org.apache.bcel.generic

Class IfInstruction

java.lang.Object

org.apache.bcel.generic.Instruction

org.apache.bcel.generic.BranchInstruction

org.apache.bcel.generic.IfInstruction

All Implemented Interfaces:

java.lang.Cloneable, InstructionTargeter, StackConsumer

Direct Known Subclasses:

IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL

public abstract class IfInstruction
extends BranchInstruction
implements StackConsumer

Super class for the IFxxx family of instructions.

Version:

$Id$

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

Constructors

Modifier	Constructor and Description
(package private)	IfInstruction() Empty constructor needed for Instruction.readInstruction.
protected	IfInstruction(short opcode, InstructionHandle target)

Method Summary

Modifier and Type	Method and Description
abstract IfInstruction	negate()

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

containsTarget, dispose, dump, getIndex, getPosition, getTarget, getTargetOffset, getTargetOffset, initFromFile, notifyTarget, setIndex, setPosition, setTarget, toString, updatePosition, updateTarget

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

accept, consumeStack, copy, equals, getComparator, getLength, getName, getOpcode, hashCode, isValidByte, isValidShort, produceStack, readInstruction, setComparator, setLength, setOpcode, toString, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.bcel.generic.StackConsumer

consumeStack

Constructor Detail

IfInstruction

IfInstruction()

Empty constructor needed for Instruction.readInstruction. Not to be used otherwise.

IfInstruction

protected IfInstruction(short opcode,
                        InstructionHandle target)

Parameters:

opcode - opcode of instruction

target - Target instruction to branch to

Method Detail

negate

public abstract IfInstruction negate()

Returns:

negation of instruction, e.g. IFEQ.negate() == IFNE