Mercurial > hg > graal-compiler
view graal/GraalRuntime/src/com/oracle/graal/runtime/HotSpotTypeResolvedImpl.java @ 2509:16b9a8b5ad39
Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 27 Apr 2011 11:50:44 +0200 |
parents | graal/Runtime/src/com/oracle/graal/runtime/HotSpotTypeResolvedImpl.java@6bc5ec0255df |
children | f6125fb5bfbc |
line wrap: on
line source
/* * 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.runtime; import java.lang.reflect.*; import java.util.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * Implementation of RiType for resolved non-primitive HotSpot classes. */ public final class HotSpotTypeResolvedImpl extends HotSpotType implements HotSpotTypeResolved { private Class javaMirror; private String simpleName; private int accessFlags; private boolean hasFinalizer; private boolean hasSubclass; private boolean hasFinalizableSubclass; private boolean isInitialized; private boolean isArrayClass; private boolean isInstanceClass; private boolean isInterface; private int instanceSize; private RiType componentType; private HashMap<Long, RiField> fieldCache; private RiConstantPool pool; private HotSpotTypeResolvedImpl() { super(null); } @Override public int accessFlags() { return accessFlags; } @Override public RiType arrayOf() { return compiler.getVMEntries().RiType_arrayOf(this); } @Override public RiType componentType() { return compiler.getVMEntries().RiType_componentType(this); } @Override public RiType uniqueConcreteSubtype() { return compiler.getVMEntries().RiType_uniqueConcreteSubtype(this); } @Override public RiType superType() { return compiler.getVMEntries().RiType_superType(this); } @Override public RiType exactType() { if (Modifier.isFinal(accessFlags)) { return this; } return null; } @Override public CiConstant getEncoding(Representation r) { switch (r) { case JavaClass: return CiConstant.forObject(javaClass()); case ObjectHub: return CiConstant.forObject(this); case StaticFields: return CiConstant.forObject(javaClass()); case TypeInfo: return CiConstant.forObject(this); default: return null; } } @Override public CiKind getRepresentationKind(Representation r) { return CiKind.Object; } @Override public boolean hasFinalizableSubclass() { return hasFinalizableSubclass; } @Override public boolean hasFinalizer() { return hasFinalizer; } @Override public boolean hasSubclass() { return hasSubclass; } @Override public boolean isArrayClass() { return isArrayClass; } @Override public boolean isInitialized() { return isInitialized; } @Override public boolean isInstance(CiConstant obj) { return javaMirror.isInstance(obj); } @Override public boolean isInstanceClass() { return isInstanceClass; } @Override public boolean isInterface() { return isInterface; } @Override public boolean isResolved() { return true; } @Override public boolean isSubtypeOf(RiType other) { if (other instanceof HotSpotTypeResolved) { return compiler.getVMEntries().RiType_isSubtypeOf(this, other); } // No resolved type is a subtype of an unresolved type. return false; } @Override public Class<?> javaClass() { return javaMirror; } @Override public CiKind kind() { return CiKind.Object; } @Override public RiMethod resolveMethodImpl(RiMethod method) { assert method instanceof HotSpotMethod; return compiler.getVMEntries().RiType_resolveMethodImpl(this, method.name(), method.signature().asString()); } @Override public String toString() { return "HotSpotType<" + simpleName + ", resolved>"; } @Override public RiConstantPool constantPool() { // TODO: Implement constant pool without the need for VmId and cache the constant pool. return compiler.getVMEntries().RiType_constantPool(this); } @Override public int instanceSize() { return instanceSize; } @Override public RiField createRiField(String name, RiType type, int offset, int flags) { RiField result = null; long id = offset + ((long) flags << 32); // (tw) Must cache the fields, because the local load elimination only works if the objects from two field lookups are equal. if (fieldCache == null) { fieldCache = new HashMap<Long, RiField>(8); } else { result = fieldCache.get(id); } if (result == null) { result = new HotSpotField(compiler, this, name, type, offset, flags); fieldCache.put(id, result); } else { assert result.name().equals(name); assert result.accessFlags() == flags; } return result; } }