--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/parser/extend/TrialParserFactory.java	Fri Jan 16 20:03:30 2015 -0800
@@ -0,0 +1,55 @@
+/*
+ * 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.
+ *
+ * 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.
+ */
+
+import com.sun.tools.javac.parser.JavacParser;
+import com.sun.tools.javac.parser.ParserFactory;
+import com.sun.tools.javac.parser.ScannerFactory;
+import com.sun.tools.javac.util.Context;
+
+/**
+ *
+ * @author Robert Field
+ */
+class TrialParserFactory extends ParserFactory {
+
+    public static ParserFactory instance(Context context) {
+        ParserFactory instance = context.get(parserFactoryKey);
+        if (instance == null) {
+            instance = new TrialParserFactory(context);
+        }
+        return instance;
+    }
+
+    private final ScannerFactory scannerFactory;
+
+    protected TrialParserFactory(Context context) {
+        super(context);
+        this.scannerFactory = ScannerFactory.instance(context);
+    }
+
+    @Override
+    public JavacParser newParser(CharSequence input, boolean keepDocComments, boolean keepEndPos, boolean keepLineMap) {
+        com.sun.tools.javac.parser.Lexer lexer = scannerFactory.newScanner(input, keepDocComments);
+        return new TrialParser(this, lexer, keepDocComments, keepLineMap, keepEndPos);
+    }
+}