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Classpath JDWP merge with upstream 

From-SVN: r123265
This commit is contained in:
Keith Seitz 2007-03-27 18:40:48 +00:00 committed by Keith Seitz
parent deb2378c15
commit ab065b4d75
66 changed files with 2243 additions and 429 deletions
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141
libjava/classpath/ChangeLog
View File

@ -1,3 +1,144 @@
2007-03-27 Keith Seitz <keiths@redhat.com>
Merged from upstream:
2007-03-09 Kyle Galloway <kgallowa@redhat.com>
* gnu/classpath/jdwp/exception/InvalidTagException.java: New file.
* gnu/classpath/jdwp/processor/ArrayReferenceCommandSet.java
(executeGetValues): Use Value type.
(exectureSetValues): Ditto.
* gnu/classpath/jdwp/processor/ClassTypeCommandSet.java
(executeGetValues): Use Value type.
(executeSetValues): Ditto.
(invokeMethod): Record method return type.
* gnu/classpath/jdwp/processor/ObjectReferenceCommandSet.java
(executeGetValues): Use Value type.
(executeSetValues): Ditto.
* gnu/classpath/jdwp/processor/ReferenceTypeCommandSet.java
(executeGetValues): Use Value type.
* gnu/classpath/jdwp/processor/StackFrameCommandSet.java
(executeGetValues): Use Value type.
(executeSetValues): Ditto.
* gnu/classpath/jdwp/util/MethodResult.java: Add resType to store
return type.
(getResultType): New Method.
(setResultType): Ditto.
* gnu/classpath/jdwp/util/Value.java: Remove.
* gnu/classpath/jdwp/value: New Package.
* gnu/classpath/jdwp/value/Value.java: New file.
* gnu/classpath/jdwp/value/BooleanValue.java: New file.
* gnu/classpath/jdwp/value/ByteValue.java: New file.
* gnu/classpath/jdwp/value/CharValue.java: New file.
* gnu/classpath/jdwp/value/DoubleValue.java: New file.
* gnu/classpath/jdwp/value/FloatValue.java: New file.
* gnu/classpath/jdwp/value/IntValue.java: New file.
* gnu/classpath/jdwp/value/LongValue.java: New file.
* gnu/classpath/jdwp/value/ObjectValue.java: New file.
* gnu/classpath/jdwp/value/ShortValue.java: New file.
* gnu/classpath/jdwp/value/StringValue.java: New file.
* gnu/classpath/jdwp/value/ValueFactory.java: New file.
* gnu/classpath/jdwp/value/VoidValue.java: New file.
2007-02-28 Keith Seitz <keiths@redhat.com>
* gnu/classpath/jdwp/processor/EventRequestCommandSet.java
(executeSet): Check if VM has capability for field access
or modification events.
* gnu/classpath/jdwp/processor/MethodCommandSet.java
(executeByteCodes): Check if VM has capability and
implement.
* gnu/classpath/jdwp/processor/ObjectReferenceCommandSet.java
(executeMonitorInfo): Likewise.
* gnu/classpath/jdwp/processor/ReferenceTypeCommandSet.java
(executeSourceDebugExtension): Likewise.
* gnu/classpath/jdwp/processor/StackFrameCommandSet.java
(executePopFrames): Likewise.
* gnu/classpath/jdwp/processor/ThreadReferenceCommandSet.java
(executeOwnedMonitors): Likewise.
(executeCurrentContendedMonitor): Likewise.
* gnu/classpath/jdwp/processor/VirtualMachineCommandSet.java
(executeCapabilities): Rewrite using new VMVirtualMachine
capabilities.
(executeRedefineClasses): Check if VM has capability and
implement.
(executeSetDefaultStratum): Likewise.
* gnu/classpath/jdwp/util/MonitorInfo.java; New file.
* vm/reference/gnu/classpath/jdwp/VMVirtualMachine.java
(canWatchFieldModification): New class constant.
(canWatchFieldAccess): Likewise.
(canGetBytecodes): Likewise.
(canGetSyntheticAttribute): Likewise.
(canGetOwnedMonitorInfo): Likewise.
(canGetCurrentContendedMonitor): Likewise.
(canGetMonitorInfo): Likewise.
(canRedefineClasses): Likewise.
(canAddMethod): Likewise.
(canUnrestrictedlyRedefineClasses): Likewise.
(canPopFrames): Likewise.
(canUseInstanceFilters): Likewise.
(canGetSourceDebugExtension): Likewise.
(canRequestVMDeathEvent): Likewise.
(canSetDefaultStratum): Likewise.
(redefineClasses): New method.
(setDefaultStratum): Likewise.
(getSourceDebugExtension): Likewise.
(getBytecodes): Likewise.
(getMonitorInfo): Likewise.
(getOwnedMonitors): Likewise.
(getCurrentContendedMonitor): Likewise.
(popFrames): Likewise.
2007-02-28 Keith Seitz <keiths@redhat.com>
* gnu/classpath/jdwp/processor/MethodCommandSet.java
(executeLineTable): Use ReferenceTypeId instead of
ClassReferenceTypeId.
(executeVariableTable): Likewise.
(executeVariableTableWithGeneric): Fix error message.
* gnu/classpath/jdwp/processor/ReferenceTypeCommandSet.java
(executeSignatureWithGeneric): Fix error message.
(executeFieldWithGeneric): Likewise.
(executeMethodsWithGeneric): Likewise.
* gnu/classpath/jdwp/processor/StackFrameCommandSet.java
(executeGetValues): Use ThreadId instead of ObjectId.
(executeSetValues): Likewise.
(executeThisObject): Likewise.
2007-02-28 Kyle Galloway <kgallowa@redhat.com>
* gnu/classpath/jdwp/id/NullObjectId.java: New class.
* gnu/classpath/jdwp/util/NullObject.java: New class.
* vm/reference/gnu/classpath/jdwp/VMIdManager.java
(getObjectId): Handle null object.
(get): Handle objectId of 0.
2007-02-22 Keith Seitz <keiths@redhat.ecom>
* vm/reference/gnu/classpath/jdwp/VMVirtualMachine.java
(getAllLoadedClassesCount): Remove.
(getAllLoadedClasses): Return a Collection.
* gnu/classpath/jdwp/processor/VirtualMachineCommandSet.java
(executeClassesBySignature): VMVirtualMachine.getAllLoadedClasses
now returns Collection.
(executeAllClasses): Likewise.
Get size of return from Colleciton instead of calling
getAllLoadedClassesCount.
2007-02-22 Kyle Galloway <kgallowa@redhat.com>
* gnu/classpath/jdwp/processor/StackFrameCommandSet.java
(executeGetValues): Pass a signature byte to VMFrame.getValue.
* vm/reference/gnu/classpath/jdwp/VMFrame.java (getValue): Add
signature parameter.
2007-02-02 Kyle Galloway <kgallowa@redhat.com>
* gnu/classpath/jdwp/processor/StackFrameCommandSet.java
(executeGetValues): Changed getFrame to use a jlong to pass frameID.
(executeSetValues): Ditto.
(executeThisObject): Ditto.
* vm/reference/gnu/classpath/jdwp/VMFrame.java: Added thread field
and a constructor used to create VMFrames.
(getThread): New method.
* vm/reference/gnu/classpath/jdwp/VMVirtualMachine.java(getFrame):
Changed to take a long instead of a ByteBuffer to pass the frameID.
2007-01-15 Kyle Galloway <kgallowa@redhat.com>
* gnu/classpath/jdwp/exception/InvalidSlotException.java: New file.
2007-03-26 Tom Tromey <tromey@redhat.com>
* doc/cp-tools.texinfo (gcjh Tool): Added more text.

