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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeInfo.java @ 14566:6681b9eb3f4c

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Truffle: API cleanup and javadoc for CallNodes.
author Christian Humer <christian.humer@gmail.com>
date Mon, 17 Mar 2014 14:29:45 +0100
parents 5d1308c78ddc
children 4293efaaab76
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1 /*
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2 * Copyright (c) 2012, 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
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7 * published by the Free Software Foundation. Oracle designates this
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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
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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14 * version 2 for more details (a copy is included in the LICENSE file that
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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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
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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.nodes;
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27 import java.lang.annotation.*;
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28
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29 /**
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30 * Annotation for providing additional information on nodes.
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31 */
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32 @Retention(RetentionPolicy.RUNTIME)
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33 @Target(ElementType.TYPE)
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34 public @interface NodeInfo {
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35
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36 /**
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37 * Short name representing the node that can be used for debugging.
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38 *
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39 * @return the short name
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40 */
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41 String shortName() default "";
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42
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43 /**
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44 * Provides a rough estimate for the cost of the annotated {@link Node}. This estimate can be
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45 * used by runtime systems or guest languages to implement heuristics based on Truffle ASTs.
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46 *
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47 * @see Node#getCost()
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48 * @see NodeCost
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49 */
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50 NodeCost cost() default NodeCost.MONOMORPHIC;
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51
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52 }