debug/org.eclipse.ptp.debug.core/src/org/eclipse/ptp/debug/internal/core/model/PValue.java - ptp/org.eclipse.ptp - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005 The Regents of the University of California.
  * This material was produced under U.S. Government contract W-7405-ENG-36
  * for Los Alamos National Laboratory, which is operated by the University
  * of California for the U.S. Department of Energy. The U.S. Government has
  * rights to use, reproduce, and distribute this software. NEITHER THE
  * GOVERNMENT NOR THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR
  * ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified
  * to produce derivative works, such modified software should be clearly marked,
  * so as not to confuse it with the version available from LANL.
  *
  * Additionally, this program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * LA-CC 04-115
  *******************************************************************************/
 package org.eclipse.ptp.debug.internal.core.model;

 import java.math.BigInteger;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import org.eclipse.cdt.core.IAddress;
 import org.eclipse.cdt.core.IAddressFactory;
 import org.eclipse.debug.core.DebugException;
 import org.eclipse.debug.core.model.IVariable;
 import org.eclipse.ptp.debug.core.aif.AIFException;
 import org.eclipse.ptp.debug.core.aif.IAIFType;
 import org.eclipse.ptp.debug.core.aif.IAIFTypeChar;
 import org.eclipse.ptp.debug.core.aif.IAIFTypeFloat;
 import org.eclipse.ptp.debug.core.aif.IAIFTypeInt;
 import org.eclipse.ptp.debug.core.aif.IAIFTypePointer;
 import org.eclipse.ptp.debug.core.aif.IAIFTypeReference;
 import org.eclipse.ptp.debug.core.aif.IAIFTypeString;
 import org.eclipse.ptp.debug.core.aif.IAIFValue;
 import org.eclipse.ptp.debug.core.aif.IAIFValueChar;
 import org.eclipse.ptp.debug.core.aif.IAIFValueFloat;
 import org.eclipse.ptp.debug.core.aif.IAIFValueInt;
 import org.eclipse.ptp.debug.core.aif.IAIFValuePointer;
 import org.eclipse.ptp.debug.core.aif.IAIFValueReference;
 import org.eclipse.ptp.debug.core.aif.IAIFValueString;
 import org.eclipse.ptp.debug.core.aif.ITypeAggregate;
 import org.eclipse.ptp.debug.core.aif.ITypeDerived;
 import org.eclipse.ptp.debug.core.cdi.PCDIException;
 import org.eclipse.ptp.debug.core.cdi.model.IPCDIVariable;
 import org.eclipse.ptp.debug.core.model.IPDebugElementStatus;
 import org.eclipse.ptp.debug.core.model.IPStackFrame;
 import org.eclipse.ptp.debug.core.model.IPType;
 import org.eclipse.ptp.debug.core.model.PVariableFormat;

 /**
  * @author Clement chu
  *
  */
 public class PValue extends AbstractPValue {
 	private String fValueString = null;
 	private List<IVariable> fVariables = Collections.EMPTY_LIST;
 	private PType fType;
 	private IPCDIVariable fVariable;

 	protected PValue(PVariable parent, IPCDIVariable variable) {
 		super(parent);
 		fVariable = variable;
 	}
 	protected PValue(PVariable parent, String message) {
 		super(parent);
 		setStatus(IPDebugElementStatus.ERROR, message);
 	}
 	public String getReferenceTypeName() throws DebugException {
 		return (getParentVariable() != null) ? getParentVariable().getReferenceTypeName() : null;
 	}
 	public String getValueString() throws DebugException {
 		if (fValueString == null && getUnderlyingValue() != null) {
 			resetStatus();
 			IPStackFrame pframe = getParentVariable().getStackFrame();
 			boolean isSuspended = (pframe == null) ? getCDITarget().isSuspended() : pframe.isSuspended();
 			if (isSuspended) {
 				try {
 					if (fVariable == null) {
 						targetRequestFailed("No variable found", null);
 					}
 					fValueString = processUnderlyingValue(fVariable.getType(), fVariable.getValue());
 				} catch (PCDIException pe) {
 					setStatus(IPDebugElementStatus.ERROR, pe.getMessage());
 				} catch (AIFException e) {
 					setStatus(IPDebugElementStatus.ERROR, e.getMessage());
 				}
 			}
 		}
 		return fValueString;
 	}
 	public boolean isAllocated() throws DebugException {
 		return true;
 	}
 	public IVariable[] getVariables() throws DebugException {
 		List<IVariable> list = getVariables0();
 		return (IVariable[]) list.toArray(new IVariable[list.size()]);
 	}
 	protected synchronized List<IVariable> getVariables0() throws DebugException {