8
libjava/classpath/gnu/classpath/jdwp/event/EventManager.java
View File

@ -1,5 +1,5 @@
/* EventManager.java -- event management and notification infrastructure
Copyright (C) 2005, 2006 Free Software Foundation
Copyright (C) 2005, 2006, 2007 Free Software Foundation
This file is part of GNU Classpath.
@ -39,6 +39,7 @@ exception statement from your version. */
package gnu.classpath.jdwp.event;
import gnu.classpath.jdwp.Jdwp;
import gnu.classpath.jdwp.VMVirtualMachine;
import gnu.classpath.jdwp.exception.InvalidEventTypeException;
import gnu.classpath.jdwp.exception.JdwpException;
@ -130,9 +131,10 @@ public class EventManager
// only two: VM_INIT, VM_DEATH
try
{
byte sp = (Jdwp.suspendOnStartup()
? EventRequest.SUSPEND_THREAD : EventRequest.SUSPEND_NONE);
requestEvent (new EventRequest (0,
EventRequest.EVENT_VM_INIT,
EventRequest.SUSPEND_NONE));
EventRequest.EVENT_VM_INIT, sp));
requestEvent (new EventRequest (0,
EventRequest.EVENT_VM_DEATH,
EventRequest.SUSPEND_NONE));

12
libjava/classpath/gnu/classpath/jdwp/event/filters/StepFilter.java
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@ -1,5 +1,5 @@
/* StepFilter.java -- a step filter
Copyright (C) 2005 Free Software Foundation
Copyright (C) 2005, 2007 Free Software Foundation
This file is part of GNU Classpath.
@ -39,6 +39,7 @@ exception statement from your version. */
package gnu.classpath.jdwp.event.filters;
import gnu.classpath.jdwp.JdwpConstants;
import gnu.classpath.jdwp.event.Event;
import gnu.classpath.jdwp.exception.InvalidThreadException;
import gnu.classpath.jdwp.id.ThreadId;
@ -48,6 +49,12 @@ import gnu.classpath.jdwp.id.ThreadId;
* satisfy depth and size constraints. This modifier can only be used with
* step event kinds."
*
* This "filter" is not really a filter. It is simply a way to communicate
* stepping information in a convenient way between the JDWP backend and
* the virtual machine.
*
* Consequently, this "filter" always matches.
*
* @author Keith Seitz (keiths@redhat.com)
*/
public class StepFilter
@ -115,7 +122,6 @@ public class StepFilter
*/
public boolean matches (Event event)
{
// FIXME
throw new RuntimeException ("StepFilter.matches not implemented");
return true;
}
}

62
libjava/classpath/gnu/classpath/jdwp/exception/InvalidSlotException.java Normal file
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@ -0,0 +1,62 @@
/* InvalidSlotException.java -- an invalid variable slot exception
Copyright (C) 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
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.exception;
import gnu.classpath.jdwp.JdwpConstants;
/**
* An exception thrown when an invalid Slot id is used by the debugger
* (i.e. when trying to access a variable slot which doesn't exist).
*
* @author Kyle Galloway (kgallowa@redhat.com)
*/
public class InvalidSlotException
extends JdwpException
{
public InvalidSlotException(int slot)
{
super(JdwpConstants.Error.INVALID_SLOT, "invalid slot: " + slot);
}
public InvalidSlotException(String msg)
{
super(JdwpConstants.Error.INVALID_SLOT, msg);
}
}

57
libjava/classpath/gnu/classpath/jdwp/exception/InvalidTagException.java Normal file
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@ -0,0 +1,57 @@
/* InvalidTagException.java -- an invalid type tag exception
Copyright (C) 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
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.exception;
import gnu.classpath.jdwp.JdwpConstants;
/**
* An exception thrown when an invalid tag is used by
* the debugger
*
* @author Kyle Galloway (kgallowa@redhat.com)
*/
public class InvalidTagException
extends JdwpException
{
public InvalidTagException (byte tag)
{
super (JdwpConstants.Error.INVALID_TAG,
"invalid tag (" + tag + ")");
}
}

62
libjava/classpath/gnu/classpath/jdwp/exception/TypeMismatchException.java Normal file
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@ -0,0 +1,62 @@
/* TypeMismatchException.java -- mismatched type of local variable
Copyright (C) 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
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.exception;
import gnu.classpath.jdwp.JdwpConstants;
/**
* An exception throw when attempting to access a local variable of the wrong
* type.
*
* @author Kyle Galloway (kgallowa@redhat.com)
*/
public class TypeMismatchException
extends JdwpException
{
public TypeMismatchException(byte tag)
{
super(JdwpConstants.Error.TYPE_MISMATCH, "incorrect tag: " + tag);
}
public TypeMismatchException(String msg)
{
super(JdwpConstants.Error.TYPE_MISMATCH, msg);
}
}

79
libjava/classpath/gnu/classpath/jdwp/id/NullObjectId.java Normal file
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@ -0,0 +1,79 @@
/* NullObjectId.java -- special objectId for null values
Copyright (C) 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.id;
import gnu.classpath.jdwp.exception.InvalidObjectException;
import gnu.classpath.jdwp.util.NullObject;
import java.lang.ref.SoftReference;
/**
* This is a special case of an ObjectId. When a varaible slot contains
* null as its value, this is a valid value despite the fact that it does
* not reference an object. To represent this, this will always be the id
* of the NullObject (0).
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public class NullObjectId
extends ObjectId
{
/**
* The object class that this id represents
*/
public static final Class typeClass = NullObject.class;
/**
* Constructs a new <code>NullObjectId</code>
*/
public NullObjectId()
{
super();
setId((long) 0);
_reference = new SoftReference<NullObject>(new NullObject());
try
{
disableCollection();
}
catch(InvalidObjectException ex)
{
//This will not happen
}
}
}

13
libjava/classpath/gnu/classpath/jdwp/processor/ArrayReferenceCommandSet.java
View File

@ -1,6 +1,6 @@
/* ArrayReferenceCommandSet.java -- class to implement the Array
Reference Command Set
Copyright (C) 2005 Free Software Foundation
Copyright (C) 2005, 2007 Free Software Foundation
This file is part of GNU Classpath.
@ -46,7 +46,8 @@ 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.util.Value;
import gnu.classpath.jdwp.value.Value;
import gnu.classpath.jdwp.value.ValueFactory;
import java.io.DataOutputStream;
import java.io.IOException;
@ -150,11 +151,11 @@ public class ArrayReferenceCommandSet
// tagged
for (int i = first; i < first + length; i++)
{
Object value = Array.get(array, i);
Value val = ValueFactory.createFromObject(Array.get(array, i), clazz);
if (clazz.isPrimitive())
Value.writeUntaggedValue(os, value);
val.writeUntagged(os);
else
Value.writeTaggedValue(os, value);
val.writeTagged(os);
}
}
@ -168,7 +169,7 @@ public class ArrayReferenceCommandSet
Class type = array.getClass().getComponentType();
for (int i = first; i < first + length; i++)
{
Object value = Value.getUntaggedObj(bb, type);
Object value = Value.getUntaggedObject(bb, type);
Array.set(array, i, value);
}
}

14
libjava/classpath/gnu/classpath/jdwp/processor/ClassTypeCommandSet.java
View File

