Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/Arguments.java @ 12044:6aef5b6bbdd8
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 10 Oct 2013 18:26:09 +0200 |
parents | 494b818b527c |
children |
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/* * Copyright (c) 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 com.oracle.truffle.api; /** * Base class for arguments passed to guest language methods via the * {@link CallTarget#call(com.oracle.truffle.api.frame.PackedFrame, Arguments)} method. A guest * language create a subclass with immutable fields representing the arguments passed to a guest * language method. The {@link Arguments} object must be created immediately before a method call * and it must not be stored in a field or cast to {@link java.lang.Object}. */ public class Arguments { /** * Constant that can be used as an argument to * {@link CallTarget#call(com.oracle.truffle.api.frame.PackedFrame, Arguments)} in case no * arguments should be supplied. */ public static final Arguments EMPTY_ARGUMENTS = new Arguments(); /** * Constructs an empty {@link Arguments} instance. Guest languages should create a subclass to * specify their own arguments. */ protected Arguments() { } }