src/java.base/share/classes/java/lang/invoke/SimpleMethodHandle.java
author jboes
Thu, 21 Nov 2019 09:10:21 +0000
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8234335: Remove line break in class declaration in java.base Summary: Remove line break in class declarations where applicable Reviewed-by: rriggs, lancea
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/*
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 * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package java.lang.invoke;
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import jdk.internal.vm.annotation.Stable;
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import static java.lang.invoke.LambdaForm.BasicType.*;
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import static java.lang.invoke.MethodHandleStatics.*;
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/**
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 * A method handle whose behavior is determined only by its LambdaForm.
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 * @author jrose
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 */
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final class SimpleMethodHandle extends BoundMethodHandle {
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    private SimpleMethodHandle(MethodType type, LambdaForm form) {
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        super(type, form);
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    }
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    /*non-public*/
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    static BoundMethodHandle make(MethodType type, LambdaForm form) {
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        return new SimpleMethodHandle(type, form);
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    }
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    /*non-public*/
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    static @Stable BoundMethodHandle.SpeciesData BMH_SPECIES;
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    @Override
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    /*non-public*/
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    BoundMethodHandle.SpeciesData speciesData() {
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            return BMH_SPECIES;
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    }
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    @Override
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    /*non-public*/
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    BoundMethodHandle copyWith(MethodType mt, LambdaForm lf) {
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        return make(mt, lf);
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    }
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    @Override
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    String internalProperties() {
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        return "\n& Class="+getClass().getSimpleName();
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    }
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    @Override
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    /*non-public*/
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    final BoundMethodHandle copyWithExtendL(MethodType mt, LambdaForm lf, Object narg) {
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        return BoundMethodHandle.bindSingle(mt, lf, narg); // Use known fast path.
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    }
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    @Override
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    /*non-public*/
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    final BoundMethodHandle copyWithExtendI(MethodType mt, LambdaForm lf, int narg) {
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        try {
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            return (BoundMethodHandle) BMH_SPECIES.extendWith(I_TYPE_NUM).factory().invokeBasic(mt, lf, narg);
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        } catch (Throwable ex) {
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            throw uncaughtException(ex);
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        }
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    }
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    @Override
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    /*non-public*/
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    final BoundMethodHandle copyWithExtendJ(MethodType mt, LambdaForm lf, long narg) {
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        try {
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            return (BoundMethodHandle) BMH_SPECIES.extendWith(J_TYPE_NUM).factory().invokeBasic(mt, lf, narg);
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        } catch (Throwable ex) {
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            throw uncaughtException(ex);
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        }
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    }
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    @Override
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    /*non-public*/
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    final BoundMethodHandle copyWithExtendF(MethodType mt, LambdaForm lf, float narg) {
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        try {
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            return (BoundMethodHandle) BMH_SPECIES.extendWith(F_TYPE_NUM).factory().invokeBasic(mt, lf, narg);
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        } catch (Throwable ex) {
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            throw uncaughtException(ex);
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        }
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    }
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    @Override
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    /*non-public*/
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    final BoundMethodHandle copyWithExtendD(MethodType mt, LambdaForm lf, double narg) {
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        try {
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            return (BoundMethodHandle) BMH_SPECIES.extendWith(D_TYPE_NUM).factory().invokeBasic(mt, lf, narg);
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        } catch (Throwable ex) {
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            throw uncaughtException(ex);
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        }
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    }
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}