@ -1,6 +1,6 @@
/* ClassTypeCommandSet.java -- class to implement the ClassType
Command Set
Copyright (C) 2005 Free Software Foundation
Copyright (C) 2005, 2007 Free Software Foundation
This file is part of GNU Classpath.
@ -49,7 +49,8 @@ import gnu.classpath.jdwp.exception.NotImplementedException;
import gnu.classpath.jdwp.id.ObjectId;
import gnu.classpath.jdwp.id.ReferenceTypeId;
import gnu.classpath.jdwp.util.MethodResult;
import gnu.classpath.jdwp.util.Value;
import gnu.classpath.jdwp.value.Value;
import gnu.classpath.jdwp.value.ValueFactory;
import java.io.DataOutputStream;
import java.io.IOException;
@ -128,7 +129,7 @@ public class ClassTypeCommandSet
{
ObjectId fieldId = idMan.readObjectId(bb);
Field field = (Field) (fieldId.getObject());
Object value = Value.getUntaggedObj(bb, field.getType());
Object value = Value.getUntaggedObject(bb, field.getType());
try
{
field.setAccessible(true); // Might be a private field
@ -154,7 +155,8 @@ public class ClassTypeCommandSet
Exception exception = mr.getThrownException();
ObjectId eId = idMan.getObjectId(exception);
Value.writeTaggedValue(os, value);
Value val = ValueFactory.createFromObject(value, mr.getResultType());
val.writeTagged(os);
eId.writeTagged(os);
}
@ -192,7 +194,7 @@ public class ClassTypeCommandSet
for (int i = 0; i < args; i++)
{
values[i] = Value.getObj(bb);
values[i] = Value.getTaggedObject(bb);
}
int invokeOpts = bb.getInt();
@ -207,6 +209,8 @@ public class ClassTypeCommandSet
MethodResult mr = VMVirtualMachine.executeMethod(null, thread,
clazz, method,
values, false);
mr.setResultType(method.getReturnType());
if (suspend)
VMVirtualMachine.resumeAllThreads ();

25
libjava/classpath/gnu/classpath/jdwp/processor/EventRequestCommandSet.java
View File

@ -1,6 +1,6 @@
/* EventRequestCommandSet.java -- class to implement the EventRequest Command
Set
Copyright (C) 2005 Free Software Foundation
Copyright (C) 2005, 2007 Free Software Foundation
This file is part of GNU Classpath.
@ -40,6 +40,7 @@ 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;
@ -113,6 +114,28 @@ public class EventRequestCommandSet
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;

30
libjava/classpath/gnu/classpath/jdwp/processor/MethodCommandSet.java
View File

@ -1,5 +1,5 @@
/* MethodCommandSet.java -- class to implement the Method Command Set
Copyright (C) 2005, 2006 Free Software Foundation
Copyright (C) 2005, 2006, 2007 Free Software Foundation
This file is part of GNU Classpath.
@ -40,10 +40,11 @@ package gnu.classpath.jdwp.processor;
import gnu.classpath.jdwp.JdwpConstants;
import gnu.classpath.jdwp.VMMethod;
import gnu.classpath.jdwp.VMVirtualMachine;
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.id.ReferenceTypeId;
import gnu.classpath.jdwp.util.LineTable;
import gnu.classpath.jdwp.util.VariableTable;
@ -99,8 +100,7 @@ public class MethodCommandSet
private void executeLineTable(ByteBuffer bb, DataOutputStream os)
throws JdwpException, IOException
{
ClassReferenceTypeId refId
= (ClassReferenceTypeId) idMan.readReferenceTypeId(bb);
ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
Class clazz = refId.getType();
VMMethod method = VMMethod.readId(clazz, bb);
@ -111,8 +111,7 @@ public class MethodCommandSet
private void executeVariableTable(ByteBuffer bb, DataOutputStream os)
throws JdwpException, IOException
{
ClassReferenceTypeId refId
= (ClassReferenceTypeId) idMan.readReferenceTypeId(bb);
ReferenceTypeId refId = idMan.readReferenceTypeId(bb);
Class clazz = refId.getType();
VMMethod method = VMMethod.readId(clazz, bb);
@ -121,11 +120,20 @@ public class MethodCommandSet
}
private void executeByteCodes(ByteBuffer bb, DataOutputStream os)
throws JdwpException
throws JdwpException, IOException
{
// This command is optional, determined by VirtualMachines CapabilitiesNew
// so we'll leave it till later to implement
throw new NotImplementedException("Command ByteCodes not implemented.");
if (!VMVirtualMachine.canGetBytecodes)
{
String msg = "getting bytecodes is unsupported";
throw new NotImplementedException(msg);
}
ReferenceTypeId id = idMan.readReferenceTypeId(bb);
Class klass = id.getType();
VMMethod method = VMMethod.readId(klass, bb);
byte[] bytecode = VMVirtualMachine.getBytecodes(method);
os.writeInt(bytecode.length);
os.write(bytecode);
}
private void executeIsObsolete(ByteBuffer bb, DataOutputStream os)
@ -143,7 +151,7 @@ public class MethodCommandSet
{
// We don't have generics yet
throw new NotImplementedException(
"Command SourceDebugExtension not implemented.");
"Command VariableTableWithGeneric not implemented.");
}
}

34
libjava/classpath/gnu/classpath/jdwp/processor/ObjectReferenceCommandSet.java
View File

@ -1,6 +1,6 @@
/* ObjectReferenceCommandSet.java -- class to implement the ObjectReference
Command Set
Copyright (C) 2005 Free Software Foundation
Copyright (C) 2005, 2007 Free Software Foundation
This file is part of GNU Classpath.
@ -47,8 +47,10 @@ 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.util.Value;
import gnu.classpath.jdwp.util.MethodResult;
import gnu.classpath.jdwp.util.MonitorInfo;
import gnu.classpath.jdwp.value.Value;
import gnu.classpath.jdwp.value.ValueFactory;
import java.io.DataOutputStream;
import java.io.IOException;
@ -137,7 +139,9 @@ public class ObjectReferenceCommandSet
{
field.setAccessible(true); // Might be a private field
Object value = field.get(obj);
Value.writeTaggedValue(os, value);
Value val = ValueFactory.createFromObject(value,
field.getType());
val.writeTagged(os);
}
catch (IllegalArgumentException ex)
{
@ -163,7 +167,7 @@ public class ObjectReferenceCommandSet
for (int i = 0; i < numFields; i++)
{
Field field = (Field) idMan.readObjectId(bb).getObject();
Object value = Value.getUntaggedObj(bb, field.getType());
Object value = Value.getUntaggedObject(bb, field.getType());
try
{
field.setAccessible(true); // Might be a private field
@ -183,13 +187,18 @@ public class ObjectReferenceCommandSet
}
private void executeMonitorInfo(ByteBuffer bb, DataOutputStream os)
throws JdwpException
throws JdwpException, IOException
{
// This command is optional, determined by VirtualMachines CapabilitiesNew
// so we'll leave it till later to implement
throw new NotImplementedException(
"Command ExecuteMonitorInfo not implemented.");
if (!VMVirtualMachine.canGetMonitorInfo)
{
String msg = "getting monitor info not supported";
throw new NotImplementedException(msg);
}
ObjectId oid = idMan.readObjectId(bb);
Object obj = oid.getObject();
MonitorInfo info = VMVirtualMachine.getMonitorInfo(obj);
info.write(os);
}
private void executeInvokeMethod(ByteBuffer bb, DataOutputStream os)
@ -212,7 +221,7 @@ public class ObjectReferenceCommandSet
for (int i = 0; i < args; i++)
{
values[i] = Value.getObj(bb);
values[i] = Value.getTaggedObject(bb);
}
int invokeOptions = bb.getInt();
@ -232,11 +241,14 @@ public class ObjectReferenceCommandSet
MethodResult mr = VMVirtualMachine.executeMethod(obj, thread,
clazz, method,
values, nonVirtual);
mr.setResultType (method.getReturnType());
Object value = mr.getReturnedValue();
Exception exception = mr.getThrownException();
ObjectId eId = idMan.getObjectId(exception);
Value.writeTaggedValue(os, value);
Value val = ValueFactory.createFromObject(value, mr.getResultType());
val.writeTagged(os);
eId.writeTagged(os);
}

28
libjava/classpath/gnu/classpath/jdwp/processor/ReferenceTypeCommandSet.java
View File

