1 kkz 1.1.2.1 // EventDrivenCode.java, created Fri Nov 12 14:40:55 1999 by kkz
2 cananian 1.1.2.12 // Copyright (C) 1999 Karen K. Zee <kkz@alum.mit.edu>
3 kkz 1.1.2.1 // Licensed under the terms of the GNU GPL; see COPYING for details.
4 kkz 1.1.2.1 package harpoon.Analysis.EventDriven;
5 kkz 1.1.2.1
6 kkz 1.1.2.1 import harpoon.ClassFile.HClass;
7 kkz 1.1.2.1 import harpoon.ClassFile.HCode;
8 cananian 1.1.2.11 import harpoon.ClassFile.HCodeAndMaps;
9 kkz 1.1.2.1 import harpoon.ClassFile.HMethod;
10 bdemsky 1.1.2.6 import harpoon.ClassFile.Loader;
11 bdemsky 1.1.2.6 import harpoon.ClassFile.Linker;
12 kkz 1.1.2.1 import harpoon.IR.Quads.CALL;
13 kkz 1.1.2.1 import harpoon.IR.Quads.Code;
14 kkz 1.1.2.1 import harpoon.IR.Quads.FOOTER;
15 kkz 1.1.2.1 import harpoon.IR.Quads.HEADER;
16 kkz 1.1.2.1 import harpoon.IR.Quads.METHOD;
17 bdemsky 1.1.2.2 import harpoon.IR.Quads.THROW;
18 kkz 1.1.2.1 import harpoon.IR.Quads.Quad;
19 kkz 1.1.2.1 import harpoon.IR.Quads.RETURN;
20 kkz 1.1.2.1 import harpoon.Temp.Temp;
21 bdemsky 1.1.2.2 import harpoon.Temp.TempFactory;
22 kkz 1.1.2.1
23 kkz 1.1.2.1 /**
24 kkz 1.1.2.1 * <code>EventDrivenCode</code>
25 bdemsky 1.1.2.6 *
26 cananian 1.1.2.12 * @author Karen K. Zee <kkz@alum.mit.edu>
27 cananian 1.3 * @version $Id: EventDrivenCode.java,v 1.3 2003/03/11 18:22:21 cananian Exp $
28 kkz 1.1.2.1 */
29 bdemsky 1.1.2.7 public class EventDrivenCode extends harpoon.IR.Quads.QuadSSI {
30 kkz 1.1.2.1 /** Creates a <code>EventDrivenCode</code>. */
31 bdemsky 1.1.2.6 public EventDrivenCode(HMethod parent, HMethod newmain, Temp[] params,
32 bdemsky 1.1.2.6 Linker linker) {
33 kkz 1.1.2.1 super(parent, null);
34 bdemsky 1.1.2.6 this.quads = buildCode(newmain, params, linker);
35 kkz 1.1.2.1 }
36 kkz 1.1.2.1
37 kkz 1.1.2.1 private EventDrivenCode(HMethod parent) {
38 kkz 1.1.2.1 super(parent, null);
39 kkz 1.1.2.1 }
40 kkz 1.1.2.1
41 kkz 1.1.2.1 /** Clone this code representation. The clone has its own copy of
42 kkz 1.1.2.1 * the quad graph.
43 kkz 1.1.2.1 */
44 cananian 1.3 public HCodeAndMaps<Quad> clone(HMethod newMethod) {
45 cananian 1.1.2.11 return cloneHelper(new EventDrivenCode(newMethod));
46 kkz 1.1.2.1 }
47 kkz 1.1.2.1
48 kkz 1.1.2.1 /**
49 kkz 1.1.2.1 * Return the name of this code view.
50 kkz 1.1.2.1 * @return the name of the <code>parent</code>'s code view.
