soot.jimple.toolkits.annotation.methods.UnreachableMethodsTagger Maven / Gradle / Ivy
package soot.jimple.toolkits.annotation.methods;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2004 Jennifer Lhotak
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Map;
import soot.G;
import soot.Scene;
import soot.SceneTransformer;
import soot.Singletons;
import soot.SootClass;
import soot.SootMethod;
import soot.tagkit.ColorTag;
import soot.tagkit.StringTag;
/** A scene transformer that adds tags to unused methods. */
public class UnreachableMethodsTagger extends SceneTransformer {
public UnreachableMethodsTagger(Singletons.Global g) {
}
public static UnreachableMethodsTagger v() {
return G.v().soot_jimple_toolkits_annotation_methods_UnreachableMethodsTagger();
}
protected void internalTransform(String phaseName, Map options) {
// make list of all unreachable methods
ArrayList methodList = new ArrayList();
Iterator getClassesIt = Scene.v().getApplicationClasses().iterator();
while (getClassesIt.hasNext()) {
SootClass appClass = (SootClass) getClassesIt.next();
Iterator getMethodsIt = appClass.getMethods().iterator();
while (getMethodsIt.hasNext()) {
SootMethod method = (SootMethod) getMethodsIt.next();
// System.out.println("adding method: "+method);
if (!Scene.v().getReachableMethods().contains(method)) {
methodList.add(method);
}
}
}
// tag unused methods
Iterator unusedIt = methodList.iterator();
while (unusedIt.hasNext()) {
SootMethod unusedMethod = unusedIt.next();
unusedMethod.addTag(new StringTag("Method " + unusedMethod.getName() + " is not reachable!", "Unreachable Methods"));
unusedMethod.addTag(new ColorTag(255, 0, 0, true, "Unreachable Methods"));
// System.out.println("tagged method: "+unusedMethod);
}
}
}