@ -1,6 +1,6 @@
/* ReferenceTypeCommandSet.java -- class to implement the ReferenceType
Command Set
Copyright (C) 2005, 2006 Free Software Foundation
Copyright (C) 2005, 2006, 2007 Free Software Foundation
This file is part of GNU Classpath.
@ -51,7 +51,8 @@ import gnu.classpath.jdwp.id.ObjectId;
import gnu.classpath.jdwp.id.ReferenceTypeId;
import gnu.classpath.jdwp.util.JdwpString;
import gnu.classpath.jdwp.util.Signature;
import gnu.classpath.jdwp.util.Value;
import gnu.classpath.jdwp.value.Value;
import gnu.classpath.jdwp.value.ValueFactory;
import java.io.DataOutputStream;
import java.io.IOException;
@ -220,7 +221,9 @@ public class ReferenceTypeCommandSet
{
field.setAccessible(true); // Might be a private field
Object value = field.get(null);
Value.writeTaggedValue(os, value);
Value val = ValueFactory.createFromObject(value,
field.getType());
val.writeTagged(os);
}
catch (IllegalArgumentException ex)
{
@ -303,10 +306,15 @@ public class ReferenceTypeCommandSet
private void executeSourceDebugExtension(ByteBuffer bb, DataOutputStream os)
throws JdwpException, IOException
{
// This command is optional, determined by VirtualMachines CapabilitiesNew
// so we'll leave it till later to implement
throw new NotImplementedException(
"Command SourceDebugExtension not implemented.");
if (!VMVirtualMachine.canGetSourceDebugExtension)
{
String msg = "source debug extension is not supported";
throw new NotImplementedException(msg);
}
ReferenceTypeId id = idMan.readReferenceTypeId(bb);
String ext = VMVirtualMachine.getSourceDebugExtension (id.getType());
JdwpString.writeString(os, ext);
}
private void executeSignatureWithGeneric(ByteBuffer bb, DataOutputStream os)
@ -314,7 +322,7 @@ public class ReferenceTypeCommandSet
{
// We don't have generics yet
throw new NotImplementedException(
"Command SourceDebugExtension not implemented.");
"Command SignatureWithGeneric not implemented.");
}
private void executeFieldWithGeneric(ByteBuffer bb, DataOutputStream os)
@ -322,7 +330,7 @@ public class ReferenceTypeCommandSet
{
// We don't have generics yet
throw new NotImplementedException(
"Command SourceDebugExtension not implemented.");
"Command executeFieldWithGeneric not implemented.");
}
private void executeMethodsWithGeneric(ByteBuffer bb, DataOutputStream os)
@ -330,6 +338,6 @@ public class ReferenceTypeCommandSet
{
// We don't have generics yet
throw new NotImplementedException(
"Command SourceDebugExtension not implemented.");
"Command executeMethodsWithGeneric not implemented.");
}
}

43
libjava/classpath/gnu/classpath/jdwp/processor/StackFrameCommandSet.java
View File

@ -45,8 +45,10 @@ import gnu.classpath.jdwp.VMVirtualMachine;
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.util.Value;
import gnu.classpath.jdwp.id.ThreadId;
import gnu.classpath.jdwp.value.ObjectValue;
import gnu.classpath.jdwp.value.Value;
import gnu.classpath.jdwp.value.ValueFactory;
import java.io.DataOutputStream;
import java.io.IOException;
@ -98,8 +100,8 @@ public class StackFrameCommandSet
private void executeGetValues(ByteBuffer bb, DataOutputStream os)
throws JdwpException, IOException
{
ObjectId tId = idMan.readObjectId(bb);
Thread thread = (Thread) tId.getObject();
ThreadId tId = (ThreadId) idMan.readObjectId(bb);
Thread thread = tId.getThread();
// Although Frames look like other ids they are not. First they are not
// ObjectIds since they don't exist in the users code. Storing them as an
@ -115,16 +117,16 @@ public class StackFrameCommandSet
{
int slot = bb.getInt();
byte sig = bb.get();
Object val = frame.getValue(slot);
Value.writeTaggedValue(os, val);
Value val = frame.getValue(slot, sig);
val.writeTagged(os);
}
}
private void executeSetValues(ByteBuffer bb, DataOutputStream os)
throws JdwpException, IOException
{
ObjectId tId = idMan.readObjectId(bb);
Thread thread = (Thread) tId.getObject();
ThreadId tId = (ThreadId) idMan.readObjectId(bb);
Thread thread = tId.getThread();
long frameID = bb.getLong();
VMFrame frame = VMVirtualMachine.getFrame(thread, frameID);
@ -133,7 +135,7 @@ public class StackFrameCommandSet
for (int i = 0; i < slots; i++)
{
int slot = bb.getInt();
Object value = Value.getObj(bb);
Value value = ValueFactory.createFromTagged(bb);
frame.setValue(slot, value);
}
}
@ -141,21 +143,28 @@ public class StackFrameCommandSet
private void executeThisObject(ByteBuffer bb, DataOutputStream os)
throws JdwpException, IOException
{
ObjectId tId = idMan.readObjectId(bb);
Thread thread = (Thread) tId.getObject();
ThreadId tId = (ThreadId) idMan.readObjectId(bb);
Thread thread = tId.getThread();
long frameID = bb.getLong();
VMFrame frame = VMVirtualMachine.getFrame(thread, frameID);
Object thisObject = frame.getObject();
Value.writeTaggedValue(os, thisObject);
ObjectValue objVal = new ObjectValue(frame.getObject());
objVal.writeTagged(os);
}
private void executePopFrames(ByteBuffer bb, DataOutputStream os)
throws JdwpException
throws JdwpException, IOException
{
// This command is optional, determined by VirtualMachines CapabilitiesNew
// so we'll leave it till later to implement
throw new NotImplementedException("Command PopFrames not implemented.");
if (!VMVirtualMachine.canPopFrames)
{
String msg = "popping frames is unsupported";
throw new NotImplementedException(msg);
}
ThreadId tid = (ThreadId) idMan.readObjectId(bb);
Thread thread = tid.getThread();
long fid = bb.getLong();
VMVirtualMachine.popFrames(thread, fid);
}
}

42
libjava/classpath/gnu/classpath/jdwp/processor/ThreadReferenceCommandSet.java
View File

@ -1,5 +1,5 @@
/* ThreadReferenceCommandSet.java -- class to implement the ThreadReference
Command Set Copyright (C) 2005 Free Software Foundation
Command Set Copyright (C) 2005, 2007 Free Software Foundation
This file is part of GNU Classpath.
@ -198,22 +198,42 @@ public class ThreadReferenceCommandSet
}
private void executeOwnedMonitors(ByteBuffer bb, DataOutputStream os)
throws JdwpException
throws JdwpException, IOException
{
// This command is optional, determined by VirtualMachines CapabilitiesNew
// so we'll leave it till later to implement
throw new NotImplementedException(
"Command OwnedMonitors not implemented.");
if (!VMVirtualMachine.canGetOwnedMonitorInfo)
{
String msg = "getting owned monitors is not supported";
throw new NotImplementedException(msg);
}
ThreadId tid = (ThreadId) idMan.readObjectId(bb);
Thread thread = tid.getThread();
Object[] monitors = VMVirtualMachine.getOwnedMonitors(thread);
os.write(monitors.length);
for (int i = 0; i < monitors.length; ++i)
{
ObjectId id = idMan.getObjectId(monitors[i]);
id.writeTagged(os);
}
}
private void executeCurrentContendedMonitor(ByteBuffer bb,
DataOutputStream os)
throws JdwpException
throws JdwpException, IOException
{
// This command is optional, determined by VirtualMachines CapabilitiesNew
// so we'll leave it till later to implement
throw new NotImplementedException(
"Command CurrentContentedMonitors not implemented.");
if (!VMVirtualMachine.canGetCurrentContendedMonitor)
{
String msg = "getting current contended monitor is not supported";
throw new NotImplementedException(msg);
}
ThreadId tid = (ThreadId) idMan.readObjectId(bb);
Thread thread = tid.getThread();
Object monitor = VMVirtualMachine.getCurrentContendedMonitor(thread);
ObjectId id = idMan.getObjectId(monitor);
id.writeTagged(os);
}
private void executeStop(ByteBuffer bb, DataOutputStream os)

107
libjava/classpath/gnu/classpath/jdwp/processor/VirtualMachineCommandSet.java
View File

