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.editor.*;
24:
25: /**
26: * ReturnAddressExpr represents a return address used with the <i>ret</i>
27: * opcode.
28: */
29: public class ReturnAddressExpr extends Expr {
30: /**
31: * Constructor.
32: *
33: * @param type
34: * The type of this expression (Type.ADDRESS).
35: */
36: public ReturnAddressExpr(final Type type) {
37: super (type);
38: }
39:
40: public void visitForceChildren(final TreeVisitor visitor) {
41: }
42:
43: public void visit(final TreeVisitor visitor) {
44: visitor.visitReturnAddressExpr(this );
45: }
46:
47: public int exprHashCode() {
48: return 18;
49: }
50:
51: public boolean equalsExpr(final Expr other) {
52: return false;
53: }
54:
55: public Object clone() {
56: return copyInto(new ReturnAddressExpr(type));
57: }
58: }
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