 		if (!isAllocated() || !hasVariables())
 			return Collections.EMPTY_LIST;
 		if (fVariables.size() == 0) {
 			try {
 				List<IPCDIVariable> vars = getCDIVariables();
 				fVariables = new ArrayList<IVariable>(vars.size());
 				Iterator it = vars.iterator();
 				while (it.hasNext()) {
 					fVariables.add(PVariableFactory.createLocalVariable(this, (IPCDIVariable)it.next()));
 				}
 				resetStatus();
 			} catch (DebugException e) {
 				setStatus(IPDebugElementStatus.ERROR, e.getMessage());
 			}
 		}
 		return fVariables;
 	}
 	public boolean hasVariables() throws DebugException {
 		try {
 			IPCDIVariable var = getCurrentVariable();
 			if (var != null) {
 				//return var.getChildrenNumber()>0;
 				IAIFType type = var.getType();
 				if (type instanceof ITypeAggregate) {
 					return true;
 				}
 				if (type instanceof ITypeDerived) {
 					return true;
 				}
 			}
 		} catch (PCDIException e) {
 			targetRequestFailed(e.getMessage(), null);
 		}
 		return false;
 	}
 	public IPCDIVariable getCurrentVariable() {
 		return fVariable;
 	}
 	public IAIFValue getUnderlyingValue() {
 		try {
 			return getCurrentVariable().getValue();
 		} catch (PCDIException e) {
 			return null;
 		}
 	}
 	protected List<IPCDIVariable> getCDIVariables() throws DebugException {
 		IPCDIVariable[] vars = null;
 		try {
 			IPCDIVariable var = getCurrentVariable();
 			vars = var.getChildren();
 			if (vars == null) {
 				vars = new IPCDIVariable[0];
 			}
 		} catch (PCDIException e) {
 			requestFailed(e.getMessage(), e);
 		}
 		return Arrays.asList(vars);
 	}
 	protected synchronized void setChanged(boolean changed) {
 		if (changed) {
 			fValueString = null;
 			resetStatus();
 		}
 		else {
 			//if (getCDITarget().getConfiguration() instanceof IPCDITargetConfiguration2 && ((IPCDITargetConfiguration2)getCDITarget().getConfiguration()).supportsPassiveVariableUpdate())
 				//fValueString = null;
 		}
 		Iterator it = fVariables.iterator();
 		while (it.hasNext()) {
 			((AbstractPVariable) it.next()).setChanged(changed);
 		}
 	}
 	public void dispose() {
 		Iterator it = fVariables.iterator();
 		while (it.hasNext()) {
 			((AbstractPVariable) it.next()).dispose();
 		}
 	}
 	protected String processUnderlyingValue(IAIFType aifType, IAIFValue aifValue) throws AIFException {
 		if (aifValue != null) {
 			if (aifType instanceof IAIFTypeChar)
 				return getCharValueString((IAIFValueChar) aifValue);
 			else if (aifType instanceof IAIFTypeInt)
 				return getIntValueString((IAIFValueInt) aifValue);
 			else if (aifType instanceof IAIFTypeFloat)
 				return getFloatingPointValueString((IAIFValueFloat) aifValue);
 			else if (aifType instanceof IAIFTypePointer)
 				return getPointerValueString((IAIFValuePointer) aifValue);
 			else if (aifType instanceof IAIFTypeReference)
 				return processUnderlyingValue(aifType, ((IAIFValueReference) aifValue).getParent());
 			else if (aifType instanceof IAIFTypeString)
 				return getWCharValueString((IAIFValueString) aifValue);
 			else if (aifType instanceof ITypeAggregate)
 				return "{...}";
 			else
 				return aifValue.getValueString();
 		}
 		return null;
 	}
 	private String getCharValueString(IAIFValueChar value) throws AIFException {
 		PVariableFormat format = getParentVariable().getFormat();
 		char charValue = value.charValue();
 		if (PVariableFormat.NATURAL.equals(format)) {
 			return ((Character.isISOControl(charValue) && charValue != '\b' && charValue != '\t' && charValue != '\n' && charValue != '\f' && charValue != '\r') || charValue < 0) ? "" : "\'" + value.getValueString() + "\'";
 		} else if (PVariableFormat.DECIMAL.equals(format)) {
 			return Integer.toString((byte)charValue);
 			//return (isSigned()) ? Integer.toString(byteValue): Integer.toString(value.shortValue());
 		} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
 			StringBuffer sb = new StringBuffer("0x");
 			String stringValue = Integer.toString((byte)charValue);
 			//String stringValue = (isSigned()) ? Integer.toHexString((byte) value.byteValue()) : Integer.toHexString(value.shortValue());
 			sb.append((stringValue.length() > 2) ? stringValue.substring(stringValue.length() - 2) : stringValue);
 			return sb.toString();
 		}
 		return null;
 	}
 	private String getIntValueString(IAIFValueInt value) throws AIFException {
