diff options
author | Aaron Luchko <aluchko@redhat.com> | 2005-08-04 22:16:30 +0000 |
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committer | Aaron Luchko <aluchko@redhat.com> | 2005-08-04 22:16:30 +0000 |
commit | 5a253bc8f29511d7e5a880bec393384766be20de (patch) | |
tree | 528fa3809e57728e17a964c7495ced086d335eb6 /gnu/classpath | |
parent | 7b68072c68060ce15c9dedaf107d4c82dd166cf9 (diff) | |
download | classpath-5a253bc8f29511d7e5a880bec393384766be20de.tar.gz |
*gnu/classpath/jdwp/processor/MethodCommandSet.java: Implemented
the Method CommandSet.
Diffstat (limited to 'gnu/classpath')
-rw-r--r-- | gnu/classpath/jdwp/processor/MethodCommandSet.java | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/gnu/classpath/jdwp/processor/MethodCommandSet.java b/gnu/classpath/jdwp/processor/MethodCommandSet.java new file mode 100644 index 000000000..952b94a55 --- /dev/null +++ b/gnu/classpath/jdwp/processor/MethodCommandSet.java @@ -0,0 +1,159 @@ +/* MethodCommandSet.java -- class to implement the Method Command Set + Copyright (C) 2005 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.IVirtualMachine; +import gnu.classpath.jdwp.Jdwp; +import gnu.classpath.jdwp.JdwpConstants; +import gnu.classpath.jdwp.exception.JdwpException; +import gnu.classpath.jdwp.exception.JdwpInternalErrorException; +import gnu.classpath.jdwp.exception.NotImplementedException; +import gnu.classpath.jdwp.id.IdManager; +import gnu.classpath.jdwp.id.ObjectId; +import gnu.classpath.jdwp.id.ReferenceTypeId; +import gnu.classpath.jdwp.util.LineTable; +import gnu.classpath.jdwp.util.VariableTable; + +import java.io.DataOutputStream; +import java.io.IOException; +import java.lang.reflect.Method; +import java.nio.ByteBuffer; + +/** + * A class representing the Method Command Set. + * + * @author Aaron Luchko <aluchko@redhat.com> + */ +public class MethodCommandSet implements CommandSet +{ + // Our hook into the jvm + private final IVirtualMachine vm = Jdwp.getIVirtualMachine(); + + // Manages all the different ids that are assigned by jdwp + private final IdManager idMan = Jdwp.getIdManager(); + + 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 true; + } + + private void executeLineTable(ByteBuffer bb, DataOutputStream os) + throws JdwpException, IOException + { + ReferenceTypeId refId = idMan.readReferenceTypeId(bb); + Class clazz = refId.getType(); + + ObjectId oid = idMan.readId(bb); + Method method = (Method) oid.getObject(); + + LineTable lt = vm.getLineTable(clazz, method); + lt.write(os); + } + + private void executeVariableTable(ByteBuffer bb, DataOutputStream os) + throws JdwpException, IOException + { + ReferenceTypeId refId = idMan.readReferenceTypeId(bb); + Class clazz = refId.getType(); + + ObjectId oid = idMan.readId(bb); + Method method = (Method) oid.getObject(); + + VariableTable vt = vm.getVarTable(clazz, method); + 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."); + } + +} |