nashorn/src/jdk.scripting.nashorn/share/classes/jdk/internal/dynalink/beans/DynamicMethodLinker.java
changeset 34453 0d6925c03155
parent 34019 b4a0a6c5333f
parent 34452 c34f322b89b9
child 34454 735fec4e8ee8
--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/internal/dynalink/beans/DynamicMethodLinker.java	Sun Nov 29 11:00:11 2015 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,143 +0,0 @@
-/*
- * Copyright (c) 2010, 2013, 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.
- */
-
-/*
- * This file is available under and governed by the GNU General Public
- * License version 2 only, as published by the Free Software Foundation.
- * However, the following notice accompanied the original version of this
- * file, and Oracle licenses the original version of this file under the BSD
- * license:
- */
-/*
-   Copyright 2009-2013 Attila Szegedi
-
-   Licensed under both the Apache License, Version 2.0 (the "Apache License")
-   and the BSD License (the "BSD License"), with licensee being free to
-   choose either of the two at their discretion.
-
-   You may not use this file except in compliance with either the Apache
-   License or the BSD License.
-
-   If you choose to use this file in compliance with the Apache License, the
-   following notice applies to you:
-
-       You may obtain a copy of the Apache License at
-
-           http://www.apache.org/licenses/LICENSE-2.0
-
-       Unless required by applicable law or agreed to in writing, software
-       distributed under the License is distributed on an "AS IS" BASIS,
-       WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-       implied. See the License for the specific language governing
-       permissions and limitations under the License.
-
-   If you choose to use this file in compliance with the BSD License, the
-   following notice applies to you:
-
-       Redistribution and use in source and binary forms, with or without
-       modification, are permitted provided that the following conditions are
-       met:
-       * Redistributions of source code must retain the above copyright
-         notice, this list of conditions and the following disclaimer.
-       * Redistributions in binary form must reproduce the above copyright
-         notice, this list of conditions and the following disclaimer in the
-         documentation and/or other materials provided with the distribution.
-       * Neither the name of the copyright holder nor the names of
-         contributors may be used to endorse or promote products derived from
-         this software without specific prior written permission.
-
-       THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-       IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-       TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-       PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
-       BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-       CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-       SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
-       BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-       WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-       OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-       ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-package jdk.internal.dynalink.beans;
-
-import java.lang.invoke.MethodHandle;
-import java.lang.invoke.MethodHandles;
-import jdk.internal.dynalink.CallSiteDescriptor;
-import jdk.internal.dynalink.NamedOperation;
-import jdk.internal.dynalink.Operation;
-import jdk.internal.dynalink.StandardOperation;
-import jdk.internal.dynalink.linker.GuardedInvocation;
-import jdk.internal.dynalink.linker.LinkRequest;
-import jdk.internal.dynalink.linker.LinkerServices;
-import jdk.internal.dynalink.linker.TypeBasedGuardingDynamicLinker;
-import jdk.internal.dynalink.linker.support.Guards;
-
-/**
- * Simple linker that implements the {@link StandardOperation#CALL} operation
- * for {@link DynamicMethod} objects - the objects returned by
- * {@link StandardOperation#GET_METHOD} through {@link AbstractJavaLinker}.
- */
-class DynamicMethodLinker implements TypeBasedGuardingDynamicLinker {
-    @Override
-    public boolean canLinkType(final Class<?> type) {
-        return DynamicMethod.class.isAssignableFrom(type);
-    }
-
-    @Override
-    public GuardedInvocation getGuardedInvocation(final LinkRequest linkRequest, final LinkerServices linkerServices) {
-        final Object receiver = linkRequest.getReceiver();
-        if(!(receiver instanceof DynamicMethod)) {
-            return null;
-        }
-        final DynamicMethod dynMethod = (DynamicMethod)receiver;
-        final boolean constructor = dynMethod.isConstructor();
-        final MethodHandle invocation;
-
-        final CallSiteDescriptor desc = linkRequest.getCallSiteDescriptor();
-        final Operation op = NamedOperation.getBaseOperation(desc.getOperation());
-        if (op == StandardOperation.CALL && !constructor) {
-            invocation = dynMethod.getInvocation(desc.changeMethodType(
-                    desc.getMethodType().dropParameterTypes(0, 1)), linkerServices);
-        } else if (op == StandardOperation.NEW && constructor) {
-            final MethodHandle ctorInvocation = dynMethod.getInvocation(desc, linkerServices);
-            if(ctorInvocation == null) {
-                return null;
-            }
-
-            // Insert null for StaticClass parameter
-            invocation = MethodHandles.insertArguments(ctorInvocation, 0, (Object)null);
-        } else {
-            return null;
-        }
-
-        if (invocation != null) {
-            return new GuardedInvocation(MethodHandles.dropArguments(invocation, 0,
-                desc.getMethodType().parameterType(0)), Guards.getIdentityGuard(receiver));
-        }
-
-        return null;
-    }
-}