Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/instrument/PhylumMarked.java @ 13562:58ca96949f2e
Truffle: introduce the notion of a node "phylum", a user-oriented categorization of nodes that is independent of implementation, to be used by tools when identifying program parts, such as "statements".
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Tue, 07 Jan 2014 17:52:54 -0800 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/instrument/PhylumMarked.java Tue Jan 07 17:52:54 2014 -0800 @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2014, 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.instrument; + +import java.util.*; + +import com.oracle.truffle.api.nodes.*; + +/** + * A kind of {@link Node} that can be marked as belong to 0 or more {@linkplain NodePhylum phyla}. + */ +public interface PhylumMarked { + + /** + * Is this proxy tagged as belonging to a particular category of language constructs? + */ + boolean isMarkedAs(NodePhylum phylum); + + /** + * In which categories is this node tagged (<em>empty set</em> if none). + */ + Set<NodePhylum> getPhylumMarks(); + +}