01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package EDU.purdue.cs.bloat.tree;
22:
23: import EDU.purdue.cs.bloat.cfg.*;
24:
25: /**
26: * Associated with an AddressStoreStmt is a Subroutine whose address (offset in
27: * the instruction sequence) is to be stored. Addresses may be loaded (using
28: * <i>astore</i>), but cannot be reloaded. Therefore, AddressStoreStmt is
29: * needed to differentiate between a regular (object reference) <i>astore</i>
30: * which is modeled by a LocalExpr.
31: *
32: * @see Tree#visit_astore
33: * @see Subroutine
34: * @see LocalExpr
35: */
36: public class AddressStoreStmt extends Stmt {
37: Subroutine sub;
38:
39: /**
40: * Constructor.
41: *
42: * @param sub
43: *
44: */
45: public AddressStoreStmt(final Subroutine sub) {
46: this .sub = sub;
47: }
48:
49: public Subroutine sub() {
50: return sub;
51: }
52:
53: public void visitForceChildren(final TreeVisitor visitor) {
54: }
55:
56: public void visit(final TreeVisitor visitor) {
57: visitor.visitAddressStoreStmt(this );
58: }
59:
60: public Object clone() {
61: return copyInto(new AddressStoreStmt(sub));
62: }
63: }
|