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comparison graal/com.oracle.truffle.api.dsl/src/com/oracle/truffle/api/dsl/ImportGuards.java @ 16832:13cf9b6b325c

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Truffle-DSL: implemented import guards feature.
author Christian Humer <christian.humer@gmail.com>
date Thu, 14 Aug 2014 16:49:18 +0200
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16830:c3c07046a74b 16832:13cf9b6b325c
1 /*
2 * Copyright (c) 2012, 2012, 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.dsl;
26
27 import java.lang.annotation.*;
28
29 /**
30 * Imports all public static methods usable as guards for {@link Specialization} annotations to the
31 * current class. Using this annotation common guards can be shared across nodes. Imported guards
32 * are derived from super classes. Guards declared in the node type hierarchy are always preferred
33 * to imported guards. Imported guards for a more concrete type are preferred to guards imported in
34 * the base class.
35 */
36 @Retention(RetentionPolicy.RUNTIME)
37 @Target({ElementType.TYPE})
38 public @interface ImportGuards {
39
40 Class<?>[] value();
41
42 }