mirror of git://gcc.gnu.org/git/gcc.git
* gnu/classpath/jdwp/processor/ReferenceTypeCommandSet.java:New
file. From-SVN: r101730
This commit is contained in:
Aaron Luchko
Aaron Luchko
parent
284bdbbd33
commit
bde1427e3b
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@ -1,3 +1,8 @@
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2005-07-07 Aaron Luchko <aluchko@redhat.com>
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* gnu/classpath/jdwp/processor/ReferenceTypeCommandSet.java:New
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file.
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2005-07-07 Bryce McKinlay <mckinlay@redhat.com>
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2005-07-07 Bryce McKinlay <mckinlay@redhat.com>
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* testsuite/libjava.jacks/jacks.xfail: Remove 6.5.5.1-nested-4,
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* testsuite/libjava.jacks/jacks.xfail: Remove 6.5.5.1-nested-4,
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@ -0,0 +1,321 @@
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/* ReferenceTypeCommandSet.java -- lass to implement the ReferenceType
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Command Set
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Copyright (C) 2005 Free Software Foundation
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.classpath.jdwp.processor;
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import gnu.classpath.jdwp.IVirtualMachine;
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import gnu.classpath.jdwp.Jdwp;
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import gnu.classpath.jdwp.JdwpConstants;
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import gnu.classpath.jdwp.exception.InvalidFieldException;
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import gnu.classpath.jdwp.exception.JdwpException;
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import gnu.classpath.jdwp.exception.JdwpInternalErrorException;
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import gnu.classpath.jdwp.exception.NotImplementedException;
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import gnu.classpath.jdwp.id.IdManager;
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import gnu.classpath.jdwp.id.ObjectId;
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import gnu.classpath.jdwp.id.ReferenceTypeId;
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import gnu.classpath.jdwp.util.JdwpString;
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import gnu.classpath.jdwp.util.Signature;
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import gnu.classpath.jdwp.util.Value;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.nio.ByteBuffer;
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/**
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* A class representing the ReferenceType Command Set.
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*
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* @author Aaron Luchko <aluchko@redhat.com>
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*/
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public class ReferenceTypeCommandSet implements CommandSet
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{
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// Our hook into the jvm
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private final IVirtualMachine vm = Jdwp.getIVirtualMachine();
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// Manages all the different ids that are assigned by jdwp
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private final IdManager idMan = Jdwp.getIdManager();
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public boolean runCommand(ByteBuffer bb, DataOutputStream os, byte command)
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throws JdwpException
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{
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try
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{
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switch (command)
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{
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case JdwpConstants.CommandSet.ReferenceType.SIGNATURE:
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executeSignature(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.CLASS_LOADER:
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executeClassLoader(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.MODIFIERS:
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executeModifiers(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.FIELDS:
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executeFields(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.METHODS:
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executeMethods(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.GET_VALUES:
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executeGetValues(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.SOURCE_FILE:
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executeSourceFile(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.NESTED_TYPES:
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executeNestedTypes(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.STATUS:
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executeStatus(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.INTERFACES:
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executeInterfaces(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.CLASS_OBJECT:
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executeClassObject(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.SOURCE_DEBUG_EXTENSION:
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executeSourceDebugExtension(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.SIGNATURE_WITH_GENERIC:
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executeSignatureWithGeneric(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.FIELDS_WITH_GENERIC:
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executeFieldWithGeneric(bb, os);
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break;
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case JdwpConstants.CommandSet.ReferenceType.METHODS_WITH_GENERIC:
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executeMethodsWithGeneric(bb, os);
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break;
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default:
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throw new NotImplementedException("Command " + command +
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" not found in String Reference Command Set.");
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}
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}
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catch (IOException ex)
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{
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// The DataOutputStream we're using isn't talking to a socket at all
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// So if we throw an IOException we're in serious trouble
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throw new JdwpInternalErrorException(ex);
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}
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return true;
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}
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private void executeSignature(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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String sig = Signature.computeClassSignature(refId.getType());
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JdwpString.writeString(os, sig);
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}
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private void executeClassLoader(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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Class clazz = refId.getType();
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ClassLoader loader = clazz.getClassLoader();
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ObjectId oid = idMan.getId(loader);
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oid.write(os);
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}
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private void executeModifiers(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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Class clazz = refId.getType();
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os.writeInt(clazz.getModifiers());
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}
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private void executeFields(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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Class clazz = refId.getType();
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Field[] fields = clazz.getFields();
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os.writeInt(fields.length);
