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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/processor/EventRequestCommandSet.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/processor/EventRequestCommandSet.java | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/processor/EventRequestCommandSet.java b/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/processor/EventRequestCommandSet.java new file mode 100644 index 000000000..d7ebbc3a3 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/processor/EventRequestCommandSet.java @@ -0,0 +1,220 @@ +/* EventRequestCommandSet.java -- class to implement the EventRequest Command + Set + Copyright (C) 2005, 2007 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.VMVirtualMachine; +import gnu.classpath.jdwp.event.EventManager; +import gnu.classpath.jdwp.event.EventRequest; +import gnu.classpath.jdwp.event.filters.ClassExcludeFilter; +import gnu.classpath.jdwp.event.filters.ClassMatchFilter; +import gnu.classpath.jdwp.event.filters.ClassOnlyFilter; +import gnu.classpath.jdwp.event.filters.ConditionalFilter; +import gnu.classpath.jdwp.event.filters.CountFilter; +import gnu.classpath.jdwp.event.filters.ExceptionOnlyFilter; +import gnu.classpath.jdwp.event.filters.FieldOnlyFilter; +import gnu.classpath.jdwp.event.filters.IEventFilter; +import gnu.classpath.jdwp.event.filters.InstanceOnlyFilter; +import gnu.classpath.jdwp.event.filters.LocationOnlyFilter; +import gnu.classpath.jdwp.event.filters.StepFilter; +import gnu.classpath.jdwp.event.filters.ThreadOnlyFilter; +import gnu.classpath.jdwp.exception.JdwpException; +import gnu.classpath.jdwp.exception.JdwpInternalErrorException; +import gnu.classpath.jdwp.exception.NotImplementedException; +import gnu.classpath.jdwp.id.ObjectId; +import gnu.classpath.jdwp.id.ReferenceTypeId; +import gnu.classpath.jdwp.id.ThreadId; +import gnu.classpath.jdwp.util.JdwpString; +import gnu.classpath.jdwp.util.Location; + +import java.io.DataOutputStream; +import java.io.IOException; +import java.nio.ByteBuffer; + +/** + * A class representing the EventRequest Command Set. + * + * @author Aaron Luchko <aluchko@redhat.com> + */ +public class EventRequestCommandSet + extends CommandSet +{ + public boolean runCommand(ByteBuffer bb, DataOutputStream os, byte command) + throws JdwpException + { + try + { + switch (command) + { + case JdwpConstants.CommandSet.EventRequest.SET: + executeSet(bb, os); + break; + case JdwpConstants.CommandSet.EventRequest.CLEAR: + executeClear(bb, os); + break; + case JdwpConstants.CommandSet.EventRequest.CLEAR_ALL_BREAKPOINTS: + executeClearAllBreakpoints(bb, os); + break; + default: + throw new NotImplementedException("Command " + command + + " not found in EventRequest Reference 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 executeSet(ByteBuffer bb, DataOutputStream os) + throws JdwpException, IOException + { + byte eventKind = bb.get(); + byte suspendPolicy = bb.get(); + int modifiers = bb.getInt(); + + switch (eventKind) + { + case JdwpConstants.EventKind.FIELD_ACCESS: + if (!VMVirtualMachine.canWatchFieldAccess) + { + String msg = "watching field accesses is not supported"; + throw new NotImplementedException(msg); + } + break; + + case JdwpConstants.EventKind.FIELD_MODIFICATION: + if (!VMVirtualMachine.canWatchFieldModification) + { + String msg = "watching field modifications is not supported"; + throw new NotImplementedException(msg); + } + break; + + default: + // okay + } + + EventRequest eventReq = new EventRequest(eventKind, suspendPolicy); + IEventFilter filter = null; + ReferenceTypeId refId; + for (int i = 0; i < modifiers; i++) + { + byte modKind = bb.get(); + switch (modKind) + { + case JdwpConstants.ModKind.COUNT: + filter = new CountFilter(bb.getInt()); + break; + case JdwpConstants.ModKind.CONDITIONAL: + filter = new ConditionalFilter(idMan.readObjectId(bb)); + break; + case JdwpConstants.ModKind.THREAD_ONLY: + filter = new ThreadOnlyFilter((ThreadId) idMan.readObjectId(bb)); + break; + case JdwpConstants.ModKind.CLASS_ONLY: + filter = new ClassOnlyFilter(idMan.readReferenceTypeId(bb)); + break; + case JdwpConstants.ModKind.CLASS_MATCH: + filter = new ClassMatchFilter(JdwpString.readString(bb)); + break; + case JdwpConstants.ModKind.CLASS_EXCLUDE: + filter = new ClassExcludeFilter(JdwpString.readString(bb)); + break; + case JdwpConstants.ModKind.LOCATION_ONLY: + filter = new LocationOnlyFilter(new Location(bb)); + break; + case JdwpConstants.ModKind.EXCEPTION_ONLY: + long id = bb.getLong(); + if (id == 0) + refId = null; + else + refId = idMan.getReferenceType(id); + boolean caught = (bb.get() == 0) ? false : true; + boolean unCaught = (bb.get() == 0) ? false : true; + filter = new ExceptionOnlyFilter(refId, caught, unCaught); + break; + case JdwpConstants.ModKind.FIELD_ONLY: + refId = idMan.readReferenceTypeId(bb); + ReferenceTypeId fieldId = idMan.readReferenceTypeId(bb); + filter = new FieldOnlyFilter(refId, fieldId); + break; + case JdwpConstants.ModKind.STEP: + ThreadId tid = (ThreadId) idMan.readObjectId(bb); + int size = bb.getInt(); + int depth = bb.getInt(); + filter = new StepFilter(tid, size, depth); + break; + case JdwpConstants.ModKind.INSTANCE_ONLY: + ObjectId oid = idMan.readObjectId(bb); + filter = new InstanceOnlyFilter(oid); + break; + default: + throw new NotImplementedException("modKind " + modKind + + " is not implemented."); + } + eventReq.addFilter(filter); + } + + EventManager.getDefault().requestEvent(eventReq); + os.writeInt(eventReq.getId()); + + } + + private void executeClear(ByteBuffer bb, DataOutputStream os) + throws JdwpException, IOException + { + byte eventKind = bb.get(); + int requestId = bb.getInt(); + EventManager.getDefault().deleteRequest(eventKind, requestId); + } + + private void executeClearAllBreakpoints(ByteBuffer bb, DataOutputStream os) + throws JdwpException, IOException + { + byte eventKind = bb.get (); + EventManager.getDefault().clearRequests (eventKind); + } + +} |