8186209: Tool support for ConstantDynamic
8186046: Minimal ConstantDynamic support
8190972: Ensure that AOT/Graal filters out class files containing CONSTANT_Dynamic ahead of full AOT support
Reviewed-by: acorn, coleenp, kvn
Contributed-by: lois.foltan@oracle.com, john.r.rose@oracle.com, paul.sandoz@oracle.com
/*
* Copyright (c) 2017, 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package java.lang.invoke;
/**
* Bootstrap methods for dynamically-computed constant.
*/
final class DynamicConstant {
// implements the upcall from the JVM, MethodHandleNatives.linkDynamicConstant:
/*non-public*/
static Object makeConstant(MethodHandle bootstrapMethod,
// Callee information:
String name, Class<?> type,
// Extra arguments for BSM, if any:
Object info,
// Caller information:
Class<?> callerClass) {
// BSMI.invoke handles all type checking and exception translation.
// If type is not a reference type, the JVM is expecting a boxed
// version, and will manage unboxing on the other side.
return BootstrapMethodInvoker.invoke(
type, bootstrapMethod, name, type, info, callerClass);
}
}