de.fub.bytecode.generic
Class IFNONNULL

java.lang.Object
  |
  +--de.fub.bytecode.generic.Instruction
        |
        +--de.fub.bytecode.generic.BranchInstruction
              |
              +--de.fub.bytecode.generic.IfInstruction
                    |
                    +--de.fub.bytecode.generic.IFNONNULL
All Implemented Interfaces:
java.lang.Cloneable, InstructionTargeter, java.io.Serializable, StackConsumer

public class IFNONNULL
extends IfInstruction

IFNONNULL - Branch if reference is not null

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

Version:
$Id: IFNONNULL.java,v 1.7 2001/07/16 09:22:26 dahm Exp $
Author:
M. Dahm
See Also:
Serialized Form

Fields inherited from class de.fub.bytecode.generic.BranchInstruction
index, position, target
 
Fields inherited from class de.fub.bytecode.generic.Instruction
length, opcode
 
Constructor Summary
IFNONNULL(InstructionHandle target)
           
 
Method Summary
 void accept(Visitor v)
          Call corresponding visitor method(s).
 IfInstruction negate()
           
 
Methods inherited from class de.fub.bytecode.generic.BranchInstruction
containsTarget, dump, getIndex, getTarget, getTargetOffset, getTargetOffset, initFromFile, setTarget, toString, updatePosition, updateTarget
 
Methods inherited from class de.fub.bytecode.generic.Instruction
consumeStack, consumeStack, copy, getLength, getOpcode, getTag, produceStack, 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 de.fub.bytecode.generic.StackConsumer
consumeStack
 

Constructor Detail

IFNONNULL

public IFNONNULL(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