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: * NewExpr represents the <tt>new</tt> opcode that creates a new object of a
27: * specified type.
28: */
29: public class NewExpr extends Expr {
30: // new
31: Type objectType;
32:
33: /**
34: * Constructor.
35: *
36: * @param objectType
37: * The type of the object to create.
38: * @param type
39: * The type of this expression.
40: */
41: public NewExpr(final Type objectType, final Type type) {
42: super (type);
43: this .objectType = objectType;
44: }
45:
46: /**
47: * Returns the <tt>Type</tt> of the object being created.
48: */
49: public Type objectType() {
50: return objectType;
51: }
52:
53: public void visitForceChildren(final TreeVisitor visitor) {
54: }
55:
56: public void visit(final TreeVisitor visitor) {
57: visitor.visitNewExpr(this );
58: }
59:
60: public int exprHashCode() {
61: return 16 + objectType.hashCode();
62: }
63:
64: public boolean equalsExpr(final Expr other) {
65: return false;
66: }
67:
68: public Object clone() {
69: return copyInto(new NewExpr(objectType, type));
70: }
71: }
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