| /******************************************************************************* |
| * 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 |
| * 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.DebugException; |
| import org.eclipse.debug.core.model.IValue; |
| import org.eclipse.debug.core.model.IVariable; |
| import org.eclipse.debug.examples.core.pda.protocol.PDAChildrenCommand; |
| import org.eclipse.debug.examples.core.pda.protocol.PDAListResult; |
| |
| /** |
| * Value of a PDA variable. |
| */ |
| public class PDAValue extends PDADebugElement implements IValue { |
| |
| final private PDAVariable fVariable; |
| final private String fValue; |
| |
| public PDAValue(PDAVariable variable, String value) { |
| super(variable.getStackFrame().getPDADebugTarget()); |
| fVariable = variable; |
| fValue = value; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValue#getReferenceTypeName() |
| */ |
| public String getReferenceTypeName() throws DebugException { |
| try { |
| Integer.parseInt(fValue); |
| } catch (NumberFormatException e) { |
| return "text"; |
| } |
| return "integer"; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValue#getValueString() |
| */ |
| public String getValueString() throws DebugException { |
| return fValue; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValue#isAllocated() |
| */ |
| public boolean isAllocated() throws DebugException { |
| return true; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValue#getVariables() |
| */ |
| public IVariable[] getVariables() throws DebugException { |
| PDAStackFrame frame = fVariable.getStackFrame(); |
| PDAListResult result = (PDAListResult) sendCommand( |
| new PDAChildrenCommand(frame.getThreadIdentifier(), frame.getIdentifier(), fVariable.getName()) ); |
| |
| IVariable[] children = new IVariable[result.fValues.length]; |
| for(int i = 0; i < result.fValues.length; i++) { |
| children[i] = new PDAVariable(frame, result.fValues[i]); |
| } |
| return children; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValue#hasVariables() |
| */ |
| public boolean hasVariables() throws DebugException { |
| if (getVariables().length != 0) { |
| return true; |
| } |
| // Value with multiple words can be show as an array using logical |
| // structures. If the value has multiple words, it needs to indicate |
| // that it has children even if logical structures are not turned on. |
| return fValue.split("\\W+").length > 1; |
| } |
| /* |
| * (non-Javadoc) |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object obj) { |
| return obj instanceof PDAValue && ((PDAValue)obj).fValue.equals(fValue); |
| } |
| /* |
| * (non-Javadoc) |
| * @see java.lang.Object#hashCode() |
| */ |
| public int hashCode() { |
| return fValue.hashCode(); |
| } |
| |
| /** |
| * Returns the variable that this value was created for. |
| * |
| * @return The variable that this value was created for. |
| * |
| * @since 3.5 |
| */ |
| public PDAVariable getVariable() { |
| return fVariable; |
| } |
| } |