1 /* 2 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6754038 6979327 27 * @summary Generate call sites for method handle 28 * @author jrose 29 * 30 * @compile -source 7 -target 7 -XDallowTransitionalJSR292=no InvokeMH.java 31 */ 32 33 /* 34 * Standalone testing: 35 * <code> 36 * $ cd $MY_REPO_DIR/langtools 37 * $ (cd make; make) 38 * $ ./dist/bootstrap/bin/javac -d dist test/tools/javac/meth/InvokeMH.java 39 * $ javap -c -classpath dist meth.InvokeMH 40 * </code> 41 */ 42 43 package meth; 44 45 import java.lang.invoke.MethodHandle; 46 47 public class InvokeMH { 48 void test(MethodHandle mh_SiO, 49 MethodHandle mh_vS, 50 MethodHandle mh_vi, 51 MethodHandle mh_vv) throws Throwable { 52 Object o; String s; int i; // for return type testing 53 54 // next five must have sig = (String,int)Object 55 mh_SiO.invokeExact("world", 123); 56 mh_SiO.invokeExact("mundus", 456); 57 Object k = "kosmos"; 58 mh_SiO.invokeExact((String)k, 789); 59 o = mh_SiO.invokeExact((String)null, 000); 60 o = (Object) mh_SiO.invokeExact("arda", -123); 61 62 // sig = ()String 63 s = (String) mh_vS.invokeExact(); 64 65 // sig = ()int 66 i = (int) mh_vi.invokeExact(); 67 o = (int) mh_vi.invokeExact(); 68 69 // sig = ()void 70 mh_vv.invokeExact(); 71 } 72 73 void testGen(MethodHandle mh_SiO, 74 MethodHandle mh_vS, 75 MethodHandle mh_vi, 76 MethodHandle mh_vv) throws Throwable { 77 Object o; String s; int i; // for return type testing 78 79 // next five must have sig = (*,*)* 80 o = mh_SiO.invoke((Object)"world", (Object)123); 81 mh_SiO.invoke((Object)"mundus", (Object)456); 82 Object k = "kosmos"; 83 o = mh_SiO.invoke(k, 789); 84 o = mh_SiO.invoke(null, 000); 85 o = mh_SiO.invoke("arda", -123); 86 87 // sig = ()String 88 o = mh_vS.invoke(); 89 90 // sig = ()int 91 i = (int) mh_vi.invoke(); 92 o = (int) mh_vi.invoke(); 93 mh_vi.invoke(); 94 95 // sig = ()void 96 mh_vv.invoke(); 97 o = mh_vv.invoke(); 98 } 99 }