01: /* Soot - a J*va Optimization and Annotation Framework
02: * Copyright (C) 1997-2000 Raja Vallee-Rai
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 2.1 of the License, or (at your option) any later version.
08: *
09: * 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: /*
21: * Modified by the Sable Research Group and others 1997-1999.
22: * See the 'credits' file distributed with Soot for the complete list of
23: * contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot)
24: */
25:
26: /* This example is writen by Feng Qian.
27: */
28:
29: package ashes.examples.addattributes;
30:
31: import soot.*;
32: import soot.tagkit.*;
33: import java.util.*;
34:
35: /** Annotation example, adds a "Hello World!" string
36: * as method attribute to each method.
37: */
38:
39: public class Main {
40: public static void main(String[] args) {
41: /* adds the transformer. */
42: PackManager.v().getPack("jtp").add(
43: new Transform("annotexample", AnnExampleWrapper.v()));
44:
45: /* invokes Soot */
46: soot.Main.main(args);
47: }
48: }
49:
50: class AnnExampleWrapper extends BodyTransformer {
51: private static AnnExampleWrapper instance = new AnnExampleWrapper();
52:
53: private AnnExampleWrapper() {
54: };
55:
56: public static AnnExampleWrapper v() {
57: return instance;
58: }
59:
60: public void internalTransform(Body body, String phaseName,
61: Map options) {
62: SootMethod method = body.getMethod();
63: String attr = new String("Hello world!");
64:
65: Tag example = new GenericAttribute("Example", attr.getBytes());
66: method.addTag(example);
67: }
68: }
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