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A Java Optimization Framework

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package soot.jimple.spark.pag;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 2003 Ondrej 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 soot.SootClass;
import soot.SootField;
import soot.Type;

/**
 * Represents a simple variable node (Green) in the pointer assignment graph that is not associated with any particular
 * method invocation.
 *
 * @author Ondrej Lhotak
 */
public class GlobalVarNode extends VarNode {
  GlobalVarNode(PAG pag, Object variable, Type t) {
    super(pag, variable, t);
  }

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

  public SootClass getDeclaringClass() {
    if (variable instanceof SootField) {
      return ((SootField) variable).getDeclaringClass();
    }

    return null;
  }
}