NEW.java Source File

00001 package gov.nasa.arc.ase.jpf.jvm.bytecode;
00002 
00003 import de.fub.bytecode.classfile.ConstantPool;
00004 import gov.nasa.arc.ase.jpf.jvm.SystemState;
00005 import gov.nasa.arc.ase.jpf.jvm.KernelState;
00006 import gov.nasa.arc.ase.jpf.jvm.ThreadInfo;
00007 import gov.nasa.arc.ase.jpf.jvm.ClassInfo;
00008 import gov.nasa.arc.ase.util.Debug;
00009 
00010 public class NEW extends Instruction {
00011   private String cname;
00012 
00013   public Instruction execute(SystemState ss, KernelState ks, ThreadInfo th) {
00014     ClassInfo ci = ClassInfo.getClassInfo(cname);
00015     int objref = ks.da.newObject(ci, th);
00016 
00017     if(ci.instanceOf("java.lang.Thread"))
00018       ks.newThread(objref);
00019 
00020     // pushes the return value onto the stack
00021     th.push(objref, true);
00022 
00023     return th.getPC().getNext();
00024   }  
00025   public void setPeer(de.fub.bytecode.generic.Instruction i, ConstantPool cp) {
00026     cname = cp.constantToString(cp.getConstant(((de.fub.bytecode.generic.NEW)i).getIndex()));
00027   }  
00028 }