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Java > Open Source Codes > jbet > DagClassInfo


1 /*
2  * JBET - Java Binary Enhancement Tool
3  * Copyright (c) 2003 Networks Associates Technology, Inc.
4  *
5  * This software was developed under DARPA/SPAWAR contract
6  * N66001-00-C-8602 "SPMA" as part of the
7  * DARPA OASIS research program.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in the
16  * documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30
31 /* Represents a class as a list of methods, each of which are lists of basic blocks stored
32    as value DAG's.
33 */
34
35 package jbet;
36 import java.util.*;
37
38 public class DagClassInfo
39 {
40     public String JavaDoc thisClass;
41     public String JavaDoc superClass;
42     public Vector interfaces;
43     public Vector methods;
44     public Vector fields;
45
46     /* copy informational fields from classrep */
47
48     public DagClassInfo (ClassInfo cr)
49     {
50     thisClass = cr.thisClass;
51     superClass = cr.superClass;
52     interfaces = (Vector) cr.interfaces.clone();
53     fields = cr.fields;
54     methods = new Vector();
55
56     for (int i = 0; i < cr.methods.size(); i++) {
57         DagMethodInfo mi = new DagMethodInfo (this, cr.methodAt (i));
58         methods.addElement (mi);
59     }
60     }
61
62     public DagClassInfo (ClassInfo cr, boolean runGraphify) throws ClassFileException, DataFlowException, ElementNotFoundException
63     {
64     this (cr, runGraphify, ClassFilter.ALL);
65     }
66
67     public DagClassInfo (ClassInfo cr, boolean runGraphify, ClassFilter fixcons)
68     throws ClassFileException, DataFlowException, ElementNotFoundException
69     {
70     thisClass = cr.thisClass;
71     superClass = cr.superClass;
72     interfaces = (Vector) cr.interfaces.clone();
73     fields = cr.fields;
74     methods = new Vector();
75
76     for (int i = 0; i < cr.methods.size(); i++) {
77         DagMethodInfo mi = new DagMethodInfo (this, cr.methodAt (i));
78         if (runGraphify) {
79         mi.dags = DagSnippit.graphify (cr.methodAt (i), fixcons);
80         if (mi.dags != null)
81             ((DagSnippit)mi.dags).method = mi;
82         }
83         methods.addElement (mi);
84     }
85     }
86
87     /* accessor methods, same as ClassInfo */
88
89     public String JavaDoc name()
90     {
91     return thisClass;
92     }
93
94     public String JavaDoc toString()
95     {
96     return thisClass;
97     }
98
99     public DagMethodInfo methodAt (int i)
100     {
101     return (DagMethodInfo) methods.elementAt (i);
102     }
103
104     public String JavaDoc interfaceAt(int i) {
105     return (String JavaDoc) interfaces.elementAt(i);
106     }
107     public FieldInfo fieldAt(int i) {
108     return (FieldInfo) fields.elementAt(i);
109     }
110 }
111
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