@ -1,6 +1,6 @@
/* VirtualMachineCommandSet.java -- class to implement the VirtualMachine
Command Set
Copyright (C) 2005, 2006 Free Software Foundation
Copyright (C) 2005, 2006, 2007 Free Software Foundation
This file is part of GNU Classpath.
@ -54,6 +54,7 @@ import java.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.Properties;
@ -179,7 +180,8 @@ public class VirtualMachineCommandSet
ArrayList allMatchingClasses = new ArrayList();
// This will be an Iterator over all loaded Classes
Iterator iter = VMVirtualMachine.getAllLoadedClasses();
Collection classes = VMVirtualMachine.getAllLoadedClasses();
Iterator iter = classes.iterator ();
while (iter.hasNext())
{
@ -203,22 +205,11 @@ public class VirtualMachineCommandSet
private void executeAllClasses(ByteBuffer bb, DataOutputStream os)
throws JdwpException, IOException
{
// Disable garbage collection while we're collecting the info on loaded
// classes so we some classes don't get collected between the time we get
// the count and the time we get the list
//VMVirtualMachine.disableGarbageCollection();
Collection classes = VMVirtualMachine.getAllLoadedClasses();
os.writeInt(classes.size ());
int classCount = VMVirtualMachine.getAllLoadedClassesCount();
os.writeInt(classCount);
// This will be an Iterator over all loaded Classes
Iterator iter = VMVirtualMachine.getAllLoadedClasses();
//VMVirtualMachine.enableGarbageCollection();
int count = 0;
// Note it's possible classes were created since out classCount so make
// sure we don't write more classes than we told the debugger
while (iter.hasNext() && count++ < classCount)
Iterator iter = classes.iterator ();
while (iter.hasNext())
{
Class clazz = (Class) iter.next();
ReferenceTypeId id = idMan.getReferenceTypeId(clazz);
@ -340,14 +331,13 @@ public class VirtualMachineCommandSet
private void executeCapabilities(ByteBuffer bb, DataOutputStream os)
throws JdwpException, IOException
{
// Store these somewhere?
os.writeBoolean(false); // canWatchFieldModification
os.writeBoolean(false); // canWatchFieldAccess
os.writeBoolean(false); // canGetBytecodes
os.writeBoolean(false); // canGetSyntheticAttribute
os.writeBoolean(false); // canGetOwnedMonitorInfo
os.writeBoolean(false); // canGetCurrentContendedMonitor
os.writeBoolean(false); // canGetMonitorInfo
os.writeBoolean(VMVirtualMachine.canWatchFieldModification);
os.writeBoolean(VMVirtualMachine.canWatchFieldAccess);
os.writeBoolean(VMVirtualMachine.canGetBytecodes);
os.writeBoolean(VMVirtualMachine.canGetSyntheticAttribute);
os.writeBoolean(VMVirtualMachine.canGetOwnedMonitorInfo);
os.writeBoolean(VMVirtualMachine.canGetCurrentContendedMonitor);
os.writeBoolean(VMVirtualMachine.canGetMonitorInfo);
}
private void executeClassPaths(ByteBuffer bb, DataOutputStream os)
@ -401,43 +391,60 @@ public class VirtualMachineCommandSet
private void executeCapabilitiesNew(ByteBuffer bb, DataOutputStream os)
throws JdwpException, IOException
{
// Store these somewhere?
final int CAPABILITIES_NEW_SIZE = 32;
os.writeBoolean(false); // canWatchFieldModification
os.writeBoolean(false); // canWatchFieldAccess
os.writeBoolean(false); // canGetBytecodes
os.writeBoolean(false); // canGetSyntheticAttribute
os.writeBoolean(false); // canGetOwnedMonitorInfo
os.writeBoolean(false); // canGetCurrentContendedMonitor
os.writeBoolean(false); // canGetMonitorInfo
os.writeBoolean(false); // canRedefineClasses
os.writeBoolean(false); // canAddMethod
os.writeBoolean(false); // canUnrestrictedlyRedefineClasses
os.writeBoolean(false); // canPopFrames
os.writeBoolean(false); // canUseInstanceFilters
os.writeBoolean(false); // canGetSourceDebugExtension
os.writeBoolean(false); // canRequestVMDeathEvent
os.writeBoolean(false); // canSetDefaultStratum
executeCapabilities(bb, os);
os.writeBoolean(VMVirtualMachine.canRedefineClasses);
os.writeBoolean(VMVirtualMachine.canAddMethod);
os.writeBoolean(VMVirtualMachine.canUnrestrictedlyRedefineClasses);
os.writeBoolean(VMVirtualMachine.canPopFrames);
os.writeBoolean(VMVirtualMachine.canUseInstanceFilters);
os.writeBoolean(VMVirtualMachine.canGetSourceDebugExtension);
os.writeBoolean(VMVirtualMachine.canRequestVMDeathEvent);
os.writeBoolean(VMVirtualMachine.canSetDefaultStratum);
for (int i = 15; i < CAPABILITIES_NEW_SIZE; i++)
// Future capabilities
// currently unused
os.writeBoolean(false); // Set to false
{
// Future capabilities (currently unused)
os.writeBoolean(false);
}
}
private void executeRedefineClasses(ByteBuffer bb, DataOutputStream os)
throws JdwpException
{
// Optional command, don't implement
throw new NotImplementedException(
"Command VirtualMachine.RedefineClasses not implemented");
if (!VMVirtualMachine.canRedefineClasses)
{
String msg = "redefinition of classes is not supported";
throw new NotImplementedException(msg);
}
int classes = bb.getInt();
Class[] types = new Class[classes];
byte[][] bytecodes = new byte[classes][];
for (int i = 0; i < classes; ++i)
{
ReferenceTypeId id = idMan.readReferenceTypeId(bb);
int classfile = bb.getInt();
byte[] bytecode = new byte[classfile];
bb.get(bytecode);
types[i] = id.getType();
bytecodes[i] = bytecode;
}
VMVirtualMachine.redefineClasses (types, bytecodes);
}
private void executeSetDefaultStratum(ByteBuffer bb, DataOutputStream os)
throws JdwpException
{
// Optional command, don't implement
throw new NotImplementedException(
"Command VirtualMachine.SetDefaultStratum not implemented");
if (!VMVirtualMachine.canSetDefaultStratum)
{
String msg = "setting the default stratum is not supported";
throw new NotImplementedException(msg);
}
String stratum = JdwpString.readString(bb);
VMVirtualMachine.setDefaultStratum(stratum);
}
private void executeAllClassesWithGeneric(ByteBuffer bb, DataOutputStream os)

13
libjava/classpath/gnu/classpath/jdwp/util/MethodResult.java
View File

@ -52,6 +52,9 @@ public class MethodResult
// Any Exception that was thrown by the executing method
private Exception thrownException;
// The type of this result
private Class resType;
public Object getReturnedValue()
{
@ -73,4 +76,14 @@ public class MethodResult
this.thrownException = thrownException;
}
public Class getResultType()
{
return resType;
}
public void setResultType(Class type)
{
resType = type;
}
}

76
libjava/classpath/gnu/classpath/jdwp/util/MonitorInfo.java Normal file
View File

@ -0,0 +1,76 @@
/* MonitorInfo.java -- class used to return monitor information
for JDWP.
Copyright (C) 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
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.util;
import gnu.classpath.jdwp.VMIdManager;
import gnu.classpath.jdwp.id.ObjectId;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* This class is used to pass monitor information between
* the JDWP back-end and the virtual machine.
*
* @author Keith Seitz (keiths@redhat.com)
*/
public class MonitorInfo
{
public int entryCount;
public Thread owner;
public Thread[] waiters;
public void write(DataOutputStream os)
throws IOException
{
VMIdManager idm = VMIdManager.getDefault();
ObjectId id = idm.getObjectId(owner);
id.write(os);
os.write(entryCount);
os.write(waiters.length);
for (int i = 0; i < waiters.length; ++i)
{
id = idm.getObjectId(waiters[i]);
id.write(os);
}
}
}

