JDK 11 jdk.compiler.jmod is the JMOD file for JDK 11 Compiler tool, which can be invoked by the "javac" command.

JDK 11 Compiler tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.compiler.jmod.

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

JDK 11 Compiler source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.compiler.

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

⏎ com/sun/tools/javac/tree/DocPretty.java

/*
 * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.tools.javac.tree;

import java.io.IOException;
import java.io.Writer;
import java.util.List;

import com.sun.source.doctree.*;
import com.sun.source.doctree.AttributeTree.ValueKind;
import com.sun.tools.javac.util.Convert;
import com.sun.tools.javac.util.DefinedBy;
import com.sun.tools.javac.util.DefinedBy.Api;

/**
 * Prints out a doc comment tree.
 *
 *  <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>
 */
public class DocPretty implements DocTreeVisitor<Void,Void> {

    /**
     * The output stream on which trees are printed.
     */
    final Writer out;

    /**
     * The left margin.
     */
    int lmargin = 0;

    public DocPretty(Writer out) {
        this.out = out;
    }

    /** Visitor method: print expression tree.
     */
    public void print(DocTree tree) throws IOException {
        try {
            if (tree == null)
                print("/*missing*/");
            else {
                tree.accept(this, null);
            }
        } catch (UncheckedIOException ex) {
            throw new IOException(ex.getMessage(), ex);
        }
    }

    /**
     * Print string, replacing all non-ascii character with unicode escapes.
     */
    protected void print(Object s) throws IOException {
        out.write(Convert.escapeUnicode(s.toString()));
    }

    /**
     * Print list.
     */
    public void print(List<? extends DocTree> list) throws IOException {
        for (DocTree t: list) {
            print(t);
        }
    }

    /**
     * Print list., with separators
     */
    protected void print(List<? extends DocTree> list, String sep) throws IOException {
        if (list.isEmpty())
            return;
        boolean first = true;
        for (DocTree t: list) {
            if (!first)
                print(sep);
            print(t);
            first = false;
        }
    }

    /** Print new line.
     */
    protected void println() throws IOException {
        out.write(lineSep);
    }

    protected void printTagName(DocTree node) throws IOException {
        out.write("@");
        out.write(node.getKind().tagName);
    }

    final String lineSep = System.getProperty("line.separator");

    /**************************************************************************
     * Traversal methods
     *************************************************************************/

