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/*******************************************************************************
* Copyright (c) 2009, 2010 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tm.internal.tcf.debug.ui.commands;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.tm.internal.tcf.debug.ui.Activator;
import org.eclipse.tm.internal.tcf.debug.ui.ImageCache;
import org.eclipse.tm.internal.tcf.debug.ui.model.ICastToType;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFNode;
import org.eclipse.tm.tcf.protocol.Protocol;
import org.eclipse.tm.tcf.services.ISymbols;
import org.eclipse.tm.tcf.util.TCFDataCache;
import org.eclipse.tm.tcf.util.TCFTask;
import org.eclipse.ui.IWorkbenchWindow;
public class CastToArrayCommand extends AbstractActionDelegate {
private class CastToTypeInputValidator implements IInputValidator {
public CastToTypeInputValidator() {
}
public String isValid(String new_text) {
try {
if (new_text.length() == 0) return "";
int i = Integer.parseInt(new_text);
if (i < 1) return "Array length must be >= 1";
}
catch (Exception x) {
return "Invalid number";
}
return null;
}
}
private class CastToTypeDialog extends InputDialog {
public CastToTypeDialog(Shell shell, String initial_value) {
super(shell, "Cast To Array", "Enter array length",
initial_value, new CastToTypeInputValidator() );
}
@Override
protected void configureShell(Shell shell) {
super.configureShell(shell);
shell.setImage(ImageCache.getImage(ImageCache.IMG_TCF));
}
}
@Override
protected void run() {
final TCFNode node = getCastToTypeNode();
if (node == null) return;
IWorkbenchWindow window = Activator.getDefault().getWorkbench().getActiveWorkbenchWindow();
if (window == null) return;
final String base_type_name = getBaseTypeName();
if (base_type_name == null) return;
CastToTypeDialog dialog = new CastToTypeDialog(window.getShell(), node.getModel().getCastToType(node.getID()));
if (dialog.open() != Window.OK) return;
final String new_type = dialog.getValue().trim();
Protocol.invokeLater(new Runnable() {
public void run() {
node.getModel().setCastToType(node.getID(), base_type_name + "[" + new_type + "]");
}
});
}
private String getBaseTypeName() {
final TCFNode node = getCastToTypeNode();
if (node == null) return null;
return new TCFTask<String>(node.getChannel()) {
public void run() {
TCFDataCache<ISymbols.Symbol> type_cache = ((ICastToType)node).getType();
if (!type_cache.validate(this)) return;
ISymbols.Symbol type_data = type_cache.getData();
if (type_data == null || type_data.getTypeClass() != ISymbols.TypeClass.pointer) {
done(null);
}
else {
String ptrs = "****";
for (int i = 0; i <= ptrs.length(); i++) {
TCFDataCache<ISymbols.Symbol> base_type_cache = node.getModel().getSymbolInfoCache(type_data.getBaseTypeID());
if (!base_type_cache.validate(this)) return;
ISymbols.Symbol base_type_data = base_type_cache.getData();
if (base_type_data == null) {
done(null);
return;
}
else {
if (base_type_data.getName() != null) {
done(base_type_data.getName() + ptrs.substring(0, i));
return;
}
else if (base_type_data.getTypeClass() == ISymbols.TypeClass.pointer) {
type_data = base_type_data;
}
else if (!base_type_data.getID().equals(base_type_data.getTypeID())) {
// modified type without name, like "volatile int"
base_type_cache = node.getModel().getSymbolInfoCache(base_type_data.getTypeID());
if (!base_type_cache.validate(this)) return;
base_type_data = base_type_cache.getData();
if (base_type_data != null && base_type_data.getName() != null) {
done(base_type_data.getName() + ptrs.substring(0, i));
}
else {
done(null);
}
return;
}
else {
done(null);
return;
}
}
}
}
}
}.getE();
}
@Override
protected void selectionChanged() {
getAction().setEnabled(getBaseTypeName() != null);
}
private TCFNode getCastToTypeNode() {
TCFNode node = getSelectedNode();
if (node instanceof ICastToType) return node;
return null;
}
}
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