Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/NodeInfo.java @ 16468:9fa5872291c1
Truffle: improve NodeIterator
author | Andreas Woess <andreas.woess@jku.at> |
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date | Thu, 10 Jul 2014 18:15:29 +0200 |
parents | 4293efaaab76 |
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.nodes; import java.lang.annotation.*; /** * Annotation for providing additional information on nodes. */ @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.TYPE) public @interface NodeInfo { /** * Short name representing the node that can be used for debugging. * * @return the short name */ String shortName() default ""; /** * Provides a rough estimate for the cost of the annotated {@link Node}. This estimate can be * used by runtime systems or guest languages to implement heuristics based on Truffle ASTs. * * @see Node#getCost() * @see NodeCost */ NodeCost cost() default NodeCost.MONOMORPHIC; /** * A human readable explanation of the purpose of the annotated {@link Node}. Can be used e.g. * for debugging or visualization purposes. * * @return the description */ String description() default ""; /** * A description, providing a user-readable explanation of the source language of the annotated * {@link Node}. Can be used e.g. for debugging or visualization purposes. Typically this * information is set only in an abstract base node for the language implementation. * * @return the description */ String language() default ""; }