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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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