soot.jimple.toolkits.annotation.defs.ReachingDefsTagger Maven / Gradle / Ivy
package soot.jimple.toolkits.annotation.defs;
/*-
* #%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.Map;
import soot.Body;
import soot.BodyTransformer;
import soot.G;
import soot.Local;
import soot.Singletons;
import soot.Unit;
import soot.Value;
import soot.ValueBox;
import soot.tagkit.LinkTag;
import soot.toolkits.scalar.LocalDefs;
public class ReachingDefsTagger extends BodyTransformer {
public ReachingDefsTagger(Singletons.Global g) {
}
public static ReachingDefsTagger v() {
return G.v().soot_jimple_toolkits_annotation_defs_ReachingDefsTagger();
}
protected void internalTransform(Body b, String phaseName, Map options) {
LocalDefs ld = LocalDefs.Factory.newLocalDefs(b);
for (Unit s : b.getUnits()) {
// System.out.println("stmt: "+s);
for (ValueBox vbox : s.getUseBoxes()) {
Value v = vbox.getValue();
if (v instanceof Local) {
Local l = (Local) v;
// System.out.println("local: "+l);
for (Unit next : ld.getDefsOfAt(l, s)) {
String info = l + " has reaching def: " + next;
String className = b.getMethod().getDeclaringClass().getName();
s.addTag(new LinkTag(info, next, className, "Reaching Defs"));
}
}
}
}
}
}