diff -r 000000000000 -r c880a8a8803b rt/emul/compact/src/main/java/java/lang/invoke/SimpleMethodHandle.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rt/emul/compact/src/main/java/java/lang/invoke/SimpleMethodHandle.java Sat Aug 09 11:11:13 2014 +0200 @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2008, 2012, Oracle and/or its affiliates. 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. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package java.lang.invoke; + +import static java.lang.invoke.LambdaForm.*; +import static java.lang.invoke.MethodHandleNatives.Constants.*; +import java.util.logging.Level; +import java.util.logging.Logger; + +/** + * A method handle whose behavior is determined only by its LambdaForm. + * @author jrose + */ +final class SimpleMethodHandle extends MethodHandle { + private SimpleMethodHandle(MethodType type, LambdaForm form) { + super(type, form); + } + + /*non-public*/ static SimpleMethodHandle make(MethodType type, LambdaForm form) { + return new SimpleMethodHandle(type, form); + } + + @Override + MethodHandle bindArgument(int pos, char basicType, Object value) { + MethodType type2 = type().dropParameterTypes(pos, pos+1); + LambdaForm form2 = internalForm().bind(1+pos, BoundMethodHandle.SpeciesData.EMPTY); + return BoundMethodHandle.bindSingle(type2, form2, basicType, value); + } + + @Override + MethodHandle dropArguments(MethodType srcType, int pos, int drops) { + LambdaForm newForm = internalForm().addArguments(pos, srcType.parameterList().subList(pos, pos+drops)); + return new SimpleMethodHandle(srcType, newForm); + } + + @Override + MethodHandle permuteArguments(MethodType newType, int[] reorder) { + LambdaForm form2 = internalForm().permuteArguments(1, reorder, basicTypes(newType.parameterList())); + return new SimpleMethodHandle(newType, form2); + } + + @Override + MethodHandle copyWith(MethodType mt, LambdaForm lf) { + return new SimpleMethodHandle(mt, lf); + } + +}