1 /* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     3  *

     4  * This code is free software; you can redistribute it and/or modify it

     5  * under the terms of the GNU General Public License version 2 only, as

     6  * published by the Free Software Foundation.

     7  *

     8  * This code is distributed in the hope that it will be useful, but WITHOUT

     9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    11  * version 2 for more details (a copy is included in the LICENSE file that

    12  * accompanied this code).

    13  *

    14  * You should have received a copy of the GNU General Public License version

    15  * 2 along with this work; if not, write to the Free Software Foundation,

    16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    17  *

    18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    19  * or visit www.oracle.com if you need additional information or have any

    20  * questions.

    21  */

    22 

    23 /*

    24  * @test

    25  * @bug 6754038 6979327

    26  * @summary Generate call sites for method handle

    27  * @author jrose

    28  *

    29  * @compile/fail/ref=InvokeMHTrans.out -Werror -XDrawDiagnostics -source 7 -target 7 InvokeMHTrans.java

    30  */

    31 

    32 /*

    33  * Standalone testing:

    34  * <code>

    35  * $ cd $MY_REPO_DIR/langtools

    36  * $ (cd make; make)

    37  * $ ./dist/bootstrap/bin/javac -d dist test/tools/javac/meth/InvokeMH.java

    38  * $ javap -c -classpath dist meth.InvokeMH

    39  * </code>

    40  */

    41 

    42 package meth;

    43 

    44 import java.dyn.MethodHandle;

    45 

    46 public class InvokeMHTrans {

    47     void test(MethodHandle mh_SiO,

    48               MethodHandle mh_vS,

    49               MethodHandle mh_vi,

    50               MethodHandle mh_vv) throws Throwable {

    51         Object o; String s; int i;  // for return type testing

    52 

    53         // next five must have sig = (String,int)Object

    54         mh_SiO.invokeExact("world", 123);

    55         mh_SiO.invokeExact("mundus", 456);

    56         Object k = "kosmos";

    57         mh_SiO.invokeExact((String)k, 789);

    58         o = mh_SiO.invokeExact((String)null, 000);

    59         o = mh_SiO.<Object>invokeExact("arda", -123);

    60 

    61         // sig = ()String

    62         s = mh_vS.<String>invokeExact();

    63 

    64         // sig = ()int

    65         i = mh_vi.<int>invokeExact();

    66         o = mh_vi.<int>invokeExact();

    67         //s = mh_vi.<int>invokeExact(); //BAD

    68         mh_vi.<int>invokeExact();

    69 

    70         // sig = ()void

    71         //o = mh_vv.<void>invokeExact(); //BAD

    72         mh_vv.<void>invokeExact();

    73     }

    74 

    75     void testGen(MethodHandle mh_SiO,

    76                  MethodHandle mh_vS,

    77                  MethodHandle mh_vi,

    78                  MethodHandle mh_vv) throws Throwable {

    79         Object o; String s; int i;  // for return type testing

    80 

    81         // next five must have sig = (*,*)*

    82         mh_SiO.invokeGeneric((Object)"world", (Object)123);

    83         mh_SiO.<void>invokeGeneric((Object)"mundus", (Object)456);

    84         Object k = "kosmos";

    85         mh_SiO.invokeGeneric(k, 789);

    86         o = mh_SiO.invokeGeneric(null, 000);

    87         o = mh_SiO.<Object>invokeGeneric("arda", -123);

    88 

    89         // sig = ()String

    90         o = mh_vS.invokeGeneric();

    91 

    92         // sig = ()int

    93         i = mh_vi.<int>invokeGeneric();

    94         o = mh_vi.invokeGeneric();

    95         //s = mh_vi.<int>invokeGeneric(); //BAD

    96         mh_vi.<void>invokeGeneric();

    97 

    98         // sig = ()void

    99         //o = mh_vv.<void>invokeGeneric(); //BAD

   100         o = mh_vv.invokeGeneric();

   101     }

   102 }