Java example source code file (IFNONNULL.java)

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Java - Java tags/keywords

ifinstruction, ifnonnull, ifnull

The IFNONNULL.java Java example source code

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package com.sun.org.apache.bcel.internal.generic;

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/**
 * IFNONNULL - Branch if reference is not null
 *
 * <PRE>Stack: ..., reference -> ...

* * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm */ public class IFNONNULL extends IfInstruction { /** * Empty constructor needed for the Class.newInstance() statement in * Instruction.readInstruction(). Not to be used otherwise. */ IFNONNULL() {} public IFNONNULL(InstructionHandle target) { super(com.sun.org.apache.bcel.internal.Constants.IFNONNULL, target); } /** * @return negation of instruction */ public IfInstruction negate() { return new IFNULL(target); } /** * 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. * * @param v Visitor object */ public void accept(Visitor v) { v.visitStackConsumer(this); v.visitBranchInstruction(this); v.visitIfInstruction(this); v.visitIFNONNULL(this); } }