jaroslav@1646: /*
jaroslav@1646:  * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
jaroslav@1646:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jaroslav@1646:  *
jaroslav@1646:  * This code is free software; you can redistribute it and/or modify it
jaroslav@1646:  * under the terms of the GNU General Public License version 2 only, as
jaroslav@1646:  * published by the Free Software Foundation.  Oracle designates this
jaroslav@1646:  * particular file as subject to the "Classpath" exception as provided
jaroslav@1646:  * by Oracle in the LICENSE file that accompanied this code.
jaroslav@1646:  *
jaroslav@1646:  * This code is distributed in the hope that it will be useful, but WITHOUT
jaroslav@1646:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jaroslav@1646:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jaroslav@1646:  * version 2 for more details (a copy is included in the LICENSE file that
jaroslav@1646:  * accompanied this code).
jaroslav@1646:  *
jaroslav@1646:  * You should have received a copy of the GNU General Public License version
jaroslav@1646:  * 2 along with this work; if not, write to the Free Software Foundation,
jaroslav@1646:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jaroslav@1646:  *
jaroslav@1646:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jaroslav@1646:  * or visit www.oracle.com if you need additional information or have any
jaroslav@1646:  * questions.
jaroslav@1646:  */
jaroslav@1646: 
jaroslav@1646: package java.lang.invoke;
jaroslav@1646: 
jaroslav@1646: import static java.lang.invoke.LambdaForm.*;
jaroslav@1646: import static java.lang.invoke.MethodHandleNatives.Constants.*;
jaroslav@1646: import java.util.logging.Level;
jaroslav@1646: import java.util.logging.Logger;
jaroslav@1646: 
jaroslav@1646: /**
jaroslav@1646:  * A method handle whose behavior is determined only by its LambdaForm.
jaroslav@1646:  * @author jrose
jaroslav@1646:  */
jaroslav@1646: final class SimpleMethodHandle extends MethodHandle {
jaroslav@1646:     private SimpleMethodHandle(MethodType type, LambdaForm form) {
jaroslav@1646:         super(type, form);
jaroslav@1646:     }
jaroslav@1646: 
jaroslav@1646:     /*non-public*/ static SimpleMethodHandle make(MethodType type, LambdaForm form) {
jaroslav@1646:         return new SimpleMethodHandle(type, form);
jaroslav@1646:     }
jaroslav@1646: 
jaroslav@1646:     @Override
jaroslav@1646:     MethodHandle bindArgument(int pos, char basicType, Object value) {
jaroslav@1646:         MethodType type2 = type().dropParameterTypes(pos, pos+1);
jaroslav@1646:         LambdaForm form2 = internalForm().bind(1+pos, BoundMethodHandle.SpeciesData.EMPTY);
jaroslav@1646:         return BoundMethodHandle.bindSingle(type2, form2, basicType, value);
jaroslav@1646:     }
jaroslav@1646: 
jaroslav@1646:     @Override
jaroslav@1646:     MethodHandle dropArguments(MethodType srcType, int pos, int drops) {
jaroslav@1646:         LambdaForm newForm = internalForm().addArguments(pos, srcType.parameterList().subList(pos, pos+drops));
jaroslav@1646:         return new SimpleMethodHandle(srcType, newForm);
jaroslav@1646:     }
jaroslav@1646: 
jaroslav@1646:     @Override
jaroslav@1646:     MethodHandle permuteArguments(MethodType newType, int[] reorder) {
jaroslav@1646:         LambdaForm form2 = internalForm().permuteArguments(1, reorder, basicTypes(newType.parameterList()));
jaroslav@1646:         return new SimpleMethodHandle(newType, form2);
jaroslav@1646:     }
jaroslav@1646: 
jaroslav@1646:     @Override
jaroslav@1646:     MethodHandle copyWith(MethodType mt, LambdaForm lf) {
jaroslav@1646:         return new SimpleMethodHandle(mt, lf);
jaroslav@1646:     }
jaroslav@1646: 
jaroslav@1646: }