51 kkz 1.1.2.1 */
52 kkz 1.1.2.1 public String getName() {
53 bdemsky 1.1.2.7 return harpoon.IR.Quads.QuadSSI.codename;
54 kkz 1.1.2.1 }
55 kkz 1.1.2.1
56 bdemsky 1.1.2.6 private Quad buildCode(HMethod newmain, Temp[] params, Linker linker) {
57 bdemsky 1.1.2.8 TempFactory tf=qf.tempFactory();
58 kkz 1.1.2.1 System.out.println("Entering EventDrivenCode.buildCode()");
59 bdemsky 1.1.2.7 HEADER h = new HEADER(qf, null);
60 bdemsky 1.1.2.7 FOOTER f = new FOOTER(qf, null, 4);
61 kkz 1.1.2.1 Quad.addEdge(h, 0, f, 0);
62 bdemsky 1.1.2.8 Temp[] params2=new Temp[params.length];
63 bdemsky 1.1.2.8 for (int i=0;i<params.length;i++)
64 bdemsky 1.1.2.8 params2[i]=new Temp(tf,params[i].name());
65 bdemsky 1.1.2.8 METHOD m = new METHOD(qf, null, params2, 1);
66 kkz 1.1.2.1 Quad.addEdge(h, 1, m, 0);
67 kkz 1.1.2.1
68 kkz 1.1.2.1 if (newmain == null) System.out.println("newmain is null");
69 kkz 1.1.2.1
70 kkz 1.1.2.1 // call to new main method (mainAsync)
71 bdemsky 1.1.2.2 Temp t=new Temp(tf);
72 bdemsky 1.1.2.2 Temp exc=new Temp(tf);
73 bdemsky 1.1.2.2
74 bdemsky 1.1.2.8 CALL c1 = new CALL(qf, null, newmain, params2, t, exc, true,
75 kkz 1.1.2.1 false, new Temp[0]);
76 bdemsky 1.1.2.7 THROW throwq=new THROW(qf, null, exc);
77 bdemsky 1.1.2.2 Quad.addEdge(c1, 1, throwq,0);
78 kkz 1.1.2.1 Quad.addEdge(m, 0, c1, 0);
79 kkz 1.1.2.1
80 kkz 1.1.2.1 // call to scheduler
81 kkz 1.1.2.1 HMethod schloop = null;
82 kkz 1.1.2.1 try {
83 kkz 1.1.2.1 final HClass sch =
84 bdemsky 1.1.2.6 linker.forName("harpoon.Analysis.ContBuilder.Scheduler");
85 kkz 1.1.2.1 schloop = sch.getDeclaredMethod("loop", new HClass[0]);
86 kkz 1.1.2.1 } catch (Exception e) {
87 kkz 1.1.2.1 System.err.println
88 kkz 1.1.2.1 ("Cannot find harpoon.Analysis.EventDriven.Scheduler");
89 kkz 1.1.2.1 }
90 bdemsky 1.1.2.7
91 kkz 1.1.2.1
92 bdemsky 1.1.2.2 Temp exc2=new Temp(tf);
93 bdemsky 1.1.2.7 CALL c2 = new CALL(qf, null, schloop, new Temp[0], null, exc2,
94 kkz 1.1.2.1 true, false, new Temp[0]);
95 bdemsky 1.1.2.7 THROW throwq2=new THROW(qf, null, exc2);
96 kkz 1.1.2.1 Quad.addEdge(c1, 0, c2, 0);
97 bdemsky 1.1.2.4 Quad.addEdge(c2, 1, throwq2,0);
98 kkz 1.1.2.1
99 bdemsky 1.1.2.3
100 bdemsky 1.1.2.7 RETURN r = new RETURN(qf, null, null);
101 bdemsky 1.1.2.3 Quad.addEdge(c2,0,r,0);
102 kkz 1.1.2.1 Quad.addEdge(r, 0, f, 1);
103 bdemsky 1.1.2.2 Quad.addEdge(throwq,0,f,2);
104 bdemsky 1.1.2.2 Quad.addEdge(throwq2,0, f,3);
105 kkz 1.1.2.1 System.out.println("Leaving EventDrivenCode.buildCode()");
106 kkz 1.1.2.1 return h;
107 kkz 1.1.2.1 }
108 cananian 1.2 }