org.apache.bcel.generic

Class DUP2

Implemented Interfaces:
Cloneable, PushInstruction, 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 1.1.1.1 2001/10/29 20:00:10 jvanzyl Exp $
Author:
M. Dahm

Field Summary

Fields inherited from class org.apache.bcel.generic.Instruction

length, opcode

Constructor Summary

DUP2()
Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction().

Method Summary

void
accept(Visitor v)
Call corresponding visitor method(s).

Methods inherited from class org.apache.bcel.generic.StackInstruction

getType

Methods inherited from class org.apache.bcel.generic.Instruction

accept, consumeStack, copy, dump, equals, getComparator, getLength, getName, getOpcode, initFromFile, produceStack, readInstruction, setComparator, toString, toString, toString

Constructor Details

DUP2

public DUP2()
Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction(). Not to be used otherwise.

Method Details

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 interface Instruction
Parameters:
v - Visitor object