--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/source/util/DocTrees.java	Sun Aug 17 15:52:32 2014 +0100
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.source.util;
+
+import javax.annotation.processing.ProcessingEnvironment;
+import javax.lang.model.element.Element;
+import javax.tools.JavaCompiler.CompilationTask;
+
+import com.sun.source.doctree.DocCommentTree;
+import javax.tools.Diagnostic;
+
+/**
+ * Provides access to syntax trees for doc comments.
+ *
+ * @since 1.8
+ */
+@jdk.Exported
+public abstract class DocTrees extends Trees {
+    /**
+     * Returns a DocTrees object for a given CompilationTask.
+     * @param task the compilation task for which to get the Trees object
+     * @return the DocTrees object
+     * @throws IllegalArgumentException if the task does not support the Trees API.
+     */
+    public static DocTrees instance(CompilationTask task) {
+        return (DocTrees) Trees.instance(task);
+    }
+
+    /**
+     * Returns a DocTrees object for a given ProcessingEnvironment.
+     * @param env the processing environment for which to get the Trees object
+     * @return the DocTrees object
+     * @throws IllegalArgumentException if the env does not support the Trees API.
+     */
+    public static DocTrees instance(ProcessingEnvironment env) {
+        if (!env.getClass().getName().equals("com.sun.tools.javac.processing.JavacProcessingEnvironment"))
+            throw new IllegalArgumentException();
+        return (DocTrees) getJavacTrees(ProcessingEnvironment.class, env);
+    }
+
+    /**
+     * Returns the doc comment tree, if any, for the Tree node identified by a given TreePath.
+     * Returns {@code null} if no doc comment was found.
+     * @param path the path for the tree node
+     * @return the doc comment tree
+     */
+    public abstract DocCommentTree getDocCommentTree(TreePath path);
+
+    /**
+     * Returns the language model element referred to by the leaf node of the given
+     * {@link DocTreePath}, or {@code null} if unknown.
+     * @param path the path for the tree node
+     * @return the element
+     */
+    public abstract Element getElement(DocTreePath path);
+
+    /**
+     * Returns a utility object for accessing the source positions
+     * of documentation tree nodes.
+     * @return the utility object
+     */
+    public abstract DocSourcePositions getSourcePositions();
+
+    /**
+     * 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 c    the doc comment 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.doctree.DocTree t,
+            com.sun.source.doctree.DocCommentTree c,
+            com.sun.source.tree.CompilationUnitTree root);
+}