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Java > Open Source Codes > soot > jimple > spark > pag > Parm


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2002 Ondrej Lhotak
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 package soot.jimple.spark.pag;
21 import java.util.*;
22 import soot.*;
23 import soot.toolkits.scalar.Pair;
24 import soot.jimple.spark.*;
25
26 /** Represents a method parameter.
27  * @author Ondrej Lhotak
28  */
29 public class Parm implements SparkField {
30     private int index;
31     private SootMethod method;
32     private Parm( SootMethod m, int i ) {
33         index = i;
34         method = m;
35         Scene.v().getFieldNumberer().add(this);
36     }
37     public static Parm v( SootMethod m, int index ) {
38         Pair p = new Pair( m, new Integer JavaDoc(index) );
39         Parm ret = (Parm) G.v().Parm_pairToElement.get( p );
40         if( ret == null ) {
41             G.v().Parm_pairToElement.put( p, ret = new Parm( m, index ) );
42         }
43         return ret;
44     }
45     public static final void delete() {
46         G.v().Parm_pairToElement = null;
47     }
48     public String JavaDoc toString() {
49         return "Parm "+index+" to "+method;
50     }
51
52     public final int getNumber() {
53         return number;
54     }
55     public final void setNumber(int number) {
56         this.number = number;
57     }
58     private int number = 0;
59
60 }
61
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