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Java > Open Source Codes > edu > umd > cs > findbugs > detect > TestingGround


1 /*
2  * FindBugs - Find bugs in Java programs
3  * Copyright (C) 2004-2006 University of Maryland
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19
20 package edu.umd.cs.findbugs.detect;
21
22
23 import edu.umd.cs.findbugs.*;
24
25 import org.apache.bcel.classfile.*;
26
27 public class TestingGround extends BytecodeScanningDetector {
28
29     private static final boolean active
30          = SystemProperties.getBoolean("findbugs.tg.active");
31     
32
33     BugReporter bugReporter;
34
35     OpcodeStack stack = new OpcodeStack();
36     public TestingGround(BugReporter bugReporter) {
37         this.bugReporter = bugReporter;
38     }
39
40
41
42     @Override JavaDoc
43          public void visit(JavaClass obj) {
44     }
45
46     @Override JavaDoc
47          public void visit(Method obj) {
48     }
49
50     @Override JavaDoc
51          public void visit(Code obj) {
52         // unless active, don't bother dismantling bytecode
53 if (active) {
54             // System.out.println("TestingGround: " + getFullyQualifiedMethodName());
55 stack.resetForMethodEntry(this);
56             super.visit(obj);
57         }
58     }
59
60
61     @Override JavaDoc
62          public void sawOpcode(int seen) {
63         stack.mergeJumps(this);
64                 stack.sawOpcode(this,seen);
65     }
66 }
67
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