soot.jimple.toolkits.annotation.purity.PurityParamNode Maven / Gradle / Ivy
/* Soot - a J*va Optimization Framework
* Copyright (C) 2005 Antoine Mine
*
* This library 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 library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* Implementation of the paper "A Combined Pointer and Purity Analysis for
* Java Programs" by Alexandru Salcianu and Martin Rinard, within the
* Soot Optimization Framework.
*
* by Antoine Mine, 2005/01/24
*/
package soot.jimple.toolkits.annotation.purity;
/**
* A node representing a method parameter.
* Each method parameter has a number, starting from 0.
*
*/
public class PurityParamNode implements PurityNode
{
private int id;
PurityParamNode(int id) { this.id = id; }
public String toString() { return "P_"+id; }
public int hashCode() { return id; }
public boolean equals(Object o)
{
if (o instanceof PurityParamNode) return ((PurityParamNode)o).id==id;
else return false;
}
public boolean isInside()
{ return false; }
public boolean isLoad()
{ return false; }
public boolean isParam()
{ return true; }
}