de.fub.bytecode.generic
Class DUP2

java.lang.Object
  |
  +--de.fub.bytecode.generic.Instruction
        |
        +--de.fub.bytecode.generic.StackInstruction
              |
              +--de.fub.bytecode.generic.DUP2
All Implemented Interfaces:
java.lang.Cloneable, PushInstruction, java.io.Serializable, StackProducer

public class DUP2
extends StackInstruction
implements PushInstruction

DUP2 - Duplicate two top operand stack words

Stack: ..., word2, word1 -> ..., word2, word1, word2, word1

Version:
$Id: DUP2.java,v 1.5 2001/05/09 09:26:57 dahm Exp $
Author:
M. Dahm
See Also:
Serialized Form

Fields inherited from class de.fub.bytecode.generic.Instruction
length, opcode
 
Constructor Summary
DUP2()
           
 
Method Summary
 void accept(Visitor v)
          Call corresponding visitor method(s).
 
Methods inherited from class de.fub.bytecode.generic.StackInstruction
getType
 
Methods inherited from class de.fub.bytecode.generic.Instruction
consumeStack, consumeStack, copy, dump, getLength, getOpcode, getTag, initFromFile, produceStack, produceStack, readInstruction, toString, toString, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface de.fub.bytecode.generic.StackProducer
produceStack
 

Constructor Detail

DUP2

public DUP2()
Method Detail

accept

public void accept(Visitor v)
Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call methods according to the class hierarchy in descending order, i.e., the most specific visitXXX() call comes last.
Overrides:
accept in class Instruction
Parameters:
v - Visitor object