JDK 11 jdk.javadoc.jmod is the JMOD file for JDK 11 Java Document tool, which can be invoked by the "javadoc" command.

JDK 11 Java Document tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.javadoc.jmod.

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

JDK 11 Java Document tool source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.javadoc.

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

⏎ jdk/javadoc/internal/doclets/toolkit/CommentUtils.java

/*
 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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/**
 *  A utility class.
 *
 *  <p><b>This is NOT part of any supported API.
 *  If you write code that depends on this, you do so at your own risk.
 *  This code and its internal interfaces are subject to change or
 *  deletion without notice.</b>
 */

package jdk.javadoc.internal.doclets.toolkit;

import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.Name;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.VariableElement;
import javax.lang.model.util.Elements;
import javax.tools.FileObject;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;

import com.sun.source.doctree.DocCommentTree;
import com.sun.source.doctree.DocTree;
import com.sun.source.doctree.IdentifierTree;
import com.sun.source.doctree.ReferenceTree;
import com.sun.source.doctree.TextTree;
import com.sun.source.util.DocTreeFactory;
import com.sun.source.util.DocTreePath;
import com.sun.source.util.DocTrees;
import com.sun.source.util.TreePath;
import com.sun.tools.javac.util.DefinedBy;
import com.sun.tools.javac.util.DefinedBy.Api;
import jdk.javadoc.internal.doclets.toolkit.util.Utils;

public class CommentUtils {

    final BaseConfiguration configuration;
    final DocTreeFactory treeFactory;
    final HashMap<Element, DocCommentDuo> dcTreesMap = new HashMap<>();
    final DocTrees trees;
    final Elements elementUtils;

    protected CommentUtils(BaseConfiguration configuration) {
        this.configuration = configuration;
        trees = configuration.docEnv.getDocTrees();
        treeFactory = trees.getDocTreeFactory();
        elementUtils = configuration.docEnv.getElementUtils();
    }

    public List<? extends DocTree> makePropertyDescriptionTree(List<? extends DocTree> content) {
        List<DocTree> out = new ArrayList<>();
        Name name = elementUtils.getName("propertyDescription");
        out.add(treeFactory.newUnknownBlockTagTree(name, content));
        return out;
    }

    public List<? extends DocTree> makePropertyDescriptionTree(String content) {
        List<DocTree> inlist = new ArrayList<>();
        inlist.add(treeFactory.newCommentTree(content));
        List<DocTree> out = new ArrayList<>();
        Name name = elementUtils.getName("propertyDescription");
        out.add(treeFactory.newUnknownBlockTagTree(name, inlist));
        return out;
    }

    public List<? extends DocTree> makeFirstSentenceTree(String content) {
        List<DocTree> out = new ArrayList<>();
        out.add(treeFactory.newTextTree(content));
        return out;
    }

    public DocTree makeSeeTree(String sig, Element e) {
        List<DocTree> list = new ArrayList<>();
        list.add(treeFactory.newReferenceTree(sig));
        return treeFactory.newSeeTree(list);
    }

    public DocTree makeTextTree(String content) {
        TextTree text = treeFactory.newTextTree(content);
        return (DocTree) text;
    }

    public void setEnumValuesTree(BaseConfiguration config, Element e) {
        Utils utils = config.utils;
        String klassName = utils.getSimpleName(utils.getEnclosingTypeElement(e));

        List<DocTree> fullBody = new ArrayList<>();
        fullBody.add(treeFactory.newTextTree(config.getText("doclet.enum_values_doc.fullbody", klassName)));

        List<DocTree> descriptions = new ArrayList<>();
        descriptions.add(treeFactory.newTextTree(config.getText("doclet.enum_values_doc.return")));

        List<DocTree> tags = new ArrayList<>();
        tags.add(treeFactory.newReturnTree(descriptions));
        DocCommentTree docTree = treeFactory.newDocCommentTree(fullBody, tags);
        dcTreesMap.put(e, new DocCommentDuo(null, docTree));
    }

    public void setEnumValueOfTree(BaseConfiguration config, Element e) {

        List<DocTree> fullBody = new ArrayList<>();
        fullBody.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.fullbody")));

        List<DocTree> tags = new ArrayList<>();

