diff a/test/lib/org/openjdk/asmtools/jcoder/Main.java b/test/lib/org/openjdk/asmtools/jcoder/Main.java
--- /dev/null
+++ b/test/lib/org/openjdk/asmtools/jcoder/Main.java
@@ -0,0 +1,197 @@
+/*
+ * Copyright (c) 2009, 2020, 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.
+ *
+ * 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 org.openjdk.asmtools.jcoder;
+
+import org.openjdk.asmtools.common.Tool;
+import org.openjdk.asmtools.util.I18NResourceBundle;
+import org.openjdk.asmtools.util.ProductInfo;
+
+import java.io.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+/**
+ *
+ *
+ */
+public class Main extends Tool {
+
+    public static final I18NResourceBundle i18n
+            = I18NResourceBundle.getBundleForClass(Main.class);
+
+    public Main(PrintWriter out, String programName) {
+        super(out, programName);
+        printCannotReadMsg = (fname) -> error(i18n.getString("jcoder.error.cannot_read", fname));
+    }
+
+    public Main(PrintStream out, String program) {
+        this(new PrintWriter(out), program);
+    }
+
+    @Override
+    public void usage() {
+        println(i18n.getString("jcoder.usage"));
+        println(i18n.getString("jcoder.opt.nowrite"));
+        println(i18n.getString("jcoder.opt.ignore"));
+        println(i18n.getString("jcoder.opt.d"));
+        println(i18n.getString("jcoder.opt.version"));
+    }
+
+    /**
+     * Run the compiler
+     */
+    public synchronized boolean compile(String argv[]) {
+        File destDir = null;
+        boolean traceFlag = false;
+        DebugFlag = () -> false;
+        long tm = System.currentTimeMillis();
+        ArrayList<String> v = new ArrayList<>();
+        boolean nowrite = false;
+        boolean ignore  = false;
+        int nwarnings = 0;
+        HashMap<String, String> macros = new HashMap<>();
+        macros.put("VERSION", "3;45");
+
+        // Parse arguments
+        for (int i = 0; i < argv.length; i++) {
+            String arg = argv[i];
+            if (!arg.startsWith("-")) {
+                v.add(arg);
+            } else if (arg.startsWith("-D")) {
+                int argLength = arg.length();
+                if (argLength == 2) {
+                    error(i18n.getString("jcoder.error.D_needs_macro"));
+                    return false;
+                }
+                int index = arg.indexOf('=');
+                if (index == -1) {
+                    error(i18n.getString("jcoder.error.D_needs_macro"));
+                    return false;
+                }
+                String macroId = arg.substring(2, index);
+                index++;
+                if (argLength == index) {
+                    error(i18n.getString("jcoder.error.D_needs_macro"));
+                    return false;
+                }
+                String macro;
+                if (arg.charAt(index) == '"') {
+                    index++;
+                    if (argLength == index || arg.charAt(argLength - 1) != '"') {
+                        error(i18n.getString("jcoder.error.no_closing_quota"));
+                        return false;
+                    }
+                    macro = arg.substring(index, argLength - 1);
+                } else {
+                    macro = arg.substring(index, argLength);
+                }
+                macros.put(macroId, macro);
+            } else if (arg.equals("-vv")) {
+                DebugFlag = () -> true;
+                traceFlag = true;
+            } else if (arg.equals("-v")) {
+                traceFlag = true;
+            } else if (arg.equals("-nowrite")) {
+                nowrite = true;
+            } else if (arg.equals("-ignore")) {
+                ignore = true;
+            } else if (arg.equals("-d")) {
+                if ((i + 1) == argv.length) {
+                    error(i18n.getString("jcoder.error.d_requires_argument"));
+                    usage();
+                    return false;
+                }
+                destDir = new File(argv[++i]);
+                if (!destDir.exists()) {
+                    error(i18n.getString("jcoder.error.does_not_exist", destDir));
+                    return false;
+                }
+            } else if (arg.equals("-version")) {
+                println(ProductInfo.FULL_VERSION);
+            } else {
+                error(i18n.getString("jcoder.error.invalid_option", arg));
+                usage();
+                return false;
+            }
+        }
+        if (v.isEmpty()) {
+            usage();
+            return false;
+        }
+        // compile all input files
+        try {
+            for (String inpname : v) {
+                SourceFile env;
+                Jcoder p;
+
+                DataInputStream dataInputStream = getDataInputStream(inpname);
+                if( dataInputStream == null ) {
+                    nerrors++;
+                    continue;
+                }
+                env = new SourceFile(this, dataInputStream, inpname, out);
+                env.traceFlag = traceFlag;
+                env.debugInfoFlag = DebugFlag.getAsBoolean();
+                p = new Jcoder(env, macros);
+                p.parseFile();
+                env.traceln("END PARSER");
+                env.closeInp();
+
+                nerrors += env.nerrors;
+                nwarnings += env.nwarnings;
+                if (nowrite || (nerrors > 0 & !ignore)) {
+                    continue;
+                }
+                try {
+                    env.traceln("WRITE");
+                    p.write(destDir);
+                } catch (FileNotFoundException ex) {
+                    error(i18n.getString("jcoder.error.cannot_write", ex.getMessage()));
+                }
+            }
+        } catch (Error ee) {
+            ee.printStackTrace();
+            error(i18n.getString("jcoder.error.fatal_error"));
+        } catch (Exception ee) {
+            ee.printStackTrace();
+            error(i18n.getString("jcoder.error.fatal_exception"));
+        }
+
+        boolean errs = nerrors > 0;
+        boolean warns = nwarnings > 0;
+        if (!errs && !warns) {
+            return true;
+        }
+        println(errs ? (nerrors > 1 ? (nerrors + " errors") : "1 error")
+                : "" + ((errs && warns) ? ", " : "") + (warns ? (nwarnings > 1 ? (nwarnings + " warnings") : "1 warning") : ""));
+        return !errs;
+    }
+
+    /**
+     * main program
+     */
+    public static void main(String[] argv) {
+        Main compiler = new Main(new PrintWriter(System.out), "jcoder");
+        System.exit(compiler.compile(argv) ? 0 : 1);
+    }
+}
