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/* Qilin - a Java Pointer Analysis Framework
 * Copyright (C) 2021-2030 Qilin developers
 *
 * 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 3.0 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
 * .
 */

package qilin.core.pag;

import sootup.core.model.SootMethod;
import sootup.core.types.Type;

/** @author Ondrej Lhotak */
public class LocalVarNode extends VarNode {
  protected SootMethod method;

  public LocalVarNode(Object variable, Type t, SootMethod m) {
    super(variable, t);
    this.method = m;
  }

  public SootMethod getMethod() {
    return method;
  }

  public String toString() {
    return "LocalVarNode " + getNumber() + " " + variable + " " + method;
  }

  /** Returns true if this VarNode represents the THIS pointer */
  public boolean isThis() {
    if (variable instanceof Parm) {
      Parm parm = (Parm) variable;
      return parm.isThis();
    }
    return false;
  }

  public boolean isReturn() {
    if (variable instanceof Parm) {
      Parm parm = (Parm) variable;
      return parm.isReturn();
    }
    return false;
  }

  @Override
  public VarNode base() {
    return this;
  }
}