Mercurial > hg > graal-compiler
view agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaFactoryImpl.java @ 2426:1d1603768966
7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: ohair
author | trims |
---|---|
date | Tue, 05 Apr 2011 14:12:31 -0700 |
parents | 63997f575155 |
children | da91efe96a93 |
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/* * Copyright (c) 2004, 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 sun.jvm.hotspot.utilities.soql; import java.lang.ref.*; import java.util.*; import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.utilities.*; public class JSJavaFactoryImpl implements JSJavaFactory { public JSJavaObject newJSJavaObject(Oop oop) { if (oop == null) return null; SoftReference sref = (SoftReference) om.get(oop); JSJavaObject res = (sref != null)? (JSJavaObject) sref.get() : null; if (res == null) { if (oop instanceof TypeArray) { res = new JSJavaTypeArray((TypeArray)oop, this); } else if (oop instanceof ObjArray) { res = new JSJavaObjArray((ObjArray)oop, this); } else if (oop instanceof Instance) { res = newJavaInstance((Instance) oop); } else if (oop instanceof Method) { res = new JSJavaMethod((Method) oop, this); } } if (res != null) { om.put(oop, new SoftReference(res)); } return res; } public JSJavaKlass newJSJavaKlass(Klass klass) { JSJavaKlass res = null; if (klass instanceof InstanceKlass) { res = new JSJavaInstanceKlass((InstanceKlass) klass, this); } else if (klass instanceof ObjArrayKlass) { res = new JSJavaObjArrayKlass((ObjArrayKlass) klass, this); } else if (klass instanceof TypeArrayKlass) { res = new JSJavaTypeArrayKlass((TypeArrayKlass) klass, this); } if (res != null) { om.put(klass, new SoftReference(res)); } return res; } public JSJavaField newJSJavaField(Field field) { if (field == null) return null; return new JSJavaField(field, this); } public JSJavaThread newJSJavaThread(JavaThread jthread) { if (jthread == null) return null; return new JSJavaThread(jthread, this); } public JSJavaFrame newJSJavaFrame(JavaVFrame jvf) { if (jvf == null) return null; return new JSJavaFrame(jvf, this); } public JSList newJSList(List list) { if (list == null) return null; return new JSList(list, this); } public JSMap newJSMap(Map map) { if (map == null) return null; return new JSMap(map, this); } public Object newJSJavaWrapper(Object item) { if (item == null) return null; if (item instanceof Oop) { return newJSJavaObject((Oop) item); } else if (item instanceof Field) { return newJSJavaField((Field) item); } else if (item instanceof JavaThread) { return newJSJavaThread((JavaThread) item); } else if (item instanceof JavaVFrame) { return newJSJavaFrame((JavaVFrame) item); } else if (item instanceof List) { return newJSList((List) item); } else if (item instanceof Map) { return newJSMap((Map) item); } else { // not-a-special-type, just return the input item return item; } } public JSJavaHeap newJSJavaHeap() { return new JSJavaHeap(this); } public JSJavaVM newJSJavaVM() { return new JSJavaVM(this); } // -- Internals only below this point private Symbol javaLangString() { if (javaLangString == null) { javaLangString = getSymbol("java/lang/String"); } return javaLangString; } private Symbol javaLangThread() { if (javaLangThread == null) { javaLangThread = getSymbol("java/lang/Thread"); } return javaLangThread; } private Symbol javaLangClass() { if (javaLangClass == null) { javaLangClass = getSymbol("java/lang/Class"); } return javaLangClass; } private Symbol getSymbol(String str) { return VM.getVM().getSymbolTable().probe(str); } private JSJavaObject newJavaInstance(Instance instance) { // look for well-known classes Symbol className = instance.getKlass().getName(); if (Assert.ASSERTS_ENABLED) { Assert.that(className != null, "Null class name"); } JSJavaObject res = null; if (className.equals(javaLangString())) { res = new JSJavaString(instance, this); } else if (className.equals(javaLangThread())) { res = new JSJavaThread(instance, this); } else if (className.equals(javaLangClass())) { Klass reflectedType = java_lang_Class.asKlass(instance); if (reflectedType != null) { JSJavaKlass jk = newJSJavaKlass(reflectedType); // we don't support mirrors of VM internal Klasses if (jk == null) return null; res = new JSJavaClass(instance, jk, this); } else { // for primitive Classes, the reflected type is null return null; } } else { // not a well-known class. But the base class may be // one of the known classes. Klass kls = instance.getKlass().getSuper(); while (kls != null) { className = kls.getName(); // java.lang.Class and java.lang.String are final classes if (className.equals(javaLangThread())) { res = new JSJavaThread(instance, this); break; } kls = kls.getSuper(); } } if (res == null) { res = new JSJavaInstance(instance, this); } return res; } // Map<Oop, SoftReference<JSJavaObject>> private Map om = new HashMap(); private Symbol javaLangString; private Symbol javaLangThread; private Symbol javaLangClass; }