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Java > Open Source Codes > soot > jimple > toolkits > callgraph > CallGraphPack


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2003 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.toolkits.callgraph;
21
22 import soot.*;
23 import java.util.*;
24 import soot.options.CGOptions;
25
26 /** A radio pack implementation for the call graph pack that calls the
27  * intra-procedural clinit eliminator after the call graph has been built. */
28 public class CallGraphPack extends RadioScenePack
29 {
30     public CallGraphPack(String JavaDoc name) {
31         super(name);
32     }
33
34     protected void internalApply()
35     {
36         CGOptions options = new CGOptions( PhaseOptions.v().getPhaseOptions(this) );
37         if(!options.implicit_entry()) {
38             Scene.v().setEntryPoints(EntryPoints.v().application());
39         }
40         super.internalApply();
41         ClinitElimTransformer trimmer = new ClinitElimTransformer();
42
43         if( options.trim_clinit() ) {
44             for( Iterator clIt = Scene.v().getClasses(SootClass.BODIES).iterator(); clIt.hasNext(); ) {
45                 final SootClass cl = (SootClass) clIt.next();
46                 for( Iterator mIt = cl.getMethods().iterator(); mIt.hasNext(); ) {
47                     final SootMethod m = (SootMethod) mIt.next();
48                     if( m.isConcrete() && m.hasActiveBody() ) {
49                         trimmer.transform( m.getActiveBody() );
50                     }
51                 }
52             }
53         }
54     }
55 }
56
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