| /******************************************************************************* |
| * Copyright (c) 2005, 2009 IBM Corporation and others. |
| * All rights reserved. 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 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Bjorn Freeman-Benson - initial API and implementation |
| * Wind River Systems - added support for IToggleBreakpointsTargetFactory |
| * Pawel Piech (Wind River) - ported PDA Virtual Machine to Java (Bug 261400) |
| *******************************************************************************/ |
| package org.eclipse.debug.examples.core.pda.model; |
| |
| import org.eclipse.debug.core.DebugEvent; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IValue; |
| import org.eclipse.debug.core.model.IVariable; |
| import org.eclipse.debug.examples.core.pda.protocol.PDACommandResult; |
| import org.eclipse.debug.examples.core.pda.protocol.PDASetVarCommand; |
| import org.eclipse.debug.examples.core.pda.protocol.PDAVarCommand; |
| |
| /** |
| * A variable in a PDA stack frame |
| */ |
| public class PDAVariable extends PDADebugElement implements IVariable { |
| |
| // name & stack frmae |
| private String fName; |
| private PDAStackFrame fFrame; |
| |
| /** |
| * Constructs a variable contained in the given stack frame |
| * with the given name. |
| * |
| * @param frame owning stack frame |
| * @param name variable name |
| */ |
| public PDAVariable(PDAStackFrame frame, String name) { |
| super(frame.getPDADebugTarget()); |
| fFrame = frame; |
| fName = name; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IVariable#getValue() |
| */ |
| public IValue getValue() throws DebugException { |
| PDACommandResult result = sendCommand(new PDAVarCommand( |
| fFrame.getThreadIdentifier(), getStackFrame().getIdentifier(), getName())); |
| return new PDAValue(this, result.fResponseText); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IVariable#getName() |
| */ |
| public String getName() throws DebugException { |
| return fName; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IVariable#getReferenceTypeName() |
| */ |
| public String getReferenceTypeName() throws DebugException { |
| return "Thing"; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IVariable#hasValueChanged() |
| */ |
| public boolean hasValueChanged() throws DebugException { |
| return false; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValueModification#setValue(java.lang.String) |
| */ |
| public void setValue(String expression) throws DebugException { |
| sendCommand(new PDASetVarCommand( |
| fFrame.getThreadIdentifier(), getStackFrame().getIdentifier(), getName(), expression)); |
| fireChangeEvent(DebugEvent.CONTENT); |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValueModification#setValue(org.eclipse.debug.core.model.IValue) |
| */ |
| public void setValue(IValue value) throws DebugException { |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValueModification#supportsValueModification() |
| */ |
| public boolean supportsValueModification() { |
| return true; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValueModification#verifyValue(java.lang.String) |
| */ |
| public boolean verifyValue(String expression) throws DebugException { |
| return true; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValueModification#verifyValue(org.eclipse.debug.core.model.IValue) |
| */ |
| public boolean verifyValue(IValue value) throws DebugException { |
| return false; |
| } |
| |
| /** |
| * Returns the stack frame owning this variable. |
| * |
| * @return the stack frame owning this variable |
| */ |
| public PDAStackFrame getStackFrame() { |
| return fFrame; |
| } |
| |
| } |