50
libjava/classpath/gnu/classpath/jdwp/util/NullObject.java Normal file
View File

@ -0,0 +1,50 @@
/* NullObject.java -- placeholder for null values
Copyright (C) 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.util;
/**
* This is a placeholder for null. There are several places in JDWP where null
* is a valid value (i.e. when geting the value of a variable slot that
* contains a null reference at that time). This class distinguishes between
* these "meaningful" null values and invalid null pointers.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public class NullObject
{
}

301
libjava/classpath/gnu/classpath/jdwp/util/Value.java
View File

@ -1,301 +0,0 @@
/* Value.java -- class to read/write JDWP tagged and untagged values
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.util;
import gnu.classpath.jdwp.JdwpConstants;
import gnu.classpath.jdwp.VMIdManager;
import gnu.classpath.jdwp.exception.InvalidFieldException;
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 java.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
/**
* A class to read/write JDWP tagged and untagged values.
*
* @author Aaron Luchko <aluchko@redhat.com>
*/
public class Value
{
/**
* Will write the given object as an untagged value to the DataOutputStream.
*
* @param os write the value here
* @param obj the Object to write
* @throws IOException
* @throws InvalidFieldException
*/
public static void writeUntaggedValue(DataOutputStream os, Object obj)
throws JdwpException, IOException
{
writeValue(os, obj, false);
}
/**
* Will write the given object as a tagged value to the DataOutputStream.
*
* @param os write the value here
* @param obj the Object to write
* @throws IOException
* @throws InvalidFieldException
*/
public static void writeTaggedValue(DataOutputStream os, Object obj)
throws JdwpException, IOException
{
writeValue(os, obj, true);
}
/**
* Will write the given object as either a value or an untagged value to the
* DataOutputStream.
*
* @param os write the value here
* @param obj the Object to write
* @param tagged true if the value is tagged, false otherwise
* @throws IOException
* @throws InvalidFieldException
*/
private static void writeValue(DataOutputStream os, Object obj,
boolean tagged)
throws IOException, JdwpException
{
Class clazz = obj.getClass();
if (clazz.isPrimitive())
{
if (clazz == byte.class)
{
if (tagged)
os.writeByte(JdwpConstants.Tag.BYTE);
os.writeByte(((Byte) obj).byteValue());
}
else if (clazz == char.class)
{
if (tagged)
os.writeByte(JdwpConstants.Tag.CHAR);
os.writeChar(((Character) obj).charValue());
}
else if (clazz == float.class)
{
if (tagged)
os.writeByte(JdwpConstants.Tag.FLOAT);
os.writeFloat(((Float) obj).floatValue());
}
else if (clazz == double.class)
{
if (tagged)
os.writeByte(JdwpConstants.Tag.DOUBLE);
os.writeDouble(((Double) obj).doubleValue());
}
else if (clazz == int.class)
{
if (tagged)
os.writeByte(JdwpConstants.Tag.BYTE);
os.writeInt(((Integer) obj).intValue());
}
else if (clazz == long.class)
{
if (tagged)
os.writeByte(JdwpConstants.Tag.LONG);
os.writeLong(((Long) obj).longValue());
}
else if (clazz == short.class)
{
if (tagged)
os.writeByte(JdwpConstants.Tag.SHORT);
os.writeInt(((Short) obj).shortValue());
}
else if (clazz == void.class)
{ // A 'void' has no data
if (tagged)
os.writeByte(JdwpConstants.Tag.VOID);
}
else if (clazz == boolean.class)
{
if (tagged)
os.writeByte(JdwpConstants.Tag.BOOLEAN);
os.writeBoolean(((Boolean) obj).booleanValue());
}
else
{ // This shouldn't be possible
throw new JdwpInternalErrorException(
"Field has invalid primitive!");
}
}
else
{
// Object is an Object, not a primitive type wrapped in an object
// Write the appropriate tag
if (tagged)
{
if (clazz.isArray())
os.writeByte(JdwpConstants.Tag.ARRAY);
else if (obj instanceof String)
os.writeByte(JdwpConstants.Tag.STRING);
else if (obj instanceof Thread)
os.writeByte(JdwpConstants.Tag.THREAD);
else if (obj instanceof ThreadGroup)
os.writeByte(JdwpConstants.Tag.THREAD_GROUP);
else if (obj instanceof ClassLoader)
os.writeByte(JdwpConstants.Tag.CLASS_LOADER);
else if (obj instanceof Class)
os.writeByte(JdwpConstants.Tag.CLASS_OBJECT);
else
os.writeByte(JdwpConstants.Tag.OBJECT);
}
ObjectId oid = VMIdManager.getDefault().getObjectId(obj);
oid.write(os);
}
}
/**
* Reads the appropriate object for the tagged value contained in the
* ByteBuffer.
*
* @param bb contains the Object
* @return The Object referenced by the value
* @throws JdwpException
* @throws IOException
*/
public static Object getObj(ByteBuffer bb)
throws JdwpException, IOException
{
return getUntaggedObj(bb, bb.get());
}
/**
* Reads an object of the given Class from the untagged value contained
* in the ByteBuffer.
*
* @param bb contains the Object
* @param type corresponds to the TAG of value to be read
* @return the resultant object
* @throws JdwpException
* @throws IOException
*/
public static Object getUntaggedObj(ByteBuffer bb, Class type)
throws JdwpException, IOException
{
if (type.isPrimitive())
{
if (type == byte.class)
return new Byte(bb.get());
else if (type == char.class)
return new Character(bb.getChar());
else if (type == float.class)
return new Float(bb.getFloat());
else if (type == double.class)
return new Double(bb.getDouble());
else if (type == int.class)
return new Integer(bb.getInt());
else if (type == long.class)
return new Long(bb.getLong());
else if (type == short.class)
return new Short(bb.getShort());
else if (type == boolean.class)
return Boolean.valueOf(bb.get() != 0);
else if (type == void.class)
return new byte[0];
else
{ // This shouldn't be possible
throw new JdwpInternalErrorException(
"Field has invalid primitive!");
}
}
else
{
// Field is an object
ObjectId oid = VMIdManager.getDefault().readObjectId(bb);
return oid.getObject();
}
}
/**
* Reads the an object of the given Class from the untagged value contained
* in the ByteBuffer.
*
* @param bb contains the Object
* @param tag TAG of the Value to be read
* @return the object
* @throws JdwpException
* @throws IOException
*/
public static Object getUntaggedObj(ByteBuffer bb, byte tag)
throws JdwpException, IOException
{
switch (tag)
{
case JdwpConstants.Tag.BYTE:
return new Byte(bb.get());
case JdwpConstants.Tag.CHAR:
return new Character(bb.getChar());
case JdwpConstants.Tag.FLOAT:
return new Float(bb.getFloat());
case JdwpConstants.Tag.DOUBLE:
return new Double(bb.getDouble());
case JdwpConstants.Tag.INT:
return new Integer(bb.getInt());
case JdwpConstants.Tag.LONG:
return new Long(bb.getLong());
case JdwpConstants.Tag.SHORT:
return new Short(bb.getShort());
case JdwpConstants.Tag.VOID:
return new byte[0];
case JdwpConstants.Tag.BOOLEAN:
return (bb.get() == 0) ? new Boolean(false) : new Boolean(true);
case JdwpConstants.Tag.STRING:
return JdwpString.readString(bb);
case JdwpConstants.Tag.ARRAY:
case JdwpConstants.Tag.THREAD:
case JdwpConstants.Tag.OBJECT:
case JdwpConstants.Tag.THREAD_GROUP:
case JdwpConstants.Tag.CLASS_LOADER:
case JdwpConstants.Tag.CLASS_OBJECT:
// All these cases are ObjectIds
ObjectId oid = VMIdManager.getDefault().readObjectId(bb);
return oid.getObject();
default:
throw new NotImplementedException("Tag " + tag
+ " is not implemented.");
}
}
}