    /** Exception to propagate IOException through visitXXX methods */
    private static class UncheckedIOException extends Error {
        static final long serialVersionUID = -4032692679158424751L;
        UncheckedIOException(IOException e) {
            super(e.getMessage(), e);
        }
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitAttribute(AttributeTree node, Void p) {
        try {
            print(node.getName());
            String quote;
            switch (node.getValueKind()) {
                case EMPTY:
                    quote = null;
                    break;
                case UNQUOTED:
                    quote = "";
                    break;
                case SINGLE:
                    quote = "'";
                    break;
                case DOUBLE:
                    quote = "\"";
                    break;
                default:
                    throw new AssertionError();
            }
            if (quote != null) {
                print("=" + quote);
                print(node.getValue());
                print(quote);
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitAuthor(AuthorTree node, Void p) {
        try {
            printTagName(node);
            print(" ");
            print(node.getName());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitComment(CommentTree node, Void p) {
        try {
            print(node.getBody());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitDeprecated(DeprecatedTree node, Void p) {
        try {
            printTagName(node);
            if (!node.getBody().isEmpty()) {
                print(" ");
                print(node.getBody());
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitDocComment(DocCommentTree node, Void p) {
        try {
            List<? extends DocTree> b = node.getFullBody();
            List<? extends DocTree> t = node.getBlockTags();
            print(b);
            if (!b.isEmpty() && !t.isEmpty())
                print("\n");
            print(t, "\n");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitDocRoot(DocRootTree node, Void p) {
        try {
            print("{");
            printTagName(node);
            print("}");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitDocType(DocTypeTree node, Void p) {
        try {
            print(node.getText());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitEndElement(EndElementTree node, Void p) {
        try {
            print("</");
            print(node.getName());
            print(">");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitEntity(EntityTree node, Void p) {
        try {
            print("&");
            print(node.getName());
            print(";");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitErroneous(ErroneousTree node, Void p) {
        try {
            print(node.getBody());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitHidden(HiddenTree node, Void p) {
        try {
            printTagName(node);
            if (!node.getBody().isEmpty()) {
                print(" ");
                print(node.getBody());
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitIdentifier(IdentifierTree node, Void p) {
        try {
            print(node.getName());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitIndex(IndexTree node, Void p) {
        try {
            print("{");
            printTagName(node);
            print(" ");
            print(node.getSearchTerm());
            if (!node.getDescription().isEmpty()) {
                print(" ");
                print(node.getDescription());
            }
            print("}");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitInheritDoc(InheritDocTree node, Void p) {
        try {
            print("{");
            printTagName(node);
            print("}");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitLink(LinkTree node, Void p) {
        try {
            print("{");
            printTagName(node);
            print(" ");
            print(node.getReference());
            if (!node.getLabel().isEmpty()) {
                print(" ");
                print(node.getLabel());
            }
            print("}");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitLiteral(LiteralTree node, Void p) {
        try {
            print("{");
            printTagName(node);
            String body = node.getBody().getBody();
            if (!body.isEmpty() && !Character.isWhitespace(body.charAt(0))) {
                print(" ");
            }
            print(node.getBody());
            print("}");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitParam(ParamTree node, Void p) {
        try {
            printTagName(node);
            print(" ");
            if (node.isTypeParameter()) print("<");
            print(node.getName());
            if (node.isTypeParameter()) print(">");
            if (!node.getDescription().isEmpty()) {
                print(" ");
                print(node.getDescription());
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitProvides(ProvidesTree node, Void p) {
        try {
            printTagName(node);
            print(" ");
            print(node.getServiceType());
            if (!node.getDescription().isEmpty()) {
                print(" ");
                print(node.getDescription());
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitReference(ReferenceTree node, Void p) {
        try {
            print(node.getSignature());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitReturn(ReturnTree node, Void p) {
        try {
            printTagName(node);
            print(" ");
            print(node.getDescription());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitSee(SeeTree node, Void p) {
        try {
            printTagName(node);
            boolean first = true;
            boolean needSep = true;
            for (DocTree t: node.getReference()) {
                if (needSep) print(" ");
                needSep = (first && (t instanceof ReferenceTree));
                first = false;
                print(t);
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitSerial(SerialTree node, Void p) {
        try {
            printTagName(node);
            if (!node.getDescription().isEmpty()) {
                print(" ");
                print(node.getDescription());
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitSerialData(SerialDataTree node, Void p) {
        try {
            printTagName(node);
            if (!node.getDescription().isEmpty()) {
                print(" ");
                print(node.getDescription());
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitSerialField(SerialFieldTree node, Void p) {
        try {
            printTagName(node);
            print(" ");
            print(node.getName());
            print(" ");
            print(node.getType());
            if (!node.getDescription().isEmpty()) {
                print(" ");
                print(node.getDescription());
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitSince(SinceTree node, Void p) {
        try {
            printTagName(node);
            print(" ");
            print(node.getBody());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitStartElement(StartElementTree node, Void p) {
        try {
            print("<");
            print(node.getName());
            List<? extends DocTree> attrs = node.getAttributes();
            if (!attrs.isEmpty()) {
                print(" ");
                print(attrs);
                DocTree last = node.getAttributes().get(attrs.size() - 1);
                if (node.isSelfClosing() && last instanceof AttributeTree
                        && ((AttributeTree) last).getValueKind() == ValueKind.UNQUOTED)
                    print(" ");
            }
            if (node.isSelfClosing())
                print("/");
            print(">");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitSummary(SummaryTree node, Void p) {
        try {
            print("{");
            printTagName(node);
            if (!node.getSummary().isEmpty()) {
                print(" ");
                print(node.getSummary());
            }
            print("}");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitText(TextTree node, Void p) {
        try {
            print(node.getBody());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitThrows(ThrowsTree node, Void p) {
        try {
            printTagName(node);
            print(" ");
            print(node.getExceptionName());
            if (!node.getDescription().isEmpty()) {
                print(" ");
                print(node.getDescription());
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitUnknownBlockTag(UnknownBlockTagTree node, Void p) {
        try {
            print("@");
            print(node.getTagName());
            print(" ");
            print(node.getContent());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitUnknownInlineTag(UnknownInlineTagTree node, Void p) {
        try {
            print("{");
            print("@");
            print(node.getTagName());
            print(" ");
            print(node.getContent());
            print("}");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitUses(UsesTree node, Void p) {
        try {
            printTagName(node);
            print(" ");
            print(node.getServiceType());
            if (!node.getDescription().isEmpty()) {
                print(" ");
                print(node.getDescription());
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitValue(ValueTree node, Void p) {
        try {
            print("{");
            printTagName(node);
            if (node.getReference() != null) {
                print(" ");
                print(node.getReference());
            }
            print("}");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitVersion(VersionTree node, Void p) {
        try {
            printTagName(node);
            print(" ");
            print(node.getBody());
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }

    @Override @DefinedBy(Api.COMPILER_TREE)
    public Void visitOther(DocTree node, Void p) {
        try {
            print("(UNKNOWN: " + node + ")");
            println();
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        return null;
    }
}

⏎ com/sun/tools/javac/tree/DocPretty.java

Or download all of them as a single archive file:

File name: jdk.compiler-11.0.1-src.zip
File size: 1347269 bytes
Release date: 2018-11-04
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