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A Java Optimization Framework

There is a newer version: 4.6.0

package soot.grimp.internal;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 1999 Patrick Lam
 * %%
 * 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 soot.IntType;
import soot.LongType;
import soot.Type;
import soot.UnknownType;
import soot.Value;
import soot.grimp.Grimp;
import soot.jimple.ExprSwitch;
import soot.jimple.ShlExpr;
import soot.util.Switch;

public class GShlExpr extends AbstractGrimpIntLongBinopExpr implements ShlExpr {
  public GShlExpr(Value op1, Value op2) {
    super(op1, op2);
  }

  public String getSymbol() {
    return " << ";
  }

  public int getPrecedence() {
    return 650;
  }

  public void apply(Switch sw) {
    ((ExprSwitch) sw).caseShlExpr(this);
  }

  @Override
  public Type getType() {
    Value op1 = op1Box.getValue();
    Value op2 = op2Box.getValue();

    if (!isIntLikeType(op2.getType())) {
      return UnknownType.v();
    }

    if (isIntLikeType(op1.getType())) {
      return IntType.v();
    }
    if (op1.getType().equals(LongType.v())) {
      return LongType.v();
    }

    return UnknownType.v();
  }

  public Object clone() {
    return new GShlExpr(Grimp.cloneIfNecessary(getOp1()), Grimp.cloneIfNecessary(getOp2()));
  }

}