6829189: Java programming with JSR 292 needs language support
Summary: Language changes documented in http://wikis.sun.com/display/mlvm/ProjectCoinProposal
Reviewed-by: jjg, darcy, mcimadamore
/*
* Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @test
* @bug 6754038
* @summary Generate call sites for method handle
* @author jrose
*
* @compile -source 7 -target 7 InvokeMH.java
*/
/*
* Standalone testing:
* <code>
* $ cd $MY_REPO_DIR/langtools
* $ (cd make; make)
* $ ./dist/bootstrap/bin/javac -d dist test/tools/javac/meth/InvokeMH.java
* $ javap -c -classpath dist meth.InvokeMH
* </code>
*/
package meth;
import java.dyn.MethodHandle;
public class InvokeMH {
void test(MethodHandle mh_SiO,
MethodHandle mh_vS,
MethodHandle mh_vi,
MethodHandle mh_vv) {
Object o; String s; int i; // for return type testing
// next five must have sig = (String,int)Object
mh_SiO.invoke("world", 123);
mh_SiO.invoke("mundus", 456);
Object k = "kosmos";
mh_SiO.invoke((String)k, 789);
o = mh_SiO.invoke((String)null, 000);
o = mh_SiO.<Object>invoke("arda", -123);
// sig = ()String
s = mh_vS.<String>invoke();
// sig = ()int
i = mh_vi.<int>invoke();
o = mh_vi.<int>invoke();
//s = mh_vi.<int>invoke(); //BAD
mh_vi.<int>invoke();
// sig = ()void
//o = mh_vv.<void>invoke(); //BAD
mh_vv.<void>invoke();
}
}