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annotate graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/ForeignAccessFactory.java @ 19117:4f30f1e7e1e6
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| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Wed, 04 Feb 2015 03:19:37 +0100 |
| parents | d6dba4c723c0 |
| children |
| rev | line source |
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| 18746 | 1 /* |
| 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 package com.oracle.truffle.api.interop; | |
| 26 | |
| 27 import com.oracle.truffle.api.*; | |
| 28 import com.oracle.truffle.api.interop.messages.*; | |
| 29 | |
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30 /** |
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31 * Interface of a factory that produces AST snippets that can access a foreign {@code TruffleObject} |
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32 * . A Truffle language implementation accesses a {@code TruffleObject} via a {@code Message}. The |
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33 * {@code TruffleObject} instance provides a {@code ForeignAccessFactory} instance that provides an |
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34 * AST snippet for a given {@code Message}. |
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35 */ |
| 18746 | 36 public interface ForeignAccessFactory { |
| 37 | |
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38 /** |
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39 * Provides a {@code InteropPredicate} that tests whether a {@code TruffleObject} can be |
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40 * accessed using AST snippets, produced by this {@code ForeignAccessFactory}. |
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41 * |
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42 * @return the {@code InteropPredicate} that tests if a {@code TruffleObject} can be accessed by |
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43 * AST snipptes, produces by this {@code ForeignAccessFactory}. |
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44 */ |
| 18746 | 45 InteropPredicate getLanguageCheck(); |
| 46 | |
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47 /** |
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48 * Provides an AST snippet to access a {@code TruffleObject}. |
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49 * |
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50 * @param tree the {@code Message} that represents the access to a {@code TruffleObject}. |
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51 * @return the AST snippet for accessing the {@code TruffleObject}, wrapped as a |
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52 * {@code CallTarget}. |
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53 */ |
| 18746 | 54 CallTarget getAccess(Message tree); |
| 55 | |
| 56 } |