--- /dev/null	Fri Oct 27 09:25:25 2017
+++ new/src/java.base/share/classes/jdk/internal/org/objectweb/asm/ModuleVisitor.java	Fri Oct 27 09:25:24 2017
@@ -0,0 +1,219 @@
+/*
+ * 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.
+ */
+
+/*
+ * This file is available under and governed by the GNU General Public
+ * License version 2 only, as published by the Free Software Foundation.
+ * However, the following notice accompanied the original version of this
+ * file:
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package jdk.internal.org.objectweb.asm;
+
+/**
+ * A visitor to visit a Java module. The methods of this class must be called in
+ * the following order: <tt>visitMainClass</tt> | ( <tt>visitPackage</tt> |
+ * <tt>visitRequire</tt> | <tt>visitExport</tt> | <tt>visitOpen</tt> |
+ * <tt>visitUse</tt> | <tt>visitProvide</tt> )* <tt>visitEnd</tt>.
+ *
+ * The methods {@link #visitRequire(String, int, String)}, {@link #visitExport(String, int, String...)},
+ * {@link #visitOpen(String, int, String...)} and {@link #visitPackage(String)}
+ * take as parameter a package name or a module name. Unlike the other names which are internal names
+ * (names separated by slash), module and package names are qualified names (names separated by dot).
+ *
+ * @author Remi Forax
+ */
+public abstract class ModuleVisitor {
+    /**
+     * The ASM API version implemented by this visitor. The value of this field
+     * must be {@link Opcodes#ASM6}.
+     */
+    protected final int api;
+
+    /**
+     * The module visitor to which this visitor must delegate method calls. May
+     * be null.
+     */
+    protected ModuleVisitor mv;
+
+    /**
+     * Constructs a new {@link ModuleVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be {@link Opcodes#ASM6}.
+     */
+    public ModuleVisitor(final int api) {
+        this(api, null);
+    }
+
+    /**
+     * Constructs a new {@link ModuleVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be {@link Opcodes#ASM6}.
+     * @param mv
+     *            the module visitor to which this visitor must delegate method
+     *            calls. May be null.
+     */
+    public ModuleVisitor(final int api, final ModuleVisitor mv) {
+        if (api != Opcodes.ASM6) {
+            throw new IllegalArgumentException();
+        }
+        this.api = api;
+        this.mv = mv;
+    }
+
+    /**
+     * Visit the main class of the current module.
+     *
+     * @param mainClass the internal name of the main class of the current module.
+     */
+    public void visitMainClass(String mainClass) {
+        if (mv != null) {
+            mv.visitMainClass(mainClass);
+        }
+    }
+
+    /**
+     * Visit a package of the current module.
+     *
+     * @param packaze the qualified name of a package.
+     */
+    public void visitPackage(String packaze) {
+        if (mv != null) {
+            mv.visitPackage(packaze);
+        }
+    }
+
+    /**
+     * Visits a dependence of the current module.
+     *
+     * @param module the qualified name of the dependence.
+     * @param access the access flag of the dependence among
+     *        ACC_TRANSITIVE, ACC_STATIC_PHASE, ACC_SYNTHETIC
+     *        and ACC_MANDATED.
+     * @param version the module version at compile time or null.
+     */
+    public void visitRequire(String module, int access, String version) {
+        if (mv != null) {
+            mv.visitRequire(module, access, version);
+        }
+    }
+
+    /**
+     * Visit an exported package of the current module.
+     *
+     * @param packaze the qualified name of the exported package.
+     * @param access the access flag of the exported package,
+     *        valid values are among {@code ACC_SYNTHETIC} and
+     *        {@code ACC_MANDATED}.
+     * @param modules the qualified names of the modules that can access to
+     *        the public classes of the exported package or
+     *        <tt>null</tt>.
+     */
+    public void visitExport(String packaze, int access, String... modules) {
+        if (mv != null) {
+            mv.visitExport(packaze, access, modules);
+        }
+    }
+
+    /**
+     * Visit an open package of the current module.
+     *
+     * @param packaze the qualified name of the opened package.
+     * @param access the access flag of the opened package,
+     *        valid values are among {@code ACC_SYNTHETIC} and
+     *        {@code ACC_MANDATED}.
+     * @param modules the qualified names of the modules that can use deep
+     *        reflection to the classes of the open package or
+     *        <tt>null</tt>.
+     */
+    public void visitOpen(String packaze, int access, String... modules) {
+        if (mv != null) {
+            mv.visitOpen(packaze, access, modules);
+        }
+    }
+
+    /**
+     * Visit a service used by the current module.
+     * The name must be the internal name of an interface or a class.
+     *
+     * @param service the internal name of the service.
+     */
+    public void visitUse(String service) {
+        if (mv != null) {
+            mv.visitUse(service);
+        }
+    }
+
+    /**
+     * Visit an implementation of a service.
+     *
+     * @param service the internal name of the service
+     * @param providers the internal names of the implementations
+     *        of the service (there is at least one provider).
+     */
+    public void visitProvide(String service, String... providers) {
+        if (mv != null) {
+            mv.visitProvide(service, providers);
+        }
+    }
+
+    /**
+     * Visits the end of the module. This method, which is the last one to be
+     * called, is used to inform the visitor that everything have been visited.
+     */
+    public void visitEnd() {
+        if (mv != null) {
+            mv.visitEnd();
+        }
+    }
+}