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/sjavac/comp/SmartFileObject.java

/*
 * Copyright (c) 2012, 2016, 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.sjavac.comp;

import java.io.*;
import java.net.URI;
import java.nio.file.NoSuchFileException;

import javax.lang.model.element.Modifier;
import javax.lang.model.element.NestingKind;
import javax.tools.JavaFileObject;

import com.sun.tools.javac.util.DefinedBy;
import com.sun.tools.javac.util.DefinedBy.Api;

/**
 * The SmartFileObject will return an outputstream that cache the written data
 * and compare the new content with the old content on disk. Only if they differ,
 * will the file be updated.
 *
 *  <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 SmartFileObject implements JavaFileObject {

    JavaFileObject file;

    public SmartFileObject(JavaFileObject r) {
        file = r;
    }

    @Override
    public boolean equals(Object other) {
        return file.equals(other);
    }

    @Override
    public int hashCode() {
        return file.hashCode();
    }

    @DefinedBy(Api.COMPILER)
    public Kind getKind() {
        return file.getKind();
    }

    @DefinedBy(Api.COMPILER)
    public boolean isNameCompatible(String simpleName, Kind kind) {
        return file.isNameCompatible(simpleName, kind);
    }

    @DefinedBy(Api.COMPILER)
    public URI toUri() {
        return file.toUri();
    }

    @DefinedBy(Api.COMPILER)
    public String getName() {
        return file.getName();
    }

    @DefinedBy(Api.COMPILER)
    public InputStream openInputStream() throws IOException {
        return file.openInputStream();
    }

    @DefinedBy(Api.COMPILER)
    public OutputStream openOutputStream() throws IOException {
        return file.openOutputStream();
    }

    @DefinedBy(Api.COMPILER)
    public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
        return file.getCharContent(ignoreEncodingErrors);
    }

    static String lineseparator = System.getProperty("line.separator");

    @DefinedBy(Api.COMPILER)
    public Writer openWriter() throws IOException {
        StringBuilder s = new StringBuilder();
        try (BufferedReader r = new BufferedReader(file.openReader(true))) {
            while (r.ready()) {
                s.append(r.readLine()+lineseparator);
            }
        } catch (FileNotFoundException | NoSuchFileException e) {
            // Perfectly ok.
        }
        return new SmartWriter(file, s.toString(), file.getName());
    }

    @DefinedBy(Api.COMPILER)
    public long getLastModified() {
        return file.getLastModified();
    }

    @DefinedBy(Api.COMPILER)
    public boolean delete() {
        return file.delete();
    }

    @DefinedBy(Api.COMPILER)
    public Modifier getAccessLevel() {
        return file.getAccessLevel();
    }

    @DefinedBy(Api.COMPILER)
    public NestingKind getNestingKind() {
        return file.getNestingKind();
    }

    @DefinedBy(Api.COMPILER)
    public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
        return file.openReader(ignoreEncodingErrors);
    }

}

⏎ com/sun/tools/sjavac/comp/SmartFileObject.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
Download 

⇒ JDK 11 jdk.crypto.cryptoki.jmod - Crypto KI Module

⇐ JDK 11 jdk.charsets.jmod - Charsets Module

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