        List<DocTree> paramDescs = new ArrayList<>();
        paramDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.param_name")));
        ExecutableElement ee = (ExecutableElement) e;
        java.util.List<? extends VariableElement> parameters = ee.getParameters();
        VariableElement param = parameters.get(0);
        IdentifierTree id = treeFactory.newIdentifierTree(elementUtils.getName(param.getSimpleName().toString()));
        tags.add(treeFactory.newParamTree(false, id, paramDescs));

        List<DocTree> returnDescs = new ArrayList<>();
        returnDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.return")));
        tags.add(treeFactory.newReturnTree(returnDescs));

        List<DocTree> throwsDescs = new ArrayList<>();
        throwsDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.throws_ila")));

        ReferenceTree ref = treeFactory.newReferenceTree("java.lang.IllegalArgumentException");
        tags.add(treeFactory.newThrowsTree(ref, throwsDescs));

        throwsDescs = new ArrayList<>();
        throwsDescs.add(treeFactory.newTextTree(config.getText("doclet.enum_valueof_doc.throws_npe")));

        ref = treeFactory.newReferenceTree("java.lang.NullPointerException");
        tags.add(treeFactory.newThrowsTree(ref, throwsDescs));

        DocCommentTree docTree = treeFactory.newDocCommentTree(fullBody, tags);

        dcTreesMap.put(e, new DocCommentDuo(null, docTree));
    }

    /*
     * Returns the TreePath/DocCommentTree duo for synthesized element.
     */
    public DocCommentDuo getSyntheticCommentDuo(Element e) {
        return dcTreesMap.get(e);
    }

    /*
     * Returns the TreePath/DocCommentTree duo for html sources.
     */
    public DocCommentDuo getHtmlCommentDuo(Element e) {
        FileObject fo = null;
        PackageElement pe = null;
        switch (e.getKind()) {
            case OTHER:
                if (e instanceof DocletElement) {
                    DocletElement de = (DocletElement)e;
                    fo = de.getFileObject();
                    pe = de.getPackageElement();
                }
                break;
            case PACKAGE:
                fo = configuration.workArounds.getJavaFileObject((PackageElement)e);
                pe = (PackageElement)e;
                break;
            default:
                return null;
        }
        if (fo == null) {
            return null;
        }

        DocCommentTree dcTree = trees.getDocCommentTree(fo);
        if (dcTree == null) {
            return null;
        }
        DocTreePath treePath = trees.getDocTreePath(fo, pe);
        return new DocCommentDuo(treePath.getTreePath(), dcTree);
    }

    public DocCommentTree parse(URI uri, String text) {
        return trees.getDocCommentTree(new SimpleJavaFileObject(
                uri, JavaFileObject.Kind.SOURCE) {
            @Override @DefinedBy(Api.COMPILER)
            public CharSequence getCharContent(boolean ignoreEncoding) {
                return text;
            }
        });
    }

    public void setDocCommentTree(Element element, List<? extends DocTree> fullBody,
                                  List<? extends DocTree> blockTags, Utils utils) {
        DocCommentTree docTree = treeFactory.newDocCommentTree(fullBody, blockTags);
        dcTreesMap.put(element, new DocCommentDuo(null, docTree));
        // A method having null comment (no comment) that might need to be replaced
        // with a synthetic comment, remove such a comment from the cache.
        utils.removeCommentHelper(element);
    }

    /**
     * A simplistic container to transport a TreePath, DocCommentTree pair.
     * Here is why we need this:
     * a. not desirable to add javac's pair.
     * b. DocTreePath is not a viable  option either, as a null TreePath is required
     * to represent synthetic comments for Enum.values, valuesOf, javafx properties.
     */
    public static class DocCommentDuo {
        public final TreePath treePath;
        public final DocCommentTree dcTree;

        public DocCommentDuo(TreePath treePath, DocCommentTree dcTree) {
            this.treePath = treePath;
            this.dcTree = dcTree;
        }
    }
}

⏎ jdk/javadoc/internal/doclets/toolkit/CommentUtils.java

Or download all of them as a single archive file:

File name: jdk.javadoc-11.0.1-src.zip
File size: 680806 bytes
Release date: 2018-11-04
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