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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/SyntaxTagged.java @ 20131:4b12d5355811

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Truffle: do not use iterators for visitors.
author Christian Humer <christian.humer@gmail.com>
date Thu, 02 Apr 2015 01:27:27 +0200
parents 27fe86a6fb49
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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7 * published by the Free Software Foundation. Oracle designates this
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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8 * particular file as subject to the "Classpath" exception as provided
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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14 * version 2 for more details (a copy is included in the LICENSE file that
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15 * accompanied this code).
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16 *
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17 * You should have received a copy of the GNU General Public License version
0c6d8a08e31b Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25 package com.oracle.truffle.api.instrument;
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26
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27 import java.util.*;
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28
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29 /**
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30 * Information about a guest language program element in a Truffle AST that can be marked as
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31 * belonging to 0 or more {@linkplain SyntaxTag tags}.
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32 */
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33 public interface SyntaxTagged {
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34
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35 /**
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36 * Is this node tagged as belonging to a particular human-sensible category of language
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37 * constructs?
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38 */
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39 boolean isTaggedAs(SyntaxTag tag);
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41 /**
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42 * In which user-sensible categories has this node been tagged (<em>empty set</em> if none).
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43 */
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44 Collection<SyntaxTag> getSyntaxTags();
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46 }