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A Java Optimization Framework
There is a newer version: 4.6.0
package soot.dava.internal.SET;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 2003 Jerome Miecznikowski
 * %%
 * 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.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

import soot.Value;
import soot.dava.DavaBody;
import soot.dava.internal.AST.ASTNode;
import soot.dava.internal.AST.ASTTryNode;
import soot.dava.internal.asg.AugmentedStmt;
import soot.dava.internal.asg.AugmentedStmtGraph;
import soot.dava.toolkits.base.finders.ExceptionFinder;
import soot.dava.toolkits.base.finders.ExceptionNode;
import soot.jimple.CaughtExceptionRef;
import soot.jimple.GotoStmt;
import soot.jimple.IdentityStmt;
import soot.jimple.Stmt;
import soot.util.IterableSet;

public class SETTryNode extends SETNode {
  private ExceptionNode en;
  private DavaBody davaBody;
  private AugmentedStmtGraph asg;
  private final HashMap cb2clone;

  public SETTryNode(IterableSet body, ExceptionNode en, AugmentedStmtGraph asg, DavaBody davaBody) {
    super(body);
    this.en = en;
    this.asg = asg;
    this.davaBody = davaBody;

    add_SubBody(en.get_TryBody());

    cb2clone = new HashMap();

    Iterator it = en.get_CatchList().iterator();
    while (it.hasNext()) {
      IterableSet catchBody = (IterableSet) it.next();
      IterableSet clone = (IterableSet) catchBody.clone();

      cb2clone.put(catchBody, clone);
      add_SubBody(clone);
    }

    getEntryStmt: {
      entryStmt = null;

      it = body.iterator();
      while (it.hasNext()) {
        AugmentedStmt as = (AugmentedStmt) it.next();

        Iterator pit = as.cpreds.iterator();
        while (pit.hasNext()) {
          if (body.contains(pit.next()) == false) {
            entryStmt = as;
            break getEntryStmt;
          }
        }
      }
    }
  }

  public AugmentedStmt get_EntryStmt() {
    if (entryStmt != null) {
      return entryStmt;
    } else {
      return (AugmentedStmt) (en.get_TryBody()).getFirst();
    }

    // return ((SETNode) ((IterableSet) body2childChain.get(
    // en.get_TryBody())).getFirst()).get_EntryStmt();
  }

  public IterableSet get_NaturalExits() {
    IterableSet c = new IterableSet();

    Iterator it = subBodies.iterator();
    while (it.hasNext()) {

      Iterator eit = ((SETNode) body2childChain.get(it.next()).getLast()).get_NaturalExits().iterator();
      while (eit.hasNext()) {
        Object o = eit.next();

        if (c.contains(o) == false) {
          c.add(o);
        }
      }
    }

    return c;
  }

  public ASTNode emit_AST() {
    LinkedList