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for (int i = 0; i < fields.length; i++)
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{
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Field field = fields[i];
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idMan.getId(field).write(os);
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JdwpString.writeString(os, field.getName());
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JdwpString.writeString(os, Signature.computeFieldSignature(field));
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os.writeInt(field.getModifiers());
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}
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}
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private void executeMethods(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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Class clazz = refId.getType();
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Method[] methods = clazz.getMethods();
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os.writeInt(methods.length);
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for (int i = 0; i < methods.length; i++)
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{
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Method method = methods[i];
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idMan.getId(method).write(os);
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JdwpString.writeString(os, method.getName());
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JdwpString.writeString(os, Signature.computeMethodSignature(method));
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os.writeInt(method.getModifiers());
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}
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}
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private void executeGetValues(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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Class clazz = refId.getType();
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int numFields = bb.getInt();
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os.writeInt(numFields); // Looks pointless but this is the protocol
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for (int i = 0; i < numFields; i++)
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{
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ObjectId fieldId = idMan.readId(bb);
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Field field = (Field) (fieldId.getObject());
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Class fieldClazz = field.getDeclaringClass();
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// We don't actually need the clazz to get the field but we might as
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// well check that the debugger got it right
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if (fieldClazz.isAssignableFrom(clazz))
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Value.writeStaticValueFromField(os, field);
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else
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throw new InvalidFieldException(fieldId.getId());
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}
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}
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private void executeSourceFile(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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Class clazz = refId.getType();
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// We'll need to go into the jvm for this unless there's an easier way
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String sourceFileName = vm.getSourceFile(clazz);
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JdwpString.writeString(os, sourceFileName);
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// clazz.getProtectionDomain().getCodeSource().getLocation();
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}
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private void executeNestedTypes(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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Class clazz = refId.getType();
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Class[] declaredClazzes = clazz.getDeclaredClasses();
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os.writeInt(declaredClazzes.length);
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for (int i = 0; i < declaredClazzes.length; i++)
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{
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Class decClazz = declaredClazzes[i];
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ReferenceTypeId clazzId = idMan.getReferenceTypeId(decClazz);
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clazzId.writeTagged(os);
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}
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}
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private void executeStatus(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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Class clazz = refId.getType();
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// I don't think there's any other way to get this
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int status = vm.getStatus(clazz);
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os.writeInt(status);
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}
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private void executeInterfaces(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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Class clazz = refId.getType();
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Class[] interfaces = clazz.getInterfaces();
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os.writeInt(interfaces.length);
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for (int i = 0; i < interfaces.length; i++)
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{
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Class interfaceClass = interfaces[i];
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ReferenceTypeId intId = idMan.getReferenceTypeId(interfaceClass);
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intId.write(os);
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}
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}
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private void executeClassObject(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
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Class clazz = refId.getType();
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ObjectId clazzObjectId = idMan.getId(clazz);
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clazzObjectId.write(os);
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}
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private void executeSourceDebugExtension(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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// This command is optional, determined by VirtualMachines CapabilitiesNew
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// so we'll leave it till later to implement
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throw new NotImplementedException(
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"Command SourceDebugExtension not implemented.");
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}
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private void executeSignatureWithGeneric(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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// We don't have generics yet
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throw new NotImplementedException(
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"Command SourceDebugExtension not implemented.");
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}
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private void executeFieldWithGeneric(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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// We don't have generics yet
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throw new NotImplementedException(
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"Command SourceDebugExtension not implemented.");
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}
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private void executeMethodsWithGeneric(ByteBuffer bb, DataOutputStream os)
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throws JdwpException, IOException
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{
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// We don't have generics yet
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throw new NotImplementedException(
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"Command SourceDebugExtension not implemented.");
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}
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}
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