1 /*
   2  * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.nodes;
  24 
  25 import org.graalvm.compiler.core.common.type.Stamp;
  26 import org.graalvm.compiler.graph.NodeClass;
  27 import org.graalvm.compiler.nodeinfo.NodeInfo;
  28 
  29 /**
  30  * Base class of all nodes that are fixed within the control flow graph and have an immediate
  31  * successor.
  32  */
  33 @NodeInfo
  34 public abstract class FixedWithNextNode extends FixedNode {
  35     public static final NodeClass<FixedWithNextNode> TYPE = NodeClass.create(FixedWithNextNode.class);
  36 
  37     @Successor protected FixedNode next;
  38 
  39     public FixedNode next() {
  40         return next;
  41     }
  42 
  43     public void setNext(FixedNode x) {
  44         updatePredecessor(next, x);
  45         next = x;
  46     }
  47 
  48     public FixedWithNextNode(NodeClass<? extends FixedWithNextNode> c, Stamp stamp) {
  49         super(c, stamp);
  50     }
  51 
  52     @Override
  53     public FixedWithNextNode asNode() {
  54         return this;
  55     }
  56 }