dovs.instructions
Class Idup

java.lang.Object
  dovs.instructions.Instruction
      dovs.instructions.Idup

public class Idup
extends Instruction

A dup instruction.

Constructor Summary

Idup()

Method Summary

int	stackChange() Returns the number of stack slots that the stack height will change when this instruction is executed.
String	toAsm() Returns the instruction in jasmin format.

Methods inherited from class dovs.instructions.Instruction

canFallThrough, canJump, getArg, getID, getID, getTarget, localAccess

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Idup

public Idup()

Method Detail

toAsm

public String toAsm()

Description copied from class: Instruction

Returns the instruction in jasmin format.

Specified by:

toAsm in class Instruction

Returns:

the instruction as a string

stackChange

public int stackChange()

Description copied from class: Instruction

Returns the number of stack slots that the stack height will change when this instruction is executed. A positive value means the stack will grow. A negative value means the stack will shrink.

Specified by:

stackChange in class Instruction

Returns:

the stack change