JDK 11 java.xml.jmod is the JMOD file for JDK 11 XML (eXtensible Markup Language) module.

JDK 11 XML module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.xml.jmod.

JDK 11 XML module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 XML module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.xml.

You can click and view the content of each source code file in the list below.

⏎ com/sun/org/apache/bcel/internal/classfile/LineNumberTable.java

/*
 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
 */
/*
 * 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.classfile;

import com.sun.org.apache.bcel.internal.Const;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
import jdk.xml.internal.SecuritySupport;

/**
 * This class represents a table of line numbers for debugging purposes. This
 * attribute is used by the <em>Code</em> attribute. It contains pairs of PCs
 * and line numbers.
 *
 * @version $Id: LineNumberTable.java 1749603 2016-06-21 20:50:19Z ggregory $
 * @see Code
 * @see LineNumber
 */
public final class LineNumberTable extends Attribute {

    private static final int MAX_LINE_LENGTH = 72;
    private LineNumber[] line_number_table; // Table of line/numbers pairs


    /*
     * Initialize from another object. Note that both objects use the same
     * references (shallow copy). Use copy() for a physical copy.
     */
    public LineNumberTable(final LineNumberTable c) {
        this(c.getNameIndex(), c.getLength(), c.getLineNumberTable(), c.getConstantPool());
    }


    /*
     * @param name_index Index of name
     * @param length Content length in bytes
     * @param line_number_table Table of line/numbers pairs
     * @param constant_pool Array of constants
     */
    public LineNumberTable(final int name_index, final int length, final LineNumber[] line_number_table,
            final ConstantPool constant_pool) {
        super(Const.ATTR_LINE_NUMBER_TABLE, name_index, length, constant_pool);
        this.line_number_table = line_number_table;
    }

    /**
     * Construct object from input stream.
     *
     * @param name_index Index of name
     * @param length Content length in bytes
     * @param input Input stream
     * @param constant_pool Array of constants
     * @throws IOEXception if an I/O Exception occurs in readUnsignedShort
     */
    LineNumberTable(final int name_index, final int length, final DataInput input, final ConstantPool constant_pool)
            throws IOException {
        this(name_index, length, (LineNumber[]) null, constant_pool);
        final int line_number_table_length = input.readUnsignedShort();
        line_number_table = new LineNumber[line_number_table_length];
        for (int i = 0; i < line_number_table_length; i++) {
            line_number_table[i] = new LineNumber(input);
        }
    }

    /**
     * Called by objects that are traversing the nodes of the tree implicitely
     * defined by the contents of a Java class. I.e., the hierarchy of methods,
     * fields, attributes, etc. spawns a tree of objects.
     *
     * @param v Visitor object
     */
    @Override
    public void accept(final Visitor v) {
        v.visitLineNumberTable(this);
    }

    /**
     * Dump line number table attribute to file stream in binary format.
     *
     * @param file Output file stream
     * @throws IOEXception if an I/O Exception occurs in writeShort
     */
    @Override
    public final void dump(final DataOutputStream file) throws IOException {
        super.dump(file);
        file.writeShort(line_number_table.length);
        for (final LineNumber lineNumber : line_number_table) {
            lineNumber.dump(file);
        }
    }

    /**
     * @return Array of (pc offset, line number) pairs.
     */
    public final LineNumber[] getLineNumberTable() {
        return line_number_table;
    }

    /**
     * @param line_number_table the line number entries for this table
     */
    public final void setLineNumberTable(final LineNumber[] line_number_table) {
        this.line_number_table = line_number_table;
    }

    /**
     * @return String representation.
     */
    @Override
    public final String toString() {
        final StringBuilder buf = new StringBuilder();
        final StringBuilder line = new StringBuilder();

        for (int i = 0; i < line_number_table.length; i++) {
            line.append(line_number_table[i].toString());
            if (i < line_number_table.length - 1) {
                line.append(", ");
            }
            if ((line.length() > MAX_LINE_LENGTH) && (i < line_number_table.length - 1)) {
                line.append(SecuritySupport.NEWLINE);
                buf.append(line);
                line.setLength(0);
            }
        }
        buf.append(line);
        return buf.toString();
    }

    /**
     * Map byte code positions to source code lines.
     *
     * @param pos byte code offset
     * @return corresponding line in source code
     */
    public int getSourceLine(final int pos) {
        int l = 0;
        int r = line_number_table.length - 1;
        if (r < 0) {
            return -1;
        }
        int min_index = -1;
        int min = -1;
        /* Do a binary search since the array is ordered.
         */
        do {
            final int i = (l + r) / 2;
            final int j = line_number_table[i].getStartPC();
            if (j == pos) {
                return line_number_table[i].getLineNumber();
            } else if (pos < j) {
                r = i - 1;
            } else {
                l = i + 1;
            }
            /* If exact match can't be found (which is the most common case)
             * return the line number that corresponds to the greatest index less
             * than pos.
             */
            if (j < pos && j > min) {
                min = j;
                min_index = i;
            }
        } while (l <= r);
        /* It's possible that we did not find any valid entry for the bytecode
         * offset we were looking for.
         */
        if (min_index < 0) {
            return -1;
        }
        return line_number_table[min_index].getLineNumber();
    }

    /**
     * @return deep copy of this attribute
     */
    @Override
    public Attribute copy(final ConstantPool _constant_pool) {
        // TODO could use the lower level constructor and thereby allow
        // line_number_table to be made final
        final LineNumberTable c = (LineNumberTable) clone();
        c.line_number_table = new LineNumber[line_number_table.length];
        for (int i = 0; i < line_number_table.length; i++) {
            c.line_number_table[i] = line_number_table[i].copy();
        }
        c.setConstantPool(_constant_pool);
        return c;
    }

    public final int getTableLength() {
        return line_number_table == null ? 0 : line_number_table.length;
    }
}

⏎ com/sun/org/apache/bcel/internal/classfile/LineNumberTable.java

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File name: java.xml-11.0.1-src.zip
File size: 4876106 bytes
Release date: 2018-11-04
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