Mercurial > hg > graal-compiler
view graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeRefIterable.java @ 16897:f90dcdbbb75e
switched to using new NodeFieldIterator and NodeFieldIterable for traversing Node inputs and successors
changed Node fields to be protected or package-private (they can no longer be private)
generate isLeafNode() and isOptionalInput()
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 22 Aug 2014 15:56:51 +0200 |
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/* * 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. * * 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.graal.graph; import com.oracle.graal.graph.iterators.*; /** * The iterator returned by this iterable can be used to access {@link Position Positions} during * iteration using {@link NodeRefIterator#nextPosition()}. */ public interface NodeRefIterable extends NodeIterable<Node> { /** * Returns an iterator that produces all non-null values. */ @Override NodeRefIterator iterator(); /** * Returns an iterator that produces all values, including null values. */ NodeRefIterator withNullIterator(); NodeRefIterable Empty = new NodeRefIterable() { public NodeRefIterator withNullIterator() { return NodeRefIterator.Empty; } public NodeRefIterator iterator() { return NodeRefIterator.Empty; } }; }