } @Override public int getModifiers() { return accessFlags; } @Override public ResolvedJavaType getArrayClass() { if (arrayOfType == null) { arrayOfType = (ResolvedJavaType) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_arrayOf(this); } return arrayOfType; } @Override public ResolvedJavaType getComponentType() { if (isArrayClass) { return (ResolvedJavaType) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_componentType(this); } return null; } @Override public ResolvedJavaType findUniqueConcreteSubtype() { if (isArrayClass()) { return Modifier.isFinal(getComponentType().getModifiers()) ? this : null; } else { ResolvedJavaType subtype = (ResolvedJavaType) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_uniqueConcreteSubtype(this); assert subtype == null || !subtype.isInterface(); return subtype; } } @Override public ResolvedJavaType getSuperclass() { if (!superTypeSet) { superType = (ResolvedJavaType) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_superType(this); superTypeSet = true; } return superType; } @Override public ResolvedJavaType findLeastCommonAncestor(ResolvedJavaType otherType) { if (otherType instanceof HotSpotTypePrimitive) { return null; } else { return (ResolvedJavaType) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_leastCommonAncestor(this, (HotSpotResolvedJavaType) otherType); } } @Override public ResolvedJavaType getExactType() { if (Modifier.isFinal(accessFlags)) { return this; } return null; } @Override public Constant getEncoding(Representation r) { switch (r) { case JavaClass: return Constant.forObject(javaMirror); case ObjectHub: return Constant.forObject(klassOop()); case StaticPrimitiveFields: case StaticObjectFields: return Constant.forObject(javaMirror); default: assert false : "Should not reach here."; return null; } } @Override public boolean hasFinalizableSubclass() { return hasFinalizableSubclass; } @Override public boolean hasFinalizer() { return hasFinalizer; } @Override public boolean isArrayClass() { return isArrayClass; } @Override public boolean isInitialized() { if (!isInitialized) { isInitialized = HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_isInitialized(this); } return isInitialized; } @Override public boolean isInstance(Constant obj) { return javaMirror.isInstance(obj); } @Override public boolean isInstanceClass() { return isInstanceClass; } @Override public boolean isInterface() { return isInterface; } @Override public boolean isSubtypeOf(ResolvedJavaType other) { if (other instanceof HotSpotResolvedJavaType) { return HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_isSubtypeOf(this, other); } // No resolved type is a subtype of an unresolved type. return false; } @Override public Kind getKind() { return Kind.Object; } @Override public ResolvedJavaMethod resolveMethod(ResolvedJavaMethod method) { assert method instanceof HotSpotMethod; return (ResolvedJavaMethod) HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_resolveMethodImpl(this, method.getName(), ((HotSpotSignature) method.getSignature()).asString()); } @Override public String toString() { return "HotSpotType<" + simpleName + ", resolved>"; } public ConstantPool constantPool() { if (constantPool == null) { constantPool = new HotSpotConstantPool(this); } return constantPool; } /** * Gets the instance size of this type. If an instance of this type cannot * be fast path allocated, then the returned value is negative (its absolute * value gives the size). */ public int instanceSize() { return instanceSize; } public synchronized ResolvedJavaField createField(String fieldName, JavaType type, int offset, int flags) { ResolvedJavaField result = null; long id = offset + ((long) flags << 32); // (thomaswue) Must cache the fields, because the local load elimination only works if the objects from two field lookups are identical. if (fieldCache == null) { fieldCache = new HashMap<>(8); } else { result = fieldCache.get(id); } if (result == null) { result = new HotSpotResolvedJavaField(this, fieldName, type, offset, flags); fieldCache.put(id, result); } else { assert result.getName().equals(fieldName); assert result.getModifiers() == flags; } return result; } @Override public ResolvedJavaMethod findUniqueConcreteMethod(ResolvedJavaMethod method) { return ((HotSpotResolvedJavaMethod) method).uniqueConcreteMethod(); } @Override public ResolvedJavaField[] getDeclaredFields() { if (fields == null) { if (isArrayClass) { fields = new ResolvedJavaField[0]; } else { fields = HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_fields(this); } } return fields; } @Override public Class< ? > toJava() { return javaMirror; } @Override public <T extends Annotation> T getAnnotation(Class<T> annotationClass) { return toJava().getAnnotation(annotationClass); } @Override public ResolvedJavaType resolve(ResolvedJavaType accessingClass) { return this; } // this value may require identity semantics so cache it private HotSpotKlassOop klassOopCache; @Override public synchronized HotSpotKlassOop klassOop() { if (klassOopCache == null) { klassOopCache = new HotSpotKlassOop(this); } return klassOopCache; } public boolean isPrimaryType() { return HotSpotGraalRuntime.getInstance().getConfig().secondarySuperCacheOffset != superCheckOffset; } public int superCheckOffset() { return superCheckOffset; } public long prototypeMarkWord() { return HotSpotGraalRuntime.getInstance().getCompilerToVM().JavaType_prototypeMarkWord(this); } }