test/tools/javac/meth/InvokeMH.java

Thu, 31 Aug 2017 15:17:03 +0800

author
aoqi
date
Thu, 31 Aug 2017 15:17:03 +0800
changeset 2525
2eb010b6cb22
parent 1021
347349c981f2
parent 0
959103a6100f
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test
aoqi@0 26 * @bug 6754038 6979327
aoqi@0 27 * @summary Generate call sites for method handle
aoqi@0 28 * @author jrose
aoqi@0 29 *
aoqi@0 30 * @compile -source 7 -target 7 -XDallowTransitionalJSR292=no InvokeMH.java
aoqi@0 31 */
aoqi@0 32
aoqi@0 33 /*
aoqi@0 34 * Standalone testing:
aoqi@0 35 * <code>
aoqi@0 36 * $ cd $MY_REPO_DIR/langtools
aoqi@0 37 * $ (cd make; make)
aoqi@0 38 * $ ./dist/bootstrap/bin/javac -d dist test/tools/javac/meth/InvokeMH.java
aoqi@0 39 * $ javap -c -classpath dist meth.InvokeMH
aoqi@0 40 * </code>
aoqi@0 41 */
aoqi@0 42
aoqi@0 43 package meth;
aoqi@0 44
aoqi@0 45 import java.lang.invoke.MethodHandle;
aoqi@0 46
aoqi@0 47 public class InvokeMH {
aoqi@0 48 void test(MethodHandle mh_SiO,
aoqi@0 49 MethodHandle mh_vS,
aoqi@0 50 MethodHandle mh_vi,
aoqi@0 51 MethodHandle mh_vv) throws Throwable {
aoqi@0 52 Object o; String s; int i; // for return type testing
aoqi@0 53
aoqi@0 54 // next five must have sig = (String,int)Object
aoqi@0 55 mh_SiO.invokeExact("world", 123);
aoqi@0 56 mh_SiO.invokeExact("mundus", 456);
aoqi@0 57 Object k = "kosmos";
aoqi@0 58 mh_SiO.invokeExact((String)k, 789);
aoqi@0 59 o = mh_SiO.invokeExact((String)null, 000);
aoqi@0 60 o = (Object) mh_SiO.invokeExact("arda", -123);
aoqi@0 61
aoqi@0 62 // sig = ()String
aoqi@0 63 s = (String) mh_vS.invokeExact();
aoqi@0 64
aoqi@0 65 // sig = ()int
aoqi@0 66 i = (int) mh_vi.invokeExact();
aoqi@0 67 o = (int) mh_vi.invokeExact();
aoqi@0 68
aoqi@0 69 // sig = ()void
aoqi@0 70 mh_vv.invokeExact();
aoqi@0 71 }
aoqi@0 72
aoqi@0 73 void testGen(MethodHandle mh_SiO,
aoqi@0 74 MethodHandle mh_vS,
aoqi@0 75 MethodHandle mh_vi,
aoqi@0 76 MethodHandle mh_vv) throws Throwable {
aoqi@0 77 Object o; String s; int i; // for return type testing
aoqi@0 78
aoqi@0 79 // next five must have sig = (*,*)*
aoqi@0 80 o = mh_SiO.invoke((Object)"world", (Object)123);
aoqi@0 81 mh_SiO.invoke((Object)"mundus", (Object)456);
aoqi@0 82 Object k = "kosmos";
aoqi@0 83 o = mh_SiO.invoke(k, 789);
aoqi@0 84 o = mh_SiO.invoke(null, 000);
aoqi@0 85 o = mh_SiO.invoke("arda", -123);
aoqi@0 86
aoqi@0 87 // sig = ()String
aoqi@0 88 o = mh_vS.invoke();
aoqi@0 89
aoqi@0 90 // sig = ()int
aoqi@0 91 i = (int) mh_vi.invoke();
aoqi@0 92 o = (int) mh_vi.invoke();
aoqi@0 93 mh_vi.invoke();
aoqi@0 94
aoqi@0 95 // sig = ()void
aoqi@0 96 mh_vv.invoke();
aoqi@0 97 o = mh_vv.invoke();
aoqi@0 98 }
aoqi@0 99 }

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