Mercurial > hg > truffle
view graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeUsageIterable.java @ 17137:ac687cfbed21
Delete temporary node
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Tue, 16 Sep 2014 18:54:21 -0700 |
parents | 87a40fe1ba0c |
children | c88ab4f1f04a |
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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 static com.oracle.graal.graph.Graph.*; import com.oracle.graal.graph.iterators.*; class NodeUsageIterable implements NodeIterable<Node> { final Node node; NodeUsageIterable(Node node) { this.node = node; } public NodeUsageIterator iterator() { if (MODIFICATION_COUNTS_ENABLED) { return new NodeUsageWithModCountIterator(node); } else { return new NodeUsageIterator(node); } } @Override public boolean isEmpty() { return node.usage0 == null; } @Override public boolean isNotEmpty() { return node.usage0 != null; } @Override public int count() { return node.usageCount(); } }