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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;

LOOKUPSWITCH - Switch with unordered set of values
See Also:
Version:$Id: LOOKUPSWITCH.java 1747278 2016-06-07 17:28:43Z britter $
/** * LOOKUPSWITCH - Switch with unordered set of values * * @version $Id: LOOKUPSWITCH.java 1747278 2016-06-07 17:28:43Z britter $ * @see SWITCH */
public class LOOKUPSWITCH 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. */
LOOKUPSWITCH() { } public LOOKUPSWITCH(final int[] match, final InstructionHandle[] targets, final InstructionHandle defaultTarget) { super(com.sun.org.apache.bcel.internal.Const.LOOKUPSWITCH, match, targets, defaultTarget); /* alignment remainder assumed 0 here, until dump time. */ final short _length = (short) (9 + getMatch_length() * 8); 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(); out.writeInt(_match_length); // npairs for (int i = 0; i < _match_length; i++) { out.writeInt(super.getMatch(i)); // match-offset pairs 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); // reads padding final int _match_length = bytes.readInt(); setMatch_length(_match_length); final short _fixed_length = (short) (9 + _match_length * 8); setFixed_length(_fixed_length); final short _length = (short) (_match_length + super.getPadding()); super.setLength(_length); 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, bytes.readInt()); 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.visitLOOKUPSWITCH(this); } }