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
EMPTY_ARRAY, length, opcode
Constructor Summary

Constructors

Modifier

Constructor

Description

(package private)

IfInstruction()

Empty constructor needed for Instruction.readInstruction.

protected

IfInstruction(short opcode, InstructionHandle target)
Method Summary

Modifier and Type

Method

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 Details
- 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 Details
- negate
  
  public abstract IfInstruction negate()
  
  Returns:
  
  negation of instruction, e.g. IFEQ.negate() == IFNE