Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaInstance.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaInstance.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,93 @@ +/* + * Copyright 2003-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +package sun.jvm.hotspot.utilities.soql; + +import sun.jvm.hotspot.oops.*; + +/** This is JavaScript wrapper for Java Instance in debuggee.*/ + +public class JSJavaInstance extends JSJavaObject { + public JSJavaInstance(Instance instance, JSJavaFactory fac) { + super(instance, fac); + this.type = (JSJavaInstanceKlass) fac.newJSJavaKlass(instance.getKlass()); + } + + public final Instance getInstance() { + return (Instance) getOop(); + } + + public final JSJavaClass getJSJavaClass() { + return type.getJSJavaClass(); + } + + public Object get(String name) { + if (hasField(name)) { + return getFieldValue(name); + } else { + return super.get(name); + } + } + + public Object[] getIds() { + String[] fieldNames = getFieldNames(); + Object[] superFields = super.getIds(); + Object[] res = new Object[fieldNames.length + superFields.length]; + System.arraycopy(fieldNames, 0, res, 0, fieldNames.length); + System.arraycopy(superFields, 0, res, fieldNames.length, superFields.length); + return res; + } + + public boolean has(String name) { + if (hasField(name)) { + return true; + } else { + return super.has(name); + } + } + + public void put(String name, Object value) { + if (! hasField(name)) { + super.put(name, value); + } + } + + protected Object getFieldValue(String name) { + try { + return type.getInstanceFieldValue(name, getInstance()); + } catch (NoSuchFieldException exp) { + return UNDEFINED; + } + } + + protected String[] getFieldNames() { + return type.getInstanceFieldNames(); + } + + protected boolean hasField(String name) { + return type.hasInstanceField(name); + } + + protected final JSJavaInstanceKlass type; +}