1 /**
   2  * .
   3  * Copyright � 1999 Erich P G.
   4  *
   5  */
   6  
   7 package autohit.vm;
   8 
   9 import java.io.Serializable;
  10 
  11 /**
  12  * A Virtual Machine instruction.  It implements a RSCOPE instruction which
  13  * specifies the removal of a scope.  The VM should remove all scope stack
  14  * elements up to and including the last SCOPE.  Any variable references
  15  * found in the removed elements should be removed from the VM's variable
  16  * map.  
  17  *
  18  * @see autohit.vm.VMInstruction
  19  *
  20  * @author Erich P. Gatejen
  21  * @version 1.0
  22  * <i>Version History</i>
  23  * <code>EPG - Initial - 20Jan99</code> 
  24  * 
  25  */
  26 public class VMIRScope extends VMInstruction {
  27 	
  28 	// --- FINAL FIELDS ------------------------------------------------------	
  29 
  30 	// --- FIELDS ------------------------------------------------------------
  31     
  32 	// --- PUBLIC METHODS ----------------------------------------------------	
  33 
  34     /**
  35      *  Default constructor.
  36      */ 
  37     public VMIRScope() {
  38         nToken = VMInstruction.RSCOPE;
  39     }
  40 
  41     /**
  42      *  Dump this Instruction.  Mostly for debugging.
  43      *
  44      *  @return a String containing the dump.
  45      */
  46     public String toString() {
  47         StringBuffer d = new StringBuffer();        
  48         return " VMIRScope ------------------------- \n";
  49     }
  50     
  51 	// --- PRIVATE METHODS ---------------------------------------------------
  52 
  53 }