1 salcianu 1.1.2.5 // CallGraph.java, created Tue Mar 21 16:13:06 2000 by salcianu
2 cananian 1.1.2.8 // Copyright (C) 2000 Alexandru SALCIANU <salcianu@retezat.lcs.mit.edu>
3 cananian 1.1.2.1 // Licensed under the terms of the GNU GPL; see COPYING for details.
4 cananian 1.1.2.1 package harpoon.Analysis.Quads;
5 cananian 1.1.2.1
6 salcianu 1.1.2.6 import java.util.Set;
7 cananian 1.1.2.1 import harpoon.ClassFile.HMethod;
8 cananian 1.1.2.1 import harpoon.IR.Quads.CALL;
9 salcianu 1.1.2.4
10 cananian 1.1.2.1 /**
11 salcianu 1.1.2.5 * <code>CallGraph</code> is a general interface that should be
12 salcianu 1.1.2.5 implemented by a call graph.
13 cananian 1.1.2.1 *
14 salcianu 1.3 * @author Alexandru SALCIANU <salcianu@mit.edu>
15 salcianu 1.5 * @version $Id: CallGraph.java,v 1.5 2003/05/06 15:00:39 salcianu Exp $
16 cananian 1.1.2.1 */
17 salcianu 1.5 public abstract class CallGraph extends harpoon.Analysis.CallGraph {
18 cananian 1.1.2.7 // XXX: to talk about a CALL quad, you really need to have the HCode
19 cananian 1.1.2.7 // for context. An HCode should be a parameter in these methods;
20 cananian 1.1.2.7 // the only reason implementations of this interface generally work
21 cananian 1.1.2.7 // is that the HCode is generally coming from a CachedCodeFactory
22 cananian 1.1.2.7 // so is consistent over the various CallGraph method calls. [CSA]
23 salcianu 1.1.2.5
24 salcianu 1.1.2.5 /** Returns an array containing all possible methods called by
25 salcianu 1.1.2.5 method <code>m</code> at the call site <code>cs</code>.
26 cananian 1.1.2.9 If there is no known callee for the call site <code>cs</code>, or if
27 salcianu 1.1.2.5 <code>cs</code> doesn't belong to the code of <code>hm</code>,
28 cananian 1.1.2.9 return an array of length <code>0</code>. */
29 salcianu 1.5 public abstract HMethod[] calls(final HMethod hm, final CALL cs);
30 salcianu 1.1.2.4
31 salcianu 1.1.2.4 /** Returns a list of all the <code>CALL</code>s quads in the code
32 salcianu 1.1.2.4 of <code>hm</code>. */
33 salcianu 1.5 public abstract CALL[] getCallSites(final HMethod hm);
34 cananian 1.2 }