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/*******************************************************************************
* Copyright (c) 2000, 2005 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
*******************************************************************************/
package org.eclipse.debug.internal.ui.elements.adapters;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IErrorReportingExpression;
import org.eclipse.debug.core.model.IExpression;
import org.eclipse.debug.core.model.IValue;
public class DeferredExpression extends DeferredVariable {
/* (non-Javadoc)
* @see org.eclipse.ui.model.IWorkbenchAdapter#getChildren(java.lang.Object)
*/
public Object[] getChildren(Object parent) {
if (parent instanceof IErrorReportingExpression) {
IErrorReportingExpression expression= (IErrorReportingExpression) parent;
if (expression.hasErrors()) {
return expression.getErrorMessages();
}
}
if (parent instanceof IExpression) {
IExpression expression = (IExpression)parent;
IValue value = expression.getValue();
try {
return getValueChildren(expression, value);
} catch (DebugException e) {
}
}
return super.getChildren(parent);
}
protected boolean hasChildren(Object child) {
if (child instanceof IErrorReportingExpression) {
IErrorReportingExpression expression = (IErrorReportingExpression) child;
if (expression.hasErrors()) {
return true;
}
}
if (child instanceof IExpression) {
IExpression expression = (IExpression) child;
IValue value = expression.getValue();
if (value != null) {
try {
return value.hasVariables();
} catch (DebugException e) {
}
}
}
return super.hasChildren(child);
}
}
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