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/* BooleanValue.java -- JDWP wrapper class for a boolean value
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an boolean value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public final class BooleanValue
extends Value
{
// The boolean wrapped by this class
boolean _value;
/**
* Create a new BooleanValue from an boolean
*
* @param value the boolean to wrap
*/
public BooleanValue(boolean value)
{
super(JdwpConstants.Tag.BOOLEAN);
_value = value;
}
/**
* Get the value held in this Value
*
* @return the value represented by this Value object
*/
public boolean getValue()
{
return _value;
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return new Boolean(_value);
}
/**
* Write the wrapped boolean to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
os.writeBoolean(_value);
}
}

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/* ByteValue.java -- JDWP wrapper class for a byte value
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an byte value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public final class ByteValue
extends Value
{
// The byte wrapped by this class
byte _value;
/**
* Create a new ByteValue from an byte
*
* @param value the byte to wrap
*/
public ByteValue(byte value)
{
super(JdwpConstants.Tag.BYTE);
_value = value;
}
/**
* Get the value held in this Value
*
* @return the value represented by this Value object
*/
public byte getValue()
{
return _value;
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return new Byte(_value);
}
/**
* Write the wrapped byte to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
os.writeByte(_value);
}
}

100
libjava/classpath/gnu/classpath/jdwp/value/CharValue.java Normal file
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/* CharValue.java -- JDWP wrapper class for a char value
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an char value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public final class CharValue
extends Value
{
// The char wrapped by this class
char _value;
/**
* Create a new CharValue from an char
*
* @param value the char to wrap
*/
public CharValue(char value)
{
super(JdwpConstants.Tag.CHAR);
_value = value;
}
/**
* Get the value held in this Value
*
* @return the value represented by this Value object
*/
public char getValue()
{
return _value;
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return new Character(_value);
}
/**
* Write the wrapped char to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
os.writeChar(_value);
}
}

100
libjava/classpath/gnu/classpath/jdwp/value/DoubleValue.java Normal file
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/* DoubleValue.java -- JDWP wrapper class for a double value
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an double value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public final class DoubleValue
extends Value
{
// The double wrapped by this class
double _value;
/**
* Create a new DoubleValue from an double
*
* @param value the double to wrap
*/
public DoubleValue(double value)
{
super(JdwpConstants.Tag.DOUBLE);
_value = value;
}
/**
* Get the value held in this Value
*
* @return the value represented by this Value object
*/
public double getValue()
{
return _value;
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return new Double(_value);
}
/**
* Write the wrapped double to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
os.writeDouble(_value);
}
}

100
libjava/classpath/gnu/classpath/jdwp/value/FloatValue.java Normal file
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/* FloatValue.java -- JDWP wrapper class for a float value
Copyright (C) 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
afloat 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an float value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public final class FloatValue
extends Value
{
// The float wrapped by this class
float _value;
/**
* Create a new FloatValue from an float
*
* @param value the float to wrap
*/
public FloatValue(float value)
{
super(JdwpConstants.Tag.FLOAT);
_value = value;
}
/**
* Get the value held in this Value
*
* @return the value represented by this Value object
*/
public float getValue()
{
return _value;
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return new Float(_value);
}
/**
* Write the wrapped float to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
os.writeFloat(_value);
}
}

100
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/* IntValue.java -- JDWP wrapper class for an int value
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an int value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public final class IntValue
extends Value
{
// The int wrapped by this class
int _value;
/**
* Create a new IntValue from an int
*
* @param value the int to wrap
*/
public IntValue(int value)
{
super(JdwpConstants.Tag.INT);
_value = value;
}
/**
* Get the value held in this Value
*
* @return the value represented by this Value object
*/
public int getValue()
{
return _value;
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return new Integer(_value);
}
/**
* Write the wrapped int to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
os.writeInt(_value);
}
}

100
libjava/classpath/gnu/classpath/jdwp/value/LongValue.java Normal file
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/* LongValue.java -- JDWP wrapper class for a long value
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an long value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public final class LongValue
extends Value
{
// The long wrapped by this class
long _value;
/**
* Create a new LongValue from an long
*
* @param value the long to wrap
*/
public LongValue(long value)
{
super(JdwpConstants.Tag.LONG);
_value = value;
}
/**
* Get the value held in this Value
*
* @return the value represented by this Value object
*/
public long getValue()
{
return _value;
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return new Long(_value);
}
/**
* Write the wrapped long to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
os.writeLong(_value);
}
}

92
libjava/classpath/gnu/classpath/jdwp/value/ObjectValue.java Normal file
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/* ObjectValue.java -- JDWP wrapper class for an Object value
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import gnu.classpath.jdwp.VMIdManager;
import gnu.classpath.jdwp.id.ObjectId;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an Object value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public final class ObjectValue
extends Value
{
// The Object wrapped by this class
Object _value;
/**
* Create a new ObjectValue from an Object
*
* @param value the Object to wrap
*/
public ObjectValue(Object value)
{
super(JdwpConstants.Tag.OBJECT);
_value = value;
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return _value;
}
/**
* Write the wrapped object to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
ObjectId oid = VMIdManager.getDefault().getObjectId(_value);
oid.write(os);
}
}

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libjava/classpath/gnu/classpath/jdwp/value/ShortValue.java Normal file
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/* ShortValue.java -- JDWP wrapper class for a short value
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an short value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public final class ShortValue
extends Value
{
// The short wrapped by this class
short _value;
/**
* Create a new ShortValue from a short
*
* @param value the short to wrap
*/
public ShortValue(short value)
{
super(JdwpConstants.Tag.SHORT);
_value = value;
}
/**
* Get the value held in this Value
*
* @return the value represented by this Value object
*/
public short getValue()
{
return _value;
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return new Short(_value);
}
/**
* Write the wrapped short to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
os.writeShort(_value);
}
}

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/* StringValue.java -- JDWP wrapper class for an String value
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import gnu.classpath.jdwp.util.JdwpString;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an String value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public final class StringValue
extends Value
{
// The String wrapped by this class
String _value;
/**
* Create a new StringValue from an String
*
* @param value the String to wrap
*/
public StringValue(String value)
{
super(JdwpConstants.Tag.OBJECT);
_value = value;
}
/**
* Get the value held in this Value
*
* @return the value represented by this Value object
*/
public String getValue()
{
return _value;
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return _value;
}
/**
* Write the wrapped object to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
JdwpString.writeString(os, _value);
}
}

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/* Value.java -- base class of JDWP values
Copyright (C) 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.value;
import gnu.classpath.jdwp.exception.InvalidClassException;
import gnu.classpath.jdwp.exception.InvalidObjectException;
import gnu.classpath.jdwp.exception.InvalidTagException;
import gnu.classpath.jdwp.exception.JdwpInternalErrorException;
import java.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
/**
* Superclass for all JDWP Values.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public abstract class Value
{
// A Tag representing the type of this value
private byte _tag;
/**
* Create a new value of type tag.
*
* @param tag the type of the value
*/
protected Value(byte tag)
{
_tag = tag;
}
/**
* Get the tag for this Value
*
* @return the byte tag of this Value
*/
public byte getTag()
{
return _tag;
}
/**
* Calls the dervied classes writeValue method to write its value to the
* DataOutputStream.
*
* @param os write the value here
* @throws IOException
*/
public void writeUntagged(DataOutputStream os)
throws IOException
{
write(os);
}
/**
* Will write the given object as a tagged value to the DataOutputStream.
*
* @param os write the value here
* @param obj the Object to write
* @throws IOException
*/
public void writeTagged(DataOutputStream os)
throws IOException
{
os.write (_tag);
write(os);
}
/**
* This method must write the value to the DataOutputStream in a manner
* appropriate for the type of the value.
*
* @param os DataOutputStream to write to
* @throws IOException
*/
protected abstract void write(DataOutputStream os)
throws IOException;
/**
* Returns an object representing this type
*
* @return an Object represntation of this value
*/
protected abstract Object getObject();
/**
* Get an untagged object from the ByteBuffer
*
* @param bb the ByteBuffer to extract the value from
* @param type a Class representing the type
* @return an Object from the ByteBuffer of the type of the Class parameter
* @throws JdwpInternalErrorException
* @throws InvalidObjectException
*/
public static Object getUntaggedObject(ByteBuffer bb, Class type)
throws JdwpInternalErrorException, InvalidObjectException, InvalidClassException
{
Value val = ValueFactory.createFromUntagged(bb, type);
return val.getObject();
}
/**
* Get an untagged object from the ByteBuffer
*
* @param bb the ByteBuffer to extract the value from
* @param tag a byte tag representing the type
* @return an Object from the ByteBuffer of the type of the Class parameter
* @throws JdwpInternalErrorException
* @throws InvalidObjectException
*/
public static Object getTaggedObject(ByteBuffer bb)
throws JdwpInternalErrorException, InvalidObjectException, InvalidTagException
{
Value val = ValueFactory.createFromTagged(bb);
return val.getObject();
}
}

