00001 package gov.nasa.arc.ase.jpf.jvm.bytecode;
00002
00003 import de.fub.bytecode.generic.InstructionHandle;
00004 import gov.nasa.arc.ase.jpf.*;
00005 import gov.nasa.arc.ase.jpf.jvm.*;
00006 import gov.nasa.arc.ase.util.Debug;
00007
00008 public class ARRAYLENGTH extends AbstractInstruction {
00009 private de.fub.bytecode.generic.ARRAYLENGTH peer;
00010
00011 public InstructionHandle execute(SystemState ss, KernelState ks, ThreadInfo th) {
00012 DynamicArea da = ks.dynamic_area;
00013
00014 int objref = th.pop();
00015 int length = da.arraylength(objref);
00016
00017 th.push(length);
00018
00019 return th.getPC().getNext();
00020 }
00021 public void setPeer(de.fub.bytecode.generic.Instruction i) {
00022 peer = (de.fub.bytecode.generic.ARRAYLENGTH)i;
00023 }
00024 }
