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/*******************************************************************************
* Copyright (c) 2005, 2018 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* 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;
}
@Override
public String getReferenceTypeName() throws DebugException {
try {
Integer.parseInt(fValue);
} catch (NumberFormatException e) {
return "text"; //$NON-NLS-1$
}
return "integer"; //$NON-NLS-1$
}
@Override
public String getValueString() throws DebugException {
return fValue;
}
@Override
public boolean isAllocated() throws DebugException {
return true;
}
@Override
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;
}
@Override
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; //$NON-NLS-1$
}
@Override
public boolean equals(Object obj) {
return obj instanceof PDAValue && ((PDAValue)obj).fValue.equals(fValue);
}
@Override
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;
}
}
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