 		PVariableFormat format = getParentVariable().getFormat();
 		String stringValue = value.getValueString();
 		if (PVariableFormat.NATURAL.equals(format) || PVariableFormat.DECIMAL.equals(format)) {
 			return stringValue;
 			//return (isSigned()) ? Integer.toString(value.intValue()) : Long.toString(value.longValue());
 		} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
 			StringBuffer sb = new StringBuffer("0x");
 			if (value.isShort()) {
 				stringValue = Integer.toHexString(value.shortValue());
 			} else if (value.isInt()) {
 				stringValue = Integer.toHexString(value.intValue());
 			} else if (value.isLong()) {
 				stringValue = Long.toHexString(value.longValue());
 			}
 			//String stringValue = (isSigned()) ? Integer.toHexString(value.intValue()) : Long.toHexString(value.longValue());
 			sb.append((stringValue.length() > 8) ? stringValue.substring(stringValue.length() - 8) : stringValue);
 			return sb.toString();
 		}
 		return null;
 	}
 	private String getFloatingPointValueString(IAIFValueFloat value) throws AIFException {
 		if (value.isDouble()) {
 			return getDoubleValueString(value.getValueString());
 		} else if (value.isFloat()) {
 			return getFloatValueString(value.getValueString());
 		} else {
 			return value.getValueString();
 		}
 	}
 	private String getFloatValueString(String floatValue) throws AIFException {
 		PVariableFormat format = getParentVariable().getFormat();
 		if (PVariableFormat.NATURAL.equals(format)) {
 			return floatValue;
 		}

 		Float flt = new Float(floatValue);
 		if (flt.isNaN() || flt.isInfinite())
 			return "";
 		long longValue = flt.longValue();
 		if (PVariableFormat.DECIMAL.equals(format)) {
 			return Long.toString(longValue);
 		} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
 			StringBuffer sb = new StringBuffer("0x");
 			String stringValue = Long.toHexString(longValue);
 			sb.append((stringValue.length() > 8) ? stringValue.substring(stringValue.length() - 8) : stringValue);
 			return sb.toString();
 		}
 		return floatValue;
 	}
 	private String getDoubleValueString(String doubleValue) throws AIFException {
 		PVariableFormat format = getParentVariable().getFormat();
 		if (PVariableFormat.NATURAL.equals(format)) {
 			return doubleValue;
 		}

 		Double dbl = new Double(doubleValue);
 		if (dbl.isNaN() || dbl.isInfinite())
 			return "";
 		long longValue = dbl.longValue();
 		if (PVariableFormat.DECIMAL.equals(format)) {
 			return Long.toString(longValue);
 		} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
 			StringBuffer sb = new StringBuffer("0x");
 			String stringValue = Long.toHexString(longValue);
 			sb.append((stringValue.length() > 16) ? stringValue.substring(stringValue.length() - 16) : stringValue);
 			return sb.toString();
 		}
 		return doubleValue;
 	}
 	private String getPointerValueString(IAIFValuePointer value) throws AIFException {
 		//IAIFValue baseValue = value.getValue();
 		//if (baseValue instanceof IValueAggregate) {//if base type is not primitive type display address;
 			IAddressFactory factory = ((PDebugTarget) getDebugTarget()).getAddressFactory();
 			BigInteger pv = value.pointerValue();
 			if (pv == null)
 				return "";
 			IAddress address = factory.createAddress(pv);
 			if (address == null)
 				return "";
 			PVariableFormat format = getParentVariable().getFormat();
 			if (PVariableFormat.NATURAL.equals(format) || PVariableFormat.HEXADECIMAL.equals(format))
 				return address.toHexAddressString();
 			if (PVariableFormat.DECIMAL.equals(format))
 				return address.toString();
 		//}
 		//else {
 			//return baseValue.getValueString();
 		//}
 		return null;
 	}
 	private String getWCharValueString(IAIFValueString value) throws AIFException {
 		return value.getValueString();
 		/*
 		if (getParentVariable() instanceof PVariable) {
 			PVariableFormat format = getParentVariable().getFormat();
 			if (PVariableFormat.NATURAL.equals(format) || PVariableFormat.DECIMAL.equals(format)) {
 				return (isSigned()) ? Short.toString(value.shortValue()) : Integer.toString(value.intValue());
 			} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
 				StringBuffer sb = new StringBuffer("0x");
 				String stringValue = Integer.toHexString((isSigned()) ? value.shortValue() : value.intValue());
