/*
* Copyright (c) 2016, 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
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*/
package com.oracle.truffle.api.instrumentation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import com.oracle.truffle.api.TruffleLanguage;
import com.oracle.truffle.api.nodes.Node;
/**
* Specifies a set of tags that are provided by a {@link TruffleLanguage language} implementation.
* <p>
* Tags are used by guest languages to indicate that a {@link Node node} is a member of a certain
* category of nodes. For example a debugger
* {@link com.oracle.truffle.api.instrumentation.TruffleInstrument instrument} might require a guest
* language to tag all nodes as halt locations that should be considered as such.
*
* @since 0.12
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE})
public @interface ProvidedTags {
/**
* @return the set of tags that are provided by the {@link TruffleLanguage language}
* implementation.
* @see ProvidedTags class documentation for further details
* @since 0.12
*/
Class<?>[] value();
}