soot.jbco.bafTransformations.BafLineNumberer Maven / Gradle / Ivy
package soot.jbco.bafTransformations;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 1997 - 1999 Raja Vallee-Rai
* %%
* 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.Iterator;
import java.util.List;
import java.util.Map;
import soot.Body;
import soot.BodyTransformer;
import soot.PatchingChain;
import soot.Unit;
import soot.baf.IdentityInst;
import soot.baf.Inst;
import soot.jbco.IJbcoTransform;
import soot.tagkit.LineNumberTag;
import soot.tagkit.Tag;
public class BafLineNumberer extends BodyTransformer implements IJbcoTransform {
public static String name = "bb.jbco_bln";
public void outputSummary() {
}
public String[] getDependencies() {
return new String[] { name };
}
public String getName() {
return name;
}
protected void internalTransform(Body b, String phaseName, Map options) {
int idx = 0;
PatchingChain units = b.getUnits();
Iterator it = units.iterator();
while (it.hasNext()) {
Inst i = (Inst) it.next();
List tags = i.getTags();
for (int k = 0; k < tags.size(); k++) {
Tag t = (Tag) tags.get(k);
if (t instanceof LineNumberTag) {
tags.remove(k);
break;
}
}
if (i instanceof IdentityInst) {
continue;
}
i.addTag(new LineNumberTag(idx++));
}
}
}