/*
 * 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;

import java.io.DataOutputStream;
import java.io.IOException;

import com.sun.org.apache.bcel.internal.util.ByteSequence;

TABLESWITCH - Switch within given range of values, i.e., low..high
See Also:
Version:$Id: TABLESWITCH.java 1749603 2016-06-21 20:50:19Z ggregory $
/** * TABLESWITCH - Switch within given range of values, i.e., low..high * * @version $Id: TABLESWITCH.java 1749603 2016-06-21 20:50:19Z ggregory $ * @see SWITCH */
public class TABLESWITCH extends Select {
Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction(). Not to be used otherwise.
/** * Empty constructor needed for the Class.newInstance() statement in * Instruction.readInstruction(). Not to be used otherwise. */
TABLESWITCH() { }
Params:
  • match – sorted array of match values, match[0] must be low value, match[match_length - 1] high value
  • targets – where to branch for matched values
  • defaultTarget – default branch
/** * @param match sorted array of match values, match[0] must be low value, * match[match_length - 1] high value * @param targets where to branch for matched values * @param defaultTarget default branch */
public TABLESWITCH(final int[] match, final InstructionHandle[] targets, final InstructionHandle defaultTarget) { super(com.sun.org.apache.bcel.internal.Const.TABLESWITCH, match, targets, defaultTarget); /* Alignment remainder assumed 0 here, until dump time */ final short _length = (short) (13 + getMatch_length() * 4); super.setLength(_length); setFixed_length(_length); }
Dump instruction as byte code to stream out.
Params:
  • out – Output stream
/** * Dump instruction as byte code to stream out. * @param out Output stream */
@Override public void dump( final DataOutputStream out ) throws IOException { super.dump(out); final int _match_length = getMatch_length(); final int low = (_match_length > 0) ? super.getMatch(0) : 0; out.writeInt(low); final int high = (_match_length > 0) ? super.getMatch(_match_length - 1) : 0; out.writeInt(high); for (int i = 0; i < _match_length; i++) { out.writeInt(setIndices(i, getTargetOffset(super.getTarget(i)))); } }
Read needed data (e.g. index) from file.
/** * Read needed data (e.g. index) from file. */
@Override protected void initFromFile( final ByteSequence bytes, final boolean wide ) throws IOException { super.initFromFile(bytes, wide); final int low = bytes.readInt(); final int high = bytes.readInt(); final int _match_length = high - low + 1; setMatch_length(_match_length); final short _fixed_length = (short) (13 + _match_length * 4); setFixed_length(_fixed_length); super.setLength((short) (_fixed_length + super.getPadding())); super.setMatches(new int[_match_length]); super.setIndices(new int[_match_length]); super.setTargets(new InstructionHandle[_match_length]); for (int i = 0; i < _match_length; i++) { super.setMatch(i, low + i); super.setIndices(i, bytes.readInt()); } }
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.
Params:
  • v – Visitor object
/** * 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 */
@Override public void accept( final Visitor v ) { v.visitVariableLengthInstruction(this); v.visitStackConsumer(this); v.visitBranchInstruction(this); v.visitSelect(this); v.visitTABLESWITCH(this); } }