01: /* Soot - a J*va Optimization Framework
02: * Copyright (C) 2002 Ondrej Lhotak
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 2.1 of the License, or (at your option) any later version.
08: *
09: * This library is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public
15: * License along with this library; if not, write to the
16: * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17: * Boston, MA 02111-1307, USA.
18: */
19:
20: package soot;
21:
22: /** Abstract class for Soot classes that model subtypes of java.lang.Object
23: * (ie. object references and arrays)
24: * @author Ondrej Lhotak
25: */
26:
27: public abstract class RefLikeType extends Type {
28: /**
29: * If I have a variable x of declared type t, what is a good
30: * declared type for the expression ((Object[]) x)[i]? The
31: * getArrayElementType() method in RefLikeType was introduced even
32: * later to answer this question for all classes implementing
33: * RefLikeType. If t is an array, then the answer is the same as
34: * getElementType(). But t could also be Object, Serializable, or
35: * Cloneable, which can all hold any array, so then the answer is
36: * Object.
37: */
38: public abstract Type getArrayElementType();
39: }
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