 				sb.append((stringValue.length() > 4) ? stringValue.substring(stringValue.length() - 4) : stringValue);
 				return sb.toString();
 			}
 		}
 		int size = ((PVariable) getParentVariable()).sizeof();
 		if (size == 4) {
 			PVariableFormat format = getParentVariable().getFormat();
 			if (PVariableFormat.NATURAL.equals(format) || PVariableFormat.DECIMAL.equals(format)) {
 				return (isSigned()) ? Integer.toString(value.intValue()) : Long.toString(value.longValue());
 			} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
 				StringBuffer sb = new StringBuffer("0x");
 				String stringValue = (isSigned()) ? Integer.toHexString(value.intValue()) : Long.toHexString(value.longValue());
 				sb.append((stringValue.length() > 8) ? stringValue.substring(stringValue.length() - 8) : stringValue);
 				return sb.toString();
 			}
 		}
 		*/
 	}
 	/*
 	private boolean isSigned() {
 		boolean result = false;
 		try {
 			IPType type = getParentVariable().getType();
 			if (type != null)
 				result = type.isSigned();
 		} catch (DebugException e) {
 		}
 		return result;
 	}
 	*/
 	protected void reset() {
 		resetStatus();
 		fValueString = null;
 		Iterator it = fVariables.iterator();
 		while (it.hasNext()) {
 			((AbstractPVariable) it.next()).resetValue();
 		}
 	}
 	public IPType getType() throws DebugException {
 		IAIFValue aifValue = getUnderlyingValue();
 		if (fType == null) {
 			if (aifValue != null) {
 				synchronized (this) {
 					if (fType == null) {
 						fType = new PType(aifValue.getType());
 					}
 				}
 			}
 		}
 		return fType;
 	}
 	protected void preserve() {
 		setChanged(false);
 		resetStatus();
 		Iterator it = fVariables.iterator();
 		while (it.hasNext()) {
 			((AbstractPVariable) it.next()).preserve();
 		}
 	}
 }

 /*
 	private String getLongValueString(IAIFValueLong value) throws PCDIException {
 		try {
 			PVariableFormat format = getParentVariable().getFormat();
 			if (PVariableFormat.NATURAL.equals(format) || PVariableFormat.DECIMAL.equals(format)) {
 				if (!isSigned()) {
 					BigInteger bigValue = new BigInteger(value.getValueString());
 					return bigValue.toString();
 				}
 				return Long.toString(value.longValue());
 			} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
 				StringBuffer sb = new StringBuffer("0x");
 				if (isSigned()) {
 					sb.append(Long.toHexString(value.longValue()));
 				} else {
 					BigInteger bigValue = new BigInteger(value.getValueString());
 					sb.append(bigValue.toString(16));
 				}
 				return sb.toString();
 			}
 		} catch (NumberFormatException e) {
 		}
 		return null;
 	}
 	private String getLongLongValueString(IAIFValueLongLong value) throws PCDIException {
 		try {
 			PVariableFormat format = getParentVariable().getFormat();
 			if (PVariableFormat.NATURAL.equals(format) || PVariableFormat.DECIMAL.equals(format)) {
 				if (!isSigned()) {
 					BigInteger bigValue = new BigInteger(value.getValueString());
 					return bigValue.toString();
 				}
 				return Long.toString(value.longValue());
 			} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
 				StringBuffer sb = new StringBuffer("0x");
 				if (isSigned()) {
 					sb.append(Long.toHexString(value.longValue()));
 				} else {
 					BigInteger bigValue = new BigInteger(value.getValueString());
 					sb.append(bigValue.toString(16));
 				}
 				return sb.toString();
 			}
 		} catch (NumberFormatException e) {
 		}
 		return null;
 	}
 	private String getShortValueString(IAIFValueShort value) throws PCDIException {
 		PVariableFormat format = getParentVariable().getFormat();
 		if (PVariableFormat.NATURAL.equals(format) || PVariableFormat.DECIMAL.equals(format)) {
 			return (isSigned()) ? Short.toString(value.shortValue()) : Integer.toString(value.intValue());
 		} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
 			StringBuffer sb = new StringBuffer("0x");
 			String stringValue = Integer.toHexString((isSigned()) ? value.shortValue() : value.intValue());
 			sb.append((stringValue.length() > 4) ? stringValue.substring(stringValue.length() - 4) : stringValue);
 			return sb.toString();
 		}
 		return null;
 	}
 */
	/*******************************************************************************
	* Copyright (c) 2005 The Regents of the University of California.
