1 cananian 1.1.2.1 // PMCONST.java, created Wed Jan 20 21:47:52 1999 by cananian
2 cananian 1.1.2.1 // Copyright (C) 1999 C. Scott Ananian <cananian@alumni.princeton.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.IR.LowQuad;
5 cananian 1.1.2.1
6 cananian 1.1.2.1 import harpoon.ClassFile.HCodeElement;
7 cananian 1.1.2.1 import harpoon.ClassFile.HConstructor;
8 cananian 1.1.2.1 import harpoon.ClassFile.HMethod;
9 cananian 1.1.2.1 import harpoon.Temp.Temp;
10 cananian 1.1.2.1 import harpoon.Temp.TempMap;
11 cananian 1.1.2.1 import harpoon.Util.Util;
12 cananian 1.1.2.1
13 cananian 1.1.2.1 import java.lang.reflect.Modifier;
14 cananian 1.1.2.1 /**
15 cananian 1.1.2.1 * <code>PMCONST</code> computes the <code>POINTER</code> constant
16 cananian 1.1.2.1 * needed to invoke a given <b>non-virtual</b> method. Virtual methods
17 cananian 1.1.2.1 * are invoked using <code>PMETHOD</code> and <code>PMOFFSET</code>.
18 cananian 1.1.2.1 *
19 cananian 1.1.2.1 * @author C. Scott Ananian <cananian@alumni.princeton.edu>
20 cananian 1.5 * @version $Id: PMCONST.java,v 1.5 2002/04/11 04:00:21 cananian Exp $
21 cananian 1.1.2.1 */
22 cananian 1.1.2.1 public class PMCONST extends PCONST {
23 cananian 1.1.2.1 /** The <code>HMethod</code> to address. */
24 cananian 1.1.2.1 protected final HMethod method;
25 cananian 1.1.2.1
26 cananian 1.1.2.1 /** Creates a <code>PMCONST</code> representing the <code>POINTER</code>
27 cananian 1.1.2.1 * constant needed to invoke a given <b>non-virtual</b> method.
28 cananian 1.1.2.1 * @param dst
29 cananian 1.1.2.1 * the <code>Temp</code> in which to store the computed
30 cananian 1.1.2.1 * <code>POINTER</code> constant.
31 cananian 1.1.2.1 * @param method
32 cananian 1.1.2.1 * the <code>HMethod</code> whose <code>POINTER</code>
33 cananian 1.1.2.1 * constant to compute.
34 cananian 1.1.2.1 */
35 cananian 1.1.2.1 public PMCONST(LowQuadFactory qf, HCodeElement source,
36 cananian 1.1.2.1 final Temp dst, final HMethod method) {
37 cananian 1.1.2.1 super(qf, source, dst);
38 cananian 1.1.2.1 this.method = method;
39 cananian 1.3.2.1 assert method!=null; // can't really check better than this.
40 cananian 1.1.2.1 }
41 cananian 1.1.2.1 // ACCESSOR METHODS:
42 cananian 1.1.2.1 /** Returns the method whose offset is computed. */
43 cananian 1.1.2.1 public HMethod method() { return method; }
44 cananian 1.1.2.1
45 cananian 1.1.2.1 public int kind() { return LowQuadKind.PMCONST; }
46 cananian 1.1.2.1
47 cananian 1.1.2.1 public harpoon.IR.Quads.Quad rename(harpoon.IR.Quads.QuadFactory qf,
48 cananian 1.1.2.1 TempMap defMap, TempMap useMap) {
49 cananian 1.1.2.1 return new PMCONST((LowQuadFactory)qf, this,
50 cananian 1.1.2.1 map(defMap, dst), method);
51 cananian 1.1.2.1 }
52 cananian 1.1.2.1
53 cananian 1.1.2.2 void accept(LowQuadVisitor v) { v.visit(this); }
54 cananian 1.5 <T> T accept(LowQuadValueVisitor<T> v) { return v.visit(this); }
55 cananian 1.1.2.1
56 cananian 1.1.2.1 public String toString() {
57 cananian 1.1.2.1 return dst.toString() + " = PMCONST " +
58 cananian 1.1.2.1 method.getDeclaringClass().getName()+"."+method.getName();
59 cananian 1.1.2.1 }
60 cananian 1.2 }