gnu.classpath.jdwp

Class VMFrame


public class VMFrame
extends Object

Reference implementation of VM hooks for JDWP Frame access.

Field Summary

static int
SIZE
Returns the size of a frame ID over JDWP

Constructor Summary

VMFrame(Thread thr, long frame_id, Location frame_loc, Object frame_obj)
Create a new VMFrame object.

Method Summary

long
getId()
Get the frameID
Location
getLocation()
Gets the current location of the frame.
Object
getObject()
Get the object which is represented by 'this' in the context of the frame, returns null if the method is native or static.
Thread
getThread()
Get the thread this frame is in.
Value
getValue(int slot, byte sig)
Returns the value of the variable in the given slot.
void
setValue(int slot, Value value)
Assigns the given variable to the given value.

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SIZE

public static final int SIZE
Returns the size of a frame ID over JDWP
Field Value:
8

Constructor Details

VMFrame

public VMFrame(Thread thr,
               long frame_id,
               Location frame_loc,
               Object frame_obj)
Create a new VMFrame object.
Parameters:
thr - a Thread, the thread this frame is in
frame_id - a long, the jframeID of this frame
frame_loc - a Location, the location of this frame

Method Details

getId

public long getId()
Get the frameID
Returns:
an id which is unique within the scope of the VM

getLocation

public Location getLocation()
Gets the current location of the frame.

getObject

public Object getObject()
Get the object which is represented by 'this' in the context of the frame, returns null if the method is native or static.

getThread

public Thread getThread()
Get the thread this frame is in.

getValue

public Value getValue(int slot,
                      byte sig)
Returns the value of the variable in the given slot.
Parameters:
slot - the slot containing the variable

setValue

public void setValue(int slot,
                     Value value)
Assigns the given variable to the given value.
Parameters:
slot - The slot which contains the variable
value - The value to assign the variable to

VMFrame.java -- Reference implementation of VM hooks for JDWP Frame access. Copyright (C) 2005, 2006, 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.