	* This material was produced under U.S. Government contract W-7405-ENG-36
	* for Los Alamos National Laboratory, which is operated by the University
	* of California for the U.S. Department of Energy. The U.S. Government has
	* rights to use, reproduce, and distribute this software. NEITHER THE
	* GOVERNMENT NOR THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR
	* ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified
	* to produce derivative works, such modified software should be clearly marked,
	* so as not to confuse it with the version available from LANL.
	*
	* Additionally, this program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* LA-CC 04-115
	*******************************************************************************/
	package org.eclipse.ptp.debug.internal.core.model;

	import java.math.BigInteger;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Collections;
	import java.util.Iterator;
	import java.util.List;
	import org.eclipse.cdt.core.IAddress;
	import org.eclipse.cdt.core.IAddressFactory;
	import org.eclipse.debug.core.DebugException;
	import org.eclipse.debug.core.model.IVariable;
	import org.eclipse.ptp.debug.core.aif.AIFException;
	import org.eclipse.ptp.debug.core.aif.IAIFType;
	import org.eclipse.ptp.debug.core.aif.IAIFTypeChar;
	import org.eclipse.ptp.debug.core.aif.IAIFTypeFloat;
	import org.eclipse.ptp.debug.core.aif.IAIFTypeInt;
	import org.eclipse.ptp.debug.core.aif.IAIFTypePointer;
	import org.eclipse.ptp.debug.core.aif.IAIFTypeReference;
	import org.eclipse.ptp.debug.core.aif.IAIFTypeString;
	import org.eclipse.ptp.debug.core.aif.IAIFValue;
	import org.eclipse.ptp.debug.core.aif.IAIFValueChar;
	import org.eclipse.ptp.debug.core.aif.IAIFValueFloat;
	import org.eclipse.ptp.debug.core.aif.IAIFValueInt;
	import org.eclipse.ptp.debug.core.aif.IAIFValuePointer;
	import org.eclipse.ptp.debug.core.aif.IAIFValueReference;
	import org.eclipse.ptp.debug.core.aif.IAIFValueString;
	import org.eclipse.ptp.debug.core.aif.ITypeAggregate;
	import org.eclipse.ptp.debug.core.aif.ITypeDerived;
	import org.eclipse.ptp.debug.core.cdi.PCDIException;
	import org.eclipse.ptp.debug.core.cdi.model.IPCDIVariable;
	import org.eclipse.ptp.debug.core.model.IPDebugElementStatus;
	import org.eclipse.ptp.debug.core.model.IPStackFrame;
	import org.eclipse.ptp.debug.core.model.IPType;
	import org.eclipse.ptp.debug.core.model.PVariableFormat;

	/**
	* @author Clement chu
	*
	*/
	public class PValue extends AbstractPValue {
	private String fValueString = null;
	private List<IVariable> fVariables = Collections.EMPTY_LIST;
	private PType fType;
	private IPCDIVariable fVariable;

	protected PValue(PVariable parent, IPCDIVariable variable) {
	super(parent);
	fVariable = variable;
	}
	protected PValue(PVariable parent, String message) {
	super(parent);
	setStatus(IPDebugElementStatus.ERROR, message);
	}
	public String getReferenceTypeName() throws DebugException {
	return (getParentVariable() != null) ? getParentVariable().getReferenceTypeName() : null;
	}
	public String getValueString() throws DebugException {
	if (fValueString == null && getUnderlyingValue() != null) {
	resetStatus();
	IPStackFrame pframe = getParentVariable().getStackFrame();
	boolean isSuspended = (pframe == null) ? getCDITarget().isSuspended() : pframe.isSuspended();
	if (isSuspended) {
	try {
	if (fVariable == null) {
	targetRequestFailed("No variable found", null);
	}
	fValueString = processUnderlyingValue(fVariable.getType(), fVariable.getValue());
	} catch (PCDIException pe) {
	setStatus(IPDebugElementStatus.ERROR, pe.getMessage());
	} catch (AIFException e) {
	setStatus(IPDebugElementStatus.ERROR, e.getMessage());
	}
	}
	}
	return fValueString;
	}
	public boolean isAllocated() throws DebugException {
	return true;
	}
	public IVariable[] getVariables() throws DebugException {
	List<IVariable> list = getVariables0();
	return (IVariable[]) list.toArray(new IVariable[list.size()]);
	}
	protected synchronized List<IVariable> getVariables0() throws DebugException {
