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Java > Open Source Codes > org > quilt > cl > CatchData


1 /* CatchData.java */
2 package org.quilt.cl;
3
4 import org.apache.bcel.generic.*;
5 import org.quilt.graph.Vertex;
6
7 /**
8  * Data structure describing an exception handler.
9  *
10  * XXX There have been problems associated with generation of
11  * exception handlers. <code>tryEnd</code> should be used to get
12  * a handle of the <b>last</b> instruction in the vertex.
13  *
14  * @author < a HREF="jddixon@users.sourceforge.net">Jim Dixon</a>
15  */
16 public class CatchData {
17
18     /** First code vertex in try block. */
19     public Vertex tryStart;
20     /** Last code Vertex in try block. */
21     public Vertex tryEnd;
22     /** First code vertex in handler. */
23     public Vertex handlerPC;
24     /** Type of exception handled. */
25     public ObjectType exception;
26    
27     /** The information needed to set up an exception handler. */
28
29     public CatchData (Vertex start, Vertex end, Vertex handler,
30                                                     ObjectType exc) {
31         tryStart = start;
32         tryEnd = end;
33         handlerPC = handler;
34         exception = exc;
35     }
36 }
37
38     
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