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/* ValueFactory.java -- factory to create JDWP Values
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import gnu.classpath.jdwp.VMIdManager;
import gnu.classpath.jdwp.exception.InvalidClassException;
import gnu.classpath.jdwp.exception.InvalidObjectException;
import gnu.classpath.jdwp.exception.InvalidTagException;
import gnu.classpath.jdwp.exception.JdwpInternalErrorException;
import gnu.classpath.jdwp.id.ObjectId;
import gnu.classpath.jdwp.util.JdwpString;
import java.nio.ByteBuffer;
/**
* A factory to create JDWP Values.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public class ValueFactory
{
/**
* Creates a new Value of appropriate type for the value in the ByteBuffer
* by reading the tag byte from the front of the buffer.
*
* @param bb contains the Object
* @return A new Value of appropriate type
* @throws JdwpInternalErrorException
* @throws InvalidObjectException
*/
public static Value createFromTagged(ByteBuffer bb)
throws JdwpInternalErrorException, InvalidObjectException, InvalidTagException
{
return create(bb, bb.get());
}
/**
* Creates a new Value of appropriate type for the value in the ByteBuffer
* by checking the type of the Class passed in.
*
* @param bb contains the Object
* @param type a Class representing the type of the value in the ByteBuffer
* @return A new Value of appropriate type
* @throws JdwpInternalErrorException
* @throws InvalidObjectException
*/
public static Value createFromUntagged(ByteBuffer bb, Class type)
throws JdwpInternalErrorException, InvalidObjectException, InvalidClassException
{
byte tag = getTagForClass(type);
try
{
return create(bb, tag);
}
catch (InvalidTagException ite)
{
throw new InvalidClassException(ite);
}
}
/**
* Creates a new Value of appropriate type for the value in the ByteBuffer.
*
* @param bb contains the Object
* @param tag a byte representing the type of the object
* @return A new Value of appropriate type
* @throws JdwpInternalErrorException
* @throws InvalidObjectException
*/
private static Value create(ByteBuffer bb, byte tag)
throws JdwpInternalErrorException, InvalidObjectException, InvalidTagException
{
Value val = null;
switch(tag)
{
case JdwpConstants.Tag.BYTE:
val = new ByteValue(bb.get());
break;
case JdwpConstants.Tag.BOOLEAN:
val = new BooleanValue((bb.get() != 0));
break;
case JdwpConstants.Tag.CHAR:
val = new CharValue(bb.getChar());
break;
case JdwpConstants.Tag.SHORT:
val = new ShortValue(bb.getShort());
break;
case JdwpConstants.Tag.INT:
val = new IntValue(bb.getInt());
break;
case JdwpConstants.Tag.FLOAT:
val = new FloatValue(bb.getFloat());
break;
case JdwpConstants.Tag.LONG:
val = new LongValue(bb.getLong());
break;
case JdwpConstants.Tag.DOUBLE:
val = new DoubleValue(bb.getDouble());
break;
case JdwpConstants.Tag.VOID:
val = new VoidValue();
break;
case JdwpConstants.Tag.ARRAY:
case JdwpConstants.Tag.THREAD:
case JdwpConstants.Tag.OBJECT:
case JdwpConstants.Tag.THREAD_GROUP:
case JdwpConstants.Tag.CLASS_LOADER:
case JdwpConstants.Tag.CLASS_OBJECT:
ObjectId oid = VMIdManager.getDefault().readObjectId(bb);
val = new ObjectValue(oid.getObject());
break;
case JdwpConstants.Tag.STRING:
val = new StringValue(JdwpString.readString(bb));
break;
default:
throw new InvalidTagException(tag);
}
return val;
}
/**
* Creates a tag for the type of the class.
*
* @param klass the type to get a tag for
* @return a byte tag representing the class
* @throws JdwpInternalErrorException
* @throws InvalidObjectException
*/
private static byte getTagForClass(Class klass)
throws JdwpInternalErrorException
{
byte tag;
if (klass.isPrimitive())
{
if (klass == byte.class)
tag = JdwpConstants.Tag.BYTE;
else if (klass == boolean.class)
tag = JdwpConstants.Tag.BOOLEAN;
else if (klass == char.class)
tag = JdwpConstants.Tag.CHAR;
else if (klass == short.class)
tag = JdwpConstants.Tag.SHORT;
else if (klass == int.class)
tag = JdwpConstants.Tag.INT;
else if (klass == float.class)
tag = JdwpConstants.Tag.FLOAT;
else if (klass == long.class)
tag = JdwpConstants.Tag.LONG;
else if (klass == double.class)
tag = JdwpConstants.Tag.DOUBLE;
else if (klass == void.class)
tag = JdwpConstants.Tag.VOID;
else
throw new JdwpInternalErrorException("Invalid primitive class");
}
else
{
tag = JdwpConstants.Tag.OBJECT;
}
return tag;
}
/**
* Create a value type for an Object of type determined by a Class. This is
* a special case where a value needs to be created, but the value to create
* it for is already in an object, not in a buffer.
*
* @param value the Object to convert to a Value
* @param type the Class type of the object
* @return a new Value representing this object
*/
public static Value createFromObject(Object value, Class type)
{
Value val = null;
if (type.isPrimitive())
{
if (type == byte.class)
val = new ByteValue(((Byte) value).byteValue());
else if (type == boolean.class)
val = new BooleanValue(((Boolean) value).booleanValue());
else if (type == char.class)
val = new CharValue(((Character) value).charValue());
else if (type == short.class)
val = new ShortValue(((Short) value).shortValue());
else if (type == int.class)
val = new IntValue(((Integer) value).intValue());
else if (type == float.class)
val = new FloatValue(((Float) value).floatValue());
else if (type == long.class)
val = new LongValue(((Long) value).longValue());
else if (type == double.class)
val = new DoubleValue(((Double) value).doubleValue());
else if (type == void.class)
val = new VoidValue();
}
else
{
if (type.isAssignableFrom(String.class))
val = new StringValue ((String) value);
else
val = new ObjectValue(value);
}
return val;
}
}

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/* VoidValue.java -- JDWP wrapper class for a void value
Copyright (C) 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.value;
import gnu.classpath.jdwp.JdwpConstants;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Wrapper for an void value.
*
* @author Kyle Galloway <kgallowa@redhat.com>
*/
public class VoidValue
extends Value
{
/**
* Create a new VoidValue.
*/
public VoidValue ()
{
super(JdwpConstants.Tag.VOID);
}
/**
* Return an object representing this type
*
* @return an Object represntation of this value
*/
@Override
protected Object getObject()
{
return null;
}
/**
* Write the wrapped void to the given DataOutputStream.
*
* @param os the output stream to write to
*/
@Override
protected void write(DataOutputStream os)
throws IOException
{
}
}

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