--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/make/src/classes/build/tools/module/GenModuleInfoSource.java	Thu Mar 17 19:04:16 2016 +0000
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2015, 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 build.tools.module;
+
+import java.io.BufferedWriter;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * A build tool to extend the module-info.java in the source tree
+ * for platform-specific exports, uses, and provides and write
+ * to the specified output file.
+ *
+ * GenModulesList build tool currently generates the modules.list from
+ * the module-info.java from the source tree that will be used for
+ * the make target and dependences.
+ *
+ * The build currently invokes gensrc-$MODULE.gmk after modules.list
+ * is generated.  Hence, platform-specific requires is not supported.
+ */
+public class GenModuleInfoSource {
+    private final static String USAGE =
+        "Usage: GenModuleInfoSource [option] -o <output file> <module-info-java>\n" +
+        "Options are:\n" +
+        "  -exports  <package-name>\n" +
+        "  -exports  <package-name>/<module-name>\n" +
+        "  -uses     <service>\n" +
+        "  -provides <service>/<provider-impl-classname>\n";
+
+    public static void main(String... args) throws Exception {
+        Path outfile = null;
+        Path moduleInfoJava = null;
+        Map<String, Set<String>> options = new HashMap<>();
+
+        // validate input arguments
+        for (int i = 0; i < args.length; i++){
+            String option = args[i];
+            if (option.startsWith("-")) {
+                String arg = args[++i];
+                if (option.equals("-exports") ||
+                        option.equals("-uses") ||
+                        option.equals("-provides")) {
+                    options.computeIfAbsent(option, _k -> new HashSet<>()).add(arg);
+                } else if (option.equals("-o")) {
+                    outfile = Paths.get(arg);
+                } else {
+                    throw new IllegalArgumentException("invalid option: " + option);
+                }
+            } else if (moduleInfoJava != null) {
+                throw new IllegalArgumentException("more than one module-info.java");
+            } else {
+                moduleInfoJava = Paths.get(option);
+                if (Files.notExists(moduleInfoJava)) {
+                    throw new IllegalArgumentException(option + " not exist");
+                }
+            }
+        }
+
+        if (moduleInfoJava == null || outfile == null) {
+            System.err.println(USAGE);
+            System.exit(-1);
+        }
+        // read module-info.java
+        Module.Builder builder = ModuleInfoReader.builder(moduleInfoJava);
+        augment(builder, options);
+
+        // generate new module-info.java
+        Module module = builder.build();
+        Path parent = outfile.getParent();
+        if (parent != null)
+            Files.createDirectories(parent);
+
+        try (BufferedWriter writer = Files.newBufferedWriter(outfile)) {
+            writer.write(module.toString());
+        }
+    }
+
+    private static void augment(Module.Builder builder, Map<String, Set<String>> options) {
+        for (String opt : options.keySet()) {
+            if (opt.equals("-exports")) {
+                for (String arg : options.get(opt)) {
+                    int index = arg.indexOf('/');
+                    if (index > 0) {
+                        String pn = arg.substring(0, index);
+                        String mn = arg.substring(index + 1, arg.length());
+                        builder.exportTo(pn, mn);
+                    } else {
+                        builder.export(arg);
+                    }
+                }
+            } else if (opt.equals("-uses")) {
+                options.get(opt).stream()
+                        .forEach(builder::use);
+            } else if (opt.equals("-provides")) {
+                for (String arg : options.get(opt)) {
+                    int index = arg.indexOf('/');
+                    if (index <= 0) {
+                        throw new IllegalArgumentException("invalid -provide argument: " + arg);
+                    }
+                    String service = arg.substring(0, index);
+                    String impl = arg.substring(index + 1, arg.length());
+                    builder.provide(service, impl);
+                }
+            }
+        }
+    }
+}