WALA/com.ibm.wala.core.tests/src/com/ibm/wala/examples/drivers/SWTTypeHierarchy.java

75 lines
2.5 KiB
Java

/*******************************************************************************
* Copyright (c) 2002 - 2006 IBM Corporation.
* 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 com.ibm.wala.examples.drivers;
import java.util.Collection;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.window.ApplicationWindow;
import com.ibm.wala.ecore.java.ETypeHierarchy;
import com.ibm.wala.util.graph.Graph;
import com.ibm.wala.util.graph.InferGraphRootsImpl;
import com.ibm.wala.viz.SWTTreeViewer;
/**
*
* This application is a WALA client: it invokes an SWT TreeViewer to visualize
* a TypeHierarchy in a precomputed file serialized on disk. So, you must run
* ExportTypeHierarchyToXML before running this, to compute the type hierarchy and
* serialize it to disk.
*
* @author sfink
*/
public class SWTTypeHierarchy {
/**
* Usage: SWTTreeViewerBasicPipeline
*/
public static void main(String[] args) {
run();
}
public static ApplicationWindow run() {
try {
ETypeHierarchy th = GVTypeHierarchy.readTypeHierarchy();
if (th.getClasses().getNodes().getContents().size() <1) {
System.err.println("PANIC: th # classes=" + th.getClasses().getNodes().getContents().size());
System.exit(-1);
}
Graph<EObject> g = GVTypeHierarchy.typeHierarchy2Graph(th);
g = GVTypeHierarchy.pruneForAppLoader(g);
if (g.getNumberOfNodes() == 0) {
System.err.println("ERROR: The type hierarchy in " + ExportTypeHierarchyToXML.getFileName() + " has no nodes from the Application loader");
System.exit(-1);
}
// create and run the viewer
final SWTTreeViewer v =new SWTTreeViewer();
v.setGraphInput(g);
Collection<EObject> roots = InferGraphRootsImpl.inferRoots(g);
if (roots.size() < 1) {
System.err.println("PANIC: roots.size()=" + roots.size());
System.exit(-1);
}
v.setRootsInput(roots);
v.run();
return v.getApplicationWindow();
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}