01: //
02: // Copyright (C) 2005 United States Government as represented by the
03: // Administrator of the National Aeronautics and Space Administration
04: // (NASA). All Rights Reserved.
05: //
06: // This software is distributed under the NASA Open Source Agreement
07: // (NOSA), version 1.3. The NOSA has been approved by the Open Source
08: // Initiative. See the file NOSA-1.3-JPF at the top of the distribution
09: // directory tree for the complete NOSA document.
10: //
11: // THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
12: // KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
13: // LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
14: // SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
15: // A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
16: // THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
17: // DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
18: //
19: package gov.nasa.jpf.jvm.bytecode;
20:
21: import org.apache.bcel.classfile.ConstantPool;
22:
23: /**
24: * abstraction for all array instructions
25: */
26: public abstract class ArrayInstruction extends Instruction {
27:
28: public ArrayInstruction() {
29: }
30:
31: /* define this here since none of the array instructions need to set a
32: * peer. */
33: public void setPeer(org.apache.bcel.generic.Instruction i,
34: ConstantPool cp) {
35: }
36:
37: /**
38: * return size of array elements in stack words (long,double: 2, all other: 1)
39: * e.g. used to determine where the object reference is on the stack
40: */
41: protected int getElementSize() {
42: return 1;
43: }
44: }
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