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19 package org.apache.bcel.generic;
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21 import java.io.DataOutputStream;
22 import java.io.IOException;
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24 import org.apache.bcel.util.ByteSequence;
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31 public class LOOKUPSWITCH extends Select {
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35
36 LOOKUPSWITCH() {
37 }
38
39 public LOOKUPSWITCH(final int[] match, final InstructionHandle[] targets, final InstructionHandle defaultTarget) {
40 super(org.apache.bcel.Const.LOOKUPSWITCH, match, targets, defaultTarget);
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42 final short length = (short) (9 + getMatchLength() * 8);
43 super.setLength(length);
44 setFixedLength(length);
45 }
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53 @Override
54 public void accept(final Visitor v) {
55 v.visitVariableLengthInstruction(this);
56 v.visitStackConsumer(this);
57 v.visitBranchInstruction(this);
58 v.visitSelect(this);
59 v.visitLOOKUPSWITCH(this);
60 }
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66
67 @Override
68 public void dump(final DataOutputStream out) throws IOException {
69 super.dump(out);
70 final int matchLength = getMatchLength();
71 out.writeInt(matchLength);
72 for (int i = 0; i < matchLength; i++) {
73 out.writeInt(super.getMatch(i));
74 out.writeInt(setIndices(i, getTargetOffset(super.getTarget(i))));
75 }
76 }
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80
81 @Override
82 protected void initFromFile(final ByteSequence bytes, final boolean wide) throws IOException {
83 super.initFromFile(bytes, wide);
84 final int matchLength = bytes.readInt();
85 setMatchLength(matchLength);
86 final short fixedLength = (short) (9 + matchLength * 8);
87 setFixedLength(fixedLength);
88 final short length = (short) (matchLength + super.getPadding());
89 super.setLength(length);
90 super.setMatches(new int[matchLength]);
91 super.setIndices(new int[matchLength]);
92 super.setTargets(new InstructionHandle[matchLength]);
93 for (int i = 0; i < matchLength; i++) {
94 super.setMatch(i, bytes.readInt());
95 super.setIndices(i, bytes.readInt());
96 }
97 }
98 }