JDK 11 jdk.scripting.nashorn.jmod is the JMOD file for JDK 11 Scripting Nashorn module.

JDK 11 Scripting Nashorn module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.scripting.nashorn.jmod.

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

JDK 11 Scripting Nashorn module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.scripting.nashorn.

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

⏎ jdk/nashorn/internal/runtime/ConsString.java

/*
 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package jdk.nashorn.internal.runtime;

import static jdk.nashorn.internal.runtime.JSType.isString;

import java.util.ArrayDeque;
import java.util.Deque;

/**
 * This class represents a string composed of two parts which may themselves be
 * instances of <code>ConsString</code> or {@link String}. Copying of characters to
 * a proper string is delayed until it becomes necessary.
 */
public final class ConsString implements CharSequence {

    private CharSequence left, right;
    private final int length;
    private volatile int state = STATE_NEW;

    private final static int STATE_NEW       =  0;
    private final static int STATE_THRESHOLD =  2;
    private final static int STATE_FLATTENED = -1;

    /**
     * Constructor
     *
     * Takes two {@link CharSequence} instances that, concatenated, forms this {@code ConsString}
     *
     * @param left  left char sequence
     * @param right right char sequence
     */
    public ConsString(final CharSequence left, final CharSequence right) {
        assert isString(left);
        assert isString(right);
        this.left = left;
        this.right = right;
        length = left.length() + right.length();
        if (length < 0) {
            throw new IllegalArgumentException("too big concatenated String");
        }
    }

    @Override
    public String toString() {
        return (String) flattened(true);
    }

    @Override
    public int length() {
        return length;
    }

    @Override
    public char charAt(final int index) {
        return flattened(true).charAt(index);
    }

    @Override
    public CharSequence subSequence(final int start, final int end) {
        return flattened(true).subSequence(start, end);
    }

    /**
     * Returns the components of this ConsString as a {@code CharSequence} array with two elements.
     * The elements will be either {@code Strings} or other {@code ConsStrings}.
     * @return CharSequence array of length 2
     */
    public synchronized CharSequence[] getComponents() {
        return new CharSequence[] { left, right };
    }

    private CharSequence flattened(final boolean flattenNested) {
        if (state != STATE_FLATTENED) {
            flatten(flattenNested);
        }
        return left;
    }

    private synchronized void flatten(final boolean flattenNested) {
        // We use iterative traversal as recursion may exceed the stack size limit.
        final char[] chars = new char[length];
        int pos = length;
        // Strings are most often composed by appending to the end, which causes ConsStrings
        // to be very unbalanced, with mostly single string elements on the right and a long
        // linear list on the left. Traversing from right to left helps to keep the stack small
        // in this scenario.
        final Deque<CharSequence> stack = new ArrayDeque<>();
        stack.addFirst(left);
        CharSequence cs = right;

        do {
            if (cs instanceof ConsString) {
                final ConsString cons = (ConsString) cs;
                // Count the times a cons-string is traversed as part of other cons-strings being flattened.
                // If it crosses a threshold we flatten the nested cons-string internally.
                if (cons.state == STATE_FLATTENED || (flattenNested && ++cons.state >= STATE_THRESHOLD)) {
                    cs = cons.flattened(false);
                } else {
                    stack.addFirst(cons.left);
                    cs = cons.right;
                }
            } else {
                final String str = (String) cs;
                pos -= str.length();
                str.getChars(0, str.length(), chars, pos);
                cs = stack.isEmpty() ? null : stack.pollFirst();
            }
        } while (cs != null);

        left = new String(chars);
        right = "";
        state = STATE_FLATTENED;
    }

}

⏎ jdk/nashorn/internal/runtime/ConsString.java

Or download all of them as a single archive file:

File name: jdk.scripting.nashorn-11.0.1-src.zip
File size: 1390965 bytes
Release date: 2018-11-04
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