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bcel API: Class IFNULL

org.apache.bcel.generic
Class IFNULL

java.lang.Object
  |
  +--org.apache.bcel.generic.Instruction
        |
        +--org.apache.bcel.generic.BranchInstruction
              |
              +--org.apache.bcel.generic.IfInstruction
                    |
                    +--org.apache.bcel.generic.IFNULL
All Implemented Interfaces:
java.lang.Cloneable, InstructionTargeter, java.io.Serializable, StackConsumer

public class IFNULL
extends IfInstruction

IFNULL - Branch if reference is not null

Stack: ..., reference -> ...

Version:
$Id: IFNULL.java,v 1.1.1.1 2001/10/29 20:00:15 jvanzyl Exp $
Author:
M. Dahm
See Also:
Serialized Form

Fields inherited from class org.apache.bcel.generic.BranchInstruction
index, position, target
 
Fields inherited from class org.apache.bcel.generic.Instruction
length, opcode
 
Constructor Summary
IFNULL(InstructionHandle target)
           
 
Method Summary
 void accept(Visitor v)
          Call corresponding visitor method(s).
 IfInstruction negate()
           
 
Methods inherited from class org.apache.bcel.generic.BranchInstruction
containsTarget, dump, getIndex, getTarget, getTargetOffset, getTargetOffset, initFromFile, setTarget, toString, updatePosition, updateTarget
 
Methods inherited from class org.apache.bcel.generic.Instruction
consumeStack, copy, getLength, getOpcode, produceStack, readInstruction, toString, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.apache.bcel.generic.StackConsumer
consumeStack
 

Constructor Detail

IFNULL

public IFNULL(InstructionHandle target)
Method Detail

negate

public IfInstruction negate()
Overrides:
negate in class IfInstruction
Returns:
negation of instruction

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