jaxp/src/java.xml/share/classes/com/sun/org/apache/bcel/internal/generic/JSR_W.java
author joehw
Sun, 13 Aug 2017 21:10:40 -0700
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permissions -rw-r--r--
8163121: BCEL: update to the latest 6.0 release Reviewed-by: dfuchs, lancea
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/*
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 * reserved comment block
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 * DO NOT REMOVE OR ALTER!
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 */
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/*
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 * Licensed to the Apache Software Foundation (ASF) under one or more
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 * contributor license agreements.  See the NOTICE file distributed with
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 * this work for additional information regarding copyright ownership.
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 * The ASF licenses this file to You under the Apache License, Version 2.0
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 * (the "License"); you may not use this file except in compliance with
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 * the License.  You may obtain a copy of the License at
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package com.sun.org.apache.bcel.internal.generic;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import com.sun.org.apache.bcel.internal.util.ByteSequence;
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/**
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 * JSR_W - Jump to subroutine
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 *
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 * @version $Id: JSR_W.java 1747278 2016-06-07 17:28:43Z britter $
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 */
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public class JSR_W extends JsrInstruction {
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    /**
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     * Empty constructor needed for the Class.newInstance() statement in
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     * Instruction.readInstruction(). Not to be used otherwise.
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     */
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    JSR_W() {
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    }
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    public JSR_W(final InstructionHandle target) {
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        super(com.sun.org.apache.bcel.internal.Const.JSR_W, target);
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        super.setLength(5);
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    }
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    /**
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     * Dump instruction as byte code to stream out.
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     * @param out Output stream
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     */
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    @Override
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    public void dump( final DataOutputStream out ) throws IOException {
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        super.setIndex(getTargetOffset());
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        out.writeByte(super.getOpcode());
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        out.writeInt(super.getIndex());
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    }
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    /**
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     * Read needed data (e.g. index) from file.
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     */
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    @Override
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    protected void initFromFile( final ByteSequence bytes, final boolean wide ) throws IOException {
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        super.setIndex(bytes.readInt());
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        super.setLength(5);
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    }
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    /**
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     * Call corresponding visitor method(s). The order is:
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     * Call visitor methods of implemented interfaces first, then
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     * call methods according to the class hierarchy in descending order,
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     * i.e., the most specific visitXXX() call comes last.
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     *
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     * @param v Visitor object
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     */
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    @Override
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    public void accept( final Visitor v ) {
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        v.visitStackProducer(this);
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        v.visitBranchInstruction(this);
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        v.visitJsrInstruction(this);
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        v.visitJSR_W(this);
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    }
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}