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/source/util/SourcePositions.java

/*
 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package com.sun.source.util;

import com.sun.source.tree.*;

/**
 * Provides methods to obtain the position of a Tree within a CompilationUnit.
 * A position is defined as a simple character offset from the start of a
 * CompilationUnit where the first character is at offset 0.
 *
 * @author Peter von der Ahé
 * @since 1.6
 */
public interface SourcePositions {

    /**
     * Returns the starting position of tree within file.  If tree is not found within
     * file, or if the starting position is not available,
     * return {@link javax.tools.Diagnostic#NOPOS}.
     * The returned position must be at the start of the yield of this tree, that
     * is for any sub-tree of this tree, the following must hold:
     *
     * <p>
     * {@code tree.getStartPosition() <= subtree.getStartPosition()} or <br>
     * {@code tree.getStartPosition() == NOPOS} or <br>
     * {@code subtree.getStartPosition() == NOPOS}
     * </p>
     *
     * @param file CompilationUnit in which to find tree.
     * @param tree tree for which a position is sought.
     * @return the start position of tree.
     */
     long getStartPosition(CompilationUnitTree file, Tree tree);

    /**
     * Returns the ending position of tree within file.  If tree is not found within
     * file, or if the ending position is not available,
     * return {@link javax.tools.Diagnostic#NOPOS}.
     * The returned position must be at the end of the yield of this tree,
     * that is for any sub-tree of this tree, the following must hold:
     *
     * <p>
     * {@code tree.getEndPosition() >= subtree.getEndPosition()} or <br>
     * {@code tree.getEndPosition() == NOPOS} or <br>
     * {@code subtree.getEndPosition() == NOPOS}
     * </p>
     *
     * In addition, the following must hold:
     *
     * <p>
     * {@code tree.getStartPosition() <= tree.getEndPosition()}  or <br>
     * {@code tree.getStartPosition() == NOPOS} or <br>
     * {@code tree.getEndPosition() == NOPOS}
     * </p>
     *
     * @param file CompilationUnit in which to find tree.
     * @param tree tree for which a position is sought.
     * @return the end position of tree.
     */
     long getEndPosition(CompilationUnitTree file, Tree tree);

}

⏎ com/sun/source/util/SourcePositions.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

⇑ Download and Use JDK 11

⇑⇑ FAQ for JDK (Java Development Kit)