	if (!isAllocated() \|\| !hasVariables())
	return Collections.EMPTY_LIST;
	if (fVariables.size() == 0) {
	try {
	List<IPCDIVariable> vars = getCDIVariables();
	fVariables = new ArrayList<IVariable>(vars.size());
	Iterator it = vars.iterator();
	while (it.hasNext()) {
	fVariables.add(PVariableFactory.createLocalVariable(this, (IPCDIVariable)it.next()));
	}
	resetStatus();
	} catch (DebugException e) {
	setStatus(IPDebugElementStatus.ERROR, e.getMessage());
	}
	}
	return fVariables;
	}
	public boolean hasVariables() throws DebugException {
	try {
	IPCDIVariable var = getCurrentVariable();
	if (var != null) {
	//return var.getChildrenNumber()>0;
	IAIFType type = var.getType();
	if (type instanceof ITypeAggregate) {
	return true;
	}
	if (type instanceof ITypeDerived) {
	return true;
	}
	}
	} catch (PCDIException e) {
	targetRequestFailed(e.getMessage(), null);
	}
	return false;
	}
	public IPCDIVariable getCurrentVariable() {
	return fVariable;
	}
	public IAIFValue getUnderlyingValue() {
	try {
	return getCurrentVariable().getValue();
	} catch (PCDIException e) {
	return null;
	}
	}
	protected List<IPCDIVariable> getCDIVariables() throws DebugException {
	IPCDIVariable[] vars = null;
	try {
	IPCDIVariable var = getCurrentVariable();
	vars = var.getChildren();
	if (vars == null) {
	vars = new IPCDIVariable[0];
	}
	} catch (PCDIException e) {
	requestFailed(e.getMessage(), e);
	}
	return Arrays.asList(vars);
	}
	protected synchronized void setChanged(boolean changed) {
	if (changed) {
	fValueString = null;
	resetStatus();
	}
	else {
	//if (getCDITarget().getConfiguration() instanceof IPCDITargetConfiguration2 && ((IPCDITargetConfiguration2)getCDITarget().getConfiguration()).supportsPassiveVariableUpdate())
	//fValueString = null;
	}
	Iterator it = fVariables.iterator();
	while (it.hasNext()) {
	((AbstractPVariable) it.next()).setChanged(changed);
	}
	}
	public void dispose() {
	Iterator it = fVariables.iterator();
	while (it.hasNext()) {
	((AbstractPVariable) it.next()).dispose();
	}
	}
	protected String processUnderlyingValue(IAIFType aifType, IAIFValue aifValue) throws AIFException {
	if (aifValue != null) {
	if (aifType instanceof IAIFTypeChar)
	return getCharValueString((IAIFValueChar) aifValue);
	else if (aifType instanceof IAIFTypeInt)
	return getIntValueString((IAIFValueInt) aifValue);
	else if (aifType instanceof IAIFTypeFloat)
	return getFloatingPointValueString((IAIFValueFloat) aifValue);
	else if (aifType instanceof IAIFTypePointer)
	return getPointerValueString((IAIFValuePointer) aifValue);
	else if (aifType instanceof IAIFTypeReference)
	return processUnderlyingValue(aifType, ((IAIFValueReference) aifValue).getParent());
	else if (aifType instanceof IAIFTypeString)
	return getWCharValueString((IAIFValueString) aifValue);
	else if (aifType instanceof ITypeAggregate)
	return "{...}";
	else
	return aifValue.getValueString();
	}
	return null;
	}
	private String getCharValueString(IAIFValueChar value) throws AIFException {
	PVariableFormat format = getParentVariable().getFormat();
	char charValue = value.charValue();
	if (PVariableFormat.NATURAL.equals(format)) {
	return ((Character.isISOControl(charValue) && charValue != '\b' && charValue != '\t' && charValue != '\n' && charValue != '\f' && charValue != '\r') \|\| charValue < 0) ? "" : "\'" + value.getValueString() + "\'";
	} else if (PVariableFormat.DECIMAL.equals(format)) {
	return Integer.toString((byte)charValue);
	//return (isSigned()) ? Integer.toString(byteValue): Integer.toString(value.shortValue());
	} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
	StringBuffer sb = new StringBuffer("0x");
	String stringValue = Integer.toString((byte)charValue);
	//String stringValue = (isSigned()) ? Integer.toHexString((byte) value.byteValue()) : Integer.toHexString(value.shortValue());
	sb.append((stringValue.length() > 2) ? stringValue.substring(stringValue.length() - 2) : stringValue);
	return sb.toString();
	}
	return null;
