| /* MethodCommandSet.java -- class to implement the Method Command Set |
| Copyright (C) 2005, 2006 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.classpath.jdwp.processor; |
| |
| import gnu.classpath.jdwp.JdwpConstants; |
| import gnu.classpath.jdwp.VMMethod; |
| import gnu.classpath.jdwp.exception.JdwpException; |
| import gnu.classpath.jdwp.exception.JdwpInternalErrorException; |
| import gnu.classpath.jdwp.exception.NotImplementedException; |
| import gnu.classpath.jdwp.id.ClassReferenceTypeId; |
| import gnu.classpath.jdwp.util.LineTable; |
| import gnu.classpath.jdwp.util.VariableTable; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| |
| /** |
| * A class representing the Method Command Set. |
| * |
| * @author Aaron Luchko <aluchko@redhat.com> |
| */ |
| public class MethodCommandSet |
| extends CommandSet |
| { |
| public boolean runCommand(ByteBuffer bb, DataOutputStream os, byte command) |
| throws JdwpException |
| { |
| try |
| { |
| switch (command) |
| { |
| case JdwpConstants.CommandSet.Method.LINE_TABLE: |
| executeLineTable(bb, os); |
| break; |
| case JdwpConstants.CommandSet.Method.VARIABLE_TABLE: |
| executeVariableTable(bb, os); |
| break; |
| case JdwpConstants.CommandSet.Method.BYTE_CODES: |
| executeByteCodes(bb, os); |
| break; |
| case JdwpConstants.CommandSet.Method.IS_OBSOLETE: |
| executeIsObsolete(bb, os); |
| break; |
| case JdwpConstants.CommandSet.Method.VARIABLE_TABLE_WITH_GENERIC: |
| executeVariableTableWithGeneric(bb, os); |
| break; |
| default: |
| throw new NotImplementedException( |
| "Command " + command + " not found in Method Command Set."); |
| } |
| } |
| catch (IOException ex) |
| { |
| // The DataOutputStream we're using isn't talking to a socket at all |
| // So if we throw an IOException we're in serious trouble |
| throw new JdwpInternalErrorException(ex); |
| } |
| |
| return false; |
| } |
| |
| private void executeLineTable(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ClassReferenceTypeId refId |
| = (ClassReferenceTypeId) idMan.readReferenceTypeId(bb); |
| Class clazz = refId.getType(); |
| |
| VMMethod method = VMMethod.readId(clazz, bb); |
| LineTable lt = method.getLineTable(); |
| lt.write(os); |
| } |
| |
| private void executeVariableTable(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException, IOException |
| { |
| ClassReferenceTypeId refId |
| = (ClassReferenceTypeId) idMan.readReferenceTypeId(bb); |
| Class clazz = refId.getType(); |
| |
| VMMethod method = VMMethod.readId(clazz, bb); |
| VariableTable vt = method.getVariableTable(); |
| vt.write(os); |
| } |
| |
| private void executeByteCodes(ByteBuffer bb, DataOutputStream os) |
| throws JdwpException |
| { |
| // This command is optional, determined by VirtualMachines CapabilitiesNew |
| // so we'll leave it till later to implement |
| throw new NotImplementedException("Command ByteCodes not implemented."); |
| } |
| |
| private void executeIsObsolete(ByteBuffer bb, DataOutputStream os) |
| throws IOException |
| { |
| // The debugger is really asking if this method has been redefined using |
| // VirtualMachineCommandSet.RedefineClasses. Since we don't implement that |
| // command the answer to this will always be false. |
| os.writeBoolean(false); |
| } |
| |
| private void executeVariableTableWithGeneric(ByteBuffer bb, |
| DataOutputStream os) |
| throws JdwpException |
| { |
| // We don't have generics yet |
| throw new NotImplementedException( |
| "Command SourceDebugExtension not implemented."); |
| } |
| |
| } |