/* * Copyright (c) 2022, 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 java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; import java.lang.invoke.MethodType; // When this class is executed, the following classes will be generated by // java.lang.invoke.ClassSpecializer with the code source // "_ClassSpecializer_generateConcreteSpeciesCode". // // - java.lang.invoke.BoundMethodHandle$Species_LFDIIL // - java.lang.invoke.BoundMethodHandle$Species_LFDIILJ // - java.lang.invoke.BoundMethodHandle$Species_LFDIILJD // - ... // // The TestDumpClassListSource test case checks that these classes are not // written into the classlist, as they cannot be handled by -Xshare:dump public class ClassSpecializerTestApp { public static void main(String args[]) throws Throwable { MethodHandles.Lookup lookup = MethodHandles.lookup(); MethodType mt = MethodType.methodType(void.class, float.class, double.class, int.class, boolean.class, Object.class, long.class, double.class); MethodHandle mh = lookup.findStatic(ClassSpecializerTestApp.class, "callme", mt); invoke(mh, 4.0f, 5.0, 6, true, null, 7L, 8.0); } private static Object invoke(MethodHandle mh, Object ... args) throws Throwable { try { for (Object o : args) { mh = MethodHandles.insertArguments(mh, 0, o); } return mh.invoke(); } catch (Throwable t) { System.out.println("Failed to find, link and/or invoke " + mh.toString() + ": " + t.getMessage()); throw t; } } private static void callme(float f, double d, int i, boolean b, Object o, long l, double d2) {} }