	}
	private String getIntValueString(IAIFValueInt value) throws AIFException {
	PVariableFormat format = getParentVariable().getFormat();
	String stringValue = value.getValueString();
	if (PVariableFormat.NATURAL.equals(format) \|\| PVariableFormat.DECIMAL.equals(format)) {
	return stringValue;
	//return (isSigned()) ? Integer.toString(value.intValue()) : Long.toString(value.longValue());
	} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
	StringBuffer sb = new StringBuffer("0x");
	if (value.isShort()) {
	stringValue = Integer.toHexString(value.shortValue());
	} else if (value.isInt()) {
	stringValue = Integer.toHexString(value.intValue());
	} else if (value.isLong()) {
	stringValue = Long.toHexString(value.longValue());
	}
	//String stringValue = (isSigned()) ? Integer.toHexString(value.intValue()) : Long.toHexString(value.longValue());
	sb.append((stringValue.length() > 8) ? stringValue.substring(stringValue.length() - 8) : stringValue);
	return sb.toString();
	}
	return null;
	}
	private String getFloatingPointValueString(IAIFValueFloat value) throws AIFException {
	if (value.isDouble()) {
	return getDoubleValueString(value.getValueString());
	} else if (value.isFloat()) {
	return getFloatValueString(value.getValueString());
	} else {
	return value.getValueString();
	}
	}
	private String getFloatValueString(String floatValue) throws AIFException {
	PVariableFormat format = getParentVariable().getFormat();
	if (PVariableFormat.NATURAL.equals(format)) {
	return floatValue;
	}

	Float flt = new Float(floatValue);
	if (flt.isNaN() \|\| flt.isInfinite())
	return "";
	long longValue = flt.longValue();
	if (PVariableFormat.DECIMAL.equals(format)) {
	return Long.toString(longValue);
	} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
	StringBuffer sb = new StringBuffer("0x");
	String stringValue = Long.toHexString(longValue);
	sb.append((stringValue.length() > 8) ? stringValue.substring(stringValue.length() - 8) : stringValue);
	return sb.toString();
	}
	return floatValue;
	}
	private String getDoubleValueString(String doubleValue) throws AIFException {
	PVariableFormat format = getParentVariable().getFormat();
	if (PVariableFormat.NATURAL.equals(format)) {
	return doubleValue;
	}

	Double dbl = new Double(doubleValue);
	if (dbl.isNaN() \|\| dbl.isInfinite())
	return "";
	long longValue = dbl.longValue();
	if (PVariableFormat.DECIMAL.equals(format)) {
	return Long.toString(longValue);
	} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
	StringBuffer sb = new StringBuffer("0x");
	String stringValue = Long.toHexString(longValue);
	sb.append((stringValue.length() > 16) ? stringValue.substring(stringValue.length() - 16) : stringValue);
	return sb.toString();
	}
	return doubleValue;
	}
	private String getPointerValueString(IAIFValuePointer value) throws AIFException {
	//IAIFValue baseValue = value.getValue();
	//if (baseValue instanceof IValueAggregate) {//if base type is not primitive type display address;
	IAddressFactory factory = ((PDebugTarget) getDebugTarget()).getAddressFactory();
	BigInteger pv = value.pointerValue();
	if (pv == null)
	return "";
	IAddress address = factory.createAddress(pv);
	if (address == null)
	return "";
	PVariableFormat format = getParentVariable().getFormat();
	if (PVariableFormat.NATURAL.equals(format) \|\| PVariableFormat.HEXADECIMAL.equals(format))
	return address.toHexAddressString();
	if (PVariableFormat.DECIMAL.equals(format))
	return address.toString();
	//}
	//else {
	//return baseValue.getValueString();
	//}
	return null;
	}
	private String getWCharValueString(IAIFValueString value) throws AIFException {
	return value.getValueString();
	/*
	if (getParentVariable() instanceof PVariable) {
	PVariableFormat format = getParentVariable().getFormat();
	if (PVariableFormat.NATURAL.equals(format) \|\| PVariableFormat.DECIMAL.equals(format)) {
	return (isSigned()) ? Short.toString(value.shortValue()) : Integer.toString(value.intValue());
	} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
