Mercurial > hg > openjdk > jdk9 > jaxp
view src/java.xml/share/classes/com/sun/org/apache/bcel/internal/generic/INSTANCEOF.java @ 1113:2fdbfbde3bc0
8162572: Update License Header for all JAXP sources
Reviewed-by: lancea
author | joehw |
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date | Mon, 17 Apr 2017 16:24:10 -0700 |
parents | 2bfaf29cc90b |
children |
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/* * reserved comment block * DO NOT REMOVE OR ALTER! */ /* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.sun.org.apache.bcel.internal.generic; /** * INSTANCEOF - Determine if object is of given type * <PRE>Stack: ..., objectref -> ..., result</PRE> * * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> */ public class INSTANCEOF extends CPInstruction implements LoadClass, ExceptionThrower, StackProducer, StackConsumer { /** * Empty constructor needed for the Class.newInstance() statement in * Instruction.readInstruction(). Not to be used otherwise. */ INSTANCEOF() {} public INSTANCEOF(int index) { super(com.sun.org.apache.bcel.internal.Constants.INSTANCEOF, index); } public Class[] getExceptions() { return com.sun.org.apache.bcel.internal.ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION; } public ObjectType getLoadClassType(ConstantPoolGen cpg) { Type t = getType(cpg); if(t instanceof ArrayType) t = ((ArrayType) t).getBasicType(); return (t instanceof ObjectType)? (ObjectType) t : null; } /** * 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.visitLoadClass(this); v.visitExceptionThrower(this); v.visitStackProducer(this); v.visitStackConsumer(this); v.visitTypedInstruction(this); v.visitCPInstruction(this); v.visitINSTANCEOF(this); } }