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src/java.xml/share/classes/com/sun/org/apache/bcel/internal/generic/TABLESWITCH.java

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*** 19,99 **** * limitations under the License. */ package com.sun.org.apache.bcel.internal.generic; ! import java.io.*; import com.sun.org.apache.bcel.internal.util.ByteSequence; /** * TABLESWITCH - Switch within given range of values, i.e., low..high * ! * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> * @see SWITCH */ public class TABLESWITCH extends Select { /** * Empty constructor needed for the Class.newInstance() statement in * Instruction.readInstruction(). Not to be used otherwise. */ ! TABLESWITCH() {} /** * @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 target default branch */ ! public TABLESWITCH(int[] match, InstructionHandle[] targets, ! InstructionHandle target) { ! super(com.sun.org.apache.bcel.internal.Constants.TABLESWITCH, match, targets, target); ! ! length = (short)(13 + match_length * 4); /* Alignment remainder assumed ! * 0 here, until dump time */ ! fixed_length = length; } /** * Dump instruction as byte code to stream out. * @param out Output stream */ ! public void dump(DataOutputStream out) throws IOException { super.dump(out); ! ! int low = (match_length > 0)? match[0] : 0; out.writeInt(low); ! ! int high = (match_length > 0)? match[match_length - 1] : 0; out.writeInt(high); ! ! for(int i=0; i < match_length; i++) // jump offsets ! out.writeInt(indices[i] = getTargetOffset(targets[i])); } /** * Read needed data (e.g. index) from file. */ ! protected void initFromFile(ByteSequence bytes, boolean wide) throws IOException ! { super.initFromFile(bytes, wide); ! ! int low = bytes.readInt(); ! int high = bytes.readInt(); ! ! match_length = high - low + 1; ! fixed_length = (short)(13 + match_length * 4); ! length = (short)(fixed_length + padding); ! ! match = new int[match_length]; ! indices = new int[match_length]; ! targets = new InstructionHandle[match_length]; ! ! for(int i=low; i <= high; i++) ! match[i - low] = i; ! ! for(int i=0; i < match_length; i++) { ! indices[i] = bytes.readInt(); } } /** --- 19,101 ---- * 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 * ! * @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. */ ! TABLESWITCH() { ! } ! /** * @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. * @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. */ ! @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()); } } /**
*** 102,114 **** * 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.visitVariableLengthInstruction(this); ! v.visitStackProducer(this); v.visitBranchInstruction(this); v.visitSelect(this); v.visitTABLESWITCH(this); } } --- 104,117 ---- * 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); } }
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