	StringBuffer sb = new StringBuffer("0x");
	String stringValue = Integer.toHexString((isSigned()) ? value.shortValue() : value.intValue());
	sb.append((stringValue.length() > 4) ? stringValue.substring(stringValue.length() - 4) : stringValue);
	return sb.toString();
	}
	}
	int size = ((PVariable) getParentVariable()).sizeof();
	if (size == 4) {
	PVariableFormat format = getParentVariable().getFormat();
	if (PVariableFormat.NATURAL.equals(format) \|\| PVariableFormat.DECIMAL.equals(format)) {
	return (isSigned()) ? Integer.toString(value.intValue()) : Long.toString(value.longValue());
	} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
	StringBuffer sb = new StringBuffer("0x");
	String stringValue = (isSigned()) ? Integer.toHexString(value.intValue()) : Long.toHexString(value.longValue());
	sb.append((stringValue.length() > 8) ? stringValue.substring(stringValue.length() - 8) : stringValue);
	return sb.toString();
	}
	}
	*/
	}
	/*
	private boolean isSigned() {
	boolean result = false;
	try {
	IPType type = getParentVariable().getType();
	if (type != null)
	result = type.isSigned();
	} catch (DebugException e) {
	}
	return result;
	}
	*/
	protected void reset() {
	resetStatus();
	fValueString = null;
	Iterator it = fVariables.iterator();
	while (it.hasNext()) {
	((AbstractPVariable) it.next()).resetValue();
	}
	}
	public IPType getType() throws DebugException {
	IAIFValue aifValue = getUnderlyingValue();
	if (fType == null) {
	if (aifValue != null) {
	synchronized (this) {
	if (fType == null) {
	fType = new PType(aifValue.getType());
	}
	}
	}
	}
	return fType;
	}
	protected void preserve() {
	setChanged(false);
	resetStatus();
	Iterator it = fVariables.iterator();
	while (it.hasNext()) {
	((AbstractPVariable) it.next()).preserve();
	}
	}
	}

	/*
	private String getLongValueString(IAIFValueLong value) throws PCDIException {
	try {
	PVariableFormat format = getParentVariable().getFormat();
	if (PVariableFormat.NATURAL.equals(format) \|\| PVariableFormat.DECIMAL.equals(format)) {
	if (!isSigned()) {
	BigInteger bigValue = new BigInteger(value.getValueString());
	return bigValue.toString();
	}
	return Long.toString(value.longValue());
	} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
	StringBuffer sb = new StringBuffer("0x");
	if (isSigned()) {
	sb.append(Long.toHexString(value.longValue()));
	} else {
	BigInteger bigValue = new BigInteger(value.getValueString());
	sb.append(bigValue.toString(16));
	}
	return sb.toString();
	}
	} catch (NumberFormatException e) {
	}
	return null;
	}
	private String getLongLongValueString(IAIFValueLongLong value) throws PCDIException {
	try {
	PVariableFormat format = getParentVariable().getFormat();
	if (PVariableFormat.NATURAL.equals(format) \|\| PVariableFormat.DECIMAL.equals(format)) {
	if (!isSigned()) {
	BigInteger bigValue = new BigInteger(value.getValueString());
	return bigValue.toString();
	}
	return Long.toString(value.longValue());
	} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
	StringBuffer sb = new StringBuffer("0x");
	if (isSigned()) {
	sb.append(Long.toHexString(value.longValue()));
	} else {
	BigInteger bigValue = new BigInteger(value.getValueString());
	sb.append(bigValue.toString(16));
	}
	return sb.toString();
	}
	} catch (NumberFormatException e) {
	}
	return null;
	}
	private String getShortValueString(IAIFValueShort value) throws PCDIException {
	PVariableFormat format = getParentVariable().getFormat();
	if (PVariableFormat.NATURAL.equals(format) \|\| PVariableFormat.DECIMAL.equals(format)) {
	return (isSigned()) ? Short.toString(value.shortValue()) : Integer.toString(value.intValue());
	} else if (PVariableFormat.HEXADECIMAL.equals(format)) {
	StringBuffer sb = new StringBuffer("0x");
	String stringValue = Integer.toHexString((isSigned()) ? value.shortValue() : value.intValue());
	sb.append((stringValue.length() > 4) ? stringValue.substring(stringValue.length() - 4) : stringValue);
	return sb.toString();
	}
	return null;
	}
	*/