Package 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:

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.

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	Description
protected	IfInstruction(short opcode, InstructionHandle target)	Constructs an IfInstruction.

Method Summary

Modifier and Type	Method	Description
abstract IfInstruction	negate()	Gets the negation of this instruction.

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

containsTarget, dump, getIndex, getPosition, getTarget, getTargetOffset, getTargetOffset, initFromFile, 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, 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 Details

IfInstruction

protected IfInstruction(short opcode,
 InstructionHandle target)

Constructs an IfInstruction.

Parameters:

opcode - opcode of instruction.

target - Target instruction to branch to.

Method Details

negate

public abstract IfInstruction negate()

Gets the negation of this instruction.

Returns:

negation of instruction, for example IFEQ.negate() == IFNE.