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org.apache.bcel.generic

Class IFNULL

Implemented Interfaces:
Cloneable, InstructionTargeter, Serializable, StackConsumer
public class IFNULL
extends IfInstruction
IFNULL - Branch if reference is not null 
Stack: ..., reference -> ...
Version:
$Id: IFNULL.java 152690 2001-10-29 19:59:54Z jvanzyl $
Author:
M. Dahm

Field Summary

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.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

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

Constructor Details

IFNULL

public IFNULL(InstructionHandle target)

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

negate

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

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