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/Trees.java

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

package com.sun.source.util;

import java.lang.reflect.Method;

import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.AnnotationValue;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.ErrorType;
import javax.lang.model.type.TypeMirror;
import javax.tools.Diagnostic;
import javax.tools.JavaCompiler.CompilationTask;

import com.sun.source.tree.CatchTree;
import com.sun.source.tree.ClassTree;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.MethodTree;
import com.sun.source.tree.Scope;
import com.sun.source.tree.Tree;

/**
 * Bridges JSR 199, JSR 269, and the Tree API.
 *
 * @author Peter von der Ahé
 */
public abstract class Trees {
    /**
     * Returns a Trees object for a given CompilationTask.
     * @param task the compilation task for which to get the Trees object
     * @throws IllegalArgumentException if the task does not support the Trees API.
     * @return the Trees object
     */
    public static Trees instance(CompilationTask task) {
        String taskClassName = task.getClass().getName();
        if (!taskClassName.equals("com.sun.tools.javac.api.JavacTaskImpl")
                && !taskClassName.equals("com.sun.tools.javac.api.BasicJavacTask"))
            throw new IllegalArgumentException();
        return getJavacTrees(CompilationTask.class, task);
    }

    /**
     * Returns a Trees object for a given ProcessingEnvironment.
     * @param env the processing environment for which to get the Trees object
     * @throws IllegalArgumentException if the env does not support the Trees API.
     * @return the Trees object
     */
    public static Trees instance(ProcessingEnvironment env) {
        if (!env.getClass().getName().equals("com.sun.tools.javac.processing.JavacProcessingEnvironment"))
            throw new IllegalArgumentException();
        return getJavacTrees(ProcessingEnvironment.class, env);
    }

    static Trees getJavacTrees(Class<?> argType, Object arg) {
        try {
            ClassLoader cl = arg.getClass().getClassLoader();
            Class<?> c = Class.forName("com.sun.tools.javac.api.JavacTrees", false, cl);
            argType = Class.forName(argType.getName(), false, cl);
            Method m = c.getMethod("instance", argType);
            return (Trees) m.invoke(null, arg);
        } catch (ReflectiveOperationException e) {
            throw new AssertionError(e);
        }
    }

    /**
     * Returns a utility object for obtaining source positions.
     * @return the utility object for obtaining source positions
     */
    public abstract SourcePositions getSourcePositions();

    /**
     * Returns the Tree node for a given Element.
     * Returns {@code null} if the node can not be found.
     * @param element the element
     * @return the tree node
     */
    public abstract Tree getTree(Element element);

    /**
     * Returns the ClassTree node for a given TypeElement.
     * Returns {@code null} if the node can not be found.
     * @param element the element
     * @return the class tree node
     */
    public abstract ClassTree getTree(TypeElement element);

    /**
     * Returns the MethodTree node for a given ExecutableElement.
     * Returns {@code null} if the node can not be found.
     * @param method the executable element
     * @return the method tree node
     */
    public abstract MethodTree getTree(ExecutableElement method);

    /**
     * Returns the Tree node for an AnnotationMirror on a given Element.
     * Returns {@code null} if the node can not be found.
     * @param e the element
     * @param a the annotation mirror
     * @return the tree node
     */
    public abstract Tree getTree(Element e, AnnotationMirror a);

    /**
     * Returns the Tree node for an AnnotationValue for an AnnotationMirror on a given Element.
     * Returns {@code null} if the node can not be found.
     * @param e the element
     * @param a the annotation mirror
     * @param v the annotation value
     * @return the tree node
     */
    public abstract Tree getTree(Element e, AnnotationMirror a, AnnotationValue v);

    /**
     * Returns the path to tree node within the specified compilation unit.
     * @param unit the compilation unit
     * @param node the tree node
     * @return the tree path
     */
    public abstract TreePath getPath(CompilationUnitTree unit, Tree node);

    /**
     * Returns the TreePath node for a given Element.
     * Returns {@code null} if the node can not be found.
     * @param e the element
     * @return the tree path
     */
    public abstract TreePath getPath(Element e);

    /**
     * Returns the TreePath node for an AnnotationMirror on a given Element.
     * Returns {@code null} if the node can not be found.
     * @param e the element
     * @param a the annotation mirror
     * @return the tree path
     */
    public abstract TreePath getPath(Element e, AnnotationMirror a);

    /**
     * Returns the TreePath node for an AnnotationValue for an AnnotationMirror on a given Element.
     * Returns {@code null} if the node can not be found.
     * @param e the element
     * @param a the annotation mirror
     * @param v the annotation value
     * @return the tree path
     */
    public abstract TreePath getPath(Element e, AnnotationMirror a, AnnotationValue v);

    /**
     * Returns the Element for the Tree node identified by a given TreePath.
     * Returns {@code null} if the element is not available.
     * @param path the tree path
     * @return the element
     * @throws IllegalArgumentException is the TreePath does not identify
     * a Tree node that might have an associated Element.
     */
    public abstract Element getElement(TreePath path);

    /**
     * Returns the TypeMirror for the Tree node identified by a given TreePath.
     * Returns {@code null} if the TypeMirror is not available.
     * @param path the tree path
     * @return the type mirror
     * @throws IllegalArgumentException is the TreePath does not identify
     * a Tree node that might have an associated TypeMirror.
     */
    public abstract TypeMirror getTypeMirror(TreePath path);

    /**
     * Returns the Scope for the Tree node identified by a given TreePath.
     * Returns {@code null} if the Scope is not available.
     * @param path the tree path
     * @return the scope
     */
    public abstract Scope getScope(TreePath path);

    /**
     * Returns the doc comment, if any, for the Tree node identified by a given TreePath.
     * Returns {@code null} if no doc comment was found.
     * @see DocTrees#getDocCommentTree(TreePath)
     * @param path the tree path
     * @return the doc comment
     */
    public abstract String getDocComment(TreePath path);

    /**
     * Checks whether a given type is accessible in a given scope.
     * @param scope the scope to be checked
     * @param type the type to be checked
     * @return true if {@code type} is accessible
     */
    public abstract boolean isAccessible(Scope scope, TypeElement type);

    /**
     * Checks whether the given element is accessible as a member of the given
     * type in a given scope.
     * @param scope the scope to be checked
     * @param member the member to be checked
     * @param type the type for which to check if the member is accessible
     * @return true if {@code member} is accessible in {@code type}
     */
    public abstract boolean isAccessible(Scope scope, Element member, DeclaredType type);

    /**
      * Returns the original type from the ErrorType object.
      * @param errorType The errorType for which we want to get the original type.
      * @return javax.lang.model.type.TypeMirror corresponding to the original type, replaced by the ErrorType.
      */
    public abstract TypeMirror getOriginalType(ErrorType errorType);

    /**
     * Prints a message of the specified kind at the location of the
     * tree within the provided compilation unit
     *
     * @param kind the kind of message
     * @param msg  the message, or an empty string if none
     * @param t    the tree to use as a position hint
     * @param root the compilation unit that contains tree
     */
    public abstract void printMessage(Diagnostic.Kind kind, CharSequence msg,
            com.sun.source.tree.Tree t,
            com.sun.source.tree.CompilationUnitTree root);

    /**
     * Returns the lub of an exception parameter declared in a catch clause.
     * @param tree the tree for the catch clause
     * @return The lub of the exception parameter
     */
    public abstract TypeMirror getLub(CatchTree tree);
}

⏎ com/sun/source/util/Trees.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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