| /******************************************************************************* |
| * 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 org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IRegisterGroup; |
| import org.eclipse.ptp.debug.core.IPDebugConstants; |
| import org.eclipse.ptp.debug.core.PTPDebugCorePlugin; |
| import org.eclipse.ptp.debug.core.model.IPRegister; |
| import org.eclipse.ptp.debug.core.model.IPRegisterDescriptor; |
| import org.eclipse.ptp.debug.core.model.IPStackFrame; |
| import org.eclipse.ptp.debug.core.model.IPValue; |
| import org.eclipse.ptp.debug.core.model.PVariableFormat; |
| import org.eclipse.ptp.debug.core.pdi.IPDISessionObject; |
| import org.eclipse.ptp.debug.core.pdi.PDIException; |
| import org.eclipse.ptp.debug.core.pdi.event.IPDIChangedEvent; |
| import org.eclipse.ptp.debug.core.pdi.event.IPDIEvent; |
| import org.eclipse.ptp.debug.core.pdi.event.IPDIMemoryBlockInfo; |
| import org.eclipse.ptp.debug.core.pdi.event.IPDIResumedEvent; |
| import org.eclipse.ptp.debug.core.pdi.model.IPDIArgumentDescriptor; |
| import org.eclipse.ptp.debug.core.pdi.model.IPDIRegister; |
| import org.eclipse.ptp.debug.core.pdi.model.IPDIRegisterDescriptor; |
| import org.eclipse.ptp.debug.core.pdi.model.IPDIVariable; |
| import org.eclipse.ptp.debug.core.pdi.model.IPDIVariableDescriptor; |
| import org.eclipse.ptp.debug.core.pdi.model.aif.IAIF; |
| import org.eclipse.ptp.debug.core.pdi.model.aif.IAIFTypeArray; |
| |
| /** |
| * @author clement |
| * |
| */ |
| public class PRegister extends PVariable implements IPRegister { |
| private class InternalVariable implements IInternalVariable { |
| private PVariable fVariable; |
| private IPDIVariableDescriptor fPDIVariableObject; |
| private IPDIRegister fPDIRegister; |
| private String fQualifiedName; |
| private IPValue fValue = PValueFactory.NULL_VALUE; |
| private boolean fChanged = false; |
| |
| InternalVariable(PVariable var, IPDIVariableDescriptor varObject) { |
| setVariable(var); |
| setPDIVariableObject(varObject); |
| setPDIRegister((varObject instanceof IPDIRegister) ? (IPDIRegister)varObject : null); |
| } |
| |
| public IInternalVariable createShadow(int start, int length) throws DebugException { |
| IInternalVariable iv = null; |
| try { |
| iv = new InternalVariable(getVariable(), getPDIVariableObject().getVariableDescriptorAsArray(start, length)); |
| } |
| catch(PDIException e) { |
| requestFailed(e.getMessage(), null); |
| } |
| return iv; |
| } |
| |
| public IInternalVariable createShadow(String type) throws DebugException { |
| IInternalVariable iv = null; |
| try { |
| iv = new InternalVariable(getVariable(), getPDIVariableObject().getVariableDescriptorAsType(type)); |
| } |
| catch(PDIException e) { |
| requestFailed(e.getMessage(), null); |
| } |
| return iv; |
| } |
| private synchronized IPDIRegister getPDIRegister() throws DebugException { |
| if (fPDIRegister == null) { |
| try { |
| fPDIRegister = getPDITarget().createRegister((IPDIRegisterDescriptor)getPDIVariableObject()); |
| } |
| catch(PDIException e) { |
| requestFailed(e.getMessage(), null); |
| } |
| } |
| return fPDIRegister; |
| } |
| |
| private void setPDIRegister(IPDIRegister register) { |
| fPDIRegister = register; |
| } |
| |
| private IPDIVariableDescriptor getPDIVariableObject() { |
| if (fPDIRegister != null) { |
| return fPDIRegister; |
| } |
| return fPDIVariableObject; |
| } |
| |
| private void setPDIVariableObject(IPDIVariableDescriptor variableObject) { |
| fPDIVariableObject = variableObject; |
| } |
| |
| public String getQualifiedName() throws DebugException { |
| if (fQualifiedName == null) { |
| try { |
| fQualifiedName = (fPDIVariableObject != null) ? fPDIVariableObject.getQualifiedName() : null; |
| } |
| catch(PDIException e) { |
| requestFailed(e.getMessage(), null); |
| } |
| } |
| return fQualifiedName; |
| } |
| private synchronized void invalidate(boolean destroy) { |
| try { |
| if (destroy && fPDIRegister != null) |
| fPDIRegister.dispose(); |
| } |
| catch(PDIException e) { |
| logError(e.getMessage()); |
| } |
| invalidateValue(); |
| setPDIRegister(null); |
| } |
| public void dispose(boolean destroy) { |
| invalidate(destroy); |
| } |
| public boolean isSameVariable(IPDIVariable pdiVar) { |
| return (fPDIRegister != null) ? fPDIRegister.equals(pdiVar) : false; |
| } |
| public int sizeof() { |
| if (getPDIVariableObject() != null) { |
| try { |
| return getPDIVariableObject().sizeof(); |
| } |
| catch(PDIException e) { |
| } |
| } |
| return 0; |
| } |
| public boolean isArgument() { |
| return (getPDIVariableObject() instanceof IPDIArgumentDescriptor); |
| } |
| public void setValue(String expression) throws DebugException { |
| IPDIRegister pdiRegister = null; |
| try { |
| pdiRegister = getPDIRegister(); |
| if (pdiRegister != null) |
| pdiRegister.setValue(expression); |
| else |
| requestFailed(CoreModelMessages.getString("CModificationVariable.0"), null); |
| } |
| catch(PDIException e) { |
| targetRequestFailed(e.getMessage(), null); |
| } |
| } |
| public synchronized IPValue getValue() throws DebugException { |
| if (fValue.equals(PValueFactory.NULL_VALUE)) { |
| IPDIRegister reg = getPDIRegister(); |
| if (reg != null) { |
| try { |
| IAIF aif = reg.getAIF(getCurrentStackFrame().getPDIStackFrame()); |
| if (aif != null && aif.getType() instanceof IAIFTypeArray) { |
| int[] dims = ((IAIFTypeArray)aif.getType()).getDimensionDetails(); |
| if (dims.length > 0 && dims[0] > 0) |
| fValue = PValueFactory.createIndexedValue(getVariable(), reg, 0, dims[0]); |
| } |
| else { |
| fValue = PValueFactory.createValue(getVariable(), reg); |
| } |
| } |
| catch(PDIException e) { |
| requestFailed(e.getMessage(), e); |
| } |
| } |
| } |
| return fValue; |
| } |
| public void invalidateValue() { |
| if (fValue instanceof AbstractPValue) { |
| ((AbstractPValue)fValue).dispose(); |
| fValue = PValueFactory.NULL_VALUE; |
| } |
| } |
| public boolean isChanged() { |
| return fChanged; |
| } |
| public synchronized void setChanged(boolean changed) { |
| if (changed) { |
| invalidateValue(); |
| } |
| if (fValue instanceof AbstractPValue) { |
| ((AbstractPValue)fValue).setChanged(changed); |
| } |
| fChanged = changed; |
| } |
| public synchronized void preserve() { |
| setChanged(false); |
| if (fValue instanceof AbstractPValue) { |
| ((AbstractPValue)fValue).preserve(); |
| } |
| } |
| PVariable getVariable() { |
| return fVariable; |
| } |
| private void setVariable(PVariable variable) { |
| fVariable = variable; |
| } |
| public void resetValue() { |
| if (fValue instanceof AbstractPValue) { |
| ((AbstractPValue)fValue).reset(); |
| } |
| } |
| public boolean isEditable() throws DebugException { |
| IPDIRegister reg = getPDIRegister(); |
| if (reg != null) { |
| try { |
| return reg.isEditable(); |
| } |
| catch(PDIException e) { |
| } |
| } |
| return false; |
| } |
| public boolean equals(Object obj) { |
| if (obj instanceof InternalVariable) { |
| return getPDIVariableObject().equals(((InternalVariable)obj).getPDIVariableObject()); |
| } |
| return false; |
| } |
| public boolean isSameDescriptor(IPDIVariableDescriptor desc) { |
| return getPDIVariableObject().equals(desc); |
| } |
| } |
| protected PRegister(PRegisterGroup parent, IPRegisterDescriptor descriptor) { |
| super(parent, ((PRegisterDescriptor)descriptor).getPDIDescriptor()); |
| setFormat(PVariableFormat.getFormat(PTPDebugCorePlugin.getDefault().getPluginPreferences().getInt(IPDebugConstants.PREF_DEFAULT_REGISTER_FORMAT))); |
| } |
| protected PRegister(PRegisterGroup parent, IPRegisterDescriptor descriptor, String message) { |
| super(parent, ((PRegisterDescriptor)descriptor).getPDIDescriptor(), message); |
| setFormat(PVariableFormat.getFormat(PTPDebugCorePlugin.getDefault().getPluginPreferences().getInt(IPDebugConstants.PREF_DEFAULT_REGISTER_FORMAT))); |
| } |
| public IRegisterGroup getRegisterGroup() throws DebugException { |
| return (IRegisterGroup)getParent(); |
| } |
| protected boolean isBookkeepingEnabled() { |
| boolean result = false; |
| return result; |
| } |
| public boolean canEnableDisable() { |
| return true; |
| } |
| public void handleDebugEvents(IPDIEvent[] events) { |
| for(int i = 0; i < events.length; i++) { |
| IPDIEvent event = events[i]; |
| if (!event.contains(getTasks())) |
| continue; |
| |
| if (event instanceof IPDIChangedEvent) { |
| IPDISessionObject reason = ((IPDIChangedEvent)event).getReason(); |
| if (reason instanceof IPDIMemoryBlockInfo) { |
| resetValue(); |
| return; // avoid similar but logic inappropriate for us in PVariable |
| } |
| } |
| else if (event instanceof IPDIResumedEvent) { |
| setChanged(false); |
| } |
| } |
| super.handleDebugEvents(events); |
| } |
| public void dispose() { |
| internalDispose(true); |
| setDisposed(true); |
| } |
| protected IPStackFrame getStackFrame() { |
| IPStackFrame frame = super.getStackFrame(); |
| if (frame == null) |
| frame = getCurrentStackFrame(); |
| return frame; |
| } |
| protected IPStackFrame getCurrentStackFrame() { |
| return fSession.getRegisterManager().getCurrentFrame(getTasks()); |
| } |
| protected void createOriginal(IPDIVariableDescriptor vo) { |
| if (vo != null) { |
| setName(vo.getName()); |
| setOriginal(new InternalVariable(this, vo)); |
| } |
| } |
| public IAIF getAIF() throws DebugException { |
| return getValue().getAIF(); |
| } |
| } |